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The 2019 season’s official transaction log: 3,559 trades, signings and releases involving major-league clubs, listed newest first with MLB’s own description of each move.
| Date | Type | Player | From | To | Details |
|---|---|---|---|---|---|
| Dec 31, 2019 | Signed as free agent | Homer Bailey | — | Minnesota Twins | Minnesota Twins signed free agent RHP Homer Bailey. |
| Dec 31, 2019 | Signed as free agent | Rich Hill | — | Minnesota Twins | Minnesota Twins signed free agent LHP Rich Hill. |
| Dec 31, 2019 | Signed as free agent | Michael De La Cruz | — | Arizona Diamondbacks | Arizona Diamondbacks signed free agent C Michael De La Cruz to a minor league contract. |
| Dec 30, 2019 | Signed as free agent | Travis Shaw | — | Toronto Blue Jays | Toronto Blue Jays signed free agent 3B Travis Shaw. |
| Dec 30, 2019 | Signed as free agent | Dallas Keuchel | — | Chicago White Sox | Chicago White Sox signed free agent LHP Dallas Keuchel. |
| Dec 30, 2019 | Signed as free agent | Kole Calhoun | — | Arizona Diamondbacks | Arizona Diamondbacks signed free agent RF Kole Calhoun. |
| Dec 30, 2019 | Signed as free agent | Tyler Thornburg | — | Cincinnati Reds | Cincinnati Reds signed free agent RHP Tyler Thornburg to a minor league contract and invited him to spring training. |
| Dec 29, 2019 | Signed as free agent | César Hernández | — | Cleveland Guardians | Cleveland Indians signed free agent 2B Cesar Hernandez. |
| Dec 29, 2019 | Signed as free agent | Kohl Stewart | — | Baltimore Orioles | Baltimore Orioles signed free agent RHP Kohl Stewart. |
| Dec 28, 2019 | Signed as free agent | Shun Yamaguchi | — | Toronto Blue Jays | Toronto Blue Jays signed free agent RHP Shun Yamaguchi. |
| Dec 28, 2019 | Signed as free agent | Wilian Bormie | — | Texas Rangers | Texas Rangers signed free agent RHP Wilfredo Bormie to a minor league contract. |
| Dec 27, 2019 | Signed as free agent | Hyun Jin Ryu | — | Toronto Blue Jays | Toronto Blue Jays signed free agent LHP Hyun Jin Ryu. |
| Dec 27, 2019 | Signed as free agent | Maikel Franco | — | Kansas City Royals | Kansas City Royals signed free agent 3B Maikel Franco. |
| Dec 27, 2019 | Released | JT Chargois | — | Los Angeles Dodgers | Los Angeles Dodgers released RHP JT Chargois. |
| Dec 27, 2019 | Signed as free agent | Jerad Eickhoff | — | San Diego Padres | San Diego Padres signed free agent RHP Jerad Eickhoff to a minor league contract and invited him to spring training. |
| Dec 27, 2019 | Signed as free agent | Hyun Jin Ryu | — | Toronto Blue Jays | Toronto Blue Jays signed free agent P Hyun Jin Ryu. |
| Dec 27, 2019 | Signed as free agent | Hyun Jin Ryu | — | Toronto Blue Jays | Toronto Blue Jays signed free agent P Hyun Jin Ryu. |
| Dec 26, 2019 | Signed as free agent | Dante Bichette Jr. | — | Washington Nationals | Washington Nationals signed free agent 3B Dante Bichette to a minor league contract. |
| Dec 24, 2019 | Signed as free agent | Dellin Betances | — | New York Mets | New York Mets signed free agent RHP Dellin Betances. |
| Dec 24, 2019 | Signed as free agent | Carlos Bustamante | — | Philadelphia Phillies | Philadelphia Phillies signed free agent RHP Carlos Bustamante to a minor league contract. |
| Dec 23, 2019 | Signed as free agent | Pierce Johnson | — | San Diego Padres | San Diego Padres signed free agent RHP Pierce Johnson. |
| Dec 23, 2019 | Trade | Cristian Perez | Kansas City Royals | New York Yankees | New York Yankees traded RHP Chance Adams to Kansas City Royals for SS Cristian Perez. |
| Dec 23, 2019 | Signed as free agent | Martín Maldonado | — | Houston Astros | Houston Astros signed free agent C Martin Maldonado. |
| Dec 23, 2019 | Signed as free agent | Jacob Barnes | — | Los Angeles Angels | Los Angeles Angels signed free agent RHP Jacob Barnes to a minor league contract and invited him to spring training. |
| Dec 23, 2019 | Signed as free agent | Elliot Soto | — | Los Angeles Angels | Los Angeles Angels signed free agent SS Elliot Soto to a minor league contract and invited him to spring training. |
| Dec 23, 2019 | Signed as free agent | Chris Owings | — | Colorado Rockies | Colorado Rockies signed free agent SS Chris Owings to a minor league contract and invited him to spring training. |
| Dec 22, 2019 | Signed as free agent | Neil Ramírez | — | Los Angeles Angels | Los Angeles Angels signed free agent RHP Neil Ramirez to a minor league contract and invited him to spring training. |
| Dec 21, 2019 | Trade | Adolis García | St. Louis Cardinals | Texas Rangers | St. Louis Cardinals traded RF Adolis Garcia to Texas Rangers for cash. |
| Dec 21, 2019 | Signed as free agent | Jonathan Schoop | — | Detroit Tigers | Detroit Tigers signed free agent 2B Jonathan Schoop. |
| Dec 21, 2019 | Signed as free agent | C.J. Cron | — | Detroit Tigers | Detroit Tigers signed free agent 1B C.J. Cron. |
| Dec 21, 2019 | Signed as free agent | Julio Teheran | — | Los Angeles Angels | Los Angeles Angels signed free agent RHP Julio Teheran. |
| Dec 21, 2019 | Signed as free agent | Boog Powell | — | Cincinnati Reds | Cincinnati Reds signed free agent OF Boog Powell to a minor league contract and invited him to spring training. |
| Dec 21, 2019 | Signed as free agent | Ryne Birk | — | Los Angeles Angels | Los Angeles Angels signed free agent 2B Ryne Birk to a minor league contract. |
| Dec 20, 2019 | Signed as free agent | Yimi García | — | Miami Marlins | Miami Marlins signed free agent RHP Yimi Garcia. |
| Dec 20, 2019 | Signed as free agent | Phil Gosselin | — | Philadelphia Phillies | Philadelphia Phillies signed free agent SS Phil Gosselin to a minor league contract and invited him to spring training. |
| Dec 20, 2019 | Signed as free agent | Josh Harrison | — | Philadelphia Phillies | Philadelphia Phillies signed free agent 2B Josh Harrison to a minor league contract and invited him to spring training. |
| Dec 20, 2019 | Signed as free agent | Mikie Mahtook | — | Philadelphia Phillies | Philadelphia Phillies signed free agent CF Mikie Mahtook to a minor league contract and invited him to spring training. |
| Dec 20, 2019 | Signed as free agent | Matt Szczur | — | Philadelphia Phillies | Philadelphia Phillies signed free agent CF Matt Szczur to a minor league contract and invited him to spring training. |
| Dec 20, 2019 | Signed as free agent | Sergio Romo | — | Minnesota Twins | Minnesota Twins signed free agent RHP Sergio Romo. |
| Dec 20, 2019 | Signed as free agent | Robinson Leyer | — | Boston Red Sox | Boston Red Sox signed free agent RHP Robinson Leyer to a minor league contract and invited him to spring training. |
| Dec 20, 2019 | Signed as free agent | Tyler Clippard | — | Minnesota Twins | Minnesota Twins signed free agent RHP Tyler Clippard. |
| Dec 20, 2019 | Signed as free agent | Jett Bandy | — | Boston Red Sox | Boston Red Sox signed free agent C Jett Bandy to a minor league contract and invited him to spring training. |
| Dec 20, 2019 | Signed as free agent | John Andreoli | — | Boston Red Sox | Boston Red Sox signed free agent OF John Andreoli to a minor league contract and invited him to spring training. |
| Dec 20, 2019 | Signed as free agent | Nick Longhi | — | Boston Red Sox | Boston Red Sox signed free agent LF Nick Longhi to a minor league contract and invited him to spring training. |
| Dec 20, 2019 | Signed as free agent | Mike Kickham | — | Boston Red Sox | Boston Red Sox signed free agent LHP Mike Kickham to a minor league contract and invited him to spring training. |
| Dec 20, 2019 | Signed as free agent | R.J. Alvarez | — | Boston Red Sox | Boston Red Sox signed free agent RHP R.J. Alvarez to a minor league contract and invited him to spring training. |
| Dec 20, 2019 | Signed as free agent | Ryan Tepera | — | Chicago Cubs | Chicago Cubs signed free agent Ryan Tepera. |
| Dec 20, 2019 | Signed as free agent | Justin Smoak | — | Milwaukee Brewers | Milwaukee Brewers signed free agent 1B Justin Smoak. |
| Dec 20, 2019 | Signed as free agent | Gio Gonzalez | — | Chicago White Sox | Chicago White Sox signed free agent LHP Gio Gonzalez. |
| Dec 20, 2019 | Signed as free agent | Caleb Frare | — | Chicago White Sox | Chicago White Sox signed free agent LHP Caleb Frare to a minor league contract and invited him to spring training. |
| Dec 20, 2019 | Signed as free agent | Noel Cuevas | — | Chicago Cubs | Chicago Cubs signed free agent LF Noel Cuevas to a minor league contract and invited him to spring training. |
| Dec 20, 2019 | Signed as free agent | Jonathan Cruz | — | Milwaukee Brewers | Milwaukee Brewers signed free agent RHP Jonathan Cruz to a minor league contract. |
| Dec 20, 2019 | Signed as free agent | Ken Salas | — | San Francisco Giants | San Francisco Giants signed free agent RHP Ken Salas to a minor league contract. |
| Dec 20, 2019 | Signed as free agent | Pedro Rivas | — | Milwaukee Brewers | Milwaukee Brewers signed free agent RHP Pedro Rivas to a minor league contract. |
| Dec 20, 2019 | Signed as free agent | Kaleb Cowart | — | New York Yankees | New York Yankees signed free agent 3B Kaleb Cowart to a minor league contract. |
| Dec 19, 2019 | Signed as free agent | Martín Pérez | — | Boston Red Sox | Boston Red Sox signed free agent LHP Martin Perez. |
| Dec 19, 2019 | Signed as free agent | Drew Maggi | — | Minnesota Twins | Minnesota Twins signed free agent 3B Drew Maggi to a minor league contract. |
| Dec 19, 2019 | Signed as free agent | Danny Coulombe | — | Minnesota Twins | Minnesota Twins signed free agent LHP Danny Coulombe to a minor league contract and invited him to spring training. |
| Dec 19, 2019 | Signed as free agent | Caleb Thielbar | — | Minnesota Twins | Minnesota Twins signed free agent LHP Caleb Thielbar to a minor league contract and invited him to spring training. |
| Dec 19, 2019 | Signed as free agent | Cody Asche | — | Minnesota Twins | Minnesota Twins signed free agent 3B Cody Asche to a minor league contract. |
| Dec 19, 2019 | Signed as free agent | Jack Reinheimer | — | Minnesota Twins | Minnesota Twins signed free agent SS Jack Reinheimer to a minor league contract and invited him to spring training. |
| Dec 19, 2019 | Signed as free agent | Wilfredo Tovar | — | Minnesota Twins | Minnesota Twins signed free agent SS Wilfredo Tovar to a minor league contract and invited him to spring training. |
| Dec 19, 2019 | Signed as free agent | Edinson Volquez | — | Texas Rangers | Texas Rangers signed free agent RHP Edinson Volquez to a minor league contract and invited him to spring training. |
| Dec 19, 2019 | Signed as free agent | Tim Federowicz | — | Texas Rangers | Texas Rangers signed free agent C Tim Federowicz to a minor league contract and invited him to spring training. |
| Dec 19, 2019 | Signed as free agent | Ian Gibaut | — | Texas Rangers | Texas Rangers signed free agent RHP Ian Gibaut to a minor league contract and invited him to spring training. |
| Dec 19, 2019 | Signed as free agent | Zack Godley | — | Detroit Tigers | Detroit Tigers signed free agent RHP Zack Godley to a minor league contract and invited him to spring training. |
| Dec 19, 2019 | Signed as free agent | Jimmy Yacabonis | — | San Diego Padres | San Diego Padres signed free agent RHP Jimmy Yacabonis to a minor league contract and invited him to spring training. |
| Dec 19, 2019 | Signed as free agent | Anthony García | — | Los Angeles Dodgers | Los Angeles Dodgers signed free agent RF Anthony Garcia to a minor league contract and invited him to spring training. |
| Dec 19, 2019 | Signed as free agent | Hernán Pérez | — | Chicago Cubs | Chicago Cubs signed free agent 2B Hernan Perez to a minor league contract and invited him to spring training. |
| Dec 19, 2019 | Signed as free agent | Jecksson Flores | — | Washington Nationals | Washington Nationals signed free agent SS Jecksson Flores to a minor league contract. |
| Dec 19, 2019 | Signed as free agent | Juan Gámez | — | Chicago Cubs | Chicago Cubs signed free agent RHP Juan Gamez to a minor league contract. |
| Dec 19, 2019 | Signed as free agent | Jalkin Rijo | — | Texas Rangers | Texas Rangers signed free agent RHP Jalkin Rijo to a minor league contract. |
| Dec 19, 2019 | Signed as free agent | Jhulio Martinez | — | Texas Rangers | Texas Rangers signed free agent RHP Jhulio Martinez to a minor league contract. |
| Dec 19, 2019 | Signed as free agent | Yerlin Rodriguez | — | Milwaukee Brewers | Milwaukee Brewers signed free agent RHP Yerlin Rodriguez to a minor league contract. |
| Dec 19, 2019 | Signed as free agent | Wilker Palma | — | Texas Rangers | Texas Rangers signed free agent RHP Wilker Palma to a minor league contract. |
| Dec 19, 2019 | Signed as free agent | Henry Montilla | — | Texas Rangers | Texas Rangers signed free agent RHP Henry Montilla to a minor league contract. |
| Dec 19, 2019 | Signed as free agent | Jesus Valdez | — | Texas Rangers | Texas Rangers signed free agent RHP Jesus Valdez to a minor league contract. |
| Dec 19, 2019 | Signed as free agent | Anyelo Gómez | — | Colorado Rockies | Colorado Rockies signed free agent RHP Anyelo Gomez to a minor league contract. |
| Dec 19, 2019 | Signed as free agent | Elvis Escobar | — | New York Yankees | New York Yankees signed free agent LHP Elvis Escobar to a minor league contract. |
| Dec 19, 2019 | Signed as free agent | Samir Dueñez | — | Chicago White Sox | Chicago White Sox signed free agent 1B Samir Duenez to a minor league contract. |
| Dec 19, 2019 | Signed as free agent | Ryan Scott | — | Seattle Mariners | Seattle Mariners signed free agent C Ryan Scott to a minor league contract. |
| Dec 19, 2019 | Signed as free agent | John Mazza | — | New York Yankees | New York Yankees signed free agent C John Mazza to a minor league contract. |
| Dec 18, 2019 | Signed as free agent | Mario Sanchez | — | Washington Nationals | Washington Nationals signed free agent RHP Mario Sanchez to a minor league contract. |
| Dec 18, 2019 | Signed as free agent | Gerrit Cole | — | New York Yankees | New York Yankees signed free agent RHP Gerrit Cole. |
| Dec 18, 2019 | Signed as free agent | Tanner Roark | — | Toronto Blue Jays | Toronto Blue Jays signed free agent RHP Tanner Roark. |
| Dec 18, 2019 | Signed as free agent | Wade Miley | — | Cincinnati Reds | Cincinnati Reds signed free agent LHP Wade Miley. |
| Dec 18, 2019 | Signed as free agent | Matt Kemp | — | Miami Marlins | Miami Marlins signed free agent LF Matt Kemp to a minor league contract and invited him to spring training. |
| Dec 18, 2019 | Signed as free agent | Ryan Lavarnway | — | Miami Marlins | Miami Marlins signed free agent C Ryan Lavarnway to a minor league contract and invited him to spring training. |
| Dec 18, 2019 | Signed as free agent | Brian Navarreto | — | Miami Marlins | Miami Marlins signed free agent C Brian Navarreto to a minor league contract and invited him to spring training. |
| Dec 18, 2019 | Signed as free agent | Gosuke Katoh | — | Miami Marlins | Miami Marlins signed free agent 2B Gosuke Katoh to a minor league contract and invited him to spring training. |
| Dec 18, 2019 | Signed as free agent | Christian Lopes | — | Miami Marlins | Miami Marlins signed free agent 2B Christian Lopes to a minor league contract and invited him to spring training. |
| Dec 18, 2019 | Signed as free agent | Aaron Northcraft | — | Miami Marlins | Miami Marlins signed free agent RHP Aaron Northcraft to a minor league contract and invited him to spring training. |
| Dec 18, 2019 | Signed as free agent | Josh A. Smith | — | Miami Marlins | Miami Marlins signed free agent RHP Josh A. Smith to a minor league contract and invited him to spring training. |
| Dec 18, 2019 | Signed as free agent | Frailyn Abreu | — | Baltimore Orioles | Baltimore Orioles signed free agent 3B Frailyn Abreu to a minor league contract. |
| Dec 18, 2019 | Signed as free agent | Luis Jimenez | — | Arizona Diamondbacks | Arizona Diamondbacks signed free agent 3B Luis Jimenez to a minor league contract. |
| Dec 18, 2019 | Signed as free agent | Jake Thompson | — | Los Angeles Angels | Los Angeles Angels signed free agent RHP Jake Thompson to a minor league contract and invited him to spring training. |
| Dec 18, 2019 | Signed as free agent | Rex Brothers | — | Chicago Cubs | Chicago Cubs signed free agent LHP Rex Brothers to a minor league contract and invited him to spring training. |
| Dec 18, 2019 | Signed as free agent | Drew Butera | — | Colorado Rockies | Colorado Rockies signed free agent C Drew Butera to a minor league contract and invited him to spring training. |
| Dec 18, 2019 | Signed as free agent | Alvaro Marte | — | Texas Rangers | Texas Rangers signed free agent RHP Alvaro Marte to a minor league contract. |
| Dec 18, 2019 | Signed as free agent | Victor De Leon | — | Boston Red Sox | Boston Red Sox signed free agent RHP Victor De Leon to a minor league contract. |
| Dec 18, 2019 | Signed as free agent | Arnold Silverio | — | Texas Rangers | Texas Rangers signed free agent RHP Arnold Silverio to a minor league contract. |
| Dec 18, 2019 | Signed as free agent | Jordan Mills | — | Washington Nationals | Washington Nationals signed free agent LHP Jordan Mills to a minor league contract. |
| Dec 18, 2019 | Signed as free agent | Johan Quezada | — | Miami Marlins | Miami Marlins signed free agent RHP Johan Quezada to a minor league contract. |
| Dec 18, 2019 | Signed as free agent | Adam Warren | — | New York Yankees | New York Yankees signed free agent RHP Adam Warren to a minor league contract. |
| Dec 18, 2019 | Signed as free agent | Nick Garland | — | Minnesota Twins | Minnesota Twins signed free agent C Nick Garland to a minor league contract. |
| Dec 18, 2019 | Signed as free agent | Gerrit Cole | — | New York Yankees | New York Yankees signed free agent P Gerrit Cole. |
| Dec 18, 2019 | Signed as free agent | Gerrit Cole | — | New York Yankees | New York Yankees signed free agent RHP Gerrit Cole. |
| Dec 17, 2019 | Signed as free agent | Kwang Hyun Kim | — | St. Louis Cardinals | St. Louis Cardinals signed free agent LHP Kwang Hyun Kim. |
| Dec 17, 2019 | Signed as free agent | Avisaíl García | — | Milwaukee Brewers | Milwaukee Brewers signed free agent RF Avisail Garcia. |
| Dec 17, 2019 | Signed as free agent | Humberto Arteaga | — | Kansas City Royals | Kansas City Royals signed free agent 3B Humberto Arteaga to a minor league contract and invited him to spring training. |
| Dec 17, 2019 | Signed as free agent | Erick Mejia | — | Kansas City Royals | Kansas City Royals signed free agent 2B Erick Mejia to a minor league contract. |
| Dec 17, 2019 | Signed as free agent | Madison Bumgarner | — | Arizona Diamondbacks | Arizona Diamondbacks signed free agent LHP Madison Bumgarner. |
| Dec 17, 2019 | Signed as free agent | Phillip Evans | — | Pittsburgh Pirates | Pittsburgh Pirates signed free agent 3B Phillip Evans to a minor league contract and invited him to spring training. |
| Dec 17, 2019 | Signed as free agent | Hector Noesí | — | Pittsburgh Pirates | Pittsburgh Pirates signed free agent RHP Hector Noesi to a minor league contract and invited him to spring training. |
| Dec 17, 2019 | Signed as free agent | Miguel Del Pozo | — | Pittsburgh Pirates | Pittsburgh Pirates signed free agent LHP Miguel Del Pozo to a minor league contract and invited him to spring training. |
| Dec 17, 2019 | Signed as free agent | Sócrates Brito | — | Pittsburgh Pirates | Pittsburgh Pirates signed free agent RF Socrates Brito to a minor league contract and invited him to spring training. |
| Dec 17, 2019 | Signed as free agent | Ryon Healy | — | Milwaukee Brewers | Milwaukee Brewers signed free agent Ryon Healy. |
| Dec 17, 2019 | Signed as free agent | Jace Peterson | — | Milwaukee Brewers | Milwaukee Brewers signed free agent 3B Jace Peterson to a minor league contract and invited him to spring training. |
| Dec 17, 2019 | Signed as free agent | Shao-Ching Chiang | — | Detroit Tigers | Detroit Tigers signed free agent RHP Shao-Ching Chiang to a minor league contract. |
| Dec 17, 2019 | Signed as free agent | Kyle Barraclough | — | San Diego Padres | San Diego Padres signed free agent RHP Kyle Barraclough to a minor league contract and invited him to spring training. |
| Dec 17, 2019 | Signed as free agent | Alexander Guillen | — | Colorado Rockies | Colorado Rockies signed free agent RHP Alexander Guillen to a minor league contract and invited him to spring training. |
| Dec 17, 2019 | Signed as free agent | Peter Tago | — | New York Mets | New York Mets signed free agent RHP Peter Tago to a minor league contract. |
| Dec 17, 2019 | Signed as free agent | Moises Rivas | — | Texas Rangers | Texas Rangers signed free agent RHP Moises Rivas to a minor league contract. |
| Dec 17, 2019 | Signed as free agent | Jose Ciprian | — | Detroit Tigers | Detroit Tigers signed free agent OF Jose Ciprian to a minor league contract. |
| Dec 17, 2019 | Signed as free agent | Rony Reyes | — | Texas Rangers | Texas Rangers signed free agent CF Rony Reyes to a minor league contract. |
| Dec 17, 2019 | Signed as free agent | Raymher Moreno | — | Texas Rangers | Texas Rangers signed free agent RHP Raymher Moreno to a minor league contract. |
| Dec 17, 2019 | Signed as free agent | Wendolyn Bautista | — | San Francisco Giants | San Francisco Giants signed free agent RHP Wendolyn Bautista to a minor league contract. |
| Dec 17, 2019 | Signed as free agent | Ray-Patrick Didder | — | San Diego Padres | San Diego Padres signed free agent OF Ray-Patrick Didder to a minor league contract. |
| Dec 17, 2019 | Signed as free agent | Avisaíl García | — | Milwaukee Brewers | Milwaukee Brewers signed free agent RF Avisail Garcia. |
| Dec 17, 2019 | Signed as free agent | Avisaíl García | — | Milwaukee Brewers | Milwaukee Brewers signed free agent RF Avisail Garcia. |
| Dec 16, 2019 | Signed as free agent | Josh Lindblom | — | Milwaukee Brewers | Milwaukee Brewers signed free agent RHP Josh Lindblom. |
| Dec 16, 2019 | Signed as free agent | Rick Porcello | — | New York Mets | New York Mets signed free agent RHP Rick Porcello. |
| Dec 16, 2019 | Signed as free agent | Joely Rodríguez | — | Texas Rangers | Texas Rangers signed free agent LHP Joely Rodriguez. |
| Dec 16, 2019 | Signed as free agent | Tim Dillard | — | Texas Rangers | Texas Rangers signed free agent RHP Tim Dillard to a minor league contract and invited him to spring training. |
| Dec 16, 2019 | Signed as free agent | Brian Flynn | — | Texas Rangers | Texas Rangers signed free agent LHP Brian Flynn to a minor league contract and invited him to spring training. |
| Dec 16, 2019 | Signed as free agent | Arturo Reyes | — | Texas Rangers | Texas Rangers signed free agent RHP Arturo Reyes to a minor league contract and invited him to spring training. |
| Dec 16, 2019 | Signed as free agent | Blake Swihart | — | Texas Rangers | Texas Rangers signed free agent C Blake Swihart to a minor league contract and invited him to spring training. |
| Dec 16, 2019 | Signed as free agent | Matt Bush | — | Texas Rangers | Texas Rangers signed free agent RHP Matt Bush to a minor league contract. |
| Dec 16, 2019 | Signed as free agent | Yoshi Tsutsugo | — | Tampa Bay Rays | Tampa Bay Rays signed free agent LF Yoshi Tsutsugo. |
| Dec 16, 2019 | Signed as free agent | Joe Smith | — | Houston Astros | Houston Astros signed free agent RHP Joe Smith. |
| Dec 16, 2019 | Signed as free agent | Luke Maile | — | Pittsburgh Pirates | Pittsburgh Pirates signed free agent C Luke Maile. |
| Dec 16, 2019 | Signed as free agent | David Carpenter | — | Cincinnati Reds | Cincinnati Reds signed free agent RHP David Carpenter to a minor league contract and invited him to spring training. |
| Dec 16, 2019 | Signed as free agent | Peter O'Brien | — | Atlanta Braves | Atlanta Braves signed free agent RF Peter O'Brien to a minor league contract. |
| Dec 16, 2019 | Signed as free agent | Ryan Burr | — | Chicago White Sox | Chicago White Sox signed free agent RHP Ryan Burr to a minor league contract and invited him to spring training. |
| Dec 16, 2019 | Signed as free agent | Nicky Delmonico | — | Chicago White Sox | Chicago White Sox signed free agent LF Nicky Delmonico to a minor league contract and invited him to spring training. |
| Dec 16, 2019 | Signed as free agent | Danny Hultzen | — | Chicago Cubs | Chicago Cubs signed free agent LHP Danny Hultzen to a minor league contract and invited him to spring training. |
| Dec 16, 2019 | Signed as free agent | Mike Gerber | — | Colorado Rockies | Colorado Rockies signed free agent CF Mike Gerber to a minor league contract and invited him to spring training. |
| Dec 16, 2019 | Signed as free agent | Reyson Santos | — | Pittsburgh Pirates | Pittsburgh Pirates signed free agent RHP Reyson Santos to a minor league contract. |
| Dec 16, 2019 | Signed as free agent | Yon Landaeta | — | Minnesota Twins | Minnesota Twins signed free agent RHP Yon Landaeta to a minor league contract. |
| Dec 16, 2019 | Signed as free agent | Israel Lopez | — | Texas Rangers | Texas Rangers signed free agent C Israel Lopez to a minor league contract. |
| Dec 16, 2019 | Signed as free agent | Yoshi Tsutsugo | — | Tampa Bay Rays | Tampa Bay Rays signed free agent LF Yoshi Tsutsugo. |
| Dec 16, 2019 | Signed as free agent | Yoshi Tsutsugo | — | Tampa Bay Rays | Tampa Bay Rays signed free agent LF Yoshi Tsutsugo. |
| Dec 16, 2019 | Signed as free agent | Yoshi Tsutsugo | — | Tampa Bay Rays | Tampa Bay Rays signed free agent LF Yoshi Tsutsugo. |
| Dec 15, 2019 | Trade | Corey Kluber | Cleveland Guardians | Texas Rangers | Cleveland Indians traded RHP Corey Kluber and cash to Texas Rangers for RHP Emmanuel Clase and CF Delino DeShields. |
| Dec 15, 2019 | Signed as free agent | Blake Treinen | — | Los Angeles Dodgers | Los Angeles Dodgers signed free agent RHP Blake Treinen. |
| Dec 15, 2019 | Signed as free agent | Caleb Simpson | — | Chicago Cubs | Chicago Cubs signed free agent RHP Caleb Simpson to a minor league contract and invited him to spring training. |
| Dec 15, 2019 | Signed as free agent | Bryan Brickhouse | — | Chicago Cubs | Chicago Cubs signed free agent RHP Bryan Brickhouse to a minor league contract. |
| Dec 14, 2019 | Signed as free agent | Brandon Morrow | — | Chicago Cubs | Chicago Cubs signed free agent RHP Brandon Morrow to a minor league contract and invited him to spring training. |
| Dec 14, 2019 | Signed as free agent | Ben Taylor | — | Chicago Cubs | Chicago Cubs signed free agent RHP Ben Taylor to a minor league contract and invited him to spring training. |
| Dec 14, 2019 | Signed as free agent | Ian Miller | — | Chicago Cubs | Chicago Cubs signed free agent CF Ian Miller to a minor league contract and invited him to spring training. |
| Dec 14, 2019 | Signed as free agent | Rosmel Reyes | — | Milwaukee Brewers | Milwaukee Brewers signed free agent RHP Rosmel Reyes to a minor league contract. |
| Dec 14, 2019 | Signed as free agent | Justin O'Conner | — | New York Yankees | New York Yankees signed free agent RHP Justin O'Conner to a minor league contract. |
| Dec 13, 2019 | Signed as free agent | Michael Wacha | — | New York Mets | New York Mets signed free agent RHP Michael Wacha. |
| Dec 13, 2019 | Signed as free agent | José Peraza | — | Boston Red Sox | Boston Red Sox signed free agent Jose Peraza. |
| Dec 13, 2019 | Signed as free agent | Didi Gregorius | — | Philadelphia Phillies | Philadelphia Phillies signed free agent SS Didi Gregorius. |
| Dec 13, 2019 | Signed as free agent | Austin Romine | — | Detroit Tigers | Detroit Tigers signed free agent C Austin Romine. |
| Dec 13, 2019 | Signed as free agent | Jesse Hahn | — | Kansas City Royals | Kansas City Royals signed free agent RHP Jesse Hahn. |
| Dec 13, 2019 | Signed as free agent | Anthony Rendon | — | Los Angeles Angels | Los Angeles Angels signed free agent 3B Anthony Rendon. |
| Dec 13, 2019 | Signed as free agent | Jordan Lyles | — | Texas Rangers | Texas Rangers signed free agent RHP Jordan Lyles. |
| Dec 13, 2019 | Signed as free agent | Jeffrey Springs | — | Texas Rangers | Texas Rangers signed free agent LHP Jeffrey Springs. |
| Dec 13, 2019 | Signed as free agent | Brett Anderson | — | Milwaukee Brewers | Milwaukee Brewers signed free agent LHP Brett Anderson. |
| Dec 13, 2019 | Signed as free agent | Chase Johnson | — | San Diego Padres | San Diego Padres signed free agent RHP Chase Johnson to a minor league contract and invited him to spring training. |
| Dec 13, 2019 | Signed as free agent | Charlie Culberson | — | Atlanta Braves | Atlanta Braves signed free agent LF Charlie Culberson to a minor league contract. |
| Dec 13, 2019 | Signed as free agent | Starlin Santos | — | Boston Red Sox | Boston Red Sox signed free agent LHP Starlin Santos to a minor league contract. |
| Dec 13, 2019 | Signed as free agent | T.J. Rivera | — | Philadelphia Phillies | Philadelphia Phillies signed free agent 3B T.J. Rivera to a minor league contract. |
| Dec 13, 2019 | Signed as free agent | Mitch Nay | — | Seattle Mariners | Seattle Mariners signed free agent 3B Mitch Nay to a minor league contract. |
| Dec 13, 2019 | Signed as free agent | Eliezer Gonzalez | — | Detroit Tigers | Detroit Tigers signed free agent RHP Eliezer Gonzalez to a minor league contract. |
| Dec 13, 2019 | Signed as free agent | Miguel Mora | — | San Francisco Giants | San Francisco Giants signed free agent RHP Miguel Mora to a minor league contract. |
| Dec 13, 2019 | Signed as free agent | Francisco Garcia | — | Colorado Rockies | Colorado Rockies signed free agent 3B Francisco Garcia to a minor league contract. |
| Dec 13, 2019 | Signed as free agent | Victor Farias | — | Washington Nationals | Washington Nationals signed free agent RHP Victor Farias to a minor league contract. |
| Dec 13, 2019 | Signed as free agent | Justin Luna | — | Los Angeles Dodgers | Los Angeles Dodgers signed free agent RHP Justin Luna to a minor league contract. |
| Dec 13, 2019 | Signed as free agent | Kelly Reyes | — | Arizona Diamondbacks | Arizona Diamondbacks signed free agent RHP Kelly Reyes to a minor league contract. |
| Dec 13, 2019 | Signed as free agent | Luis Osorio | — | Arizona Diamondbacks | Arizona Diamondbacks signed free agent RHP Luis Osorio to a minor league contract. |
| Dec 13, 2019 | Signed as free agent | Adrian Soto | — | Washington Nationals | Washington Nationals signed free agent RHP Adrian Soto to a minor league contract. |
| Dec 13, 2019 | Signed as free agent | Juan Abreu | — | Washington Nationals | Washington Nationals signed free agent RHP Juan Abreu to a minor league contract. |
| Dec 13, 2019 | Signed as free agent | Jordan Lyles | — | Texas Rangers | Texas Rangers signed free agent P Jordan Lyles. |
| Dec 13, 2019 | Signed as free agent | Jordan Lyles | — | Texas Rangers | Texas Rangers signed free agent P Jordan Lyles. |
| Dec 12, 2019 | Trade | Vimael Machín | Philadelphia Phillies | Athletics | Philadelphia Phillies traded 2B Vimael Machin to Oakland Athletics for cash. |
| Dec 12, 2019 | Trade | Garrett Williams | San Francisco Giants | Los Angeles Angels | San Francisco Giants traded LHP Garrett Williams to Los Angeles Angels. |
| Dec 12, 2019 | Trade | Michael Reed | San Diego Padres | Athletics | San Diego Padres traded CF Buddy Reed to Oakland Athletics. |
| Dec 12, 2019 | Signed as free agent | Kyle Crockett | — | Arizona Diamondbacks | Arizona Diamondbacks signed free agent LHP Kyle Crockett to a minor league contract. |
| Dec 12, 2019 | Signed as free agent | Eduardo Jiménez | — | Arizona Diamondbacks | Arizona Diamondbacks signed free agent RHP Eduardo Jimenez to a minor league contract and invited him to spring training. |
| Dec 12, 2019 | Signed as free agent | Kyle Lobstein | — | Los Angeles Dodgers | Los Angeles Dodgers signed free agent LHP Kyle Lobstein to a minor league contract and invited him to spring training. |
| Dec 12, 2019 | Signed as free agent | Anderson Melendez | — | Detroit Tigers | Detroit Tigers signed free agent RHP Anderson Melendez to a minor league contract. |
| Dec 11, 2019 | Released | Chris Flexen | — | New York Mets | New York Mets released RHP Chris Flexen. |
| Dec 11, 2019 | Signed as free agent | Jhoxan Alfaro | — | New York Mets | New York Mets signed free agent RHP Jhoxan Alfaro to a minor league contract. |
| Dec 11, 2019 | Signed as free agent | Gabriel Bersing | — | New York Yankees | New York Yankees signed free agent C Gabriel Bersing to a minor league contract. |
| Dec 10, 2019 | Signed as free agent | Chris Lee | — | Milwaukee Brewers | Milwaukee Brewers signed free agent LHP Chris Lee to a minor league contract. |
| Dec 10, 2019 | Signed as free agent | Yan Gomes | — | Washington Nationals | Washington Nationals signed free agent C Yan Gomes. |
| Dec 10, 2019 | Signed as free agent | Howie Kendrick | — | Washington Nationals | Washington Nationals signed free agent 2B Howie Kendrick. |
| Dec 10, 2019 | Signed as free agent | Kevin Gausman | — | San Francisco Giants | San Francisco Giants signed free agent RHP Kevin Gausman. |
| Dec 10, 2019 | Trade | Zack Cozart | Los Angeles Angels | San Francisco Giants | Los Angeles Angels traded 3B Zack Cozart and SS Will Wilson to San Francisco Giants for Player To Be Named Later. |
| Dec 10, 2019 | Signed as free agent | Michael Pineda | — | Minnesota Twins | Minnesota Twins signed free agent RHP Michael Pineda. |
| Dec 10, 2019 | Signed as free agent | Alex Avila | — | Minnesota Twins | Minnesota Twins signed free agent C Alex Avila. |
| Dec 10, 2019 | Trade | Steele Walker | Chicago White Sox | Texas Rangers | Texas Rangers traded RF Nomar Mazara to Chicago White Sox for CF Steele Walker. |
| Dec 10, 2019 | Signed as free agent | Francisco Peña | — | Cincinnati Reds | Cincinnati Reds signed free agent C Francisco Pena to a minor league contract and invited him to spring training. |
| Dec 10, 2019 | Signed as free agent | Abraham Almonte | — | San Diego Padres | San Diego Padres signed free agent RF Abraham Almonte to a minor league contract and invited him to spring training. |
| Dec 10, 2019 | Signed as free agent | Euri Montero | — | Miami Marlins | Miami Marlins signed free agent RHP Euri Montero to a minor league contract. |
| Dec 10, 2019 | Signed as free agent | Braxton Martinez | — | Los Angeles Angels | Los Angeles Angels signed free agent 3B Braxton Martinez to a minor league contract. |
| Dec 9, 2019 | Signed as free agent | Zack Wheeler | — | Philadelphia Phillies | Philadelphia Phillies signed free agent RHP Zack Wheeler. |
| Dec 9, 2019 | Signed as free agent | Stephen Strasburg | — | Washington Nationals | Washington Nationals signed free agent RHP Stephen Strasburg. |
| Dec 9, 2019 | Signed as free agent | Junior Guerra | — | Arizona Diamondbacks | Arizona Diamondbacks signed free agent RHP Junior Guerra. |
| Dec 9, 2019 | Signed as free agent | Alex Claudio | — | Milwaukee Brewers | Milwaukee Brewers signed free agent LHP Alex Claudio. |
| Dec 9, 2019 | Signed as free agent | Keiter Perez | — | Chicago White Sox | Chicago White Sox signed free agent RHP Keiter Perez to a minor league contract. |
| Dec 9, 2019 | Signed as free agent | Brian Carrion | — | Chicago White Sox | Chicago White Sox signed free agent RHP Brian Carrion to a minor league contract. |
| Dec 9, 2019 | Signed as free agent | Gleiber Morales | — | Chicago Cubs | Chicago Cubs signed free agent RHP Gleiber Morales to a minor league contract. |
| Dec 9, 2019 | Signed as free agent | Alvaro Aguero | — | Chicago White Sox | Chicago White Sox signed free agent CF Alvaro Aguero to a minor league contract. |
| Dec 9, 2019 | Signed as free agent | Luis Freitez | — | Athletics | Oakland Athletics signed free agent OF Luis Freitez to a minor league contract. |
| Dec 9, 2019 | Signed as free agent | Zack Wheeler | — | Philadelphia Phillies | Philadelphia Phillies signed free agent P Zack Wheeler. |
| Dec 9, 2019 | Signed as free agent | Zack Wheeler | — | Philadelphia Phillies | Philadelphia Phillies signed free agent RHP Zack Wheeler, and. |
| Dec 8, 2019 | Signed as free agent | Kyle Finnegan | — | Washington Nationals | Washington Nationals signed free agent Kyle Finnegan. |
| Dec 7, 2019 | Signed as free agent | Keon Broxton | — | Milwaukee Brewers | Milwaukee Brewers signed free agent CF Keon Broxton to a minor league contract and invited him to spring training. |
| Dec 7, 2019 | Signed as free agent | Lewis Castillo | — | New York Mets | New York Mets signed free agent 2B Lewis Castillo to a minor league contract. |
| Dec 7, 2019 | Signed as free agent | Jesus Suarez | — | New York Mets | New York Mets signed free agent SS Jesus Suarez to a minor league contract. |
| Dec 7, 2019 | Signed as free agent | Oberto Arrieta | — | New York Mets | New York Mets signed free agent LHP Oberto Arrieta to a minor league contract. |
| Dec 6, 2019 | Signed as free agent | Beau Taylor | — | Cleveland Guardians | Cleveland Indians signed free agent C Beau Taylor to a minor league contract and invited him to spring training. |
| Dec 6, 2019 | Signed as free agent | Kyle Gibson | — | Texas Rangers | Texas Rangers signed free agent RHP Kyle Gibson. |
| Dec 6, 2019 | Signed as free agent | Brad Brach | — | New York Mets | New York Mets signed free agent RHP Brad Brach. |
| Dec 6, 2019 | Signed as free agent | Dan Winkler | — | Chicago Cubs | Chicago Cubs signed free agent RHP Dan Winkler. |
| Dec 6, 2019 | Trade | Tommy Pham | Tampa Bay Rays | San Diego Padres | Tampa Bay Rays traded LF Tommy Pham and SS Jake Cronenworth to San Diego Padres for LF Hunter Renfroe, SS Xavier Edwards and Player To Be Named Later. |
| Dec 6, 2019 | Signed as free agent | Jorge Bonifacio | — | Detroit Tigers | Detroit Tigers signed free agent OF Jorge Bonifacio to a minor league contract and invited him to spring training. |
| Dec 6, 2019 | Signed as free agent | Rob Kaminsky | — | St. Louis Cardinals | St. Louis Cardinals signed free agent LHP Rob Kaminsky to a minor league contract and invited him to spring training. |
| Dec 6, 2019 | Signed as free agent | Jan Pena | — | New York Yankees | New York Yankees signed free agent RHP Jan Pena to a minor league contract. |
| Dec 6, 2019 | Signed as free agent | Joel Mendez | — | New York Yankees | New York Yankees signed free agent LF Joel Mendez to a minor league contract. |
| Dec 6, 2019 | Signed as free agent | Daury Arias | — | New York Yankees | New York Yankees signed free agent CF Daury Arias to a minor league contract. |
| Dec 6, 2019 | Signed as free agent | Dylan Rheault | — | Cincinnati Reds | Cincinnati Reds signed free agent RHP Dylan Rheault to a minor league contract. |
| Dec 6, 2019 | Signed as free agent | Luis Aviles Jr. | — | Los Angeles Angels | Los Angeles Angels signed free agent SS Luis Aviles Jr. to a minor league contract. |
| Dec 6, 2019 | Signed as free agent | Joey Curletta | — | Los Angeles Angels | Los Angeles Angels signed free agent 1B Joey Curletta to a minor league contract. |
| Dec 6, 2019 | Signed as free agent | Kyle Gibson | — | Texas Rangers | Texas Rangers signed free agent P Kyle Gibson. |
| Dec 6, 2019 | Signed as free agent | Kyle Gibson | — | Texas Rangers | Texas Rangers signed free agent P Kyle Gibson. |
| Dec 6, 2019 | Trade | Jake Cronenworth | — | San Diego Padres | traded SS Jake Cronenworth, , , , and to San Diego Padres. |
| Dec 5, 2019 | Trade | Kenedy Corona | New York Mets | Houston Astros | Houston Astros traded CF Jake Marisnick to New York Mets for LHP Blake Taylor and OF Kenedy Corona. |
| Dec 5, 2019 | Signed as free agent | Mike Moustakas | — | Cincinnati Reds | Cincinnati Reds signed free agent 2B Mike Moustakas. |
| Dec 5, 2019 | Signed as free agent | Dilson Herrera | — | Baltimore Orioles | Baltimore Orioles signed free agent 2B Dilson Herrera to a minor league contract. |
| Dec 5, 2019 | Trade | Adam Hill | Milwaukee Brewers | Seattle Mariners | Seattle Mariners traded C Omar Narvaez to Milwaukee Brewers for RHP Adam Hill and Future Considerations. |
| Dec 5, 2019 | Signed as free agent | Jarrett Parker | — | New York Mets | New York Mets signed free agent LF Jarrett Parker to a minor league contract and invited him to spring training. |
| Dec 5, 2019 | Signed as free agent | Max Moroff | — | New York Mets | New York Mets signed free agent SS Max Moroff to a minor league contract and invited him to spring training. |
| Dec 5, 2019 | Signed as free agent | Wei-Chieh Huang | — | Texas Rangers | Texas Rangers signed free agent RHP Wei-Chieh Huang to a minor league contract and invited him to spring training. |
| Dec 5, 2019 | Signed as free agent | Rob Refsnyder | — | Texas Rangers | Texas Rangers signed free agent LF Rob Refsnyder to a minor league contract and invited him to spring training. |
| Dec 5, 2019 | Signed as free agent | Nick Ciuffo | — | Texas Rangers | Texas Rangers signed free agent C Nick Ciuffo to a minor league contract and invited him to spring training. |
| Dec 4, 2019 | Signed as free agent | Marco Hernández | — | Boston Red Sox | Boston Red Sox signed free agent 2B Marco Hernandez. |
| Dec 4, 2019 | Signed as free agent | Josh Osich | — | Boston Red Sox | Boston Red Sox signed free agent Josh Osich. |
| Dec 4, 2019 | Signed as free agent | James Hoyt | — | Cleveland Guardians | Cleveland Indians signed free agent James Hoyt. |
| Dec 4, 2019 | Signed as free agent | Cole Hamels | — | Atlanta Braves | Atlanta Braves signed free agent LHP Cole Hamels. |
| Dec 4, 2019 | Trade | Kyle Brnovich | Los Angeles Angels | Baltimore Orioles | Baltimore Orioles traded RHP Dylan Bundy to Los Angeles Angels for RHP Isaac Mattson, RHP Kyle Bradish, RHP Kyle Brnovich and RHP Zach Peek. |
| Dec 4, 2019 | Signed as free agent | Carl Edwards Jr. | — | Seattle Mariners | Seattle Mariners signed free agent RHP Carl Edwards Jr.. |
| Dec 4, 2019 | Signed as free agent | Justin Grimm | — | Milwaukee Brewers | Milwaukee Brewers signed free agent RHP Justin Grimm to a minor league contract and invited him to spring training. |
| Dec 4, 2019 | Signed as free agent | Rafael Ortega | — | Atlanta Braves | Atlanta Braves signed free agent LF Rafael Ortega to a minor league contract. |
| Dec 4, 2019 | Signed as free agent | Wes Parsons | — | Colorado Rockies | Colorado Rockies signed free agent RHP Wes Parsons to a minor league contract and invited him to spring training. |
| Dec 4, 2019 | Signed as free agent | Gabriel Tirado | — | Philadelphia Phillies | Philadelphia Phillies signed free agent OF Gabriel Tirado to a minor league contract. |
| Dec 4, 2019 | Signed as free agent | Luis Camilo | — | New York Mets | New York Mets signed free agent LHP Luis Camilo to a minor league contract. |
| Dec 3, 2019 | Signed as free agent | Jake Diekman | — | Athletics | Oakland Athletics signed free agent LHP Jake Diekman. |
| Dec 3, 2019 | Signed as free agent | Jordan Weems | — | Athletics | Oakland Athletics signed free agent RHP Jordan Weems to a minor league contract and invited him to spring training. |
| Dec 3, 2019 | Signed as free agent | Dillon Thomas | — | Athletics | Oakland Athletics signed free agent RF Dillon Thomas to a minor league contract and invited him to spring training. |
| Dec 3, 2019 | Signed as free agent | Tyler Anderson | — | San Francisco Giants | San Francisco Giants signed free agent LHP Tyler Anderson. |
| Dec 3, 2019 | Signed as free agent | Chasen Shreve | — | New York Mets | New York Mets signed free agent LHP Chasen Shreve to a minor league contract and invited him to spring training. |
| Dec 3, 2019 | Signed as free agent | Pedro Avila | — | San Diego Padres | San Diego Padres signed free agent RHP Pedro Avila to a minor league contract and invited him to spring training. |
| Dec 3, 2019 | Signed as free agent | Miguel Díaz | — | San Diego Padres | San Diego Padres signed free agent RHP Miguel Diaz to a minor league contract and invited him to spring training. |
| Dec 3, 2019 | Signed as free agent | Frank Hernandez | — | Chicago Cubs | Chicago Cubs signed free agent OF Frank Hernandez to a minor league contract. |
| Dec 3, 2019 | Signed as free agent | Jake Diekman | — | Athletics | Oakland Athletics signed free agent P Jake Diekman. |
| Dec 3, 2019 | Signed as free agent | Jake Diekman | — | Athletics | Oakland Athletics signed free agent P Jake Diekman. |
| Dec 2, 2019 | Trade | Sandy León | Boston Red Sox | Cleveland Guardians | Boston Red Sox traded C Sandy Leon to Cleveland Indians for RHP Adenys Bautista. |
| Dec 2, 2019 | Trade | Austin Allen | San Diego Padres | Athletics | San Diego Padres traded C Austin Allen and Player To Be Named Later to Oakland Athletics for OF Jurickson Profar. |
| Dec 2, 2019 | Released | Thyago Vieira | — | Chicago White Sox | Chicago White Sox released RHP Thyago Vieira. |
| Dec 2, 2019 | Trade | Easton Lucas | Miami Marlins | Baltimore Orioles | Baltimore Orioles traded OF Jonathan Villar to Miami Marlins for LHP Easton Lucas. |
| Dec 2, 2019 | Signed as free agent | Reymin Guduan | — | Los Angeles Dodgers | Los Angeles Dodgers signed free agent LHP Reymin Guduan to a minor league contract and invited him to spring training. |
| Dec 1, 2019 | Signed as free agent | Phillippe Aumont | — | Toronto Blue Jays | Toronto Blue Jays signed free agent RHP Phillippe Aumont to a minor league contract and invited him to spring training. |
| Dec 1, 2019 | Signed as free agent | Justin Miller | — | Toronto Blue Jays | Toronto Blue Jays signed free agent RHP Justin Miller to a minor league contract and invited him to spring training. |
| Dec 1, 2019 | Signed as free agent | Chih-Wei Hu | — | San Diego Padres | San Diego Padres signed free agent RHP Chih-Wei Hu to a minor league contract and invited him to spring training. |
| Nov 29, 2019 | Signed as free agent | Brandyn Sittinger | — | Arizona Diamondbacks | Arizona Diamondbacks signed free agent RHP Brandyn Sittinger to a minor league contract. |
| Nov 29, 2019 | Signed as free agent | Carlos Velasquez | — | Minnesota Twins | Minnesota Twins signed free agent RHP Carlos Velasquez to a minor league contract. |
| Nov 29, 2019 | Signed as free agent | Luis Blanco | — | Minnesota Twins | Minnesota Twins signed free agent RHP Luis Blanco to a minor league contract. |
| Nov 28, 2019 | Signed as free agent | Matt Skole | — | Chicago White Sox | Chicago White Sox signed free agent 1B Matt Skole to a minor league contract and invited him to spring training. |
| Nov 28, 2019 | Signed as free agent | Angel Santana | — | New York Mets | New York Mets signed free agent RHP Angel Santana to a minor league contract. |
| Nov 28, 2019 | Signed as free agent | Jansel Cuevas | — | Cleveland Guardians | Cleveland Indians signed free agent RHP Jansel Cuevas to a minor league contract. |
| Nov 28, 2019 | Signed as free agent | Jose Colon | — | Kansas City Royals | Kansas City Royals signed free agent RHP Jose Colon to a minor league contract. |
| Nov 28, 2019 | Signed as free agent | Eliezer Álvarez | — | Seattle Mariners | Seattle Mariners signed free agent OF Eliezer Alvarez to a minor league contract. |
| Nov 27, 2019 | Trade | Brian O'Grady | Cincinnati Reds | Tampa Bay Rays | Cincinnati Reds traded 1B Brian O'Grady to Tampa Bay Rays for cash and Player To Be Named Later. |
| Nov 27, 2019 | Trade | Eric Lauer | San Diego Padres | Milwaukee Brewers | San Diego Padres traded Player To Be Named Later, LHP Eric Lauer and 2B Luis Urias to Milwaukee Brewers for RF Trent Grisham and RHP Zach Davies. |
| Nov 27, 2019 | Signed as free agent | Patrick Wisdom | — | Seattle Mariners | Seattle Mariners signed free agent Patrick Wisdom. |
| Nov 27, 2019 | Signed as free agent | Drew Pomeranz | — | San Diego Padres | San Diego Padres signed free agent LHP Drew Pomeranz. |
| Nov 27, 2019 | Signed as free agent | José Mujica | — | Colorado Rockies | Colorado Rockies signed free agent Jose Mujica. |
| Nov 27, 2019 | Signed as free agent | Ross Detwiler | — | Chicago White Sox | Chicago White Sox signed free agent LHP Ross Detwiler to a minor league contract and invited him to spring training. |
| Nov 27, 2019 | Signed as free agent | Brady Lail | — | Chicago White Sox | Chicago White Sox signed free agent RHP Brady Lail to a minor league contract and invited him to spring training. |
| Nov 27, 2019 | Signed as free agent | Rocky Gale | — | Los Angeles Dodgers | Los Angeles Dodgers signed free agent C Rocky Gale to a minor league contract and invited him to spring training. |
| Nov 27, 2019 | Signed as free agent | José Marmolejos | — | Seattle Mariners | Seattle Mariners signed free agent 1B Jose Marmolejos to a minor league contract and invited him to spring training. |
| Nov 27, 2019 | Signed as free agent | Estibenzon Jimenez | — | Philadelphia Phillies | Philadelphia Phillies signed free agent RHP Estibenzon Jimenez to a minor league contract. |
| Nov 27, 2019 | Signed as free agent | Milleran Cedano | — | Los Angeles Angels | Los Angeles Angels signed free agent LHP Milleran Cedano to a minor league contract. |
| Nov 27, 2019 | Signed as free agent | Gabriel Estaba | — | New York Mets | New York Mets signed free agent RHP Gabriel Estaba to a minor league contract. |
| Nov 27, 2019 | Signed as free agent | Jose Rojas | — | Miami Marlins | Miami Marlins signed free agent RHP Jose Rojas to a minor league contract. |
| Nov 27, 2019 | Signed as free agent | Felix Cabrera | — | Los Angeles Dodgers | Los Angeles Dodgers signed free agent LHP Felix Cabrera to a minor league contract. |
| Nov 27, 2019 | Signed as free agent | Kliubert Avila | — | Philadelphia Phillies | Philadelphia Phillies signed free agent C Kliubert Avila to a minor league contract. |
| Nov 26, 2019 | Signed as free agent | Blaine Hardy | — | Minnesota Twins | Minnesota Twins signed free agent LHP Blaine Hardy to a minor league contract and invited him to spring training. |
| Nov 26, 2019 | Signed as free agent | Juan Graterol | — | Minnesota Twins | Minnesota Twins signed free agent C Juan Graterol to a minor league contract and invited him to spring training. |
| Nov 26, 2019 | Signed as free agent | Ryan Garton | — | Minnesota Twins | Minnesota Twins signed free agent RHP Ryan Garton to a minor league contract and invited him to spring training. |
| Nov 26, 2019 | Signed as free agent | Kendall Graveman | — | Seattle Mariners | Seattle Mariners signed free agent RHP Kendall Graveman. |
| Nov 26, 2019 | Signed as free agent | Dustin Garneau | — | Houston Astros | Houston Astros signed free agent C Dustin Garneau. |
| Nov 26, 2019 | Signed as free agent | Stephen Vogt | — | Arizona Diamondbacks | Arizona Diamondbacks signed free agent C Stephen Vogt. |
| Nov 26, 2019 | Signed as free agent | Wendell Rijo | — | New York Yankees | New York Yankees signed free agent 2B Wendell Rijo to a minor league contract. |
| Nov 26, 2019 | Signed as free agent | Reynaldo Colon | — | New York Mets | New York Mets signed free agent RHP Reynaldo Colon to a minor league contract. |
| Nov 26, 2019 | Signed as free agent | Enrique Valdez | — | New York Mets | New York Mets signed free agent SS Enrique Valdez to a minor league contract. |
| Nov 26, 2019 | Signed as free agent | Oliver Roque | — | Chicago Cubs | Chicago Cubs signed free agent RHP Oliver Roque to a minor league contract. |
| Nov 26, 2019 | Signed as free agent | Anthony Martinez | — | Chicago Cubs | Chicago Cubs signed free agent RHP Anthony Martinez to a minor league contract. |
| Nov 26, 2019 | Signed as free agent | Anthony Mendez | — | Chicago Cubs | Chicago Cubs signed free agent RHP Anthony Mendez to a minor league contract. |
| Nov 26, 2019 | Signed as free agent | Anderson Suriel | — | Chicago Cubs | Chicago Cubs signed free agent OF Anderson Suriel to a minor league contract. |
| Nov 26, 2019 | Signed as free agent | Dilan Granadillo | — | Chicago Cubs | Chicago Cubs signed free agent C Dilan Granadillo to a minor league contract. |
| Nov 26, 2019 | Signed as free agent | Salvador Justo | — | St. Louis Cardinals | St. Louis Cardinals signed free agent RHP Salvador Justo to a minor league contract. |
| Nov 26, 2019 | Signed as free agent | Jeremy Arocho | — | Los Angeles Angels | Los Angeles Angels signed free agent 2B Jeremy Arocho to a minor league contract. |
| Nov 26, 2019 | Signed as free agent | Stephen Vogt | — | Arizona Diamondbacks | Arizona Diamondbacks signed free agent C Stephen Vogt. |
| Nov 26, 2019 | Signed as free agent | Stephen Vogt | — | Arizona Diamondbacks | Arizona Diamondbacks signed free agent C Stephen Vogt. |
| Nov 25, 2019 | Trade | Dario Agrazal | Pittsburgh Pirates | Detroit Tigers | Pittsburgh Pirates traded RHP Dario Agrazal to Detroit Tigers for cash. |
| Nov 25, 2019 | Released | Drew VerHagen | — | Detroit Tigers | Detroit Tigers released RHP Drew VerHagen. |
| Nov 25, 2019 | Trade | Nestor Cortes | New York Yankees | Seattle Mariners | New York Yankees traded LHP Nestor Cortes to Seattle Mariners for Future Considerations. |
| Nov 25, 2019 | Trade | Justin Shafer | Toronto Blue Jays | Cincinnati Reds | Toronto Blue Jays traded RHP Justin Shafer to Cincinnati Reds for cash. |
| Nov 25, 2019 | Released | Jorge Bonifacio | — | Kansas City Royals | Kansas City Royals released RF Jorge Bonifacio. |
| Nov 25, 2019 | Released | Adrian Sampson | — | Texas Rangers | Texas Rangers released RHP Adrian Sampson. |
| Nov 25, 2019 | Released | Wei-Yin Chen | — | Miami Marlins | Miami Marlins released LHP Wei-Yin Chen. |
| Nov 25, 2019 | Released | Dominic Leone | — | St. Louis Cardinals | St. Louis Cardinals released RHP Dominic Leone. |
| Nov 25, 2019 | Signed as free agent | A.J. Cole | — | Toronto Blue Jays | Toronto Blue Jays signed free agent RHP A.J. Cole to a minor league contract and invited him to spring training. |
| Nov 25, 2019 | Signed as free agent | Arismendy Alcántara | — | Los Angeles Angels | Los Angeles Angels signed free agent 2B Arismendy Alcantara to a minor league contract and invited him to spring training. |
| Nov 25, 2019 | Signed as free agent | Connor Lien | — | Seattle Mariners | Seattle Mariners signed free agent OF Connor Lien to a minor league contract. |
| Nov 25, 2019 | Signed as free agent | Christopher Dishmey | — | Tampa Bay Rays | Tampa Bay Rays signed free agent RHP Christopher Dishmey to a minor league contract. |
| Nov 25, 2019 | Signed as free agent | Alexander Alberto | — | Tampa Bay Rays | Tampa Bay Rays signed free agent RHP Alexander Alberto to a minor league contract. |
| Nov 25, 2019 | Signed as free agent | Gregoris Carrasquel | — | Chicago Cubs | Chicago Cubs signed free agent RHP Gregoris Carrasquel to a minor league contract. |
| Nov 25, 2019 | Signed as free agent | Darwin Geronimo | — | Tampa Bay Rays | Tampa Bay Rays signed free agent RHP Darwin Geronimo to a minor league contract. |
| Nov 25, 2019 | Signed as free agent | Ronny Ramirez | — | Philadelphia Phillies | Philadelphia Phillies signed free agent LHP Ronny Ramirez to a minor league contract. |
| Nov 25, 2019 | Signed as free agent | Albert Rodriguez | — | Philadelphia Phillies | Philadelphia Phillies signed free agent CF Albert Rodriguez to a minor league contract. |
| Nov 25, 2019 | Signed as free agent | Hunter Jones | — | Washington Nationals | Washington Nationals signed free agent OF Hunter Jones to a minor league contract. |
| Nov 24, 2019 | Signed as free agent | Travis d'Arnaud | — | Atlanta Braves | Atlanta Braves signed free agent C Travis d'Arnaud. |
| Nov 24, 2019 | Signed as free agent | Carlos Pérez | — | Athletics | Oakland Athletics signed free agent C Carlos Perez to a minor league contract and invited him to spring training. |
| Nov 24, 2019 | Signed as free agent | Nate Orf | — | Athletics | Oakland Athletics signed free agent 2B Nate Orf to a minor league contract and invited him to spring training. |
| Nov 24, 2019 | Signed as free agent | Jaycob Brugman | — | Chicago White Sox | Chicago White Sox signed free agent LF Jaycob Brugman to a minor league contract and invited him to spring training. |
| Nov 23, 2019 | Trade | Jharel Cotton | Athletics | Chicago Cubs | Oakland Athletics traded RHP Jharel Cotton to Chicago Cubs for cash. |
| Nov 23, 2019 | Signed as free agent | Welmy Valerio | — | Los Angeles Angels | Los Angeles Angels signed free agent RHP Welmy Valerio to a minor league contract. |
| Nov 22, 2019 | Released | Drew Gagnon | — | New York Mets | New York Mets released RHP Drew Gagnon. |
| Nov 22, 2019 | Released | Nick Goody | — | Cleveland Guardians | Cleveland Indians released RHP Nick Goody. |
| Nov 22, 2019 | Released | Matt Duffy | — | Tampa Bay Rays | Tampa Bay Rays released 3B Matt Duffy. |
| Nov 22, 2019 | Signed as free agent | Ryan Goins | — | Athletics | Oakland Athletics signed free agent 2B Ryan Goins to a minor league contract and invited him to spring training. |
| Nov 22, 2019 | Signed as free agent | Jesús Castillo | — | Milwaukee Brewers | Milwaukee Brewers signed free agent RHP Jesus Castillo to a minor league contract and invited him to spring training. |
| Nov 22, 2019 | Signed as free agent | Mason Williams | — | Baltimore Orioles | Baltimore Orioles signed free agent CF Mason Williams to a minor league contract and invited him to spring training. |
| Nov 22, 2019 | Signed as free agent | Malquin Canelo | — | Baltimore Orioles | Baltimore Orioles signed free agent SS Malquin Canelo to a minor league contract and invited him to spring training. |
| Nov 22, 2019 | Signed as free agent | Elison Joseph | — | Atlanta Braves | Atlanta Braves signed free agent RHP Elison Joseph to a minor league contract. |
| Nov 22, 2019 | Signed as free agent | Juremi Profar | — | Boston Red Sox | Boston Red Sox signed free agent 3B Juremi Profar to a minor league contract. |
| Nov 22, 2019 | Signed as free agent | Liarvis Breto | — | St. Louis Cardinals | St. Louis Cardinals signed free agent LHP Liarvis Breto to a minor league contract. |
| Nov 21, 2019 | Signed as free agent | Yasmani Grandal | — | Chicago White Sox | Chicago White Sox signed free agent C Yasmani Grandal. |
| Nov 21, 2019 | Signed as free agent | Zack Granite | — | New York Yankees | New York Yankees signed free agent OF Zack Granite to a minor league contract and invited him to spring training. |
| Nov 21, 2019 | Signed as free agent | Yasmani Grandal | — | Chicago White Sox | Chicago White Sox signed free agent C Yasmani Grandal. |
| Nov 21, 2019 | Signed as free agent | Yasmani Grandal | — | Chicago White Sox | Chicago White Sox signed free agent C Yasmani Grandal. |
| Nov 20, 2019 | Trade | Mark Mathias | Cleveland Guardians | Milwaukee Brewers | Cleveland Indians traded 2B Mark Mathias to Milwaukee Brewers for C Andres Melendez. |
| Nov 20, 2019 | Trade | José De León | Tampa Bay Rays | Cincinnati Reds | Tampa Bay Rays traded RHP Jose De Leon to Cincinnati Reds for Player To Be Named Later and cash. |
| Nov 20, 2019 | Released | Jacoby Ellsbury | — | New York Yankees | New York Yankees released CF Jacoby Ellsbury. |
| Nov 20, 2019 | Trade | Curtis Mead | Philadelphia Phillies | Tampa Bay Rays | Tampa Bay Rays traded LHP Cristopher Sanchez to Philadelphia Phillies for 2B Curtis Mead. |
| Nov 20, 2019 | Signed as free agent | Robert Dominguez | — | New York Mets | New York Mets signed free agent RHP Robert Dominguez to a minor league contract. |
| Nov 20, 2019 | Signed as free agent | Andrés Machado | — | Kansas City Royals | Kansas City Royals signed free agent RHP Andres Machado to a minor league contract and invited him to spring training. |
| Nov 20, 2019 | Released | Ryan Dull | — | Toronto Blue Jays | Toronto Blue Jays released RHP Ryan Dull. |
| Nov 20, 2019 | Signed as free agent | Nabil Crismatt | — | St. Louis Cardinals | St. Louis Cardinals signed free agent RHP Nabil Crismatt to a minor league contract and invited him to spring training. |
| Nov 20, 2019 | Signed as free agent | Hoby Milner | — | Los Angeles Angels | Los Angeles Angels signed free agent LHP Hoby Milner to a minor league contract and invited him to spring training. |
| Nov 20, 2019 | Signed as free agent | Alan Romero | — | Cleveland Guardians | Cleveland Indians signed free agent C Alan Romero to a minor league contract. |
| Nov 20, 2019 | Signed as free agent | Jeremy Mijares | — | Athletics | Oakland Athletics signed free agent LHP Jeremy Mijares to a minor league contract. |
| Nov 20, 2019 | Signed as free agent | Layonel Ovalles | — | New York Mets | New York Mets signed free agent RHP Layonel Ovalles to a minor league contract. |
| Nov 20, 2019 | Signed as free agent | Luis De Avila | — | Kansas City Royals | Kansas City Royals signed free agent LHP Luis De Avila to a minor league contract. |
| Nov 19, 2019 | Signed as free agent | Chris Martin | — | Atlanta Braves | Atlanta Braves signed free agent RHP Chris Martin. |
| Nov 19, 2019 | Signed as free agent | Kade Scivicque | — | Detroit Tigers | Detroit Tigers signed free agent C Kade Scivicque to a minor league contract. |
| Nov 19, 2019 | Signed as free agent | Ian Gardeck | — | Athletics | Oakland Athletics signed free agent RHP Ian Gardeck to a minor league contract and invited him to spring training. |
| Nov 19, 2019 | Signed as free agent | Pete Kozma | — | Atlanta Braves | Atlanta Braves signed free agent SS Pete Kozma to a minor league contract. |
| Nov 18, 2019 | Signed as free agent | Lucas Luetge | — | Athletics | Oakland Athletics signed free agent LHP Lucas Luetge to a minor league contract and invited him to spring training. |
| Nov 18, 2019 | Signed as free agent | Jaime Schultz | — | Athletics | Oakland Athletics signed free agent RHP Jaime Schultz to a minor league contract and invited him to spring training. |
| Nov 18, 2019 | Signed as free agent | Trey McNutt | — | San Francisco Giants | San Francisco Giants signed free agent RHP Trey McNutt to a minor league contract. |
| Nov 18, 2019 | Signed as free agent | Rob Zastryzny | — | Baltimore Orioles | Baltimore Orioles signed free agent LHP Rob Zastryzny to a minor league contract and invited him to spring training. |
| Nov 18, 2019 | Signed as free agent | Patrick Kivlehan | — | Toronto Blue Jays | Toronto Blue Jays signed free agent LF Patrick Kivlehan to a minor league contract and invited him to spring training. |
| Nov 18, 2019 | Signed as free agent | Christian Colón | — | Cincinnati Reds | Cincinnati Reds signed free agent 2B Christian Colon to a minor league contract and invited him to spring training. |
| Nov 18, 2019 | Signed as free agent | Luis Garcia | — | Cleveland Guardians | Cleveland Indians signed free agent RHP Luis Garcia to a minor league contract. |
| Nov 18, 2019 | Signed as free agent | Victor Acosta | — | Los Angeles Angels | Los Angeles Angels signed free agent LF Victor Acosta to a minor league contract. |
| Nov 18, 2019 | Signed as free agent | Joe DeCarlo | — | Boston Red Sox | Boston Red Sox signed free agent C Joe DeCarlo to a minor league contract. |
| Nov 17, 2019 | Signed as free agent | Olbis Parra | — | San Francisco Giants | San Francisco Giants signed free agent RHP Olbis Parra to a minor league contract. |
| Nov 16, 2019 | Signed as free agent | Matt Reynolds | — | Kansas City Royals | Kansas City Royals signed free agent SS Matt Reynolds to a minor league contract and invited him to spring training. |
| Nov 15, 2019 | Signed as free agent | Zach Lee | — | Athletics | Oakland Athletics signed free agent RHP Zach Lee to a minor league contract and invited him to spring training. |
| Nov 15, 2019 | Signed as free agent | David Masters | — | Washington Nationals | Washington Nationals signed free agent 3B David Masters to a minor league contract. |
| Nov 15, 2019 | Signed as free agent | Ruben Salinas | — | San Diego Padres | San Diego Padres signed free agent CF Ruben Salinas to a minor league contract. |
| Nov 15, 2019 | Signed as free agent | Jose Cosma | — | Baltimore Orioles | Baltimore Orioles signed free agent SS Jose Cosma to a minor league contract. |
| Nov 15, 2019 | Signed as free agent | Luis Sánchez | — | Baltimore Orioles | Baltimore Orioles signed free agent RHP Luis Sanchez to a minor league contract. |
| Nov 15, 2019 | Signed as free agent | Ronnie Martinez | — | Baltimore Orioles | Baltimore Orioles signed free agent OF Ronnie Martinez to a minor league contract. |
| Nov 15, 2019 | Signed as free agent | Adrian Rubio | — | New York Mets | New York Mets signed free agent CF Adrian Rubio to a minor league contract. |
| Nov 15, 2019 | Signed as free agent | Willy Ortiz | — | Toronto Blue Jays | Toronto Blue Jays signed free agent RHP Willy Ortiz to a minor league contract. |
| Nov 14, 2019 | Signed as free agent | Will Smith | — | Atlanta Braves | Atlanta Braves signed free agent LHP Will Smith. |
| Nov 14, 2019 | Signed as free agent | Jake Odorizzi | — | Minnesota Twins | Minnesota Twins signed free agent RHP Jake Odorizzi. |
| Nov 14, 2019 | Signed as free agent | José Abreu | — | Chicago White Sox | Chicago White Sox signed free agent 1B Jose Abreu. |
| Nov 14, 2019 | Signed as free agent | Mauricio Cabrera | — | Arizona Diamondbacks | Arizona Diamondbacks signed free agent RHP Mauricio Cabrera to a minor league contract. |
| Nov 14, 2019 | Signed as free agent | Juan Nuñez | — | Minnesota Twins | Minnesota Twins signed free agent RHP Juan Nunez to a minor league contract. |
| Nov 14, 2019 | Signed as free agent | José Abreu | — | Chicago White Sox | Chicago White Sox signed free agent 1B Jose Abreu. |
| Nov 14, 2019 | Signed as free agent | José Abreu | — | Chicago White Sox | Chicago White Sox signed free agent 1B Jose Abreu, and. |
| Nov 13, 2019 | Signed as free agent | Eric Stamets | — | Colorado Rockies | Colorado Rockies signed free agent SS Eric Stamets to a minor league contract and invited him to spring training. |
| Nov 13, 2019 | Signed as free agent | Gensi Vasquez | — | Arizona Diamondbacks | Arizona Diamondbacks signed free agent SS Gensi Vasquez to a minor league contract. |
| Nov 13, 2019 | Signed as free agent | Carlos Lopez | — | San Francisco Giants | San Francisco Giants signed free agent LHP Carlos Lopez to a minor league contract. |
| Nov 13, 2019 | Signed as free agent | Luis Vallenilla | — | Detroit Tigers | Detroit Tigers signed free agent RHP Luis Vallenilla to a minor league contract. |
| Nov 13, 2019 | Signed as free agent | Rafael Ramirez | — | Baltimore Orioles | Baltimore Orioles signed free agent RHP Rafael Ramirez to a minor league contract. |
| Nov 13, 2019 | Signed as free agent | Yonatan Pineda | — | Baltimore Orioles | Baltimore Orioles signed free agent RHP Yonatan Pineda to a minor league contract. |
| Nov 13, 2019 | Signed as free agent | Estanlin Cassiani | — | San Francisco Giants | San Francisco Giants signed free agent CF Estanlin Cassiani to a minor league contract. |
| Nov 13, 2019 | Signed as free agent | Marlon Franco | — | San Francisco Giants | San Francisco Giants signed free agent RHP Marlon Franco to a minor league contract. |
| Nov 13, 2019 | Signed as free agent | Johan Mieses | — | Boston Red Sox | Boston Red Sox signed free agent OF Johan Mieses to a minor league contract. |
| Nov 12, 2019 | Signed as free agent | Adam Wainwright | — | St. Louis Cardinals | St. Louis Cardinals signed free agent RHP Adam Wainwright. |
| Nov 12, 2019 | Released | Aaron Brooks | — | Baltimore Orioles | Baltimore Orioles released RHP Aaron Brooks. |
| Nov 12, 2019 | Signed as free agent | Drew Anderson | — | Chicago White Sox | Chicago White Sox signed free agent RHP Drew Anderson to a minor league contract and invited him to spring training. |
| Nov 11, 2019 | Signed as free agent | Giomar Diaz | — | Atlanta Braves | Atlanta Braves signed free agent RHP Giomar Diaz to a minor league contract. |
| Nov 11, 2019 | Signed as free agent | Ronny Chalas | — | Detroit Tigers | Detroit Tigers signed free agent RHP Ronny Chalas to a minor league contract. |
| Nov 9, 2019 | Released | Kristopher Negrón | — | Los Angeles Dodgers | Los Angeles Dodgers released 2B Kristopher Negron. |
| Nov 9, 2019 | Signed as free agent | Brayan Restituyo | — | Athletics | Oakland Athletics signed free agent LHP Brayan Restituyo to a minor league contract. |
| Nov 9, 2019 | Signed as free agent | Michael Choice | — | Colorado Rockies | Colorado Rockies signed free agent OF Michael Choice to a minor league contract. |
| Nov 9, 2019 | Signed as free agent | Zach Borenstein | — | Colorado Rockies | Colorado Rockies signed free agent OF Zach Borenstein to a minor league contract. |
| Nov 8, 2019 | Signed as free agent | Darren O'Day | — | Atlanta Braves | Atlanta Braves signed free agent RHP Darren O'Day. |
| Nov 8, 2019 | Released | Ricardo Pinto | — | San Francisco Giants | San Francisco Giants released RHP Ricardo Pinto. |
| Nov 8, 2019 | Signed as free agent | Jaydenn Estanista | — | Philadelphia Phillies | Philadelphia Phillies signed free agent RHP Jaydenn Estanista to a minor league contract. |
| Nov 8, 2019 | Signed as free agent | Wilkerman Munoz | — | Texas Rangers | Texas Rangers signed free agent RHP Wilkerman Munoz to a minor league contract. |
| Nov 8, 2019 | Signed as free agent | Angelo Mora | — | Baltimore Orioles | Baltimore Orioles signed free agent SS Angelo Mora to a minor league contract. |
| Nov 8, 2019 | Signed as free agent | Alex Powers | — | Cincinnati Reds | Cincinnati Reds signed free agent RHP Alex Powers to a minor league contract and invited him to spring training. |
| Nov 8, 2019 | Signed as free agent | Keury Mella | — | Arizona Diamondbacks | Arizona Diamondbacks signed free agent RHP Keury Mella to a minor league contract and invited him to spring training. |
| Nov 7, 2019 | Released | Eric Yardley | — | San Diego Padres | San Diego Padres released RHP Eric Yardley. |
| Nov 7, 2019 | Signed as free agent | Alexander Palma | — | Milwaukee Brewers | Milwaukee Brewers signed free agent RF Alexander Palma to a minor league contract. |
| Nov 7, 2019 | Released | Ryan Tepera | — | Toronto Blue Jays | Toronto Blue Jays released RHP Ryan Tepera. |
| Nov 7, 2019 | Signed as free agent | Isaias Falcon | — | Los Angeles Angels | Los Angeles Angels signed free agent SS Isaias Falcon to a minor league contract. |
| Nov 7, 2019 | Signed as free agent | Brian Schlitter | — | Athletics | Oakland Athletics signed free agent RHP Brian Schlitter to a minor league contract and invited him to spring training. |
| Nov 7, 2019 | Signed as free agent | Jake Lowery | — | Washington Nationals | Washington Nationals signed free agent C Jake Lowery to a minor league contract. |
| Nov 7, 2019 | Signed as free agent | Yapson Gomez | — | San Francisco Giants | San Francisco Giants signed free agent LHP Yapson Gomez to a minor league contract. |
| Nov 7, 2019 | Signed as free agent | Justin De Fratus | — | Los Angeles Dodgers | Los Angeles Dodgers signed free agent RHP Justin De Fratus to a minor league contract. |
| Nov 6, 2019 | Signed as free agent | Tomás Telis | — | Minnesota Twins | Minnesota Twins signed free agent C Tomas Telis to a minor league contract. |
| Nov 6, 2019 | Signed as free agent | Jonathan Cheshire | — | Minnesota Twins | Minnesota Twins signed free agent RHP Jonathan Cheshire to a minor league contract. |
| Nov 6, 2019 | Released | Jacob Barnes | — | Kansas City Royals | Kansas City Royals released RHP Jacob Barnes. |
| Nov 6, 2019 | Signed as free agent | Luis Castro | — | Milwaukee Brewers | Milwaukee Brewers signed free agent 1B Luis Castro to a minor league contract. |
| Nov 6, 2019 | Signed as free agent | Seth Mejias-Brean | — | San Diego Padres | San Diego Padres signed free agent 3B Seth Mejias-Brean to a minor league contract. |
| Nov 6, 2019 | Signed as free agent | Yhonkervix Castillo | — | Los Angeles Dodgers | Los Angeles Dodgers signed free agent LHP Yhonkervix Castillo to a minor league contract. |
| Nov 6, 2019 | Signed as free agent | Francisco Lucumi | — | Los Angeles Dodgers | Los Angeles Dodgers signed free agent RHP Francisco Lucumi to a minor league contract. |
| Nov 6, 2019 | Signed as free agent | Deivi Abena | — | Tampa Bay Rays | Tampa Bay Rays signed free agent LHP Deivi Abena to a minor league contract. |
| Nov 6, 2019 | Signed as free agent | Israel Mateo | — | Tampa Bay Rays | Tampa Bay Rays signed free agent RHP Israel Mateo to a minor league contract. |
| Nov 6, 2019 | Signed as free agent | Victor Fransua | — | Tampa Bay Rays | Tampa Bay Rays signed free agent RHP Victor Fransua to a minor league contract. |
| Nov 6, 2019 | Signed as free agent | Luis Acosta | — | Tampa Bay Rays | Tampa Bay Rays signed free agent RHP Luis Acosta to a minor league contract. |
| Nov 6, 2019 | Signed as free agent | Matthew Mercedes | — | Chicago White Sox | Chicago White Sox signed free agent 1B Matthew Mercedes to a minor league contract. |
| Nov 6, 2019 | Signed as free agent | Linse Carvajal | — | Tampa Bay Rays | Tampa Bay Rays signed free agent RHP Linse Carvajal to a minor league contract. |
| Nov 6, 2019 | Signed as free agent | Elvis Contreras | — | Tampa Bay Rays | Tampa Bay Rays signed free agent LHP Elvis Contreras to a minor league contract. |
| Nov 5, 2019 | Signed as free agent | Julio Cruz | — | Kansas City Royals | Kansas City Royals signed free agent RHP Julio Cruz to a minor league contract. |
| Nov 5, 2019 | Signed as free agent | Beycker Barroso | — | Texas Rangers | Texas Rangers signed free agent C Beycker Barroso to a minor league contract. |
| Nov 5, 2019 | Signed as free agent | Eury Rosado | — | Texas Rangers | Texas Rangers signed free agent RHP Eury Rosado to a minor league contract. |
| Nov 5, 2019 | Signed as free agent | Jose Trinidad | — | Texas Rangers | Texas Rangers signed free agent RHP Jose Trinidad to a minor league contract. |
| Nov 5, 2019 | Signed as free agent | Tim Adleman | — | Detroit Tigers | Detroit Tigers signed free agent RHP Tim Adleman to a minor league contract. |
| Nov 5, 2019 | Signed as free agent | Matt Grace | — | Arizona Diamondbacks | Arizona Diamondbacks signed free agent LHP Matt Grace to a minor league contract and invited him to spring training. |
| Nov 5, 2019 | Signed as free agent | Jose Disla | — | Tampa Bay Rays | Tampa Bay Rays signed free agent RHP Jose Disla to a minor league contract. |
| Nov 5, 2019 | Signed as free agent | Angel Rivas | — | Texas Rangers | Texas Rangers signed free agent RHP Angel Rivas to a minor league contract. |
| Nov 4, 2019 | Trade | Chase Anderson | Milwaukee Brewers | Toronto Blue Jays | Milwaukee Brewers traded RHP Chase Anderson to Toronto Blue Jays for 1B Chad Spanberger. |
| Nov 4, 2019 | Signed as free agent | Zach Green | — | San Francisco Giants | San Francisco Giants signed free agent 1B Zach Green to a minor league contract. |
| Nov 4, 2019 | Signed as free agent | Cristhian Adames | — | San Francisco Giants | San Francisco Giants signed free agent SS Cristhian Adames to a minor league contract. |
| Nov 4, 2019 | Signed as free agent | Luis Valdez | — | Los Angeles Dodgers | Los Angeles Dodgers signed free agent LHP Luis Valdez to a minor league contract. |
| Nov 2, 2019 | Signed as free agent | Luis Leones | — | Cincinnati Reds | Cincinnati Reds signed free agent CF Luis Leones to a minor league contract. |
| Nov 2, 2019 | Signed as free agent | Tim Melville | — | Colorado Rockies | Colorado Rockies signed free agent RHP Tim Melville to a minor league contract and invited him to spring training. |
| Nov 1, 2019 | Released | José Pirela | — | Philadelphia Phillies | Philadelphia Phillies released LF Jose Pirela. |
| Oct 31, 2019 | Trade | Welington Castillo | Chicago White Sox | Texas Rangers | Chicago White Sox traded C Welington Castillo and Future Considerations to Texas Rangers for OF Jonah McReynolds. |
| Oct 31, 2019 | Trade | Travis Jankowski | San Diego Padres | Cincinnati Reds | San Diego Padres traded RF Travis Jankowski to Cincinnati Reds for Future Considerations. |
| Oct 31, 2019 | Trade | Parker Markel | Pittsburgh Pirates | Los Angeles Angels | Pittsburgh Pirates traded RHP Parker Markel to Los Angeles Angels for cash. |
| Oct 31, 2019 | Signed as free agent | Franklin Sanchez | — | New York Mets | New York Mets signed free agent RHP Franklin Sanchez to a minor league contract. |
| Oct 31, 2019 | Signed as free agent | Rainier Taveras | — | San Diego Padres | San Diego Padres signed free agent RHP Rainier Taveras to a minor league contract. |
| Oct 31, 2019 | Signed as free agent | Yerisson Encarnacion | — | San Diego Padres | San Diego Padres signed free agent LHP Yerisson Encarnacion to a minor league contract. |
| Oct 30, 2019 | Signed as free agent | Abel Brito | — | Cleveland Guardians | Cleveland Indians signed free agent RHP Abel Brito to a minor league contract. |
| Oct 30, 2019 | Signed as free agent | Pedro Almanzar | — | Cleveland Guardians | Cleveland Indians signed free agent RHP Pedro Almanzar to a minor league contract. |
| Oct 30, 2019 | Signed as free agent | Ignacio Briceno | — | Detroit Tigers | Detroit Tigers signed free agent LHP Ignacio Briceno to a minor league contract. |
| Oct 30, 2019 | Signed as free agent | Ty Moore | — | Baltimore Orioles | Baltimore Orioles signed free agent OF Ty Moore to a minor league contract. |
| Oct 28, 2019 | Signed as free agent | Bryant Capellan | — | Cleveland Guardians | Cleveland Indians signed free agent RHP Bryant Capellan to a minor league contract. |
| Oct 26, 2019 | Signed as free agent | Angel Luna | — | St. Louis Cardinals | St. Louis Cardinals signed free agent RHP Angel Luna to a minor league contract. |
| Oct 25, 2019 | Signed as free agent | Squiorin Lorenzo | — | Cincinnati Reds | Cincinnati Reds signed free agent RHP Squiorin Lorenzo to a minor league contract. |
| Oct 25, 2019 | Signed as free agent | Alexandro Castro | — | Cleveland Guardians | Cleveland Indians signed free agent LHP Alexandro Castro to a minor league contract. |
| Oct 25, 2019 | Signed as free agent | Olmandi Diaz | — | Cleveland Guardians | Cleveland Indians signed free agent RHP Olmandi Diaz to a minor league contract. |
| Oct 25, 2019 | Signed as free agent | Dielmon Urena | — | Cleveland Guardians | Cleveland Indians signed free agent RHP Dielmon Urena to a minor league contract. |
| Oct 25, 2019 | Signed as free agent | Isaias Uribe | — | Pittsburgh Pirates | Pittsburgh Pirates signed free agent LHP Isaias Uribe to a minor league contract. |
| Oct 25, 2019 | Signed as free agent | Victor Valera | — | Tampa Bay Rays | Tampa Bay Rays signed free agent SS Victor Valera to a minor league contract. |
| Oct 24, 2019 | Signed as free agent | Delson Guzman | — | Milwaukee Brewers | Milwaukee Brewers signed free agent RHP Delson Guzman to a minor league contract. |
| Oct 23, 2019 | Released | DJ Johnson | — | Colorado Rockies | Colorado Rockies released RHP DJ Johnson. |
| Oct 22, 2019 | Signed as free agent | Chih-Jung Liu | — | Boston Red Sox | Boston Red Sox signed free agent RHP Chih-Jung Liu to a minor league contract. |
| Oct 18, 2019 | Released | Steven Wright | — | Boston Red Sox | Boston Red Sox released RHP Steven Wright. |
| Oct 18, 2019 | Signed as free agent | Deolis Guerra | — | Milwaukee Brewers | Milwaukee Brewers signed free agent RHP Deolis Guerra. |
| Oct 18, 2019 | Signed as free agent | Eduardo Diaz | — | Boston Red Sox | Boston Red Sox signed free agent LHP Eduardo Diaz to a minor league contract. |
| Oct 18, 2019 | Signed as free agent | Colin Willis | — | Boston Red Sox | Boston Red Sox signed free agent OF Colin Willis to a minor league contract. |
| Oct 18, 2019 | Signed as free agent | Javier Tovar | — | Cleveland Guardians | Cleveland Indians signed free agent RHP Javier Tovar to a minor league contract. |
| Oct 18, 2019 | Signed as free agent | Omar Yanez | — | St. Louis Cardinals | St. Louis Cardinals signed free agent RHP Omar Yanez to a minor league contract. |
| Oct 16, 2019 | Signed as free agent | Chanderson Perez | — | Houston Astros | Houston Astros signed free agent RHP Chanderson Perez to a minor league contract. |
| Oct 15, 2019 | Signed as free agent | Yoldin De La Paz | — | Pittsburgh Pirates | Pittsburgh Pirates signed free agent LHP Yoldin De La Paz to a minor league contract. |
| Oct 15, 2019 | Signed as free agent | Yunior Thibo | — | Pittsburgh Pirates | Pittsburgh Pirates signed free agent RHP Yunior Thibo to a minor league contract. |
| Oct 12, 2019 | Signed as free agent | Jesus Ortega | — | Los Angeles Angels | Los Angeles Angels signed free agent CF Jesus Ortega to a minor league contract. |
| Oct 11, 2019 | Signed as free agent | Albertson Asigen | — | Boston Red Sox | Boston Red Sox signed free agent OF Albertson Asigen to a minor league contract. |
| Oct 11, 2019 | Signed as free agent | Claudio Richetti | — | Boston Red Sox | Boston Red Sox signed free agent C Claudio Richetti to a minor league contract. |
| Oct 11, 2019 | Signed as free agent | Edgar Mercedes | — | Chicago Cubs | Chicago Cubs signed free agent RHP Edgar Mercedes to a minor league contract. |
| Oct 11, 2019 | Signed as free agent | Gabriel Disla | — | Chicago Cubs | Chicago Cubs signed free agent OF Gabriel Disla to a minor league contract. |
| Oct 8, 2019 | Signed as free agent | Carlos Rosario | — | New York Yankees | New York Yankees signed free agent RHP Carlos Rosario to a minor league contract. |
| Oct 5, 2019 | Signed as free agent | Fraimin Marte | — | St. Louis Cardinals | St. Louis Cardinals signed free agent RHP Fraimin Marte to a minor league contract. |
| Oct 4, 2019 | Signed as free agent | Ronard Paulino | — | Miami Marlins | Miami Marlins signed free agent RHP Ronard Paulino to a minor league contract. |
| Oct 4, 2019 | Signed as free agent | Luis Brito | — | Pittsburgh Pirates | Pittsburgh Pirates signed free agent LHP Luis Brito to a minor league contract. |
| Oct 4, 2019 | Signed as free agent | Darwin Cruz | — | Toronto Blue Jays | Toronto Blue Jays signed free agent RHP Darwin Cruz to a minor league contract. |
| Oct 3, 2019 | Signed as free agent | Jose Contreras | — | Cleveland Guardians | Cleveland Indians signed free agent RHP Jose Contreras to a minor league contract. |
| Oct 2, 2019 | Signed as free agent | Bienvenido Polanco | — | Cleveland Guardians | Cleveland Indians signed free agent RHP Bienvenido Polanco to a minor league contract. |
| Oct 2, 2019 | Signed as free agent | Elian Quezada | — | Cleveland Guardians | Cleveland Indians signed free agent RHP Elian Quezada to a minor league contract. |
| Oct 2, 2019 | Signed as free agent | Yaniel Arias | — | Washington Nationals | Washington Nationals signed free agent RHP Yaniel Arias to a minor league contract. |
| Oct 1, 2019 | Signed as free agent | Yohan Gonzalez | — | Arizona Diamondbacks | Arizona Diamondbacks signed free agent C Yohan Gonzalez to a minor league contract. |
| Oct 1, 2019 | Signed as free agent | Ricardo Aguilar | — | Chicago White Sox | Chicago White Sox signed free agent C Ricardo Aguilar to a minor league contract. |
| Sep 30, 2019 | Signed as free agent | Kelvin Diaz | — | Pittsburgh Pirates | Pittsburgh Pirates signed free agent SS Kelvin Diaz to a minor league contract. |
| Sep 28, 2019 | Signed as free agent | Geoffrey Bramblett | — | Arizona Diamondbacks | Arizona Diamondbacks signed free agent RHP Geoffrey Bramblett to a minor league contract. |
| Sep 28, 2019 | Signed as free agent | Sebastian Rodriguez | — | Pittsburgh Pirates | Pittsburgh Pirates signed free agent RHP Sebastian Rodriguez to a minor league contract. |
| Sep 26, 2019 | Signed as free agent | Wilker Cubillan | — | Atlanta Braves | Atlanta Braves signed free agent RHP Wilker Cubillan to a minor league contract. |
| Sep 26, 2019 | Signed as free agent | Andres Sanchez | — | Atlanta Braves | Atlanta Braves signed free agent RHP Andres Sanchez to a minor league contract. |
| Sep 26, 2019 | Signed as free agent | Albaro Santana | — | Chicago Cubs | Chicago Cubs signed free agent RHP Albaro Santana to a minor league contract. |
| Sep 26, 2019 | Signed as free agent | Amauris De Los Santos | — | New York Yankees | New York Yankees signed free agent 2B Amauris De Los Santos to a minor league contract. |
| Sep 25, 2019 | Signed as free agent | Michael De Leon | — | Los Angeles Dodgers | Los Angeles Dodgers signed free agent OF Michael De Leon to a minor league contract. |
| Sep 25, 2019 | Signed as free agent | Hansel Rincon | — | Arizona Diamondbacks | Arizona Diamondbacks signed free agent RHP Hansel Rincon to a minor league contract. |
| Sep 23, 2019 | Signed as free agent | Jean Munoz | — | Seattle Mariners | Seattle Mariners signed free agent RHP Jean Munoz to a minor league contract. |
| Sep 21, 2019 | Signed as free agent | Vladimir Ysabel | — | Cincinnati Reds | Cincinnati Reds signed free agent OF Vladimir Ysabel to a minor league contract. |
| Sep 21, 2019 | Signed as free agent | Brandan Bidois | — | Pittsburgh Pirates | Pittsburgh Pirates signed free agent RHP Brandan Bidois to a minor league contract. |
| Sep 20, 2019 | Signed as free agent | Luis Maza | — | Chicago Cubs | Chicago Cubs signed free agent SS Luis Maza to a minor league contract. |
| Sep 20, 2019 | Signed as free agent | Jose Alcila | — | Chicago Cubs | Chicago Cubs signed free agent RHP Jose Alcila to a minor league contract. |
| Sep 19, 2019 | Signed as free agent | Simon Pacheco | — | Boston Red Sox | Boston Red Sox signed free agent RHP Simon Pacheco to a minor league contract. |
| Sep 18, 2019 | Signed as free agent | David Nunez | — | San Francisco Giants | San Francisco Giants signed free agent RHP David Nunez to a minor league contract. |
| Sep 18, 2019 | Signed as free agent | Leury Gomez | — | Chicago Cubs | Chicago Cubs signed free agent RHP Leury Gomez to a minor league contract. |
| Sep 18, 2019 | Signed as free agent | Robinson Rodriguez | — | Chicago Cubs | Chicago Cubs signed free agent RHP Robinson Rodriguez to a minor league contract. |
| Sep 17, 2019 | Signed as free agent | Francis Hernandez | — | Boston Red Sox | Boston Red Sox signed free agent RHP Francis Hernandez to a minor league contract. |
| Sep 15, 2019 | Signed as free agent | Luiz Gohara | — | Los Angeles Angels | Los Angeles Angels signed free agent LHP Luiz Gohara to a minor league contract. |
| Sep 13, 2019 | Released | Chris Herrmann | — | Athletics | Oakland Athletics released C Chris Herrmann. |
| Sep 13, 2019 | Signed as free agent | Jhonson Pena | — | Pittsburgh Pirates | Pittsburgh Pirates signed free agent SS Jhonson Pena to a minor league contract. |
| Sep 12, 2019 | Released | Clayton Richard | — | Toronto Blue Jays | Toronto Blue Jays released LHP Clayton Richard. |
| Sep 12, 2019 | Signed as free agent | Carlos Nunez | — | Arizona Diamondbacks | Arizona Diamondbacks signed free agent RHP Carlos Nunez to a minor league contract. |
| Sep 12, 2019 | Signed as free agent | Albert Calderon | — | Baltimore Orioles | Baltimore Orioles signed free agent 1B Albert Calderon to a minor league contract. |
| Sep 12, 2019 | Signed as free agent | Daniel Salas | — | New York Yankees | New York Yankees signed free agent RHP Daniel Salas to a minor league contract. |
| Sep 11, 2019 | Signed as free agent | Santiago Millan | — | Tampa Bay Rays | Tampa Bay Rays signed free agent OF Santiago Millan to a minor league contract. |
| Sep 11, 2019 | Signed as free agent | Carlos Gomez | — | Chicago White Sox | Chicago White Sox signed free agent OF Carlos Gomez to a minor league contract. |
| Sep 11, 2019 | Signed as free agent | Layant Tapia | — | Chicago White Sox | Chicago White Sox signed free agent SS Layant Tapia to a minor league contract. |
| Sep 10, 2019 | Signed as free agent | Gregory Garcia | — | Cincinnati Reds | Cincinnati Reds signed free agent RHP Gregory Garcia to a minor league contract. |
| Sep 10, 2019 | Signed as free agent | Dualvert Gutierrez | — | Cincinnati Reds | Cincinnati Reds signed free agent RHP Dualvert Gutierrez to a minor league contract. |
| Sep 10, 2019 | Signed as free agent | Daniel Gonzalez | — | Chicago White Sox | Chicago White Sox signed free agent LHP Daniel Gonzalez to a minor league contract. |
| Sep 8, 2019 | Trade | Ryan LaMarre | Atlanta Braves | Minnesota Twins | Atlanta Braves traded OF Ryan LaMarre to Minnesota Twins for cash. |
| Sep 6, 2019 | Signed as free agent | Andri Tavarez | — | Tampa Bay Rays | Tampa Bay Rays signed free agent LHP Andri Tavarez to a minor league contract. |
| Sep 6, 2019 | Signed as free agent | Sebastian Bautista | — | Detroit Tigers | Detroit Tigers signed free agent OF Sebastian Bautista to a minor league contract. |
| Sep 6, 2019 | Signed as free agent | Alex Martinez | — | Los Angeles Angels | Los Angeles Angels signed free agent RHP Alex Martinez to a minor league contract. |
| Sep 6, 2019 | Signed as free agent | Franck De La Rosa | — | Athletics | Oakland Athletics signed free agent RHP Franck De La Rosa to a minor league contract. |
| Sep 6, 2019 | Signed as free agent | Diego Granado | — | Athletics | Oakland Athletics signed free agent RHP Diego Granado to a minor league contract. |
| Sep 5, 2019 | Released | Reymin Guduan | — | Houston Astros | Houston Astros released LHP Reymin Guduan. |
| Sep 5, 2019 | Signed as free agent | Barbaro Pinero | — | Boston Red Sox | Boston Red Sox signed free agent RHP Barbaro Pinero to a minor league contract. |
| Sep 5, 2019 | Signed as free agent | Juan Caba | — | Miami Marlins | Miami Marlins signed free agent LHP Juan Caba to a minor league contract. |
| Sep 4, 2019 | Signed as free agent | Lesther Medrano | — | Los Angeles Dodgers | Los Angeles Dodgers signed free agent RHP Lesther Medrano to a minor league contract. |
| Sep 4, 2019 | Signed as free agent | Marlyn Almonte | — | St. Louis Cardinals | St. Louis Cardinals signed free agent RHP Marlyn Almonte to a minor league contract. |
| Sep 4, 2019 | Signed as free agent | Manuel De La Rosa | — | Tampa Bay Rays | Tampa Bay Rays signed free agent LHP Manuel De La Rosa to a minor league contract. |
| Sep 4, 2019 | Signed as free agent | Samuel Mejia | — | Tampa Bay Rays | Tampa Bay Rays signed free agent RHP Samuel Mejia to a minor league contract. |
| Sep 4, 2019 | Signed as free agent | Enger Castellano | — | New York Yankees | New York Yankees signed free agent 3B Enger Castellano to a minor league contract. |
| Sep 3, 2019 | Released | Ryan Carpenter | — | Detroit Tigers | Detroit Tigers released LHP Ryan Carpenter. |
| Sep 3, 2019 | Signed as free agent | Nelson Aranguren | — | Cleveland Guardians | Cleveland Indians signed free agent C Nelson Aranguren to a minor league contract. |
| Sep 3, 2019 | Signed as free agent | Oscar Cedeno | — | Cleveland Guardians | Cleveland Indians signed free agent SS Oscar Cedeno to a minor league contract. |
| Sep 3, 2019 | Signed as free agent | Jose Heredia | — | New York Yankees | New York Yankees signed free agent C Jose Heredia to a minor league contract. |
| Sep 2, 2019 | Released | Drew Anderson | — | Philadelphia Phillies | Philadelphia Phillies released RHP Drew Anderson. |
| Sep 2, 2019 | Signed as free agent | Emilio Taveras | — | Cleveland Guardians | Cleveland Indians signed free agent C Emilio Taveras to a minor league contract. |
| Sep 2, 2019 | Signed as free agent | Miguel Hernandez | — | Kansas City Royals | Kansas City Royals signed free agent RHP Miguel Hernandez to a minor league contract. |
| Sep 2, 2019 | Signed as free agent | Sebastian Perrone | — | New York Yankees | New York Yankees signed free agent RHP Sebastian Perrone to a minor league contract. |
| Sep 2, 2019 | Signed as free agent | Franklin Corniel | — | New York Yankees | New York Yankees signed free agent RHP Franklin Corniel to a minor league contract. |
| Sep 1, 2019 | Trade | Edisson Gonzalez | Tampa Bay Rays | Toronto Blue Jays | Tampa Bay Rays traded RHP Curtis Taylor and RHP Edisson Gonzalez to Toronto Blue Jays. |
| Sep 1, 2019 | Released | Jeremy Jeffress | — | Milwaukee Brewers | Milwaukee Brewers released RHP Jeremy Jeffress. |
| Sep 1, 2019 | Signed as free agent | Rubén Tejada | — | New York Mets | New York Mets signed free agent 2B Ruben Tejada to a minor league contract. |
| Sep 1, 2019 | Trade | Brenny Escanio | Milwaukee Brewers | New York Yankees | New York Yankees traded RHP J.P. Feyereisen to Milwaukee Brewers for cash and SS Brenny Escanio. |
| Sep 1, 2019 | Signed as free agent | José Briceño | — | Los Angeles Angels | Los Angeles Angels signed free agent C Jose Briceno to a minor league contract. |
| Aug 31, 2019 | Trade | Caleb Thielbar | Detroit Tigers | Atlanta Braves | Detroit Tigers traded LHP Caleb Thielbar to Atlanta Braves. |
| Aug 31, 2019 | Trade | Ryan McBroom | New York Yankees | Kansas City Royals | New York Yankees traded 1B Ryan McBroom to Kansas City Royals for Future Considerations. |
| Aug 31, 2019 | Signed as free agent | Jhoulys Chacín | — | Boston Red Sox | Boston Red Sox signed free agent RHP Jhoulys Chacin to a minor league contract. |
| Aug 31, 2019 | Signed as free agent | Danny Coulombe | — | New York Yankees | New York Yankees signed free agent LHP Danny Coulombe to a minor league contract. |
| Aug 31, 2019 | Signed as free agent | Manuel Palencia | — | New York Yankees | New York Yankees signed free agent C Manuel Palencia to a minor league contract. |
| Aug 31, 2019 | Signed as free agent | Darwin Castillo | — | New York Yankees | New York Yankees signed free agent SS Darwin Castillo to a minor league contract. |
| Aug 31, 2019 | Signed as free agent | Jose Guzman | — | New York Yankees | New York Yankees signed free agent RHP Jose Guzman to a minor league contract. |
| Aug 30, 2019 | Signed as free agent | Ryan Lavarnway | — | Cleveland Guardians | Cleveland Indians signed free agent C Ryan Lavarnway to a minor league contract. |
| Aug 30, 2019 | Signed as free agent | Wilder Zapata | — | Cincinnati Reds | Cincinnati Reds signed free agent RHP Wilder Zapata to a minor league contract. |
| Aug 30, 2019 | Signed as free agent | Videlson Vargas | — | Cincinnati Reds | Cincinnati Reds signed free agent RHP Videlson Vargas to a minor league contract. |
| Aug 30, 2019 | Signed as free agent | Franklin Castillo | — | Tampa Bay Rays | Tampa Bay Rays signed free agent LHP Franklin Castillo to a minor league contract. |
| Aug 30, 2019 | Signed as free agent | Miguel Ugueto | — | Boston Red Sox | Boston Red Sox signed free agent OF Miguel Ugueto to a minor league contract. |
| Aug 30, 2019 | Signed as free agent | Heiron Montalban | — | Pittsburgh Pirates | Pittsburgh Pirates signed free agent OF Heiron Montalban to a minor league contract. |
| Aug 29, 2019 | Signed as free agent | Johnny Davis | — | Tampa Bay Rays | Tampa Bay Rays signed free agent OF Johnny Davis to a minor league contract. |
| Aug 29, 2019 | Signed as free agent | Jhon Diaz | — | Tampa Bay Rays | Tampa Bay Rays signed free agent OF Jhon Diaz to a minor league contract. |
| Aug 28, 2019 | Released | Drew Robinson | — | St. Louis Cardinals | St. Louis Cardinals released CF Drew Robinson. |
| Aug 28, 2019 | Signed as free agent | Cliyano Nahr | — | Los Angeles Dodgers | Los Angeles Dodgers signed free agent OF Cliyano Nahr to a minor league contract. |
| Aug 27, 2019 | Released | Scooter Gennett | — | San Francisco Giants | San Francisco Giants released 2B Scooter Gennett. |
| Aug 27, 2019 | Released | Rubén Tejada | — | New York Mets | New York Mets released 2B Ruben Tejada. |
| Aug 27, 2019 | Signed as free agent | Javier Armas | — | Los Angeles Dodgers | Los Angeles Dodgers signed free agent SS Javier Armas to a minor league contract. |
| Aug 26, 2019 | Released | Jhoulys Chacín | — | Milwaukee Brewers | Milwaukee Brewers released RHP Jhoulys Chacin. |
| Aug 26, 2019 | Signed as free agent | Josh Lucas | — | Washington Nationals | Washington Nationals signed free agent RHP Josh Lucas to a minor league contract. |
| Aug 26, 2019 | Released | Nick Kingham | — | Toronto Blue Jays | Toronto Blue Jays released RHP Nick Kingham. |
| Aug 26, 2019 | Signed as free agent | Domingo Acevedo | — | New York Yankees | New York Yankees signed free agent RHP Domingo Acevedo to a minor league contract. |
| Aug 26, 2019 | Signed as free agent | Jesus Fernandez | — | Houston Astros | Houston Astros signed free agent IF Jesus Fernandez to a minor league contract. |
| Aug 25, 2019 | Signed as free agent | Ricardo Alfaro | — | New York Yankees | New York Yankees signed free agent RHP Ricardo Alfaro to a minor league contract. |
| Aug 24, 2019 | Signed as free agent | Matt Wotherspoon | — | Detroit Tigers | Detroit Tigers signed free agent RHP Matt Wotherspoon to a minor league contract. |
| Aug 24, 2019 | Signed as free agent | Francisco Cervelli | — | Atlanta Braves | Atlanta Braves signed free agent C Francisco Cervelli. |
| Aug 24, 2019 | Signed as free agent | Victor Arias | — | Toronto Blue Jays | Toronto Blue Jays signed free agent CF Victor Arias to a minor league contract. |
| Aug 24, 2019 | Signed as free agent | Jorge Chirinos | — | Los Angeles Angels | Los Angeles Angels signed free agent C Jorge Chirinos to a minor league contract. |
| Aug 24, 2019 | Signed as free agent | Ernesto Borges | — | New York Yankees | New York Yankees signed free agent RHP Ernesto Borges to a minor league contract. |
| Aug 23, 2019 | Signed as free agent | Jake Buchanan | — | Washington Nationals | Washington Nationals signed free agent RHP Jake Buchanan to a minor league contract. |
| Aug 23, 2019 | Released | Domingo Acevedo | — | New York Yankees | New York Yankees released RHP Domingo Acevedo. |
| Aug 23, 2019 | Signed as free agent | Bryan Magdaleno | — | Texas Rangers | Texas Rangers signed free agent LHP Bryan Magdaleno to a minor league contract. |
| Aug 23, 2019 | Signed as free agent | Ronny Polanco | — | Arizona Diamondbacks | Arizona Diamondbacks signed free agent 3B Ronny Polanco to a minor league contract. |
| Aug 22, 2019 | Released | Francisco Cervelli | — | Pittsburgh Pirates | Pittsburgh Pirates released C Francisco Cervelli. |
| Aug 22, 2019 | Released | Brady Rodgers | — | Houston Astros | Houston Astros released RHP Brady Rodgers. |
| Aug 22, 2019 | Signed as free agent | Luke Sommerfeld | — | Detroit Tigers | Detroit Tigers signed free agent RHP Luke Sommerfeld to a minor league contract. |
| Aug 22, 2019 | Signed as free agent | Wilmer Hernandez | — | Cleveland Guardians | Cleveland Indians signed free agent C Wilmer Hernandez to a minor league contract. |
| Aug 21, 2019 | Signed as free agent | Sam Freeman | — | Washington Nationals | Washington Nationals signed free agent LHP Sam Freeman to a minor league contract. |
| Aug 21, 2019 | Signed as free agent | Brayan Aquino | — | Toronto Blue Jays | Toronto Blue Jays signed free agent RHP Brayan Aquino to a minor league contract. |
| Aug 20, 2019 | Released | Marco Estrada | — | Athletics | Oakland Athletics released RHP Marco Estrada. |
| Aug 20, 2019 | Signed as free agent | Jake Brentz | — | Kansas City Royals | Kansas City Royals signed free agent LHP Jake Brentz to a minor league contract. |
| Aug 20, 2019 | Signed as free agent | Diego Navarro | — | Cleveland Guardians | Cleveland Indians signed free agent RHP Diego Navarro to a minor league contract. |
| Aug 19, 2019 | Signed as free agent | Adrian Guzman | — | Minnesota Twins | Minnesota Twins signed free agent RHP Adrian Guzman to a minor league contract. |
| Aug 19, 2019 | Signed as free agent | Eric Jones | — | Minnesota Twins | Minnesota Twins signed free agent C Eric Jones to a minor league contract. |
| Aug 19, 2019 | Signed as free agent | Freilin Cabrera | — | Miami Marlins | Miami Marlins signed free agent SS Freilin Cabrera to a minor league contract. |
| Aug 19, 2019 | Signed as free agent | Geury Pena | — | Seattle Mariners | Seattle Mariners signed free agent C Geury Pena to a minor league contract. |
| Aug 19, 2019 | Signed as free agent | Carlos Sarmiento | — | Athletics | Oakland Athletics signed free agent LHP Carlos Sarmiento to a minor league contract. |
| Aug 18, 2019 | Signed as free agent | Eduardo Vera | — | Washington Nationals | Washington Nationals signed free agent RHP Eduardo Vera to a minor league contract. |
| Aug 18, 2019 | Signed as free agent | Trevor Rosenthal | — | New York Yankees | New York Yankees signed free agent RHP Trevor Rosenthal to a minor league contract. |
| Aug 17, 2019 | Signed as free agent | Matt Harvey | — | Athletics | Oakland Athletics signed free agent RHP Matt Harvey to a minor league contract. |
| Aug 17, 2019 | Signed as free agent | Yujanyer Herrera | — | Milwaukee Brewers | Milwaukee Brewers signed free agent RHP Yujanyer Herrera to a minor league contract. |
| Aug 17, 2019 | Signed as free agent | Steven Sanchez | — | Seattle Mariners | Seattle Mariners signed free agent RHP Steven Sanchez to a minor league contract. |
| Aug 16, 2019 | Signed as free agent | Tyler Austin | — | Milwaukee Brewers | Milwaukee Brewers signed free agent 1B Tyler Austin to a minor league contract. |
| Aug 16, 2019 | Signed as free agent | Adeiny Hechavarría | — | Atlanta Braves | Atlanta Braves signed free agent 2B Adeiny Hechavarria. |
| Aug 16, 2019 | Signed as free agent | Cal Hehnke | — | Texas Rangers | Texas Rangers signed free agent RHP Cal Hehnke to a minor league contract. |
| Aug 16, 2019 | Signed as free agent | Alex Carrillo | — | Texas Rangers | Texas Rangers signed free agent RHP Alex Carrillo to a minor league contract. |
| Aug 16, 2019 | Signed as free agent | Willie Estrada | — | Philadelphia Phillies | Philadelphia Phillies signed free agent C Willie Estrada to a minor league contract. |
| Aug 16, 2019 | Signed as free agent | Jose Estrada | — | Texas Rangers | Texas Rangers signed free agent RHP Jose Estrada to a minor league contract. |
| Aug 15, 2019 | Signed as free agent | Tyler Lyons | — | New York Yankees | New York Yankees signed free agent LHP Tyler Lyons to a minor league contract. |
| Aug 15, 2019 | Released | Chris Iannetta | — | Colorado Rockies | Colorado Rockies released C Chris Iannetta. |
| Aug 15, 2019 | Signed as free agent | Tyler Matzek | — | Atlanta Braves | Atlanta Braves signed free agent LHP Tyler Matzek to a minor league contract. |
| Aug 15, 2019 | Signed as free agent | Newremberg Rondon | — | Detroit Tigers | Detroit Tigers signed free agent C Newremberg Rondon to a minor league contract. |
| Aug 15, 2019 | Signed as free agent | Alexsson Da Silva | — | Detroit Tigers | Detroit Tigers signed free agent RHP Alexsson Da Silva to a minor league contract. |
| Aug 15, 2019 | Signed as free agent | Luis Bellorin | — | Detroit Tigers | Detroit Tigers signed free agent RHP Luis Bellorin to a minor league contract. |
| Aug 15, 2019 | Signed as free agent | Moises Valero | — | Detroit Tigers | Detroit Tigers signed free agent C Moises Valero to a minor league contract. |
| Aug 15, 2019 | Signed as free agent | Abraham Landaeta | — | Detroit Tigers | Detroit Tigers signed free agent RHP Abraham Landaeta to a minor league contract. |
| Aug 15, 2019 | Signed as free agent | Juan Espana | — | New York Yankees | New York Yankees signed free agent RHP Juan Espana to a minor league contract. |
| Aug 15, 2019 | Signed as free agent | Oscar Silverio | — | New York Yankees | New York Yankees signed free agent C Oscar Silverio to a minor league contract. |
| Aug 14, 2019 | Released | Adeiny Hechavarría | — | New York Mets | New York Mets released 2B Adeiny Hechavarria. |
| Aug 14, 2019 | Signed as free agent | Carlos Moreno | — | Milwaukee Brewers | Milwaukee Brewers signed free agent IF Carlos Moreno to a minor league contract. |
| Aug 14, 2019 | Signed as free agent | Francis Olantilo | — | Pittsburgh Pirates | Pittsburgh Pirates signed free agent RHP Francis Olantilo to a minor league contract. |
| Aug 13, 2019 | Signed as free agent | Nick Howard | — | Kansas City Royals | Kansas City Royals signed free agent RHP Nick Howard to a minor league contract. |
| Aug 13, 2019 | Released | Daniel Camarena | — | New York Yankees | New York Yankees released LHP Daniel Camarena. |
| Aug 13, 2019 | Signed as free agent | Nick Hundley | — | Philadelphia Phillies | Philadelphia Phillies signed free agent C Nick Hundley to a minor league contract. |
| Aug 13, 2019 | Signed as free agent | Isaul Paez | — | Los Angeles Dodgers | Los Angeles Dodgers signed free agent RHP Isaul Paez to a minor league contract. |
| Aug 13, 2019 | Signed as free agent | Donovan Antonia | — | Cincinnati Reds | Cincinnati Reds signed free agent C Donovan Antonia to a minor league contract. |
| Aug 13, 2019 | Signed as free agent | Gabriel Ojeda | — | Philadelphia Phillies | Philadelphia Phillies signed free agent C Gabriel Ojeda to a minor league contract. |
| Aug 13, 2019 | Signed as free agent | Andy Luis | — | Washington Nationals | Washington Nationals signed free agent SS Andy Luis to a minor league contract. |
| Aug 13, 2019 | Signed as free agent | Sandy Báez | — | Detroit Tigers | Detroit Tigers signed free agent RHP Sandy Baez to a minor league contract. |
| Aug 12, 2019 | Signed as free agent | Brendan McGuigan | — | Seattle Mariners | Seattle Mariners signed free agent RHP Brendan McGuigan to a minor league contract. |
| Aug 12, 2019 | Signed as free agent | Greg Holland | — | Washington Nationals | Washington Nationals signed free agent RHP Greg Holland to a minor league contract. |
| Aug 12, 2019 | Signed as free agent | Yeily Encarnacion | — | New York Mets | New York Mets signed free agent P Yeily Encarnacion to a minor league contract. |
| Aug 12, 2019 | Signed as free agent | Stanley Encarnacion | — | Milwaukee Brewers | Milwaukee Brewers signed free agent RHP Stanley Encarnacion to a minor league contract. |
| Aug 12, 2019 | Signed as free agent | Arnys Rodriguez | — | Milwaukee Brewers | Milwaukee Brewers signed free agent SS Arnys Rodriguez to a minor league contract. |
| Aug 12, 2019 | Signed as free agent | Isaias Dipre | — | Pittsburgh Pirates | Pittsburgh Pirates signed free agent SS Isaias Dipre to a minor league contract. |
| Aug 11, 2019 | Signed as free agent | Samir Dueñez | — | Cincinnati Reds | Cincinnati Reds signed free agent 1B Samir Duenez to a minor league contract. |
| Aug 11, 2019 | Signed as free agent | Carlos Torres | — | San Francisco Giants | San Francisco Giants signed free agent RHP Carlos Torres to a minor league contract. |
| Aug 11, 2019 | Signed as free agent | Junichi Tazawa | — | Cincinnati Reds | Cincinnati Reds signed free agent RHP Junichi Tazawa to a minor league contract. |
| Aug 11, 2019 | Released | David Hernandez | — | Cincinnati Reds | Cincinnati Reds released RHP David Hernandez. |
| Aug 11, 2019 | Signed as free agent | Keshawn Rombley | — | St. Louis Cardinals | St. Louis Cardinals signed free agent CF Keshawn Rombley to a minor league contract. |
| Aug 11, 2019 | Signed as free agent | Leonard Garcia | — | Los Angeles Angels | Los Angeles Angels signed free agent LHP Leonard Garcia to a minor league contract. |
| Aug 10, 2019 | Trade | Ian Miller | Seattle Mariners | Minnesota Twins | Seattle Mariners traded CF Ian Miller to Minnesota Twins for cash. |
| Aug 10, 2019 | Signed as free agent | Nick Vincent | — | Philadelphia Phillies | Philadelphia Phillies signed free agent RHP Nick Vincent to a minor league contract. |
| Aug 10, 2019 | Signed as free agent | Ryan O'Rourke | — | Minnesota Twins | Minnesota Twins signed free agent LHP Ryan O'Rourke to a minor league contract. |
| Aug 10, 2019 | Released | David Paulino | — | Toronto Blue Jays | Toronto Blue Jays released RHP David Paulino. |
| Aug 10, 2019 | Signed as free agent | Leo Rodriguez | — | Seattle Mariners | Seattle Mariners signed free agent RHP Leo Rodriguez to a minor league contract. |
| Aug 10, 2019 | Signed as free agent | Luke McKenzie | — | Los Angeles Dodgers | Los Angeles Dodgers signed free agent OF Luke McKenzie to a minor league contract. |
| Aug 9, 2019 | Trade | Joe Mantiply | Cincinnati Reds | New York Yankees | Cincinnati Reds traded LHP Joe Mantiply to New York Yankees. |
| Aug 9, 2019 | Released | Josh Harrison | — | Detroit Tigers | Detroit Tigers released 2B Josh Harrison. |
| Aug 9, 2019 | Released | Sandy Báez | — | Detroit Tigers | Detroit Tigers released RHP Sandy Baez. |
| Aug 9, 2019 | Signed as free agent | Luis Valenzuela | — | Chicago White Sox | Chicago White Sox signed free agent SS Luis Valenzuela to a minor league contract. |
| Aug 9, 2019 | Signed as free agent | Joe Panik | — | New York Mets | New York Mets signed free agent 2B Joe Panik. |
| Aug 9, 2019 | Trade | Jose Lobatón | Seattle Mariners | Los Angeles Dodgers | Seattle Mariners traded C Jose Lobaton to Los Angeles Dodgers for cash. |
| Aug 9, 2019 | Trade | Miguel Del Pozo | Texas Rangers | Los Angeles Angels | Texas Rangers traded LHP Miguel Del Pozo to Los Angeles Angels. |
| Aug 9, 2019 | Released | Greg Holland | — | Arizona Diamondbacks | Arizona Diamondbacks released RHP Greg Holland. |
| Aug 9, 2019 | Signed as free agent | Tyler Hill | — | Kansas City Royals | Kansas City Royals signed free agent OF Tyler Hill to a minor league contract. |
| Aug 9, 2019 | Signed as free agent | Dylan Cozens | — | Tampa Bay Rays | Tampa Bay Rays signed free agent RF Dylan Cozens to a minor league contract. |
| Aug 9, 2019 | Signed as free agent | Johnathon Tripp | — | Cincinnati Reds | Cincinnati Reds signed free agent RHP Johnathon Tripp to a minor league contract. |
| Aug 9, 2019 | Signed as free agent | Amaury Pereyra | — | New York Mets | New York Mets signed free agent RHP Amaury Pereyra to a minor league contract. |
| Aug 9, 2019 | Signed as free agent | Aron Vargas | — | Texas Rangers | Texas Rangers signed free agent RHP Aron Vargas to a minor league contract. |
| Aug 9, 2019 | Signed as free agent | Jose Bolivar | — | Houston Astros | Houston Astros signed free agent RHP Jose Bolivar to a minor league contract. |
| Aug 8, 2019 | Signed as free agent | Jonathan Lucroy | — | Chicago Cubs | Chicago Cubs signed free agent C Jonathan Lucroy. |
| Aug 8, 2019 | Signed as free agent | Brad Brach | — | New York Mets | New York Mets signed free agent RHP Brad Brach. |
| Aug 8, 2019 | Released | Ben Lively | — | Arizona Diamondbacks | Arizona Diamondbacks released RHP Ben Lively. |
| Aug 8, 2019 | Signed | Noah Gotsis | — | Colorado Rockies | Colorado Rockies signed P Noah Gotsis. |
| Aug 8, 2019 | Signed | Kyle Olliges | — | Colorado Rockies | Colorado Rockies signed P Kyle Olliges. |
| Aug 8, 2019 | Signed as free agent | Ruben Castillo | — | New York Yankees | New York Yankees signed free agent RHP Ruben Castillo to a minor league contract. |
| Aug 8, 2019 | Signed as free agent | Cesar Sanchez | — | New York Yankees | New York Yankees signed free agent CF Cesar Sanchez to a minor league contract. |
| Aug 8, 2019 | Signed as free agent | Carlos Amaya | — | Athletics | Oakland Athletics signed free agent C Carlos Amaya to a minor league contract. |
| Aug 7, 2019 | Released | Joe Panik | — | San Francisco Giants | San Francisco Giants released 2B Joe Panik. |
| Aug 7, 2019 | Signed as free agent | Hunter Cervenka | — | Baltimore Orioles | Baltimore Orioles signed free agent LHP Hunter Cervenka to a minor league contract. |
| Aug 7, 2019 | Signed as free agent | Alex Wilson | — | Chicago Cubs | Chicago Cubs signed free agent RHP Alex Wilson to a minor league contract. |
| Aug 7, 2019 | Trade | Adam Moore | Texas Rangers | Kansas City Royals | Texas Rangers traded C Adam Moore to Kansas City Royals. |
| Aug 7, 2019 | Signed | Ryan Gusto | — | Houston Astros | Houston Astros signed RHP Ryan Gusto. |
| Aug 7, 2019 | Signed as free agent | Cristofer Valenzuela | — | San Francisco Giants | San Francisco Giants signed free agent RHP Cristofer Valenzuela to a minor league contract. |
| Aug 7, 2019 | Signed as free agent | Lewin De La Cruz | — | Arizona Diamondbacks | Arizona Diamondbacks signed free agent SS Lewin De La Cruz to a minor league contract. |
| Aug 7, 2019 | Signed as free agent | Johan Benitez | — | Arizona Diamondbacks | Arizona Diamondbacks signed free agent SS Johan Benitez to a minor league contract. |
| Aug 7, 2019 | Signed as free agent | Luis Joseph | — | Pittsburgh Pirates | Pittsburgh Pirates signed free agent RHP Luis Joseph to a minor league contract. |
| Aug 6, 2019 | Signed as free agent | Brad Boxberger | — | Cincinnati Reds | Cincinnati Reds signed free agent RHP Brad Boxberger to a minor league contract. |
| Aug 6, 2019 | Signed as free agent | Asdrúbal Cabrera | — | Washington Nationals | Washington Nationals signed free agent 3B Asdrubal Cabrera. |
| Aug 6, 2019 | Signed as free agent | Michael O'Neill | — | Cincinnati Reds | Cincinnati Reds signed free agent OF Michael O'Neill to a minor league contract. |
| Aug 6, 2019 | Signed as free agent | Neil Ramírez | — | Toronto Blue Jays | Toronto Blue Jays signed free agent RHP Neil Ramirez to a minor league contract. |
| Aug 6, 2019 | Signed | Tyler Schlaffer | — | Chicago Cubs | Chicago Cubs signed RHP Tyler Schlaffer. |
| Aug 6, 2019 | Signed as free agent | Chih-Wei Hu | — | Chicago Cubs | Chicago Cubs signed free agent RHP Chih-Wei Hu to a minor league contract. |
| Aug 6, 2019 | Signed as free agent | Darlin Pinales | — | Los Angeles Dodgers | Los Angeles Dodgers signed free agent RHP Darlin Pinales to a minor league contract. |
| Aug 6, 2019 | Signed as free agent | Erick Lopez | — | Los Angeles Dodgers | Los Angeles Dodgers signed free agent SS Erick Lopez to a minor league contract. |
| Aug 5, 2019 | Released | Jonathan Lucroy | — | Los Angeles Angels | Los Angeles Angels released C Jonathan Lucroy. |
| Aug 5, 2019 | Released | Brad Brach | — | Chicago Cubs | Chicago Cubs released RHP Brad Brach. |
| Aug 5, 2019 | Trade | Drew Hutchison | Minnesota Twins | Los Angeles Angels | Minnesota Twins traded RHP Drew Hutchison to Los Angeles Angels for cash. |
| Aug 5, 2019 | Released | Tony Sipp | — | Washington Nationals | Washington Nationals released LHP Tony Sipp. |
| Aug 5, 2019 | Signed as free agent | Noah Denoyer | — | Baltimore Orioles | Baltimore Orioles signed free agent RHP Noah Denoyer to a minor league contract. |
| Aug 5, 2019 | Signed as free agent | Dawel Rodriguez | — | Chicago Cubs | Chicago Cubs signed free agent RHP Dawel Rodriguez to a minor league contract. |
| Aug 5, 2019 | Signed as free agent | Tommy Joseph | — | Boston Red Sox | Boston Red Sox signed free agent 1B Tommy Joseph to a minor league contract. |
| Aug 5, 2019 | Signed as free agent | Johnfrank Salazar | — | Boston Red Sox | Boston Red Sox signed free agent IF Johnfrank Salazar to a minor league contract. |
| Aug 5, 2019 | Signed as free agent | Dawry Segura | — | Los Angeles Angels | Los Angeles Angels signed free agent RHP Dawry Segura to a minor league contract. |
| Aug 5, 2019 | Signed as free agent | Omar Alfonzo | — | Pittsburgh Pirates | Pittsburgh Pirates signed free agent C Omar Alfonzo to a minor league contract. |
| Aug 5, 2019 | Signed as free agent | Juan Fuentes | — | Pittsburgh Pirates | Pittsburgh Pirates signed free agent RHP Juan Fuentes to a minor league contract. |
| Aug 4, 2019 | Signed as free agent | Tim Collins | — | Cincinnati Reds | Cincinnati Reds signed free agent LHP Tim Collins to a minor league contract. |
| Aug 4, 2019 | Released | Jung Ho Kang | — | Pittsburgh Pirates | Pittsburgh Pirates released 3B Jung Ho Kang. |
| Aug 4, 2019 | Signed as free agent | Jose Leanez | — | Philadelphia Phillies | Philadelphia Phillies signed free agent OF Jose Leanez to a minor league contract. |
| Aug 3, 2019 | Signed as free agent | Mike Miller | — | Minnesota Twins | Minnesota Twins signed free agent SS Mike Miller to a minor league contract. |
| Aug 3, 2019 | Released | Asdrúbal Cabrera | — | Texas Rangers | Texas Rangers released 3B Asdrubal Cabrera. |
| Aug 3, 2019 | Signed as free agent | Ismael Luciano | — | Colorado Rockies | Colorado Rockies signed free agent RHP Ismael Luciano to a minor league contract. |
| Aug 2, 2019 | Trade | Brandon Barnes | Cleveland Guardians | Minnesota Twins | Cleveland Indians traded OF Brandon Barnes to Minnesota Twins for cash. |
| Aug 2, 2019 | Released | Luiz Gohara | — | Atlanta Braves | Atlanta Braves released LHP Luiz Gohara. |
| Aug 2, 2019 | Released | Nick Vincent | — | San Francisco Giants | San Francisco Giants released RHP Nick Vincent. |
| Aug 2, 2019 | Signed as free agent | Benjamin Dum | — | Minnesota Twins | Minnesota Twins signed free agent RHP Benjamin Dum to a minor league contract. |
| Aug 2, 2019 | Signed as free agent | Zach Weatherford | — | Cleveland Guardians | Cleveland Indians signed free agent OF Zach Weatherford to a minor league contract. |
| Aug 2, 2019 | Signed as free agent | Lucas Duda | — | Atlanta Braves | Atlanta Braves signed free agent 1B Lucas Duda to a minor league contract. |
| Aug 2, 2019 | Signed as free agent | Lane Adams | — | Atlanta Braves | Atlanta Braves signed free agent CF Lane Adams to a minor league contract. |
| Aug 2, 2019 | Signed as free agent | Javier Fuenmayor | — | Philadelphia Phillies | Philadelphia Phillies signed free agent RHP Javier Fuenmayor to a minor league contract. |
| Aug 2, 2019 | Signed as free agent | Jorge Mendez | — | Philadelphia Phillies | Philadelphia Phillies signed free agent C Jorge Mendez to a minor league contract. |
| Aug 2, 2019 | Signed as free agent | Jaylen Eichler | — | Philadelphia Phillies | Philadelphia Phillies signed free agent RHP Jaylen Eichler to a minor league contract. |
| Aug 1, 2019 | Released | Andrew Triggs | — | Athletics | Oakland Athletics released RHP Andrew Triggs. |
| Aug 1, 2019 | Released | Dylan Cozens | — | Philadelphia Phillies | Philadelphia Phillies released RF Dylan Cozens. |
| Aug 1, 2019 | Signed as free agent | Jordan George | — | Kansas City Royals | Kansas City Royals signed free agent 1B Jordan George to a minor league contract. |
| Aug 1, 2019 | Signed as free agent | Brian Ellington | — | Seattle Mariners | Seattle Mariners signed free agent RHP Brian Ellington to a minor league contract. |
| Aug 1, 2019 | Signed as free agent | Luis Berelleza | — | Chicago Cubs | Chicago Cubs signed free agent OF Luis Berelleza to a minor league contract. |
| Aug 1, 2019 | Signed as free agent | Justin Haley | — | San Francisco Giants | San Francisco Giants signed free agent RHP Justin Haley to a minor league contract. |
| Aug 1, 2019 | Signed as free agent | Octavio Becerra | — | Los Angeles Dodgers | Los Angeles Dodgers signed free agent LHP Octavio Becerra to a minor league contract. |
| Aug 1, 2019 | Signed as free agent | Carlos Rojas | — | Los Angeles Dodgers | Los Angeles Dodgers signed free agent C Carlos Rojas to a minor league contract. |
| Aug 1, 2019 | Signed as free agent | Kristian Cardozo | — | Seattle Mariners | Seattle Mariners signed free agent RHP Kristian Cardozo to a minor league contract. |
| Jul 31, 2019 | Trade | Trevor Bauer | Cleveland Guardians | Cincinnati Reds | Cincinnati Reds Traded CF Taylor Trammell to San Diego Padres; San Diego Padres Traded RF Franmil Reyes, LHP Logan Allen and 3B Victor Nova to Cleveland Indians; Cincinnati Reds Traded LHP Scott Moss and RF Yasiel Puig to Cleveland Indians and Cleveland Indians Traded RHP Trevor Bauer to Cincinnati Reds. |
| Jul 31, 2019 | Trade | Joseph Jarneski | Texas Rangers | Chicago White Sox | Chicago White Sox traded Nate Jones, cash and Future Considerations to Texas Rangers for RHP Joseph Jarneski and Ray Castro. |
| Jul 31, 2019 | Trade | Jameson Hannah | Athletics | Cincinnati Reds | Oakland Athletics traded CF Jameson Hannah to Cincinnati Reds. |
| Jul 31, 2019 | Trade | Martín Maldonado | Chicago Cubs | Houston Astros | Houston Astros traded CF Tony Kemp to Chicago Cubs for Martin Maldonado. |
| Jul 31, 2019 | Trade | Tanner Roark | Cincinnati Reds | Athletics | Cincinnati Reds traded RHP Tanner Roark to Oakland Athletics. |
| Jul 31, 2019 | Trade | Zac Gallen | Miami Marlins | Arizona Diamondbacks | Miami Marlins traded RHP Zac Gallen to Arizona Diamondbacks. |
| Jul 31, 2019 | Trade | Jazz Chisholm Jr. | Arizona Diamondbacks | Miami Marlins | Arizona Diamondbacks traded SS Jazz Chisholm to Miami Marlins. |
| Jul 31, 2019 | Trade | Kyle Johnston | Washington Nationals | Toronto Blue Jays | Washington Nationals traded RHP Kyle Johnston to Toronto Blue Jays. |
| Jul 31, 2019 | Trade | Daniel Hudson | Toronto Blue Jays | Washington Nationals | Toronto Blue Jays traded RHP Daniel Hudson to Washington Nationals. |
| Jul 31, 2019 | Trade | Corey Dickerson | Pittsburgh Pirates | Philadelphia Phillies | Pittsburgh Pirates traded LF Corey Dickerson to Philadelphia Phillies. |
| Jul 31, 2019 | Trade | Alfredo Garcia | Colorado Rockies | New York Yankees | Colorado Rockies traded LHP Alfredo Garcia to New York Yankees for RHP Joe Harvey. |
| Jul 31, 2019 | Trade | Jesús Aguilar | Milwaukee Brewers | Tampa Bay Rays | Tampa Bay Rays traded RHP Jake Faria to Milwaukee Brewers for 1B Jesus Aguilar. |
| Jul 31, 2019 | Trade | Elvis Alvarado | Washington Nationals | Seattle Mariners | Washington Nationals traded LHP Aaron Fletcher, RHP Elvis Alvarado and LHP Taylor Guilbeau to Seattle Mariners for RHP Hunter Strickland and LHP Roenis Elias. |
| Jul 31, 2019 | Trade | Adam Kolarek | Tampa Bay Rays | Los Angeles Dodgers | Tampa Bay Rays traded LHP Adam Kolarek to Los Angeles Dodgers for RF Niko Hulsizer. |
| Jul 31, 2019 | Trade | Jedd Gyorko | St. Louis Cardinals | Los Angeles Dodgers | St. Louis Cardinals traded 3B Jedd Gyorko, cash and Future Considerations to Los Angeles Dodgers for LHP Tony Cingrani and RHP Jeffry Abreu. |
| Jul 31, 2019 | Trade | Scooter Gennett | Cincinnati Reds | San Francisco Giants | Cincinnati Reds traded 2B Scooter Gennett and cash to San Francisco Giants for Player To Be Named Later. |
| Jul 31, 2019 | Trade | John Ryan Murphy | Arizona Diamondbacks | Atlanta Braves | Arizona Diamondbacks traded C John Ryan Murphy to Atlanta Braves for cash. |
| Jul 31, 2019 | Trade | Shane Greene | Detroit Tigers | Atlanta Braves | Detroit Tigers traded RHP Shane Greene to Atlanta Braves for LHP Joey Wentz and LF Travis Demeritte. |
| Jul 31, 2019 | Trade | Brad Wieck | San Diego Padres | Chicago Cubs | San Diego Padres traded LHP Brad Wieck to Chicago Cubs for RHP Carl Edwards Jr.. |
| Jul 31, 2019 | Trade | Alex Lange | Chicago Cubs | Detroit Tigers | Detroit Tigers traded RF Nicholas Castellanos to Chicago Cubs for RHP Alex Lange and RHP Paul Richan. |
| Jul 31, 2019 | Trade | Tristan Beck | Atlanta Braves | San Francisco Giants | San Francisco Giants traded RHP Mark Melancon to Atlanta Braves for RHP Dan Winkler and RHP Tristan Beck. |
| Jul 31, 2019 | Trade | José Caballero | Arizona Diamondbacks | Seattle Mariners | Seattle Mariners traded RHP Mike Leake and cash to Arizona Diamondbacks for 2B Jose Caballero. |
| Jul 31, 2019 | Trade | Sam Dyson | San Francisco Giants | Minnesota Twins | San Francisco Giants traded RHP Sam Dyson to Minnesota Twins for RF Jaylin Davis, RHP Kai-Wei Teng and RHP Prelander Berroa. |
| Jul 31, 2019 | Trade | Jesús Sánchez | Tampa Bay Rays | Miami Marlins | Miami Marlins traded RHP Nick Anderson and RHP Trevor Richards to Tampa Bay Rays for RF Jesus Sanchez and RHP Ryne Stanek. |
| Jul 31, 2019 | Trade | Derek Fisher | Houston Astros | Toronto Blue Jays | Houston Astros traded RF Derek Fisher to Toronto Blue Jays for RHP Aaron Sanchez, LF Cal Stevenson and RHP Joe Biagini. |
| Jul 31, 2019 | Trade | Corbin Martin | Houston Astros | Arizona Diamondbacks | Arizona Diamondbacks traded RHP Zack Greinke and cash to Houston Astros for RHP Corbin Martin, RHP J.B. Bukauskas, 3B Josh Rojas and LF Seth Beer. |
| Jul 31, 2019 | Trade | Raider Uceta | Los Angeles Angels | Houston Astros | Houston Astros traded C Max Stassi to Los Angeles Angels for RF Raider Uceta and RF Rainier Rivas. |
| Jul 31, 2019 | Trade | Dan Straily | Baltimore Orioles | Philadelphia Phillies | Baltimore Orioles traded RHP Dan Straily to Philadelphia Phillies for cash. |
| Jul 31, 2019 | Trade | Joe McCarthy | Tampa Bay Rays | San Francisco Giants | Tampa Bay Rays traded LF Joe McCarthy to San Francisco Giants for LHP Jacob Lopez. |
| Jul 31, 2019 | Trade | Drew Pomeranz | San Francisco Giants | Milwaukee Brewers | San Francisco Giants traded LHP Drew Pomeranz and RHP Ray Black to Milwaukee Brewers for SS Mauricio Dubon. |
| Jul 31, 2019 | Trade | Marcos Diplán | Milwaukee Brewers | Minnesota Twins | Milwaukee Brewers traded RHP Marcos Diplan to Minnesota Twins for cash. |
| Jul 31, 2019 | Trade | Jimmy Herron | Chicago Cubs | Colorado Rockies | Chicago Cubs traded CF Jimmy Herron to Colorado Rockies for cash. |
| Jul 31, 2019 | Trade | Rocky Gale | Los Angeles Dodgers | Tampa Bay Rays | Los Angeles Dodgers traded C Rocky Gale to Tampa Bay Rays. |
| Jul 31, 2019 | Signed as free agent | Nathan Patterson | — | Athletics | Oakland Athletics signed free agent RHP Nathan Patterson to a minor league contract. |
| Jul 31, 2019 | Signed as free agent | Luis Gutierrez | — | San Diego Padres | San Diego Padres signed free agent LHP Luis Gutierrez to a minor league contract. |
| Jul 31, 2019 | Signed as free agent | Bladimir Lopez | — | Colorado Rockies | Colorado Rockies signed free agent RHP Bladimir Lopez to a minor league contract. |
| Jul 30, 2019 | Trade | David Phelps | Toronto Blue Jays | Chicago Cubs | Toronto Blue Jays traded RHP David Phelps and cash to Chicago Cubs for RHP Thomas Hatch. |
| Jul 30, 2019 | Released | Carlos Torres | — | Minnesota Twins | Minnesota Twins released RHP Carlos Torres. |
| Jul 30, 2019 | Signed as free agent | Erich Weiss | — | Kansas City Royals | Kansas City Royals signed free agent 1B Erich Weiss to a minor league contract. |
| Jul 30, 2019 | Signed as free agent | Tyler Thornburg | — | Los Angeles Dodgers | Los Angeles Dodgers signed free agent RHP Tyler Thornburg to a minor league contract. |
| Jul 30, 2019 | Signed as free agent | Blake Parker | — | Philadelphia Phillies | Philadelphia Phillies signed free agent RHP Blake Parker. |
| Jul 30, 2019 | Trade | Kolby Allard | Atlanta Braves | Texas Rangers | Texas Rangers traded RHP Chris Martin to Atlanta Braves for LHP Kolby Allard. |
| Jul 29, 2019 | Trade | Daniel Castro | Los Angeles Dodgers | Seattle Mariners | Seattle Mariners traded 2B Kristopher Negron to Los Angeles Dodgers for SS Daniel Castro. |
| Jul 29, 2019 | Trade | Jordan Lyles | Pittsburgh Pirates | Milwaukee Brewers | Pittsburgh Pirates traded RHP Jordan Lyles to Milwaukee Brewers for RHP Cody Ponce. |
| Jul 29, 2019 | Trade | Jason Vargas | New York Mets | Philadelphia Phillies | New York Mets traded LHP Jason Vargas to Philadelphia Phillies for C Austin Bossart. |
| Jul 29, 2019 | Trade | Zac Rosscup | Los Angeles Dodgers | St. Louis Cardinals | Los Angeles Dodgers traded LHP Zac Rosscup to St. Louis Cardinals for cash. |
| Jul 29, 2019 | Signed | Zach Guth | — | Colorado Rockies | Colorado Rockies signed LHP Zach Guth. |
| Jul 29, 2019 | Signed as free agent | Luis Vizcaino | — | Miami Marlins | Miami Marlins signed free agent RHP Luis Vizcaino to a minor league contract. |
| Jul 29, 2019 | Signed as free agent | Willy Vasquez | — | Tampa Bay Rays | Tampa Bay Rays signed free agent C Willy Vasquez to a minor league contract. |
| Jul 29, 2019 | Signed as free agent | Alexis Hernandez | — | Boston Red Sox | Boston Red Sox signed free agent OF Alexis Hernandez to a minor league contract. |
| Jul 29, 2019 | Signed as free agent | Jhonny Perdomo | — | Kansas City Royals | Kansas City Royals signed free agent SS Jhonny Perdomo to a minor league contract. |
| Jul 29, 2019 | Signed as free agent | Franyelson Rodriguez | — | Athletics | Oakland Athletics signed free agent RHP Franyelson Rodriguez to a minor league contract. |
| Jul 28, 2019 | Signed as free agent | Jordan Guerrero | — | Miami Marlins | Miami Marlins signed free agent LHP Jordan Guerrero to a minor league contract. |
| Jul 28, 2019 | Trade | Ian Gibaut | Tampa Bay Rays | Texas Rangers | Tampa Bay Rays traded RHP Ian Gibaut to Texas Rangers for Player To Be Named Later. |
| Jul 28, 2019 | Released | Lucas Duda | — | Kansas City Royals | Kansas City Royals released 1B Lucas Duda. |
| Jul 28, 2019 | Trade | Ruben Cardenas | Cleveland Guardians | Tampa Bay Rays | Tampa Bay Rays traded RHP Hunter Wood and 3B Christian Arroyo to Cleveland Indians for RF Ruben Cardenas and Future Considerations. |
| Jul 28, 2019 | Trade | Eric Sogard | Toronto Blue Jays | Tampa Bay Rays | Toronto Blue Jays traded 2B Eric Sogard to Tampa Bay Rays for Player To Be Named Later and Player To Be Named Later. |
| Jul 28, 2019 | Trade | Simeon Woods Richardson | New York Mets | Toronto Blue Jays | Toronto Blue Jays traded RHP Marcus Stroman and cash to New York Mets for LHP Anthony Kay and RHP Simeon Woods Richardson. |
| Jul 27, 2019 | Trade | Jake Diekman | Kansas City Royals | Athletics | Kansas City Royals traded LHP Jake Diekman to Oakland Athletics for Dairon Blanco and Ismael Aquino. |
| Jul 27, 2019 | Released | Nick Hundley | — | Athletics | Oakland Athletics released C Nick Hundley. |
| Jul 27, 2019 | Trade | José Pirela | San Diego Padres | Philadelphia Phillies | San Diego Padres traded LF Jose Pirela to Philadelphia Phillies for cash. |
| Jul 27, 2019 | Trade | Lewin Díaz | Minnesota Twins | Miami Marlins | Miami Marlins traded RHP Sergio Romo, RHP Chris Vallimont and Player To Be Named Later to Minnesota Twins for 1B Lewin Diaz. |
| Jul 27, 2019 | Signed as free agent | Michael Valera | — | Boston Red Sox | Boston Red Sox signed free agent P Michael Valera to a minor league contract. |
| Jul 27, 2019 | Signed as free agent | Vladimir Davila | — | Cincinnati Reds | Cincinnati Reds signed free agent RHP Vladimir Davila to a minor league contract. |
| Jul 27, 2019 | Signed as free agent | Cesar Soto | — | Boston Red Sox | Boston Red Sox signed free agent RHP Cesar Soto to a minor league contract. |
| Jul 26, 2019 | Trade | Derek Holland | San Francisco Giants | Chicago Cubs | San Francisco Giants traded LHP Derek Holland to Chicago Cubs. |
| Jul 26, 2019 | Released | Seunghwan Oh | — | Colorado Rockies | Colorado Rockies released RHP Seunghwan Oh. |
| Jul 26, 2019 | Released | Mark Reynolds | — | Colorado Rockies | Colorado Rockies released 1B Mark Reynolds. |
| Jul 26, 2019 | Signed as free agent | Erinson Escoboza | — | Los Angeles Angels | Los Angeles Angels signed free agent RHP Erinson Escoboza to a minor league contract. |
| Jul 26, 2019 | Signed as free agent | Pedro Figuereo | — | Pittsburgh Pirates | Pittsburgh Pirates signed free agent SS Pedro Figuereo to a minor league contract. |
| Jul 25, 2019 | Trade | Brian Navarreto | Minnesota Twins | New York Yankees | Minnesota Twins traded C Brian Navarreto to New York Yankees. |
| Jul 25, 2019 | Trade | Tyler White | Houston Astros | Los Angeles Dodgers | Houston Astros traded 1B Tyler White to Los Angeles Dodgers for RHP Andre Scrubb. |
| Jul 25, 2019 | Signed as free agent | Jake Thompson | — | Detroit Tigers | Detroit Tigers signed free agent RHP Jake Thompson to a minor league contract. |
| Jul 25, 2019 | Trade | Shane Carle | Atlanta Braves | Texas Rangers | Atlanta Braves traded RHP Shane Carle to Texas Rangers for cash. |
| Jul 25, 2019 | Trade | Jeremy Bleich | Boston Red Sox | Minnesota Twins | Minnesota Twins traded cash to Boston Red Sox for LHP Jeremy Bleich. |
| Jul 25, 2019 | Signed as free agent | Jose Ochoa | — | Detroit Tigers | Detroit Tigers signed free agent OF Jose Ochoa to a minor league contract. |
| Jul 25, 2019 | Signed as free agent | Nicolandy Mejia | — | New York Mets | New York Mets signed free agent RHP Nicolandy Mejia to a minor league contract. |
| Jul 24, 2019 | Signed as free agent | Sem Robberse | — | Toronto Blue Jays | Toronto Blue Jays signed free agent RHP Sem Robberse to a minor league contract. |
| Jul 24, 2019 | Signed as free agent | Jiorgeny Casimiri | — | Toronto Blue Jays | Toronto Blue Jays signed free agent RHP Jiorgeny Casimiri to a minor league contract. |
| Jul 24, 2019 | Signed as free agent | Willians Gonzalez | — | Kansas City Royals | Kansas City Royals signed free agent C Willians Gonzalez to a minor league contract. |
| Jul 24, 2019 | Signed as free agent | Juan Santos | — | Pittsburgh Pirates | Pittsburgh Pirates signed free agent RHP Juan Santos to a minor league contract. |
| Jul 24, 2019 | Signed as free agent | Lewys Guzman | — | Pittsburgh Pirates | Pittsburgh Pirates signed free agent RHP Lewys Guzman to a minor league contract. |
| Jul 24, 2019 | Signed as free agent | Jose Vasquez | — | Pittsburgh Pirates | Pittsburgh Pirates signed free agent LHP Jose Vasquez to a minor league contract. |
| Jul 23, 2019 | Signed as free agent | Francisco Arcia | — | New York Yankees | New York Yankees signed free agent C Francisco Arcia to a minor league contract. |
| Jul 23, 2019 | Signed as free agent | Pedro Rodriguez | — | New York Yankees | New York Yankees signed free agent LHP Pedro Rodriguez to a minor league contract. |
| Jul 22, 2019 | Signed as free agent | Darvin Garcia | — | Pittsburgh Pirates | Pittsburgh Pirates signed free agent RHP Darvin Garcia to a minor league contract. |
| Jul 22, 2019 | Signed | Angel Duarte | — | Los Angeles Angels | Los Angeles Angels signed RHP Angel Duarte. |
| Jul 22, 2019 | Signed as free agent | Denis Portes | — | Los Angeles Dodgers | Los Angeles Dodgers signed free agent RHP Denis Portes to a minor league contract. |
| Jul 22, 2019 | Signed as free agent | Anderson Feliz | — | Chicago Cubs | Chicago Cubs signed free agent RHP Anderson Feliz to a minor league contract. |
| Jul 22, 2019 | Signed | Porter Hodge | — | Chicago Cubs | Chicago Cubs signed RHP Porter Hodge. |
| Jul 22, 2019 | Signed as free agent | Brian McKenna | — | Miami Marlins | Miami Marlins signed free agent RHP Brian McKenna to a minor league contract. |
| Jul 22, 2019 | Signed as free agent | Pedro Garcia | — | Cincinnati Reds | Cincinnati Reds signed free agent RHP Pedro Garcia to a minor league contract. |
| Jul 22, 2019 | Signed as free agent | Dave Calzado | — | Los Angeles Dodgers | Los Angeles Dodgers signed free agent RHP Dave Calzado to a minor league contract. |
| Jul 22, 2019 | Signed as free agent | Andry Mercedes | — | Baltimore Orioles | Baltimore Orioles signed free agent LHP Andry Mercedes to a minor league contract. |
| Jul 22, 2019 | Signed as free agent | Dalvinson Santana | — | Los Angeles Dodgers | Los Angeles Dodgers signed free agent LHP Dalvinson Santana to a minor league contract. |
| Jul 22, 2019 | Released | Eduardo Núñez | — | Boston Red Sox | Boston Red Sox released 2B Eduardo Nunez. |
| Jul 22, 2019 | Signed as free agent | Leandro Castillo | — | San Francisco Giants | San Francisco Giants signed free agent RHP Leandro Castillo to a minor league contract. |
| Jul 22, 2019 | Signed as free agent | Miguel Alvarez | — | Arizona Diamondbacks | Arizona Diamondbacks signed free agent RHP Miguel Alvarez to a minor league contract. |
| Jul 21, 2019 | Signed as free agent | Drew Smyly | — | Philadelphia Phillies | Philadelphia Phillies signed free agent LHP Drew Smyly. |
| Jul 21, 2019 | Trade | Matt Magill | Minnesota Twins | Seattle Mariners | Minnesota Twins traded RHP Matt Magill to Seattle Mariners for cash. |
| Jul 21, 2019 | Released | Matt Harvey | — | Los Angeles Angels | Los Angeles Angels released RHP Matt Harvey. |
| Jul 21, 2019 | Signed as free agent | Edwin Jackson | — | Detroit Tigers | Detroit Tigers signed free agent RHP Edwin Jackson to a minor league contract. |
| Jul 21, 2019 | Signed as free agent | Wander De La Rosa | — | Miami Marlins | Miami Marlins signed free agent RHP Wander De La Rosa to a minor league contract. |
| Jul 20, 2019 | Trade | Mike Morin | Minnesota Twins | Philadelphia Phillies | Minnesota Twins traded RHP Mike Morin to Philadelphia Phillies for cash. |
| Jul 20, 2019 | Signed as free agent | Tyshaun Chapman | — | Kansas City Royals | Kansas City Royals signed free agent RHP Tyshaun Chapman to a minor league contract. |
| Jul 20, 2019 | Signed as free agent | Tyler Gibson | — | Cincinnati Reds | Cincinnati Reds signed free agent RHP Tyler Gibson to a minor league contract. |
| Jul 20, 2019 | Signed as free agent | Larry De Jesus | — | San Francisco Giants | San Francisco Giants signed free agent RHP Larry De Jesus to a minor league contract. |
| Jul 19, 2019 | Signed as free agent | Jace Peterson | — | Baltimore Orioles | Baltimore Orioles signed free agent 3B Jace Peterson to a minor league contract. |
| Jul 19, 2019 | Released | Edwin Jackson | — | Toronto Blue Jays | Toronto Blue Jays released RHP Edwin Jackson. |
| Jul 19, 2019 | Signed as free agent | Danny Coulombe | — | Milwaukee Brewers | Milwaukee Brewers signed free agent LHP Danny Coulombe to a minor league contract. |
| Jul 19, 2019 | Signed as free agent | Cole Donaldson | — | Minnesota Twins | Minnesota Twins signed free agent C Cole Donaldson to a minor league contract. |
| Jul 19, 2019 | Signed | Kendall Williams | — | Toronto Blue Jays | Toronto Blue Jays signed RHP Kendall Williams. |
| Jul 19, 2019 | Signed as free agent | Rolfi Jimenez | — | San Francisco Giants | San Francisco Giants signed free agent RHP Rolfi Jimenez to a minor league contract. |
| Jul 19, 2019 | Signed as free agent | Jarol Martinez | — | Philadelphia Phillies | Philadelphia Phillies signed free agent SS Jarol Martinez to a minor league contract. |
| Jul 18, 2019 | Signed as free agent | Ryan Lavarnway | — | Cincinnati Reds | Cincinnati Reds signed free agent C Ryan Lavarnway. |
| Jul 18, 2019 | Signed as free agent | Zak Whalin | — | New York Mets | New York Mets signed free agent C Zak Whalin to a minor league contract. |
| Jul 18, 2019 | Signed as free agent | Jorge Puerta | — | Los Angeles Dodgers | Los Angeles Dodgers signed free agent C Jorge Puerta to a minor league contract. |
| Jul 18, 2019 | Signed as free agent | Duvan Arroyo | — | New York Mets | New York Mets signed free agent SS Duvan Arroyo to a minor league contract. |
| Jul 18, 2019 | Signed as free agent | Roberto Sanchez | — | New York Mets | New York Mets signed free agent OF Roberto Sanchez to a minor league contract. |
| Jul 17, 2019 | Trade | Wilmer Font | New York Mets | Toronto Blue Jays | New York Mets traded RHP Wilmer Font to Toronto Blue Jays for cash. |
| Jul 17, 2019 | Trade | Terrance Gore | Kansas City Royals | New York Yankees | Kansas City Royals traded LF Terrance Gore to New York Yankees for cash. |
| Jul 17, 2019 | Trade | Justin Grimm | Los Angeles Dodgers | Cincinnati Reds | Los Angeles Dodgers traded RHP Justin Grimm to Cincinnati Reds. |
| Jul 17, 2019 | Trade | Yeltsin Gudino | Baltimore Orioles | Toronto Blue Jays | Baltimore Orioles traded 2B Yeltsin Gudino to Toronto Blue Jays. |
| Jul 17, 2019 | Signed | Chase Krogman | — | Chicago White Sox | Chicago White Sox signed CF Chase Krogman. |
| Jul 17, 2019 | Signed | Logan Glass | — | Chicago White Sox | Chicago White Sox signed CF Logan Glass. |
| Jul 17, 2019 | Signed | Jake Cousins | — | Milwaukee Brewers | Milwaukee Brewers signed RHP Jake Cousins. |
| Jul 17, 2019 | Signed | Cam Beauchamp | — | Philadelphia Phillies | Philadelphia Phillies signed LHP Cam Beauchamp. |
| Jul 17, 2019 | Signed as free agent | Kelvin Diaz | — | Boston Red Sox | Boston Red Sox signed free agent IF Kelvin Diaz to a minor league contract. |
| Jul 17, 2019 | Signed as free agent | Yoansy Moreno | — | Atlanta Braves | Atlanta Braves signed free agent OF Yoansy Moreno to a minor league contract. |
| Jul 16, 2019 | Signed as free agent | Tyler Reichenborn | — | St. Louis Cardinals | St. Louis Cardinals signed free agent CF Tyler Reichenborn to a minor league contract. |
| Jul 16, 2019 | Trade | Anthony Bemboom | Tampa Bay Rays | Los Angeles Angels | Tampa Bay Rays traded C Anthony Bemboom to Los Angeles Angels for cash. |
| Jul 16, 2019 | Signed as free agent | Max Murphy | — | Arizona Diamondbacks | Arizona Diamondbacks signed free agent OF Max Murphy to a minor league contract. |
| Jul 16, 2019 | Signed as free agent | Joe Lienhard | — | Kansas City Royals | Kansas City Royals signed free agent RHP Joe Lienhard to a minor league contract. |
| Jul 16, 2019 | Signed as free agent | Justin Ammons | — | Toronto Blue Jays | Toronto Blue Jays signed free agent OF Justin Ammons to a minor league contract. |
| Jul 16, 2019 | Signed as free agent | Chris Burke | — | Philadelphia Phillies | Philadelphia Phillies signed free agent C Chris Burke to a minor league contract. |
| Jul 16, 2019 | Signed as free agent | Frank Medina | — | Toronto Blue Jays | Toronto Blue Jays signed free agent RHP Frank Medina to a minor league contract. |
| Jul 15, 2019 | Signed as free agent | Logan Morrison | — | Philadelphia Phillies | Philadelphia Phillies signed free agent 1B Logan Morrison to a minor league contract. |
| Jul 15, 2019 | Trade | Mike Montgomery | Chicago Cubs | Kansas City Royals | Kansas City Royals traded C Martin Maldonado to Chicago Cubs for LHP Mike Montgomery. |
| Jul 15, 2019 | Signed | Joe Gobillot | — | Tampa Bay Rays | Tampa Bay Rays signed LHP Joe Gobillot. |
| Jul 15, 2019 | Signed as free agent | Jordan Martinson | — | Los Angeles Dodgers | Los Angeles Dodgers signed free agent LHP Jordan Martinson to a minor league contract. |
| Jul 15, 2019 | Signed as free agent | Erick Rodriguez | — | Detroit Tigers | Detroit Tigers signed free agent RHP Erick Rodriguez to a minor league contract. |
| Jul 15, 2019 | Signed as free agent | Viktor Vecerka | — | Kansas City Royals | Kansas City Royals signed free agent LHP Viktor Vecerka to a minor league contract. |
| Jul 15, 2019 | Signed | Mike Mokma | — | Los Angeles Dodgers | Los Angeles Dodgers signed RHP Mike Mokma. |
| Jul 14, 2019 | Trade | Homer Bailey | Kansas City Royals | Athletics | Kansas City Royals traded RHP Homer Bailey to Oakland Athletics for SS Kevin Merrell. |
| Jul 14, 2019 | Signed as free agent | Luis Ramirez | — | Los Angeles Angels | Los Angeles Angels signed free agent RHP Luis Ramirez to a minor league contract. |
| Jul 14, 2019 | Signed as free agent | Marrick Crouse | — | Atlanta Braves | Atlanta Braves signed free agent RHP Marrick Crouse to a minor league contract. |
| Jul 14, 2019 | Signed | Brandon Eisert | — | Toronto Blue Jays | Toronto Blue Jays signed LHP Brandon Eisert. |
| Jul 13, 2019 | Trade | Pete Fairbanks | Texas Rangers | Tampa Bay Rays | Texas Rangers traded RHP Peter Fairbanks to Tampa Bay Rays for 2B Nick Solak. |
| Jul 13, 2019 | Trade | Andrew Cashner | Baltimore Orioles | Boston Red Sox | Baltimore Orioles traded RHP Andrew Cashner and cash to Boston Red Sox for CF Elio Prado and SS Noelberth Romero. |
| Jul 13, 2019 | Signed as free agent | Uriel Curvelo | — | St. Louis Cardinals | St. Louis Cardinals signed free agent RHP Uriel Curvelo to a minor league contract. |
| Jul 12, 2019 | Signed | Brendan Cellucci | — | Boston Red Sox | Boston Red Sox signed LHP Brendan Cellucci. |
| Jul 12, 2019 | Signed | Karson Simas | — | Boston Red Sox | Boston Red Sox signed SS Karson Simas. |
| Jul 12, 2019 | Signed | Blake Loubier | — | Boston Red Sox | Boston Red Sox signed RHP Blake Loubier. |
| Jul 12, 2019 | Signed | Feleipe Franks | — | Boston Red Sox | Boston Red Sox signed RHP Feleipe Franks. |
| Jul 12, 2019 | Signed | Bradley Blalock | — | Boston Red Sox | Boston Red Sox signed RHP Bradley Blalock. |
| Jul 12, 2019 | Signed as free agent | Cristhian Adames | — | San Francisco Giants | San Francisco Giants signed free agent SS Cristhian Adames to a minor league contract. |
| Jul 12, 2019 | Trade | Adam McCreery | Los Angeles Dodgers | Los Angeles Angels | Los Angeles Dodgers traded LHP Adam McCreery and C Josh Thole to Los Angeles Angels for cash. |
| Jul 12, 2019 | Signed as free agent | Brad Boxberger | — | Washington Nationals | Washington Nationals signed free agent RHP Brad Boxberger to a minor league contract. |
| Jul 12, 2019 | Signed | Drake Fellows | — | San Diego Padres | San Diego Padres signed RHP Drake Fellows. |
| Jul 12, 2019 | Signed | Mason Feole | — | San Diego Padres | San Diego Padres signed LHP Mason Feole. |
| Jul 12, 2019 | Signed | Bodi Rascon | — | San Diego Padres | San Diego Padres signed LHP Bodi Rascon. |
| Jul 12, 2019 | Signed | JJ Bleday | — | Miami Marlins | Miami Marlins signed OF J.J. Bleday. |
| Jul 12, 2019 | Signed | Kameron Misner | — | Miami Marlins | Miami Marlins signed OF Kameron Misner. |
| Jul 12, 2019 | Signed | Chris Mokma | — | Miami Marlins | Miami Marlins signed RHP Chris Mokma. |
| Jul 12, 2019 | Trade | Phil Maton | San Diego Padres | Cleveland Guardians | San Diego Padres traded RHP Phil Maton to Cleveland Indians for Future Considerations. |
| Jul 12, 2019 | Signed | Josh Smith | — | New York Yankees | New York Yankees signed 2B Josh Smith. |
| Jul 12, 2019 | Signed | Pat DeMarco | — | New York Yankees | New York Yankees signed CF Pat DeMarco. |
| Jul 12, 2019 | Signed | Montana Semmel | — | New York Yankees | New York Yankees signed RHP Montana Semmel. |
| Jul 12, 2019 | Signed | Dan Hammer | — | Baltimore Orioles | Baltimore Orioles signed RHP Dan Hammer. |
| Jul 12, 2019 | Signed | Houston Roth | — | Baltimore Orioles | Baltimore Orioles signed RHP Houston Roth. |
| Jul 12, 2019 | Signed | Dasan Brown | — | Toronto Blue Jays | Toronto Blue Jays signed OF Dasan Brown. |
| Jul 12, 2019 | Signed | Luke Berryhill | — | Cincinnati Reds | Cincinnati Reds signed C Luke Berryhill. |
| Jul 12, 2019 | Signed as free agent | Joe Nahas | — | Chicago Cubs | Chicago Cubs signed free agent RHP Joe Nahas to a minor league contract. |
| Jul 12, 2019 | Signed | Francisco Martinez | — | Los Angeles Dodgers | Los Angeles Dodgers signed LHP Francisco Martinez. |
| Jul 12, 2019 | Signed | Hunter Parsons | — | New York Mets | New York Mets signed RHP Hunter Parsons. |
| Jul 12, 2019 | Signed | Nick Lockhart | — | Texas Rangers | Texas Rangers signed RHP Nick Lockhart. |
| Jul 12, 2019 | Signed | Chet Allison | — | Los Angeles Dodgers | Los Angeles Dodgers signed OF Chet Allison. |
| Jul 12, 2019 | Signed | Jonny DeLuca | — | Los Angeles Dodgers | Los Angeles Dodgers signed OF Jonny Deluca. |
| Jul 12, 2019 | Signed | Adrian Rodriguez | — | Texas Rangers | Texas Rangers signed RHP Adrian Rodriguez. |
| Jul 12, 2019 | Signed as free agent | Joe Elbis | — | Arizona Diamondbacks | Arizona Diamondbacks signed free agent RHP Joe Elbis to a minor league contract. |
| Jul 12, 2019 | Signed as free agent | Yanquiel Fernández | — | Colorado Rockies | Colorado Rockies signed free agent OF Yanquiel Fernandez to a minor league contract. |
| Jul 12, 2019 | Signed as free agent | Moises Paiva | — | Colorado Rockies | Colorado Rockies signed free agent IF Moises Paiva to a minor league contract. |
| Jul 12, 2019 | Signed as free agent | Jose Rebolledo | — | Colorado Rockies | Colorado Rockies signed free agent RHP Jose Rebolledo to a minor league contract. |
| Jul 12, 2019 | Signed as free agent | Victor Juarez | — | Colorado Rockies | Colorado Rockies signed free agent RHP Victor Juarez to a minor league contract. |
| Jul 12, 2019 | Signed as free agent | Oswal Rada | — | Colorado Rockies | Colorado Rockies signed free agent C Oswal Rada to a minor league contract. |
| Jul 12, 2019 | Signed | Braidyn Fink | — | Los Angeles Dodgers | Los Angeles Dodgers signed RHP Braidyn Fink. |
| Jul 12, 2019 | Signed as free agent | Endy Rodriguez | — | Minnesota Twins | Minnesota Twins signed free agent 2B Endy Rodriguez to a minor league contract. |
| Jul 11, 2019 | Signed as free agent | Iván De Jesús Jr. | — | Minnesota Twins | Minnesota Twins signed free agent 2B Ivan De Jesus Jr. to a minor league contract. |
| Jul 11, 2019 | Signed | Edouard Julien | — | Minnesota Twins | Minnesota Twins signed 2B Edouard Julien. |
| Jul 11, 2019 | Signed as free agent | Spencer Stockton | — | Cincinnati Reds | Cincinnati Reds signed free agent RHP Spencer Stockton to a minor league contract. |
| Jul 11, 2019 | Signed | Ethan Hearn | — | Chicago Cubs | Chicago Cubs signed C Ethan Hearn. |
| Jul 11, 2019 | Signed | Ben Peoples | — | Tampa Bay Rays | Tampa Bay Rays signed RHP Ben Peoples. |
| Jul 11, 2019 | Signed as free agent | Shelby Miller | — | Milwaukee Brewers | Milwaukee Brewers signed free agent RHP Shelby Miller to a minor league contract. |
| Jul 11, 2019 | Signed | Ben Thompson | — | Atlanta Braves | Atlanta Braves signed RHP Ben Thompson. |
| Jul 11, 2019 | Signed | Addison Moss | — | Tampa Bay Rays | Tampa Bay Rays signed RHP Addison Moss. |
| Jul 11, 2019 | Signed as free agent | Erubiel Armenta | — | Philadelphia Phillies | Philadelphia Phillies signed free agent LHP Erubiel Armenta to a minor league contract. |
| Jul 11, 2019 | Signed | Hunter Bryan | — | Texas Rangers | Texas Rangers signed SS Hunter Bryan. |
| Jul 11, 2019 | Signed as free agent | Jorge Ramirez | — | Toronto Blue Jays | Toronto Blue Jays signed free agent RHP Jorge Ramirez to a minor league contract. |
| Jul 11, 2019 | Signed as free agent | Luis Gonzalez | — | Arizona Diamondbacks | Arizona Diamondbacks signed free agent 3B Luis Gonzalez to a minor league contract. |
| Jul 11, 2019 | Signed as free agent | Efrain Polanco | — | Atlanta Braves | Atlanta Braves signed free agent RHP Efrain Polanco to a minor league contract. |
| Jul 11, 2019 | Signed as free agent | Pedro Felix | — | Colorado Rockies | Colorado Rockies signed free agent C Pedro Felix to a minor league contract. |
| Jul 11, 2019 | Signed as free agent | Luis Mendez | — | Colorado Rockies | Colorado Rockies signed free agent IF Luis Mendez to a minor league contract. |
| Jul 11, 2019 | Signed | Jackson Gillis | — | Milwaukee Brewers | Milwaukee Brewers signed LHP Jackson Gillis. |
| Jul 10, 2019 | Signed as free agent | Nick Ciuffo | — | Cincinnati Reds | Cincinnati Reds signed free agent C Nick Ciuffo to a minor league contract. |
| Jul 10, 2019 | Released | Tyler Thornburg | — | Boston Red Sox | Boston Red Sox released RHP Tyler Thornburg. |
| Jul 10, 2019 | Signed | Jared Alvarez-Lopez | — | San Diego Padres | San Diego Padres signed C Jared Alvarez-Lopez. |
| Jul 10, 2019 | Signed as free agent | Yonder Alonso | — | Colorado Rockies | Colorado Rockies signed free agent 1B Yonder Alonso to a minor league contract. |
| Jul 10, 2019 | Signed as free agent | Carlos Sanchez | — | Baltimore Orioles | Baltimore Orioles signed free agent RHP Carlos Sanchez to a minor league contract. |
| Jul 10, 2019 | Signed | Michael Brewer | — | Texas Rangers | Texas Rangers signed RHP Michael Brewer. |
| Jul 10, 2019 | Signed as free agent | Elisandro Alcantara | — | Colorado Rockies | Colorado Rockies signed free agent CF Elisandro Alcantara to a minor league contract. |
| Jul 10, 2019 | Signed as free agent | Jose Barcenas | — | Colorado Rockies | Colorado Rockies signed free agent RHP Jose Barcenas to a minor league contract. |
| Jul 10, 2019 | Signed as free agent | Luis Echenique | — | Kansas City Royals | Kansas City Royals signed free agent CF Luis Echenique to a minor league contract. |
| Jul 10, 2019 | Signed as free agent | Meiver Borges | — | Kansas City Royals | Kansas City Royals signed free agent C Meiver Borges to a minor league contract. |
| Jul 10, 2019 | Signed as free agent | Jose Chacon | — | Kansas City Royals | Kansas City Royals signed free agent SS Jose Chacon to a minor league contract. |
| Jul 10, 2019 | Signed as free agent | Marino Castillo | — | Kansas City Royals | Kansas City Royals signed free agent OF Marino Castillo to a minor league contract. |
| Jul 10, 2019 | Signed as free agent | Mario Melendez | — | Kansas City Royals | Kansas City Royals signed free agent C Mario Melendez to a minor league contract. |
| Jul 10, 2019 | Signed as free agent | Mauricio Veliz | — | Kansas City Royals | Kansas City Royals signed free agent RHP Mauricio Veliz to a minor league contract. |
| Jul 10, 2019 | Signed as free agent | Sandry Hernandez | — | Colorado Rockies | Colorado Rockies signed free agent CF Sandry Hernandez to a minor league contract. |
| Jul 9, 2019 | Signed as free agent | Alec Craig | — | Minnesota Twins | Minnesota Twins signed free agent SS Alec Craig to a minor league contract. |
| Jul 9, 2019 | Signed | Deion Walker | — | Pittsburgh Pirates | Pittsburgh Pirates signed CF Deion Walker. |
| Jul 9, 2019 | Signed | Tommy Jew | — | St. Louis Cardinals | St. Louis Cardinals signed CF Tommy Jew. |
| Jul 9, 2019 | Signed as free agent | Roilan Machandy | — | Houston Astros | Houston Astros signed free agent OF Roilan Machandy to a minor league contract. |
| Jul 9, 2019 | Signed | Shane Sasaki | — | Tampa Bay Rays | Tampa Bay Rays signed OF Shane Sasaki. |
| Jul 9, 2019 | Signed | Jimmy Lewis | — | Los Angeles Dodgers | Los Angeles Dodgers signed RHP Jimmy Lewis. |
| Jul 8, 2019 | Signed as free agent | Steve Theetge | — | Minnesota Twins | Minnesota Twins signed free agent LHP Steve Theetge to a minor league contract. |
| Jul 8, 2019 | Signed as free agent | Dan Jennings | — | New York Yankees | New York Yankees signed free agent LHP Dan Jennings to a minor league contract. |
| Jul 8, 2019 | Signed | Dutch Landis | — | Seattle Mariners | Seattle Mariners signed RHP Dutch Landis. |
| Jul 8, 2019 | Signed | Anthony Tomczak | — | Seattle Mariners | Seattle Mariners signed RHP Anthony Tomczak. |
| Jul 8, 2019 | Signed | Jack Weisenburger | — | Athletics | Oakland Athletics signed RHP Jack Weisenburger. |
| Jul 8, 2019 | Signed as free agent | Elkyn Chirinos | — | Cincinnati Reds | Cincinnati Reds signed free agent RHP Elkyn Chirinos to a minor league contract. |
| Jul 8, 2019 | Signed as free agent | Alfredo Villegas | — | Cincinnati Reds | Cincinnati Reds signed free agent C Alfredo Villegas to a minor league contract. |
| Jul 8, 2019 | Signed as free agent | Fraiber Castillo | — | Cincinnati Reds | Cincinnati Reds signed free agent LHP Fraiber Castillo to a minor league contract. |
| Jul 8, 2019 | Signed as free agent | George Gomez | — | Toronto Blue Jays | Toronto Blue Jays signed free agent RHP George Gomez to a minor league contract. |
| Jul 8, 2019 | Signed as free agent | Omar Gutierrez | — | Toronto Blue Jays | Toronto Blue Jays signed free agent C Omar Gutierrez to a minor league contract. |
| Jul 8, 2019 | Signed as free agent | Guillermo Villasmil | — | Toronto Blue Jays | Toronto Blue Jays signed free agent RHP Guillermo Villasmil to a minor league contract. |
| Jul 7, 2019 | Signed as free agent | Jason García | — | Tampa Bay Rays | Tampa Bay Rays signed free agent RHP Jason Garcia to a minor league contract. |
| Jul 7, 2019 | Signed | Mahki Backstrom | — | Atlanta Braves | Atlanta Braves signed 1B Mahki Backstrom. |
| Jul 6, 2019 | Released | Zach Duke | — | Cincinnati Reds | Cincinnati Reds released LHP Zach Duke. |
| Jul 6, 2019 | Signed | Noah Song | — | Boston Red Sox | Boston Red Sox signed RHP Noah Song. |
| Jul 6, 2019 | Signed as free agent | Orlando Rodriguez | — | Cincinnati Reds | Cincinnati Reds signed free agent RHP Orlando Rodriguez to a minor league contract. |
| Jul 6, 2019 | Signed as free agent | Rodrigo Garcia | — | Chicago Cubs | Chicago Cubs signed free agent RHP Rodrigo Garcia to a minor league contract. |
| Jul 6, 2019 | Signed as free agent | Orsen Josephina | — | Pittsburgh Pirates | Pittsburgh Pirates signed free agent RHP Orsen Josephina to a minor league contract. |
| Jul 5, 2019 | Signed | Bryan Hoeing | — | Miami Marlins | Miami Marlins signed RHP Bryan Hoeing. |
| Jul 5, 2019 | Signed | Julian Infante | — | Miami Marlins | Miami Marlins signed 1B Julian Infante. |
| Jul 5, 2019 | Signed | Zach King | — | Miami Marlins | Miami Marlins signed LHP Zach King. |
| Jul 5, 2019 | Signed as free agent | Nick Franklin | — | Los Angeles Angels | Los Angeles Angels signed free agent 2B Nick Franklin to a minor league contract. |
| Jul 5, 2019 | Signed as free agent | Dilson Herrera | — | New York Mets | New York Mets signed free agent 2B Dilson Herrera to a minor league contract. |
| Jul 5, 2019 | Signed | Zach Bryant | — | Chicago Cubs | Chicago Cubs signed RHP Zach Bryant. |
| Jul 5, 2019 | Signed | Augie Sylk | — | Kansas City Royals | Kansas City Royals signed LHP Augue Sylk. |
| Jul 5, 2019 | Signed | Trevor Brigden | — | Tampa Bay Rays | Tampa Bay Rays signed RHP Trevor Brigden. |
| Jul 5, 2019 | Signed | Patrick Raby | — | Cincinnati Reds | Cincinnati Reds signed RHP Patrick Raby. |
| Jul 5, 2019 | Signed | Blaine McIntosh | — | New York Mets | New York Mets signed CF Blaine McIntosh. |
| Jul 5, 2019 | Signed as free agent | Jose Rivera | — | New York Mets | New York Mets signed free agent C Jose Rivera to a minor league contract. |
| Jul 5, 2019 | Signed as free agent | Yeireth Mordan | — | Toronto Blue Jays | Toronto Blue Jays signed free agent OF Yeireth Mordan to a minor league contract. |
| Jul 4, 2019 | Signed | Erik Miller | — | Philadelphia Phillies | Philadelphia Phillies signed LHP Erik Miller. |
| Jul 4, 2019 | Trade | Matt Wisler | San Diego Padres | Seattle Mariners | San Diego Padres traded RHP Matt Wisler to Seattle Mariners for cash. |
| Jul 4, 2019 | Signed | Stephen Scott | — | Boston Red Sox | Boston Red Sox signed OF Stephen Scott. |
| Jul 4, 2019 | Signed as free agent | Bryant Flete | — | Cincinnati Reds | Cincinnati Reds signed free agent 2B Bryant Flete to a minor league contract. |
| Jul 4, 2019 | Released | Shelby Miller | — | Texas Rangers | Texas Rangers released RHP Shelby Miller. |
| Jul 4, 2019 | Signed | Brock Jones | — | Arizona Diamondbacks | Arizona Diamondbacks signed LHP Brock Jones. |
| Jul 4, 2019 | Signed | Michael Busch | — | Los Angeles Dodgers | Los Angeles Dodgers signed 2B Michael Busch. |
| Jul 4, 2019 | Signed as free agent | Anderson Vargas | — | Los Angeles Angels | Los Angeles Angels signed free agent LHP Anderson Vargas to a minor league contract. |
| Jul 4, 2019 | Signed as free agent | Gerson Angulo | — | Texas Rangers | Texas Rangers signed free agent RHP Gerson Angulo to a minor league contract. |
| Jul 4, 2019 | Signed as free agent | Elis Leal | — | Texas Rangers | Texas Rangers signed free agent RHP Elis Leal to a minor league contract. |
| Jul 4, 2019 | Signed as free agent | Miguel Villarroel | — | Texas Rangers | Texas Rangers signed free agent SS Miguel Villarroel to a minor league contract. |
| Jul 4, 2019 | Signed as free agent | Keiner Bustamante | — | Washington Nationals | Washington Nationals signed free agent C Keiner Bustamante to a minor league contract. |
| Jul 4, 2019 | Signed as free agent | German Duarte | — | Kansas City Royals | Kansas City Royals signed free agent C German Duarte to a minor league contract. |
| Jul 4, 2019 | Signed as free agent | Luis Polanco | — | Kansas City Royals | Kansas City Royals signed free agent RHP Luis Polanco to a minor league contract. |
| Jul 3, 2019 | Trade | Nathan Witt | Los Angeles Dodgers | Tampa Bay Rays | Tampa Bay Rays traded RHP Casey Sadler to Los Angeles Dodgers for RHP Nathan Witt. |
| Jul 3, 2019 | Trade | Andrew Velazquez | Tampa Bay Rays | Cleveland Guardians | Tampa Bay Rays traded 3B Andrew Velazquez to Cleveland Indians for Future Considerations. |
| Jul 3, 2019 | Signed as free agent | Roger Leyton | — | Kansas City Royals | Kansas City Royals signed free agent OF Roger Leyton to a minor league contract. |
| Jul 3, 2019 | Signed | Levi Stoudt | — | Seattle Mariners | Seattle Mariners signed RHP Levi Stoudt. |
| Jul 3, 2019 | Signed | Josh Jung | — | Texas Rangers | Texas Rangers signed 3B Josh Jung. |
| Jul 3, 2019 | Signed | Davis Wendzel | — | Texas Rangers | Texas Rangers signed 3B Davis Wendzel. |
| Jul 3, 2019 | Signed | Jake Wright | — | Pittsburgh Pirates | Pittsburgh Pirates signed OF Jake Wright. |
| Jul 3, 2019 | Signed | Jasiah Dixon | — | Pittsburgh Pirates | Pittsburgh Pirates signed CF Jasiah Dixon. |
| Jul 3, 2019 | Released | Yonder Alonso | — | Chicago White Sox | Chicago White Sox released 1B Yonder Alonso. |
| Jul 3, 2019 | Signed | Joey Estes | — | Atlanta Braves | Atlanta Braves signed RHP Joey Estes. |
| Jul 3, 2019 | Signed as free agent | Kelvin Disla | — | Pittsburgh Pirates | Pittsburgh Pirates signed free agent RHP Kelvin Disla to a minor league contract. |
| Jul 3, 2019 | Signed as free agent | Jose Valdez | — | Arizona Diamondbacks | Arizona Diamondbacks signed free agent RHP Jose Valdez to a minor league contract. |
| Jul 3, 2019 | Signed | A.J. Franklin | — | Kansas City Royals | Kansas City Royals signed LHP A.J. Franklin. |
| Jul 3, 2019 | Signed as free agent | Kenny Wells | — | Atlanta Braves | Atlanta Braves signed free agent RHP Kenny Wells to a minor league contract. |
| Jul 3, 2019 | Signed | Connor Blair | — | Atlanta Braves | Atlanta Braves signed OF Connor Blair. |
| Jul 3, 2019 | Signed as free agent | Hansel Marcelino | — | St. Louis Cardinals | St. Louis Cardinals signed free agent RHP Hansel Marcelino to a minor league contract. |
| Jul 3, 2019 | Signed | Jimmy Kerr | — | Detroit Tigers | Detroit Tigers signed 3B Jimmy Kerr. |
| Jul 3, 2019 | Signed as free agent | Michel Triana | — | Cincinnati Reds | Cincinnati Reds signed free agent 3B Michel Triana to a minor league contract. |
| Jul 3, 2019 | Signed as free agent | Geral Siri | — | Arizona Diamondbacks | Arizona Diamondbacks signed free agent C Geral Siri to a minor league contract. |
| Jul 3, 2019 | Signed | Marc Church | — | Texas Rangers | Texas Rangers signed RHP Marc Church. |
| Jul 3, 2019 | Signed | Gavin Collyer | — | Texas Rangers | Texas Rangers signed RHP Gavin Collyer. |
| Jul 3, 2019 | Signed | Lucas Knowles | — | Washington Nationals | Washington Nationals signed LHP Lucas Knowles. |
| Jul 3, 2019 | Signed as free agent | Jesus Bucan | — | Los Angeles Dodgers | Los Angeles Dodgers signed free agent LHP Jesus Bucan to a minor league contract. |
| Jul 3, 2019 | Signed as free agent | Jhonelvis Henriquez | — | Texas Rangers | Texas Rangers signed free agent RHP Jhonelvis Henriquez to a minor league contract. |
| Jul 3, 2019 | Signed as free agent | Romulo Canelon | — | Texas Rangers | Texas Rangers signed free agent LHP Romulo Canelon to a minor league contract. |
| Jul 3, 2019 | Signed as free agent | Estiven Machado | — | Toronto Blue Jays | Toronto Blue Jays signed free agent SS Estiven Machado to a minor league contract. |
| Jul 3, 2019 | Signed as free agent | Stephen Vargas | — | Toronto Blue Jays | Toronto Blue Jays signed free agent RHP Stephen Vargas to a minor league contract. |
| Jul 3, 2019 | Signed as free agent | Victor Basora | — | Arizona Diamondbacks | Arizona Diamondbacks signed free agent RHP Victor Basora to a minor league contract. |
| Jul 3, 2019 | Signed as free agent | Luis Tejeda | — | Arizona Diamondbacks | Arizona Diamondbacks signed free agent RHP Luis Tejeda to a minor league contract. |
| Jul 3, 2019 | Signed | Cody Bradford | — | Texas Rangers | Texas Rangers signed LHP Cody Bradford. |
| Jul 3, 2019 | Signed | Jose Meza | — | Los Angeles Dodgers | Los Angeles Dodgers signed OF Jose Meza. |
| Jul 2, 2019 | Signed | Michael Cuevas | — | Washington Nationals | Washington Nationals signed RHP Michael Cuevas. |
| Jul 2, 2019 | Signed as free agent | Jasson Domínguez | — | New York Yankees | New York Yankees signed free agent CF Jasson Dominguez to a minor league contract. |
| Jul 2, 2019 | Signed as free agent | Robert Puason | — | Athletics | Oakland Athletics signed free agent SS Robert Puason to a minor league contract. |
| Jul 2, 2019 | Signed as free agent | Bayron Lora | — | Texas Rangers | Texas Rangers signed free agent OF Bayron Lora to a minor league contract. |
| Jul 2, 2019 | Signed | Landy Pena | — | Cleveland Guardians | Cleveland Indians signed SS Landy Pena. |
| Jul 2, 2019 | Signed as free agent | Luis Rodriguez | — | Los Angeles Dodgers | Los Angeles Dodgers signed free agent OF Luis Rodriguez to a minor league contract. |
| Jul 2, 2019 | Signed as free agent | Erick Peña | — | Kansas City Royals | Kansas City Royals signed free agent CF Erick Pena to a minor league contract. |
| Jul 2, 2019 | Signed as free agent | Emmanuel Rodriguez | — | Minnesota Twins | Minnesota Twins signed free agent OF Emmanuel Rodriguez to a minor league contract. |
| Jul 2, 2019 | Signed as free agent | Arol Vera | — | Los Angeles Angels | Los Angeles Angels signed free agent SS Arol Vera to a minor league contract. |
| Jul 2, 2019 | Signed as free agent | Jose Salas | — | Miami Marlins | Miami Marlins signed free agent SS Jose Salas to a minor league contract. |
| Jul 2, 2019 | Released | Kendrys Morales | — | New York Yankees | New York Yankees released DH Kendrys Morales. |
| Jul 2, 2019 | Signed | Trevor McDonald | — | San Francisco Giants | San Francisco Giants signed RHP Trevor McDonald. |
| Jul 2, 2019 | Signed as free agent | Kevin Made | — | Chicago Cubs | Chicago Cubs signed free agent SS Kevin Made to a minor league contract. |
| Jul 2, 2019 | Signed as free agent | Adael Amador | — | Colorado Rockies | Colorado Rockies signed free agent SS Adael Amador to a minor league contract. |
| Jul 2, 2019 | Signed as free agent | Luis Medina | — | Milwaukee Brewers | Milwaukee Brewers signed free agent OF Luis Medina to a minor league contract. |
| Jul 2, 2019 | Signed as free agent | Dauri Lorenzo | — | Houston Astros | Houston Astros signed free agent SS Dauri Lorenzo to a minor league contract. |
| Jul 2, 2019 | Signed as free agent | Ismael Mena | — | San Diego Padres | San Diego Padres signed free agent OF Ismael Mena to a minor league contract. |
| Jul 2, 2019 | Signed as free agent | Andry Lara | — | Washington Nationals | Washington Nationals signed free agent RHP Andry Lara to a minor league contract. |
| Jul 2, 2019 | Signed as free agent | Maximo Acosta | — | Texas Rangers | Texas Rangers signed free agent SS Maximo Acosta to a minor league contract. |
| Jul 2, 2019 | Signed as free agent | Kristian Cardozo | — | Los Angeles Dodgers | Los Angeles Dodgers signed free agent RHP Kristian Cardozo to a minor league contract. |
| Jul 2, 2019 | Signed as free agent | Brayan Medina | — | San Diego Padres | San Diego Padres signed free agent RHP Brayan Medina to a minor league contract. |
| Jul 2, 2019 | Signed as free agent | Cristopher Cruz | — | Pittsburgh Pirates | Pittsburgh Pirates signed free agent RHP Cristopher Cruz to a minor league contract. |
| Jul 2, 2019 | Signed as free agent | Jose Pastrano | — | Cleveland Guardians | Cleveland Indians signed free agent SS Jose Pastrano to a minor league contract. |
| Jul 2, 2019 | Signed as free agent | Reginald Preciado | — | San Diego Padres | San Diego Padres signed free agent SS Reginald Preciado to a minor league contract. |
| Jul 2, 2019 | Signed as free agent | Esmerlin Vinicio | — | San Francisco Giants | San Francisco Giants signed free agent LHP Esmerlin Vinicio to a minor league contract. |
| Jul 2, 2019 | Signed as free agent | Rikelbin De Castro | — | Toronto Blue Jays | Toronto Blue Jays signed free agent SS Rikelvin De Castro to a minor league contract. |
| Jul 2, 2019 | Signed as free agent | Junior Sanchez | — | Miami Marlins | Miami Marlins signed free agent SS Junior Sanchez to a minor league contract. |
| Jul 2, 2019 | Signed as free agent | Brayan Altuve | — | Chicago Cubs | Chicago Cubs signed free agent C Brayan Altuve to a minor league contract. |
| Jul 2, 2019 | Signed as free agent | Alex Ramírez | — | New York Mets | New York Mets signed free agent OF Alexander Ramirez to a minor league contract. |
| Jul 2, 2019 | Signed as free agent | Adrian Placencia | — | Los Angeles Angels | Los Angeles Angels signed free agent SS Adrian Placencia to a minor league contract. |
| Jul 2, 2019 | Signed | Pablo Santana | — | Seattle Mariners | Seattle Mariners signed RHP Pablo Santana. |
| Jul 2, 2019 | Signed | Darrien Miller | — | Milwaukee Brewers | Milwaukee Brewers signed C Darrien Miller. |
| Jul 2, 2019 | Signed as free agent | Moises Alcala | — | Arizona Diamondbacks | Arizona Diamondbacks signed free agent C Moises Alcala to a minor league contract. |
| Jul 2, 2019 | Signed as free agent | Juan Aparicio | — | Arizona Diamondbacks | Arizona Diamondbacks signed free agent SS Juan Aparicio to a minor league contract. |
| Jul 2, 2019 | Signed as free agent | Ronal Antigua | — | Arizona Diamondbacks | Arizona Diamondbacks signed free agent OF Ronal Antigua to a minor league contract. |
| Jul 2, 2019 | Signed as free agent | Eric Basabe | — | Arizona Diamondbacks | Arizona Diamondbacks signed free agent LHP Eric Basabe to a minor league contract. |
| Jul 2, 2019 | Signed as free agent | Sheng-Ping Chen | — | Arizona Diamondbacks | Arizona Diamondbacks signed free agent SS Sheng-Ping Chen to a minor league contract. |
| Jul 2, 2019 | Signed as free agent | Franyel Baez | — | Arizona Diamondbacks | Arizona Diamondbacks signed free agent CF Franyel Baez to a minor league contract. |
| Jul 2, 2019 | Signed as free agent | Riquelmin Cabral | — | Arizona Diamondbacks | Arizona Diamondbacks signed free agent 2B Riquelmin Cabral to a minor league contract. |
| Jul 2, 2019 | Signed as free agent | Luis Caicuto | — | Arizona Diamondbacks | Arizona Diamondbacks signed free agent C Luis Caicuto to a minor league contract. |
| Jul 2, 2019 | Signed as free agent | Juan Corniel | — | Arizona Diamondbacks | Arizona Diamondbacks signed free agent SS Juan Corniel to a minor league contract. |
| Jul 2, 2019 | Signed as free agent | Junior Franco | — | Arizona Diamondbacks | Arizona Diamondbacks signed free agent OF Junior Franco to a minor league contract. |
| Jul 2, 2019 | Signed as free agent | Deyvison De Los Santos | — | Arizona Diamondbacks | Arizona Diamondbacks signed free agent 3B Deyvison De Los Santos to a minor league contract. |
| Jul 2, 2019 | Signed as free agent | Berny Encarnacion | — | Arizona Diamondbacks | Arizona Diamondbacks signed free agent OF Berny Encarnacion to a minor league contract. |
| Jul 2, 2019 | Signed as free agent | Juan Garcia | — | Arizona Diamondbacks | Arizona Diamondbacks signed free agent SS Juan Garcia to a minor league contract. |
| Jul 2, 2019 | Signed as free agent | Adrian Gomez | — | Arizona Diamondbacks | Arizona Diamondbacks signed free agent C Adrian Gomez to a minor league contract. |
| Jul 2, 2019 | Signed as free agent | Jiter Heredia | — | Arizona Diamondbacks | Arizona Diamondbacks signed free agent 3B Jiter Heredia to a minor league contract. |
| Jul 2, 2019 | Signed as free agent | Angel Ortiz | — | Arizona Diamondbacks | Arizona Diamondbacks signed free agent OF Angel Ortiz to a minor league contract. |
| Jul 2, 2019 | Signed as free agent | Marco Pernalete | — | Arizona Diamondbacks | Arizona Diamondbacks signed free agent OF Marco Pernalete to a minor league contract. |
| Jul 2, 2019 | Signed as free agent | Samuel Rivas | — | Arizona Diamondbacks | Arizona Diamondbacks signed free agent C Samuel Rivas to a minor league contract. |
| Jul 2, 2019 | Signed as free agent | Darlin Sano | — | Arizona Diamondbacks | Arizona Diamondbacks signed free agent RHP Darlin Sano to a minor league contract. |
| Jul 2, 2019 | Signed as free agent | Robinson Vargas | — | Arizona Diamondbacks | Arizona Diamondbacks signed free agent OF Robinson Vargas to a minor league contract. |
| Jul 2, 2019 | Signed as free agent | Luis Suero | — | Arizona Diamondbacks | Arizona Diamondbacks signed free agent CF Luis Suero to a minor league contract. |
| Jul 2, 2019 | Signed | Dustin Skelton | — | Miami Marlins | Miami Marlins signed C Dustin Skelton. |
| Jul 2, 2019 | Signed as free agent | Daniel Salmeron | — | Arizona Diamondbacks | Arizona Diamondbacks signed free agent C Daniel Salmeron to a minor league contract. |
| Jul 2, 2019 | Signed as free agent | Algenis Vasquez | — | Arizona Diamondbacks | Arizona Diamondbacks signed free agent SS Algenis Vasquez to a minor league contract. |
| Jul 2, 2019 | Signed as free agent | Jose Barett | — | Atlanta Braves | Atlanta Braves signed free agent CF Jose Barett to a minor league contract. |
| Jul 2, 2019 | Signed as free agent | Samuel Bastardo | — | Atlanta Braves | Atlanta Braves signed free agent C Samuel Bastardo to a minor league contract. |
| Jul 2, 2019 | Signed as free agent | Jose Camacaro | — | Atlanta Braves | Atlanta Braves signed free agent C Jose Camacaro to a minor league contract. |
| Jul 2, 2019 | Signed as free agent | Deivy De Castro | — | Atlanta Braves | Atlanta Braves signed free agent SS Deivy Castro to a minor league contract. |
| Jul 2, 2019 | Signed as free agent | Wilfrank Graciano | — | Atlanta Braves | Atlanta Braves signed free agent SS Wilfrank Graciano to a minor league contract. |
| Jul 2, 2019 | Signed as free agent | Luis Jose | — | Atlanta Braves | Atlanta Braves signed free agent CF Luis Jose to a minor league contract. |
| Jul 2, 2019 | Signed as free agent | Luis Moreno | — | Atlanta Braves | Atlanta Braves signed free agent SS Luis Moreno to a minor league contract. |
| Jul 2, 2019 | Signed as free agent | Yorfran Nieves | — | Atlanta Braves | Atlanta Braves signed free agent SS Yorfran Nieves to a minor league contract. |
| Jul 2, 2019 | Signed as free agent | Charbel Abboud | — | Baltimore Orioles | Baltimore Orioles signed free agent RHP Charbel Abboud to a minor league contract. |
| Jul 2, 2019 | Signed as free agent | Albert Rivas | — | Atlanta Braves | Atlanta Braves signed free agent RHP Albert Rivas to a minor league contract. |
| Jul 2, 2019 | Signed as free agent | Wilny Moron | — | Colorado Rockies | Colorado Rockies signed free agent RHP Wilny Moron to a minor league contract. |
| Jul 2, 2019 | Signed as free agent | Olivier Gomez | — | Los Angeles Angels | Los Angeles Angels signed free agent RHP Olivier Gomez to a minor league contract. |
| Jul 2, 2019 | Signed as free agent | Americo Lugo | — | St. Louis Cardinals | St. Louis Cardinals signed free agent RHP Americo Lugo to a minor league contract. |
| Jul 2, 2019 | Signed as free agent | Yehizon Sanchez | — | Athletics | Oakland Athletics signed free agent RHP Yehizon Sanchez to a minor league contract. |
| Jul 2, 2019 | Signed as free agent | Cesar Aguasvivas | — | Baltimore Orioles | Baltimore Orioles signed free agent SS Cesar Aguasvivas to a minor league contract. |
| Jul 2, 2019 | Signed as free agent | Jesus Alvarado | — | Baltimore Orioles | Baltimore Orioles signed free agent OF Jesus Alvarado to a minor league contract. |
| Jul 2, 2019 | Signed as free agent | César Álvarez | — | Baltimore Orioles | Baltimore Orioles signed free agent RHP Cesar Alvarez to a minor league contract. |
| Jul 2, 2019 | Signed as free agent | Adrion Lacle | — | Baltimore Orioles | Baltimore Orioles signed free agent LHP Adrion Lacle to a minor league contract. |
| Jul 2, 2019 | Signed as free agent | Kenny Báez | — | Baltimore Orioles | Baltimore Orioles signed free agent C Kenny Baez to a minor league contract. |
| Jul 2, 2019 | Signed as free agent | Harol Arias | — | Baltimore Orioles | Baltimore Orioles signed free agent RHP Harol Arias to a minor league contract. |
| Jul 2, 2019 | Signed as free agent | Randy Berigüete | — | Baltimore Orioles | Baltimore Orioles signed free agent RHP Randy Beriguete to a minor league contract. |
| Jul 2, 2019 | Signed as free agent | Erick Caines | — | Baltimore Orioles | Baltimore Orioles signed free agent RHP Erick Caines to a minor league contract. |
| Jul 2, 2019 | Signed as free agent | Moisés Chace | — | Baltimore Orioles | Baltimore Orioles signed free agent RHP Moises Chace to a minor league contract. |
| Jul 2, 2019 | Signed as free agent | Francisco Crispin | — | Baltimore Orioles | Baltimore Orioles signed free agent RHP Francisco Crispin to a minor league contract. |
| Jul 2, 2019 | Signed as free agent | Rolphy Cruz | — | Baltimore Orioles | Baltimore Orioles signed free agent IF Rolphy Cruz to a minor league contract. |
| Jul 2, 2019 | Signed as free agent | Luis De La Cruz | — | Baltimore Orioles | Baltimore Orioles signed free agent OF Luis De La Cruz to a minor league contract. |
| Jul 2, 2019 | Signed as free agent | Luis González | — | Baltimore Orioles | Baltimore Orioles signed free agent OF Luis Gonzalez to a minor league contract. |
| Jul 2, 2019 | Signed as free agent | Raúl Rangel | — | Baltimore Orioles | Baltimore Orioles signed free agent RHP Raul Rangel to a minor league contract. |
| Jul 2, 2019 | Signed as free agent | Leonel Sanchez | — | Baltimore Orioles | Baltimore Orioles signed free agent IF Leonel Sanchez to a minor league contract. |
| Jul 2, 2019 | Signed as free agent | Roberto Martínez | — | Baltimore Orioles | Baltimore Orioles signed free agent IF Roberto Martinez to a minor league contract. |
| Jul 2, 2019 | Signed as free agent | Anderson Rogers | — | Baltimore Orioles | Baltimore Orioles signed free agent SS Anderson Rogers to a minor league contract. |
| Jul 2, 2019 | Signed as free agent | Luis Ortiz | — | Baltimore Orioles | Baltimore Orioles signed free agent LHP Luis Ortiz to a minor league contract. |
| Jul 2, 2019 | Signed as free agent | Edgar Portes | — | Baltimore Orioles | Baltimore Orioles signed free agent RHP Edgar Portes to a minor league contract. |
| Jul 2, 2019 | Signed as free agent | José Ramírez | — | Baltimore Orioles | Baltimore Orioles signed free agent LHP Jose Ramirez to a minor league contract. |
| Jul 2, 2019 | Signed as free agent | Ricardo Rivera | — | Baltimore Orioles | Baltimore Orioles signed free agent C Ricardo Rivera to a minor league contract. |
| Jul 2, 2019 | Signed as free agent | Moises Salas | — | Baltimore Orioles | Baltimore Orioles signed free agent LHP Moises Salas to a minor league contract. |
| Jul 2, 2019 | Signed as free agent | Dax Stubbs | — | Baltimore Orioles | Baltimore Orioles signed free agent OF Dax Stubbs to a minor league contract. |
| Jul 2, 2019 | Signed as free agent | Isaac Rudecindo | — | Colorado Rockies | Colorado Rockies signed free agent RHP Isaac Rudecindo to a minor league contract. |
| Jul 2, 2019 | Signed | Tommy Henry | — | Arizona Diamondbacks | Arizona Diamondbacks signed LHP Tommy Henry. |
| Jul 2, 2019 | Signed as free agent | Brayan Ramirez | — | St. Louis Cardinals | St. Louis Cardinals signed free agent RHP Brayan Ramirez to a minor league contract. |
| Jul 2, 2019 | Signed as free agent | Jackson Camejo | — | Boston Red Sox | Boston Red Sox signed free agent OF Jackson Camejo to a minor league contract. |
| Jul 2, 2019 | Signed as free agent | Allan Castro | — | Boston Red Sox | Boston Red Sox signed free agent IF Allan Castro to a minor league contract. |
| Jul 2, 2019 | Signed as free agent | Juan Chacon | — | Boston Red Sox | Boston Red Sox signed free agent OF Juan Chacon to a minor league contract. |
| Jul 2, 2019 | Signed as free agent | Nathanael Cruz | — | Boston Red Sox | Boston Red Sox signed free agent RHP Nathanael Cruz to a minor league contract. |
| Jul 2, 2019 | Signed as free agent | Renny Flores | — | Boston Red Sox | Boston Red Sox signed free agent C Renny Flores to a minor league contract. |
| Jul 2, 2019 | Signed as free agent | Jhostynxon Garcia | — | Boston Red Sox | Boston Red Sox signed free agent OF Jhostynxon Garcia to a minor league contract. |
| Jul 2, 2019 | Signed as free agent | Kawan Silva | — | Boston Red Sox | Boston Red Sox signed free agent RHP Kawan Silva to a minor league contract. |
| Jul 2, 2019 | Signed as free agent | Sebastian Guerra | — | Boston Red Sox | Boston Red Sox signed free agent IF Sebastian Guerra to a minor league contract. |
| Jul 2, 2019 | Signed as free agent | Lyonell James | — | Boston Red Sox | Boston Red Sox signed free agent IF Lyonell James to a minor league contract. |
| Jul 2, 2019 | Signed as free agent | Irving Medina | — | Boston Red Sox | Boston Red Sox signed free agent RHP Irving Medina to a minor league contract. |
| Jul 2, 2019 | Signed as free agent | Jhon Garcia | — | Boston Red Sox | Boston Red Sox signed free agent IF Jhon Garcia to a minor league contract. |
| Jul 2, 2019 | Signed as free agent | Jose Mendez | — | Boston Red Sox | Boston Red Sox signed free agent IF Jose Mendez to a minor league contract. |
| Jul 2, 2019 | Signed as free agent | Luis Perales | — | Boston Red Sox | Boston Red Sox signed free agent RHP Luis Perales to a minor league contract. |
| Jul 2, 2019 | Signed as free agent | Ronald Rosario | — | Boston Red Sox | Boston Red Sox signed free agent C Ronald Rosario to a minor league contract. |
| Jul 2, 2019 | Signed as free agent | Diego Saavedra | — | Boston Red Sox | Boston Red Sox signed free agent OF Diego Saavedra to a minor league contract. |
| Jul 2, 2019 | Signed as free agent | Diego Viloria | — | Boston Red Sox | Boston Red Sox signed free agent C Diego Viloria to a minor league contract. |
| Jul 2, 2019 | Signed as free agent | Ronnier Quintero | — | Chicago Cubs | Chicago Cubs signed free agent C Ronnier Quintero to a minor league contract. |
| Jul 2, 2019 | Signed as free agent | Deivid Alcantara | — | Cincinnati Reds | Cincinnati Reds signed free agent RF Deivid Alcantara to a minor league contract. |
| Jul 2, 2019 | Signed as free agent | Brayan Almonte | — | Cincinnati Reds | Cincinnati Reds signed free agent RHP Brayan Almonte to a minor league contract. |
| Jul 2, 2019 | Signed as free agent | Johnny Ascanio | — | Cincinnati Reds | Cincinnati Reds signed free agent SS Johnny Ascanio to a minor league contract. |
| Jul 2, 2019 | Signed as free agent | Arian Castro | — | Cincinnati Reds | Cincinnati Reds signed free agent SS Arian Castro to a minor league contract. |
| Jul 2, 2019 | Signed as free agent | Agustin Bernal | — | Cincinnati Reds | Cincinnati Reds signed free agent 2B Agustin Bernal to a minor league contract. |
| Jul 2, 2019 | Signed as free agent | Ray-Jacson Chirino | — | Cincinnati Reds | Cincinnati Reds signed free agent RF Ray-Jacson Chirino to a minor league contract. |
| Jul 2, 2019 | Signed as free agent | Iverson Espinoza | — | Cincinnati Reds | Cincinnati Reds signed free agent SS Iverson Espinoza to a minor league contract. |
| Jul 2, 2019 | Signed as free agent | Juan Garcia | — | Cincinnati Reds | Cincinnati Reds signed free agent C Juan Garcia to a minor league contract. |
| Jul 2, 2019 | Signed as free agent | Yerlin Confidan | — | Cincinnati Reds | Cincinnati Reds signed free agent OF Yerlin Confidan to a minor league contract. |
| Jul 2, 2019 | Signed as free agent | Braylin Minier | — | Cincinnati Reds | Cincinnati Reds signed free agent SS Braylin Minier to a minor league contract. |
| Jul 2, 2019 | Signed as free agent | Cesar Martinez | — | Cincinnati Reds | Cincinnati Reds signed free agent SS Cesar Martinez to a minor league contract. |
| Jul 2, 2019 | Signed as free agent | Jesus Torres | — | Cincinnati Reds | Cincinnati Reds signed free agent OF Jesus Torres to a minor league contract. |
| Jul 2, 2019 | Signed as free agent | Andruw Salcedo | — | Cincinnati Reds | Cincinnati Reds signed free agent C Andruw Salcedo to a minor league contract. |
| Jul 2, 2019 | Signed as free agent | Wencer Inirio | — | Cincinnati Reds | Cincinnati Reds signed free agent 3B Wencer Inirio to a minor league contract. |
| Jul 2, 2019 | Signed as free agent | Juan Benjamin | — | Cleveland Guardians | Cleveland Indians signed free agent SS Juan Benjamin to a minor league contract. |
| Jul 2, 2019 | Signed as free agent | Erick Caripa | — | Cleveland Guardians | Cleveland Indians signed free agent RF Erick Caripa to a minor league contract. |
| Jul 2, 2019 | Signed as free agent | Maick Collado | — | Cleveland Guardians | Cleveland Indians signed free agent SS Maick Collado to a minor league contract. |
| Jul 2, 2019 | Signed as free agent | Angel Contreras | — | Cleveland Guardians | Cleveland Indians signed free agent SS Angel Contreras to a minor league contract. |
| Jul 2, 2019 | Signed as free agent | Jose Devers | — | Cleveland Guardians | Cleveland Indians signed free agent SS Jose Devers to a minor league contract. |
| Jul 2, 2019 | Signed as free agent | Luis Durango | — | Cleveland Guardians | Cleveland Indians signed free agent CF Luis Durango to a minor league contract. |
| Jul 2, 2019 | Signed as free agent | Maikol Flores | — | Cleveland Guardians | Cleveland Indians signed free agent OF Maikol Flores to a minor league contract. |
| Jul 2, 2019 | Signed as free agent | Victor Garcia | — | Cleveland Guardians | Cleveland Indians signed free agent RHP Victor Garcia to a minor league contract. |
| Jul 2, 2019 | Signed as free agent | Yorman Gómez | — | Cleveland Guardians | Cleveland Indians signed free agent RHP Yorman Gomez to a minor league contract. |
| Jul 2, 2019 | Signed as free agent | Danny Medina | — | Cleveland Guardians | Cleveland Indians signed free agent RHP Danny Medina to a minor league contract. |
| Jul 2, 2019 | Signed as free agent | Esteban González | — | Cleveland Guardians | Cleveland Indians signed free agent CF Esteban Gonzalez to a minor league contract. |
| Jul 2, 2019 | Signed as free agent | Jhoan Gomez | — | Cleveland Guardians | Cleveland Indians signed free agent SS Jhoan Gomez to a minor league contract. |
| Jul 2, 2019 | Signed as free agent | Lexer Saduy | — | Cleveland Guardians | Cleveland Indians signed free agent CF Lexer Saduy to a minor league contract. |
| Jul 2, 2019 | Signed as free agent | Angel Mendoza | — | Cleveland Guardians | Cleveland Indians signed free agent CF Angel Mendoza to a minor league contract. |
| Jul 2, 2019 | Signed as free agent | Samuel Parra | — | Cleveland Guardians | Cleveland Indians signed free agent CF Samuel Parra to a minor league contract. |
| Jul 2, 2019 | Signed as free agent | Juan Rodriguez | — | Cleveland Guardians | Cleveland Indians signed free agent CF Juan Rodriguez to a minor league contract. |
| Jul 2, 2019 | Signed as free agent | Kevin Rivas | — | Cleveland Guardians | Cleveland Indians signed free agent SS Kevin Rivas to a minor league contract. |
| Jul 2, 2019 | Signed as free agent | Kenny Pinto | — | Cleveland Guardians | Cleveland Indians signed free agent LHP Kenny Pinto to a minor league contract. |
| Jul 2, 2019 | Signed as free agent | Erickson Sarita | — | Cleveland Guardians | Cleveland Indians signed free agent OF Erickson Sarita to a minor league contract. |
| Jul 2, 2019 | Signed as free agent | Simon Rodriguez | — | Cleveland Guardians | Cleveland Indians signed free agent CF Simon Rodriguez to a minor league contract. |
| Jul 2, 2019 | Signed as free agent | Wandi Montout | — | Pittsburgh Pirates | Pittsburgh Pirates signed free agent RHP Wandi Montout to a minor league contract. |
| Jul 2, 2019 | Signed as free agent | Wander Arias | — | Kansas City Royals | Kansas City Royals signed free agent RHP Wander Arias to a minor league contract. |
| Jul 2, 2019 | Signed as free agent | Nelvis Ochoa | — | Colorado Rockies | Colorado Rockies signed free agent RHP Nelvis Ochoa to a minor league contract. |
| Jul 2, 2019 | Signed as free agent | Alberto Pacheco | — | Colorado Rockies | Colorado Rockies signed free agent LHP Alberto Pacheco to a minor league contract. |
| Jul 2, 2019 | Signed as free agent | Adrian Pinto | — | Colorado Rockies | Colorado Rockies signed free agent IF Adrian Pinto to a minor league contract. |
| Jul 2, 2019 | Signed as free agent | Erick Bello | — | Chicago White Sox | Chicago White Sox signed free agent RHP Erick Bello to a minor league contract. |
| Jul 2, 2019 | Signed as free agent | Oscar Aude | — | Colorado Rockies | Colorado Rockies signed free agent OF Oscar Aude to a minor league contract. |
| Jul 2, 2019 | Signed as free agent | Juan Castillo | — | Colorado Rockies | Colorado Rockies signed free agent C Juan Castillo to a minor league contract. |
| Jul 2, 2019 | Signed as free agent | Esneider Gomez | — | Colorado Rockies | Colorado Rockies signed free agent IF Esneider Gomez to a minor league contract. |
| Jul 2, 2019 | Signed as free agent | Angel Jimenez | — | Colorado Rockies | Colorado Rockies signed free agent RHP Angel Jimenez to a minor league contract. |
| Jul 2, 2019 | Signed as free agent | Cristian Mena | — | Chicago White Sox | Chicago White Sox signed free agent RHP Cristian Mena to a minor league contract. |
| Jul 2, 2019 | Signed as free agent | Wilfred Veras | — | Chicago White Sox | Chicago White Sox signed free agent 3B Wilfred Veras to a minor league contract. |
| Jul 2, 2019 | Signed as free agent | Jorge Boyer | — | Detroit Tigers | Detroit Tigers signed free agent LHP Jorge Boyer to a minor league contract. |
| Jul 2, 2019 | Signed as free agent | Everette Cooper | — | Houston Astros | Houston Astros signed free agent OF Everette Cooper to a minor league contract. |
| Jul 2, 2019 | Signed as free agent | Raudy De Los Santos | — | Detroit Tigers | Detroit Tigers signed free agent SS Raudy De Los Santos to a minor league contract. |
| Jul 2, 2019 | Signed as free agent | Wilmer A. Fenelon | — | Detroit Tigers | Detroit Tigers signed free agent RHP Wilmer A. Fenelon to a minor league contract. |
| Jul 2, 2019 | Signed as free agent | Ricardo Hurtado | — | Detroit Tigers | Detroit Tigers signed free agent C Ricardo Hurtado to a minor league contract. |
| Jul 2, 2019 | Signed as free agent | Edgardo Ibarra | — | Detroit Tigers | Detroit Tigers signed free agent LHP Edgardo Ibarra to a minor league contract. |
| Jul 2, 2019 | Signed as free agent | Abelaldo Lopez | — | Detroit Tigers | Detroit Tigers signed free agent OF Abelaldo Lopez to a minor league contract. |
| Jul 2, 2019 | Signed as free agent | Jesus Machado | — | Detroit Tigers | Detroit Tigers signed free agent IF Jesus Machado to a minor league contract. |
| Jul 2, 2019 | Signed as free agent | Dany Martinez | — | Detroit Tigers | Detroit Tigers signed free agent C Dany Martinez to a minor league contract. |
| Jul 2, 2019 | Signed as free agent | Manuel Sequera | — | Detroit Tigers | Detroit Tigers signed free agent SS Manuel Sequera to a minor league contract. |
| Jul 2, 2019 | Signed as free agent | Samuel Rojas | — | Detroit Tigers | Detroit Tigers signed free agent C Samuel Rojas to a minor league contract. |
| Jul 2, 2019 | Signed as free agent | Yoel Viloria | — | Detroit Tigers | Detroit Tigers signed free agent IF Yoel Viloria to a minor league contract. |
| Jul 2, 2019 | Signed as free agent | Luis Encarnacion | — | Houston Astros | Houston Astros signed free agent IF Luis Encarnacion to a minor league contract. |
| Jul 2, 2019 | Signed as free agent | Fernando Caldera | — | Houston Astros | Houston Astros signed free agent C Fernando Caldera to a minor league contract. |
| Jul 2, 2019 | Signed as free agent | Denfry De La Cruz | — | Houston Astros | Houston Astros signed free agent OF Denfry De La Cruz to a minor league contract. |
| Jul 2, 2019 | Signed as free agent | Elvis Garcia | — | Houston Astros | Houston Astros signed free agent RHP Elvis Garcia to a minor league contract. |
| Jul 2, 2019 | Signed as free agent | Richi Gonzalez | — | Houston Astros | Houston Astros signed free agent OF Richi Gonzalez to a minor league contract. |
| Jul 2, 2019 | Signed | Karl Kauffmann | — | Colorado Rockies | Colorado Rockies signed RHP Karl Kauffmann. |
| Jul 2, 2019 | Signed as free agent | Danyuri Guzman | — | Houston Astros | Houston Astros signed free agent RHP Danyuri Guzman to a minor league contract. |
| Jul 2, 2019 | Signed as free agent | Eurys Martich | — | Houston Astros | Houston Astros signed free agent RHP Eurys Martich to a minor league contract. |
| Jul 2, 2019 | Signed as free agent | Christopher Morales | — | Houston Astros | Houston Astros signed free agent OF Christopher Morales to a minor league contract. |
| Jul 2, 2019 | Signed as free agent | Josue Payano | — | Houston Astros | Houston Astros signed free agent IF Josue Payano to a minor league contract. |
| Jul 2, 2019 | Signed as free agent | Luis Perez | — | Houston Astros | Houston Astros signed free agent OF Luis Perez to a minor league contract. |
| Jul 2, 2019 | Signed as free agent | Juan Santander | — | Houston Astros | Houston Astros signed free agent C Juan Santander to a minor league contract. |
| Jul 2, 2019 | Signed as free agent | Yeudi Advincola | — | Kansas City Royals | Kansas City Royals signed free agent SS Yeudi Advincola to a minor league contract. |
| Jul 2, 2019 | Signed as free agent | Jemir Leal | — | Kansas City Royals | Kansas City Royals signed free agent RHP Jemir Leal to a minor league contract. |
| Jul 2, 2019 | Signed as free agent | Jorge Celado | — | Kansas City Royals | Kansas City Royals signed free agent SS Jorge Celado to a minor league contract. |
| Jul 2, 2019 | Signed as free agent | Ethan De Cuba | — | Kansas City Royals | Kansas City Royals signed free agent OF Ethan De Cuba to a minor league contract. |
| Jul 2, 2019 | Signed as free agent | Geury Felipe | — | Kansas City Royals | Kansas City Royals signed free agent LHP Geury Felipe to a minor league contract. |
| Jul 2, 2019 | Signed as free agent | Emilio Castillo | — | Kansas City Royals | Kansas City Royals signed free agent LHP Emilio Castillo to a minor league contract. |
| Jul 2, 2019 | Signed as free agent | Aldrin Lucas | — | Kansas City Royals | Kansas City Royals signed free agent C Aldrin Lucas to a minor league contract. |
| Jul 2, 2019 | Signed as free agent | Jairo Mendez | — | Kansas City Royals | Kansas City Royals signed free agent OF Jairo Mendez to a minor league contract. |
| Jul 2, 2019 | Signed as free agent | Jorge Morales | — | Kansas City Royals | Kansas City Royals signed free agent C Jorge Morales to a minor league contract. |
| Jul 2, 2019 | Signed as free agent | Omar Nuel | — | Kansas City Royals | Kansas City Royals signed free agent OF Omar Nuel to a minor league contract. |
| Jul 2, 2019 | Signed as free agent | Lizandro Rodriguez | — | Kansas City Royals | Kansas City Royals signed free agent SS Lizandro Rodriguez to a minor league contract. |
| Jul 2, 2019 | Signed as free agent | Yolbert Sanchez | — | Chicago White Sox | Chicago White Sox signed free agent SS Yolbert Sanchez to a minor league contract. |
| Jul 2, 2019 | Signed as free agent | Jairold Carlito | — | Colorado Rockies | Colorado Rockies signed free agent OF Jairold Carlito to a minor league contract. |
| Jul 2, 2019 | Signed | Michael Limoncelli | — | Seattle Mariners | Seattle Mariners signed RHP Michael Limoncelli. |
| Jul 2, 2019 | Signed as free agent | Elijah Tatis | — | Chicago White Sox | Chicago White Sox signed free agent SS Elijah Tatis to a minor league contract. |
| Jul 2, 2019 | Signed as free agent | Goalber Lopez | — | Los Angeles Dodgers | Los Angeles Dodgers signed free agent C Goalber Lopez to a minor league contract. |
| Jul 2, 2019 | Signed as free agent | Yorcy Ratia | — | Los Angeles Dodgers | Los Angeles Dodgers signed free agent C Yorcy Ratia to a minor league contract. |
| Jul 2, 2019 | Signed as free agent | Franniel Capriata | — | Los Angeles Dodgers | Los Angeles Dodgers signed free agent RHP Franniel Capriata to a minor league contract. |
| Jul 2, 2019 | Signed as free agent | Antonio De Jesus | — | Los Angeles Dodgers | Los Angeles Dodgers signed free agent RHP Antonio De Jesus to a minor league contract. |
| Jul 2, 2019 | Signed as free agent | Roger Caraballo | — | Los Angeles Dodgers | Los Angeles Dodgers signed free agent OF Roger Caraballo to a minor league contract. |
| Jul 2, 2019 | Signed | Cristofer Tejada | — | Los Angeles Angels | Los Angeles Angels signed RHP Cristofer Tejada. |
| Jul 2, 2019 | Signed as free agent | Adalberto Vargas | — | Cleveland Guardians | Cleveland Indians signed free agent C Adalberto Vargas to a minor league contract. |
| Jul 2, 2019 | Signed as free agent | Rafael Dotel | — | Los Angeles Dodgers | Los Angeles Dodgers signed free agent OF Rafael Dotel to a minor league contract. |
| Jul 2, 2019 | Signed as free agent | Darol Garcia | — | Los Angeles Dodgers | Los Angeles Dodgers signed free agent SS Darol Garcia to a minor league contract. |
| Jul 2, 2019 | Signed as free agent | Yeiner Fernandez | — | Los Angeles Dodgers | Los Angeles Dodgers signed free agent C Yeiner Fernandez to a minor league contract. |
| Jul 2, 2019 | Signed as free agent | Jose D. Hernandez | — | Los Angeles Dodgers | Los Angeles Dodgers signed free agent SS Jose Hernandez to a minor league contract. |
| Jul 2, 2019 | Signed as free agent | Jose Grateron | — | Los Angeles Dodgers | Los Angeles Dodgers signed free agent RHP Jose Grateron to a minor league contract. |
| Jul 2, 2019 | Signed as free agent | Jean Herrera | — | Los Angeles Dodgers | Los Angeles Dodgers signed free agent RHP Jean Herrera to a minor league contract. |
| Jul 2, 2019 | Signed as free agent | Carlos Martinez | — | Los Angeles Dodgers | Los Angeles Dodgers signed free agent RHP Carlos Martinez to a minor league contract. |
| Jul 2, 2019 | Signed as free agent | Alberluis Matos | — | Los Angeles Dodgers | Los Angeles Dodgers signed free agent LHP Alberluis Matos to a minor league contract. |
| Jul 2, 2019 | Signed as free agent | Juan Idrogo | — | Los Angeles Dodgers | Los Angeles Dodgers signed free agent RHP Juan Idrogo to a minor league contract. |
| Jul 2, 2019 | Signed as free agent | Rolando Petronia | — | Los Angeles Dodgers | Los Angeles Dodgers signed free agent SS Rolando Petronia to a minor league contract. |
| Jul 2, 2019 | Signed as free agent | Reggie Valdez | — | Los Angeles Angels | Los Angeles Angels signed free agent RHP Reggie Valdez to a minor league contract. |
| Jul 2, 2019 | Signed as free agent | Waylin Santana | — | Los Angeles Dodgers | Los Angeles Dodgers signed free agent RHP Waylin Santana to a minor league contract. |
| Jul 2, 2019 | Signed as free agent | Yohensy Segura | — | Los Angeles Dodgers | Los Angeles Dodgers signed free agent OF Yohensy Segura to a minor league contract. |
| Jul 2, 2019 | Signed as free agent | Geremias Valencia | — | Los Angeles Dodgers | Los Angeles Dodgers signed free agent OF Geremias Valencia to a minor league contract. |
| Jul 2, 2019 | Signed as free agent | Lioner Vasquez | — | Los Angeles Dodgers | Los Angeles Dodgers signed free agent RHP Lioner Vasquez to a minor league contract. |
| Jul 2, 2019 | Signed as free agent | Victor Sosa | — | Los Angeles Dodgers | Los Angeles Dodgers signed free agent CF Victor Sosa to a minor league contract. |
| Jul 2, 2019 | Signed as free agent | Johan Macias | — | Los Angeles Angels | Los Angeles Angels signed free agent SS Johan Macias to a minor league contract. |
| Jul 2, 2019 | Signed as free agent | Jose Aleman | — | Los Angeles Angels | Los Angeles Angels signed free agent RHP Jose Aleman to a minor league contract. |
| Jul 2, 2019 | Signed as free agent | Sandi Charle | — | Los Angeles Angels | Los Angeles Angels signed free agent RHP Sandi Charle to a minor league contract. |
| Jul 2, 2019 | Signed as free agent | Wrayan Diaz | — | Los Angeles Angels | Los Angeles Angels signed free agent LHP Wrayan Diaz to a minor league contract. |
| Jul 2, 2019 | Signed as free agent | Adrian Pena | — | Los Angeles Angels | Los Angeles Angels signed free agent RHP Adrian Pena to a minor league contract. |
| Jul 2, 2019 | Signed as free agent | Alejandro Hidalgo | — | Los Angeles Angels | Los Angeles Angels signed free agent RHP Alejandro Hidalgo to a minor league contract. |
| Jul 2, 2019 | Signed as free agent | Diego Perez | — | Los Angeles Angels | Los Angeles Angels signed free agent CF Diego Perez to a minor league contract. |
| Jul 2, 2019 | Signed as free agent | Adrian Rodriguez | — | Cleveland Guardians | Cleveland Indians signed free agent RHP Adrian Rodriguez to a minor league contract. |
| Jul 2, 2019 | Signed as free agent | Enderjer Sifontes | — | Los Angeles Angels | Los Angeles Angels signed free agent RHP Enderjer Sifontes to a minor league contract. |
| Jul 2, 2019 | Signed as free agent | Renny Hidalgo | — | Miami Marlins | Miami Marlins signed free agent OF Renny Hidalgo to a minor league contract. |
| Jul 2, 2019 | Signed as free agent | Yeremi Villahermosa | — | Los Angeles Angels | Los Angeles Angels signed free agent C Yeremi Villahermosa to a minor league contract. |
| Jul 2, 2019 | Signed as free agent | Julio Torres | — | Los Angeles Angels | Los Angeles Angels signed free agent LHP Julio Torres to a minor league contract. |
| Jul 2, 2019 | Signed as free agent | Eury Pérez | — | Miami Marlins | Miami Marlins signed free agent RHP Eury Perez to a minor league contract. |
| Jul 2, 2019 | Signed as free agent | Ian Lewis Jr. | — | Miami Marlins | Miami Marlins signed free agent SS Ian Lewis to a minor league contract. |
| Jul 2, 2019 | Signed as free agent | Cristian Millan | — | Miami Marlins | Miami Marlins signed free agent RHP Cristian Millan to a minor league contract. |
| Jul 2, 2019 | Signed as free agent | Jean Reyes | — | Miami Marlins | Miami Marlins signed free agent RHP Jean Reyes to a minor league contract. |
| Jul 2, 2019 | Signed as free agent | Germain Ruiz | — | Miami Marlins | Miami Marlins signed free agent OF Germain Ruiz to a minor league contract. |
| Jul 2, 2019 | Signed as free agent | Javier Sanoja | — | Miami Marlins | Miami Marlins signed free agent SS Javier Sanoja to a minor league contract. |
| Jul 2, 2019 | Signed as free agent | Miguel Rodriguez | — | Miami Marlins | Miami Marlins signed free agent SS Miguel Rodriguez to a minor league contract. |
| Jul 2, 2019 | Signed as free agent | Deivid Alvis | — | Milwaukee Brewers | Milwaukee Brewers signed free agent OF Deivid Alvis to a minor league contract. |
| Jul 2, 2019 | Signed as free agent | DJ Jefferson | — | Philadelphia Phillies | Philadelphia Phillies signed free agent RHP DJ Figgins-Jefferson to a minor league contract. |
| Jul 2, 2019 | Signed as free agent | Miguel Briceno | — | Milwaukee Brewers | Milwaukee Brewers signed free agent SS Miguel Briceno to a minor league contract. |
| Jul 2, 2019 | Signed as free agent | Jose Caballero | — | Milwaukee Brewers | Milwaukee Brewers signed free agent IF Jose Caballero to a minor league contract. |
| Jul 2, 2019 | Signed as free agent | Alberto Ciprian | — | Milwaukee Brewers | Milwaukee Brewers signed free agent IF Alberto Ciprian to a minor league contract. |
| Jul 2, 2019 | Signed as free agent | Eduarh Colina | — | Milwaukee Brewers | Milwaukee Brewers signed free agent CF Eduarh Colina to a minor league contract. |
| Jul 2, 2019 | Signed as free agent | Blayberg Diaz | — | Milwaukee Brewers | Milwaukee Brewers signed free agent C Blayberg Diaz to a minor league contract. |
| Jul 2, 2019 | Signed as free agent | Brenny Escanio | — | Milwaukee Brewers | Milwaukee Brewers signed free agent SS Brenny Escanio to a minor league contract. |
| Jul 2, 2019 | Signed as free agent | Stiven Cruz | — | Milwaukee Brewers | Milwaukee Brewers signed free agent RHP Stiven Cruz to a minor league contract. |
| Jul 2, 2019 | Signed as free agent | Enmanuel Feliz | — | Milwaukee Brewers | Milwaukee Brewers signed free agent RF Enmanuel Feliz to a minor league contract. |
| Jul 2, 2019 | Signed as free agent | Mendy Ferreira | — | Milwaukee Brewers | Milwaukee Brewers signed free agent OF Mendy Ferreira to a minor league contract. |
| Jul 2, 2019 | Signed as free agent | Michael Perdomo | — | Milwaukee Brewers | Milwaukee Brewers signed free agent RHP Michael Perdomo to a minor league contract. |
| Jul 2, 2019 | Signed as free agent | Jose Gonzalez | — | Milwaukee Brewers | Milwaukee Brewers signed free agent OF Jose Gonzalez to a minor league contract. |
| Jul 2, 2019 | Signed as free agent | Mauro Garcia | — | Milwaukee Brewers | Milwaukee Brewers signed free agent SS Mauro Garcia to a minor league contract. |
| Jul 2, 2019 | Signed as free agent | Beyker Pastran | — | Milwaukee Brewers | Milwaukee Brewers signed free agent SS Beyker Pastran to a minor league contract. |
| Jul 2, 2019 | Signed as free agent | Diego Larez | — | Milwaukee Brewers | Milwaukee Brewers signed free agent CF Diego Larez to a minor league contract. |
| Jul 2, 2019 | Signed as free agent | Jeferson Quero | — | Milwaukee Brewers | Milwaukee Brewers signed free agent C Jeferson Quero to a minor league contract. |
| Jul 2, 2019 | Signed as free agent | Alexander Perez | — | Milwaukee Brewers | Milwaukee Brewers signed free agent SS Alexander Perez to a minor league contract. |
| Jul 2, 2019 | Signed as free agent | Miguel Segura | — | Milwaukee Brewers | Milwaukee Brewers signed free agent RHP Miguel Segura to a minor league contract. |
| Jul 2, 2019 | Signed as free agent | Breilin Ramirez | — | Minnesota Twins | Minnesota Twins signed free agent 3B Breilin Ramirez to a minor league contract. |
| Jul 2, 2019 | Signed as free agent | Joseph Yabbour | — | Minnesota Twins | Minnesota Twins signed free agent RHP Joseph Yabbour to a minor league contract. |
| Jul 2, 2019 | Signed as free agent | Jheremy Vargas | — | Milwaukee Brewers | Milwaukee Brewers signed free agent SS Jheremy Vargas to a minor league contract. |
| Jul 2, 2019 | Signed as free agent | Jamal Zalm | — | Milwaukee Brewers | Milwaukee Brewers signed free agent SS Jamal Zalm to a minor league contract. |
| Jul 2, 2019 | Signed as free agent | Luis Watter | — | Milwaukee Brewers | Milwaukee Brewers signed free agent IF Luis Watter to a minor league contract. |
| Jul 2, 2019 | Signed as free agent | Miguelangel Boadas | — | Minnesota Twins | Minnesota Twins signed free agent RHP Miguelangel Boadas to a minor league contract. |
| Jul 2, 2019 | Signed as free agent | Gregory Duran | — | Minnesota Twins | Minnesota Twins signed free agent OF Gregory Duran to a minor league contract. |
| Jul 2, 2019 | Signed as free agent | Argenis Jimenez | — | Minnesota Twins | Minnesota Twins signed free agent OF Argenis Jimenez to a minor league contract. |
| Jul 2, 2019 | Signed as free agent | Ricardo Olivar | — | Minnesota Twins | Minnesota Twins signed free agent C Ricardo Olivar to a minor league contract. |
| Jul 2, 2019 | Signed as free agent | Yonardy Soto | — | Minnesota Twins | Minnesota Twins signed free agent 1B Yonardy Soto to a minor league contract. |
| Jul 2, 2019 | Signed as free agent | Malfrin Sosa | — | Minnesota Twins | Minnesota Twins signed free agent OF Malfrin Sosa to a minor league contract. |
| Jul 2, 2019 | Signed as free agent | Jose Croquer | — | New York Mets | New York Mets signed free agent SS Jose Croquer to a minor league contract. |
| Jul 2, 2019 | Signed as free agent | Jean Acevedo | — | New York Mets | New York Mets signed free agent RHP Jean Acevedo to a minor league contract. |
| Jul 2, 2019 | Signed as free agent | Amilcar Vasquez | — | Minnesota Twins | Minnesota Twins signed free agent C Amilcar Vasquez to a minor league contract. |
| Jul 2, 2019 | Signed as free agent | Jose Acuna | — | New York Mets | New York Mets signed free agent RHP Jose Acuna to a minor league contract. |
| Jul 2, 2019 | Signed as free agent | Jostyn Almonte | — | New York Mets | New York Mets signed free agent OF Jostyn Almonte to a minor league contract. |
| Jul 2, 2019 | Signed as free agent | Jhasua Coronado | — | New York Mets | New York Mets signed free agent RHP Jhasua Coronado to a minor league contract. |
| Jul 2, 2019 | Signed as free agent | Robert Hendrick | — | New York Mets | New York Mets signed free agent OF Robert Hendrick to a minor league contract. |
| Jul 2, 2019 | Signed as free agent | Jefrey De Los Santos | — | New York Mets | New York Mets signed free agent SS Jefrey De Los Santos to a minor league contract. |
| Jul 2, 2019 | Signed as free agent | Joel Flores | — | New York Mets | New York Mets signed free agent OF Joel Flores to a minor league contract. |
| Jul 2, 2019 | Signed | Mitchell Stumpo | — | Arizona Diamondbacks | Arizona Diamondbacks signed RHP Mitchell Stumpo. |
| Jul 2, 2019 | Signed as free agent | Jhoandry Gonzalez | — | New York Mets | New York Mets signed free agent OF Jhoandry Gonzalez to a minor league contract. |
| Jul 2, 2019 | Signed as free agent | Gregory Leal | — | New York Mets | New York Mets signed free agent C Gregory Leal to a minor league contract. |
| Jul 2, 2019 | Signed as free agent | Jose Dominguez | — | New York Mets | New York Mets signed free agent RHP Jose Dominguez to a minor league contract. |
| Jul 2, 2019 | Signed as free agent | Victor González | — | New York Mets | New York Mets signed free agent SS Victor Gonzalez to a minor league contract. |
| Jul 2, 2019 | Signed as free agent | Carlos Gomez | — | New York Mets | New York Mets signed free agent RHP Carlos Gomez to a minor league contract. |
| Jul 2, 2019 | Signed as free agent | Carlos Lara | — | New York Mets | New York Mets signed free agent RHP Carlos Lara to a minor league contract. |
| Jul 2, 2019 | Signed as free agent | Alexander Lopez | — | New York Mets | New York Mets signed free agent RHP Alexander Lopez to a minor league contract. |
| Jul 2, 2019 | Signed as free agent | Adrian Lander | — | New York Mets | New York Mets signed free agent C Adrian Lander to a minor league contract. |
| Jul 2, 2019 | Signed as free agent | Fabian Machado | — | New York Mets | New York Mets signed free agent OF Fabian Machado to a minor league contract. |
| Jul 2, 2019 | Signed as free agent | Fraudy Maldonado | — | New York Mets | New York Mets signed free agent LHP Fraudy Maldonado to a minor league contract. |
| Jul 2, 2019 | Signed as free agent | Yeral Martinez | — | New York Mets | New York Mets signed free agent OF Yeral Martinez to a minor league contract. |
| Jul 2, 2019 | Signed as free agent | Boris Minaya | — | New York Mets | New York Mets signed free agent OF Boris Minaya to a minor league contract. |
| Jul 2, 2019 | Signed as free agent | Luis Montas | — | New York Mets | New York Mets signed free agent RHP Luis Montas to a minor league contract. |
| Jul 2, 2019 | Signed as free agent | Isnael Monegro | — | New York Mets | New York Mets signed free agent SS Isnael Monegro to a minor league contract. |
| Jul 2, 2019 | Signed as free agent | Rikelvis Nunez | — | New York Mets | New York Mets signed free agent RHP Rikelvis Nunez to a minor league contract. |
| Jul 2, 2019 | Signed as free agent | Jonaiker Palacios | — | New York Mets | New York Mets signed free agent RHP Jonaiker Palacios to a minor league contract. |
| Jul 2, 2019 | Signed as free agent | Jeremy Peguero | — | New York Mets | New York Mets signed free agent LHP Jeremy Peguero to a minor league contract. |
| Jul 2, 2019 | Signed as free agent | Junior Tilien | — | New York Mets | New York Mets signed free agent SS Junior Tilien to a minor league contract. |
| Jul 2, 2019 | Signed as free agent | Juan Pacheco | — | New York Mets | New York Mets signed free agent RHP Juan Pacheco to a minor league contract. |
| Jul 2, 2019 | Signed as free agent | Vincent Perozo | — | New York Mets | New York Mets signed free agent C Vincent Perozo to a minor league contract. |
| Jul 2, 2019 | Signed as free agent | Luis R. Rodriguez | — | New York Mets | New York Mets signed free agent LHP Luis Rodriguez to a minor league contract. |
| Jul 2, 2019 | Signed as free agent | Efren Ramos | — | New York Mets | New York Mets signed free agent RHP Efren Ramos to a minor league contract. |
| Jul 2, 2019 | Signed as free agent | Kevin Ribon | — | New York Mets | New York Mets signed free agent RHP Kevin Ribon to a minor league contract. |
| Jul 2, 2019 | Signed as free agent | Jorge Rodriguez | — | New York Mets | New York Mets signed free agent RHP Jorge Rodriguez to a minor league contract. |
| Jul 2, 2019 | Signed as free agent | Eric Santana | — | New York Mets | New York Mets signed free agent CF Eric Santana to a minor league contract. |
| Jul 2, 2019 | Signed | James Nix | — | Houston Astros | Houston Astros signed OF James Nix. |
| Jul 2, 2019 | Signed as free agent | Roberto Campos | — | Detroit Tigers | Detroit Tigers signed free agent OF Roberto Campos to a minor league contract. |
| Jul 2, 2019 | Signed as free agent | Riordan Oropeza | — | New York Yankees | New York Yankees signed free agent RHP Riordan Oropeza to a minor league contract. |
| Jul 2, 2019 | Signed as free agent | Carlos Herrera | — | New York Yankees | New York Yankees signed free agent C Carlos Herrera to a minor league contract. |
| Jul 2, 2019 | Signed as free agent | Miguel Pozo | — | New York Yankees | New York Yankees signed free agent LHP Miguel Pozo to a minor league contract. |
| Jul 2, 2019 | Signed as free agent | Angel Sanchez | — | New York Yankees | New York Yankees signed free agent LHP Angel Sanchez to a minor league contract. |
| Jul 2, 2019 | Signed as free agent | Gerardo Abrego | — | New York Yankees | New York Yankees signed free agent RHP Gerardo Abrego to a minor league contract. |
| Jul 2, 2019 | Signed as free agent | Jeison Anillo | — | New York Yankees | New York Yankees signed free agent 2B Jeison Anillo to a minor league contract. |
| Jul 2, 2019 | Signed as free agent | Lester Beltran | — | New York Yankees | New York Yankees signed free agent LHP Lester Beltran to a minor league contract. |
| Jul 2, 2019 | Signed as free agent | Jesus Bravo | — | New York Yankees | New York Yankees signed free agent C Jesus Bravo to a minor league contract. |
| Jul 2, 2019 | Signed as free agent | Donys Garcia | — | New York Yankees | New York Yankees signed free agent RHP Donys Garcia to a minor league contract. |
| Jul 2, 2019 | Signed as free agent | Yordi Pichardo | — | New York Yankees | New York Yankees signed free agent RHP Yordi Pichardo to a minor league contract. |
| Jul 2, 2019 | Signed as free agent | Geralmi Santana | — | New York Yankees | New York Yankees signed free agent RHP Geralmi Santana to a minor league contract. |
| Jul 2, 2019 | Signed as free agent | Felixander Severino | — | New York Yankees | New York Yankees signed free agent CF Felixander Severino to a minor league contract. |
| Jul 2, 2019 | Signed as free agent | Luis Urbano | — | New York Yankees | New York Yankees signed free agent LHP Luis Urbano to a minor league contract. |
| Jul 2, 2019 | Signed as free agent | Marco Breindembach | — | Athletics | Oakland Athletics signed free agent RHP Marco Breindembach to a minor league contract. |
| Jul 2, 2019 | Signed as free agent | Jasmed Diaz | — | Athletics | Oakland Athletics signed free agent OF Jasmed Diaz to a minor league contract. |
| Jul 2, 2019 | Signed as free agent | Jared Serna | — | New York Yankees | New York Yankees signed free agent 2B Jared Serna to a minor league contract. |
| Jul 2, 2019 | Signed as free agent | Pedro Torrealba | — | Athletics | Oakland Athletics signed free agent RHP Pedro Torrealba to a minor league contract. |
| Jul 2, 2019 | Signed as free agent | Carlos Franco | — | Athletics | Oakland Athletics signed free agent C Carlos Franco to a minor league contract. |
| Jul 2, 2019 | Signed as free agent | Jayson Gainza | — | Athletics | Oakland Athletics signed free agent C Jayson Gainza to a minor league contract. |
| Jul 2, 2019 | Signed as free agent | Moises Gallardo | — | Athletics | Oakland Athletics signed free agent CF Moises Gallardo to a minor league contract. |
| Jul 2, 2019 | Signed as free agent | Erubiel Fuentes | — | Athletics | Oakland Athletics signed free agent 2B Erubiel Fuentes to a minor league contract. |
| Jul 2, 2019 | Signed as free agent | Joseph Rodriguez | — | Athletics | Oakland Athletics signed free agent OF Joseph Rodriguez to a minor league contract. |
| Jul 2, 2019 | Signed | Phil Clarke | — | Toronto Blue Jays | Toronto Blue Jays signed C Philip Clarke. |
| Jul 2, 2019 | Signed as free agent | Jean Cabrera | — | Philadelphia Phillies | Philadelphia Phillies signed free agent RHP Jean Cabrera to a minor league contract. |
| Jul 2, 2019 | Signed as free agent | Jose Colmenarez | — | Philadelphia Phillies | Philadelphia Phillies signed free agent C Jose Colmenarez to a minor league contract. |
| Jul 2, 2019 | Signed as free agent | Fernando Hernandez | — | Philadelphia Phillies | Philadelphia Phillies signed free agent IF Fernando Hernandez to a minor league contract. |
| Jul 2, 2019 | Signed as free agent | Diego Linares | — | Philadelphia Phillies | Philadelphia Phillies signed free agent RHP Diego Linares to a minor league contract. |
| Jul 2, 2019 | Signed as free agent | Diego Gonzalez | — | Philadelphia Phillies | Philadelphia Phillies signed free agent IF Diego Gonzalez to a minor league contract. |
| Jul 2, 2019 | Signed as free agent | Enyer Graterol | — | Philadelphia Phillies | Philadelphia Phillies signed free agent IF Enyer Graterol to a minor league contract. |
| Jul 2, 2019 | Signed as free agent | Jackie Pertuz | — | Philadelphia Phillies | Philadelphia Phillies signed free agent C Jackie Pertuz to a minor league contract. |
| Jul 2, 2019 | Signed as free agent | Raibently Mercalina | — | Philadelphia Phillies | Philadelphia Phillies signed free agent SS Raibently Mercalina to a minor league contract. |
| Jul 2, 2019 | Signed as free agent | Jesus Querales | — | Philadelphia Phillies | Philadelphia Phillies signed free agent RHP Jesus Querales to a minor league contract. |
| Jul 2, 2019 | Signed as free agent | Jehisbert Sevilla | — | Philadelphia Phillies | Philadelphia Phillies signed free agent IF Jehisbert Sevilla to a minor league contract. |
| Jul 2, 2019 | Signed as free agent | Jean Hernandez | — | Philadelphia Phillies | Philadelphia Phillies signed free agent RHP Jean Hernandez to a minor league contract. |
| Jul 2, 2019 | Signed as free agent | Esteban Cabrera | — | Philadelphia Phillies | Philadelphia Phillies signed free agent RHP Esteban Cabrera to a minor league contract. |
| Jul 2, 2019 | Signed as free agent | Ricardo Rosario | — | Philadelphia Phillies | Philadelphia Phillies signed free agent OF Ricardo Rosario to a minor league contract. |
| Jul 2, 2019 | Signed as free agent | Giussepe Velasquez | — | Philadelphia Phillies | Philadelphia Phillies signed free agent RHP Giussepe Velasquez to a minor league contract. |
| Jul 2, 2019 | Signed as free agent | Brahian Silva | — | Philadelphia Phillies | Philadelphia Phillies signed free agent C Brahian Silva to a minor league contract. |
| Jul 2, 2019 | Signed as free agent | Santiago Torres | — | Philadelphia Phillies | Philadelphia Phillies signed free agent OF Santiago Torres to a minor league contract. |
| Jul 2, 2019 | Signed as free agent | Randy Vasquez | — | Philadelphia Phillies | Philadelphia Phillies signed free agent SS Randy Vasquez to a minor league contract. |
| Jul 2, 2019 | Signed as free agent | Gilberto Alcala | — | Pittsburgh Pirates | Pittsburgh Pirates signed free agent RHP Gilberto Alcala to a minor league contract. |
| Jul 2, 2019 | Signed as free agent | Jesus Castillo | — | Pittsburgh Pirates | Pittsburgh Pirates signed free agent RHP Jesus Castillo to a minor league contract. |
| Jul 2, 2019 | Signed as free agent | Diego Chiquillo | — | Pittsburgh Pirates | Pittsburgh Pirates signed free agent LHP Diego Chiquillo to a minor league contract. |
| Jul 2, 2019 | Signed as free agent | Luis Faringthon | — | Pittsburgh Pirates | Pittsburgh Pirates signed free agent RHP Luis Faringthon to a minor league contract. |
| Jul 2, 2019 | Signed as free agent | Yojeiry Osoria | — | Pittsburgh Pirates | Pittsburgh Pirates signed free agent LHP Yojeiry Osoria to a minor league contract. |
| Jul 2, 2019 | Signed as free agent | Tsung-Che Cheng | — | Pittsburgh Pirates | Pittsburgh Pirates signed free agent SS Tsung-Che Cheng to a minor league contract. |
| Jul 2, 2019 | Signed as free agent | Robert De Paula | — | Pittsburgh Pirates | Pittsburgh Pirates signed free agent OF Robert De Paula to a minor league contract. |
| Jul 2, 2019 | Signed as free agent | Ewry Espinal | — | Pittsburgh Pirates | Pittsburgh Pirates signed free agent OF Ewry Espinal to a minor league contract. |
| Jul 2, 2019 | Signed as free agent | Roelmy Garcia | — | Pittsburgh Pirates | Pittsburgh Pirates signed free agent RHP Roelmy Garcia to a minor league contract. |
| Jul 2, 2019 | Signed as free agent | Rafael Mendez | — | Pittsburgh Pirates | Pittsburgh Pirates signed free agent RHP Rafael Mendez to a minor league contract. |
| Jul 2, 2019 | Signed as free agent | Keneth Quintanilla | — | Pittsburgh Pirates | Pittsburgh Pirates signed free agent RHP Keneth Quintanilla to a minor league contract. |
| Jul 2, 2019 | Signed as free agent | Delfin Ramirez | — | Pittsburgh Pirates | Pittsburgh Pirates signed free agent IF Delfin Ramirez to a minor league contract. |
| Jul 2, 2019 | Signed as free agent | Eybert Escalona | — | Pittsburgh Pirates | Pittsburgh Pirates signed free agent C Eybert Escalona to a minor league contract. |
| Jul 2, 2019 | Signed as free agent | Eliecer Romero | — | Pittsburgh Pirates | Pittsburgh Pirates signed free agent RHP Eliecer Romero to a minor league contract. |
| Jul 2, 2019 | Signed as free agent | Javier Rivas | — | Pittsburgh Pirates | Pittsburgh Pirates signed free agent SS Javier Rivas to a minor league contract. |
| Jul 2, 2019 | Signed as free agent | Patricio Ress | — | Pittsburgh Pirates | Pittsburgh Pirates signed free agent RHP Patricio Ress to a minor league contract. |
| Jul 2, 2019 | Signed as free agent | Enmanuel Terrero | — | Pittsburgh Pirates | Pittsburgh Pirates signed free agent OF Enmanuel Terrero to a minor league contract. |
| Jul 2, 2019 | Signed as free agent | Jeral Toledo | — | Pittsburgh Pirates | Pittsburgh Pirates signed free agent SS Jeral Toledo to a minor league contract. |
| Jul 2, 2019 | Signed as free agent | Dioris Valdez | — | Pittsburgh Pirates | Pittsburgh Pirates signed free agent OF Dioris Valdez to a minor league contract. |
| Jul 2, 2019 | Signed as free agent | Sam Aldegheri | — | Philadelphia Phillies | Philadelphia Phillies signed free agent LHP Samuel Aldegheri to a minor league contract. |
| Jul 2, 2019 | Signed as free agent | Henry Baez | — | San Diego Padres | San Diego Padres signed free agent RHP Henry Baez to a minor league contract. |
| Jul 2, 2019 | Signed as free agent | Cesar Cervantes | — | San Diego Padres | San Diego Padres signed free agent RHP Cesar Cervantes to a minor league contract. |
| Jul 2, 2019 | Signed as free agent | Jose Cordero | — | San Diego Padres | San Diego Padres signed free agent OF Jose Cordero to a minor league contract. |
| Jul 2, 2019 | Signed as free agent | Ruben Galindo | — | San Diego Padres | San Diego Padres signed free agent RHP Ruben Galindo to a minor league contract. |
| Jul 2, 2019 | Signed as free agent | Rafael Fermin | — | San Diego Padres | San Diego Padres signed free agent IF Rafael Fermin to a minor league contract. |
| Jul 2, 2019 | Signed as free agent | Adrian Luna | — | San Diego Padres | San Diego Padres signed free agent RHP Adrian Luna to a minor league contract. |
| Jul 2, 2019 | Signed as free agent | Cristian Pacheco | — | San Diego Padres | San Diego Padres signed free agent IF Cristian Pacheco to a minor league contract. |
| Jul 2, 2019 | Signed as free agent | Adrian Perez | — | San Diego Padres | San Diego Padres signed free agent IF Adrian Perez to a minor league contract. |
| Jul 2, 2019 | Signed as free agent | Jose Hernandez | — | San Diego Padres | San Diego Padres signed free agent RHP Jose Hernandez to a minor league contract. |
| Jul 2, 2019 | Signed as free agent | Oswaldo Linares | — | San Diego Padres | San Diego Padres signed free agent C Oswaldo Linares to a minor league contract. |
| Jul 2, 2019 | Signed as free agent | Reinier Parra | — | San Diego Padres | San Diego Padres signed free agent RHP Reinier Parra to a minor league contract. |
| Jul 2, 2019 | Signed as free agent | Jorge Romero | — | San Diego Padres | San Diego Padres signed free agent RHP Jorge Romero to a minor league contract. |
| Jul 2, 2019 | Signed as free agent | Ignacio Ramos | — | San Diego Padres | San Diego Padres signed free agent IF Ignacio Ramos to a minor league contract. |
| Jul 2, 2019 | Signed as free agent | Carlos Rodriguez | — | San Diego Padres | San Diego Padres signed free agent C Carlos Rodriguez to a minor league contract. |
| Jul 2, 2019 | Signed as free agent | Juan Romero | — | San Diego Padres | San Diego Padres signed free agent RHP Juan Romero to a minor league contract. |
| Jul 2, 2019 | Signed as free agent | Jose Sanabria | — | San Diego Padres | San Diego Padres signed free agent IF Jose Sanabria to a minor league contract. |
| Jul 2, 2019 | Signed as free agent | Hugo Sanchez | — | San Diego Padres | San Diego Padres signed free agent IF Hugo Sanchez to a minor league contract. |
| Jul 2, 2019 | Signed as free agent | Samuel Vallejo | — | San Diego Padres | San Diego Padres signed free agent OF Samuel Vallejo to a minor league contract. |
| Jul 2, 2019 | Signed as free agent | Jose Corniell | — | Seattle Mariners | Seattle Mariners signed free agent RHP Jose Corniell to a minor league contract. |
| Jul 2, 2019 | Signed as free agent | George Feliz | — | Seattle Mariners | Seattle Mariners signed free agent OF George Feliz to a minor league contract. |
| Jul 2, 2019 | Signed as free agent | Carlos Jimenez | — | Seattle Mariners | Seattle Mariners signed free agent OF Carlos Jimenez to a minor league contract. |
| Jul 2, 2019 | Signed as free agent | Andres Mesa | — | Seattle Mariners | Seattle Mariners signed free agent SS Andres Mesa to a minor league contract. |
| Jul 2, 2019 | Signed as free agent | German Guilarte | — | Seattle Mariners | Seattle Mariners signed free agent C Jose Guilarte to a minor league contract. |
| Jul 2, 2019 | Signed as free agent | Pedro Da Costa Lemos | — | Seattle Mariners | Seattle Mariners signed free agent RHP Pedro Lemos to a minor league contract. |
| Jul 2, 2019 | Signed as free agent | Adrian Quintana | — | Seattle Mariners | Seattle Mariners signed free agent RHP Adrian Quintana to a minor league contract. |
| Jul 2, 2019 | Signed as free agent | Edryn Rodriguez | — | Seattle Mariners | Seattle Mariners signed free agent SS Edryn Rodriguez to a minor league contract. |
| Jul 2, 2019 | Signed as free agent | Luis Suisbel | — | Seattle Mariners | Seattle Mariners signed free agent IF Luis Suisbel to a minor league contract. |
| Jul 2, 2019 | Signed as free agent | Yoander Rojas | — | Seattle Mariners | Seattle Mariners signed free agent IF Yoander Rojas to a minor league contract. |
| Jul 2, 2019 | Signed as free agent | Axel Sanchez | — | Seattle Mariners | Seattle Mariners signed free agent SS Axel Sanchez to a minor league contract. |
| Jul 2, 2019 | Signed as free agent | Joaquin Tejada | — | Seattle Mariners | Seattle Mariners signed free agent RHP Joaquin Tejada to a minor league contract. |
| Jul 2, 2019 | Signed as free agent | Jesus Silverio | — | Athletics | Oakland Athletics signed free agent RHP Jesus Silverio to a minor league contract. |
| Jul 2, 2019 | Signed as free agent | Luis Marinez | — | Athletics | Oakland Athletics signed free agent C Luis Marinez to a minor league contract. |
| Jul 2, 2019 | Signed as free agent | Zion Bannister | — | Texas Rangers | Texas Rangers signed free agent OF Zion Bannister to a minor league contract. |
| Jul 2, 2019 | Signed as free agent | Aeverson Arteaga | — | San Francisco Giants | San Francisco Giants signed free agent SS Aeverson Arteaga to a minor league contract. |
| Jul 2, 2019 | Signed as free agent | Mikell Manzano | — | San Francisco Giants | San Francisco Giants signed free agent RHP Mikell Manzano to a minor league contract. |
| Jul 2, 2019 | Signed as free agent | Geremias Castillo | — | San Francisco Giants | San Francisco Giants signed free agent CF Geremias Castillo to a minor league contract. |
| Jul 2, 2019 | Signed as free agent | Victor Coronil | — | San Francisco Giants | San Francisco Giants signed free agent C Victor Coronil to a minor league contract. |
| Jul 2, 2019 | Signed as free agent | Rajean Anza | — | San Francisco Giants | San Francisco Giants signed free agent C Rajean Anza to a minor league contract. |
| Jul 2, 2019 | Signed as free agent | Lisander De La Cruz | — | San Francisco Giants | San Francisco Giants signed free agent RHP Lisander De La Cruz to a minor league contract. |
| Jul 2, 2019 | Signed as free agent | Wueslly Lespe | — | San Francisco Giants | San Francisco Giants signed free agent SS Wueslly Lespe to a minor league contract. |
| Jul 2, 2019 | Signed as free agent | Victor Gonzalez | — | San Francisco Giants | San Francisco Giants signed free agent RHP Victor Gonzalez to a minor league contract. |
| Jul 2, 2019 | Signed as free agent | Oswaldo Ladera | — | San Francisco Giants | San Francisco Giants signed free agent CF Oswaldo Ladera to a minor league contract. |
| Jul 2, 2019 | Signed as free agent | Yeison Lemos | — | San Francisco Giants | San Francisco Giants signed free agent SS Yeison Lemos to a minor league contract. |
| Jul 2, 2019 | Signed as free agent | Jorge Martinez | — | San Francisco Giants | San Francisco Giants signed free agent RHP Jorge Martinez to a minor league contract. |
| Jul 2, 2019 | Signed as free agent | Manuel Mercedes | — | San Francisco Giants | San Francisco Giants signed free agent RHP Manuel Mercedes to a minor league contract. |
| Jul 2, 2019 | Signed as free agent | Adrián Sugastey | — | San Francisco Giants | San Francisco Giants signed free agent C Adrian Sugastey to a minor league contract. |
| Jul 2, 2019 | Signed as free agent | Onil Perez | — | San Francisco Giants | San Francisco Giants signed free agent C Onil Perez to a minor league contract. |
| Jul 2, 2019 | Signed as free agent | Angel Moreno | — | San Francisco Giants | San Francisco Giants signed free agent RHP Angel Moreno to a minor league contract. |
| Jul 2, 2019 | Signed as free agent | Ismael Mota | — | San Francisco Giants | San Francisco Giants signed free agent RHP Ismael Mota to a minor league contract. |
| Jul 2, 2019 | Signed as free agent | Cesar Quintas | — | San Francisco Giants | San Francisco Giants signed free agent OF Cesar Quintas to a minor league contract. |
| Jul 2, 2019 | Signed as free agent | Antoni Cuello | — | St. Louis Cardinals | St. Louis Cardinals signed free agent RHP Antoni Cuello to a minor league contract. |
| Jul 2, 2019 | Signed as free agent | José Davila | — | St. Louis Cardinals | St. Louis Cardinals signed free agent RHP Jose Davila to a minor league contract. |
| Jul 2, 2019 | Signed as free agent | Ruben Ortiz | — | San Francisco Giants | San Francisco Giants signed free agent RHP Ruben Ortiz to a minor league contract. |
| Jul 2, 2019 | Signed as free agent | Jose Ramos | — | San Francisco Giants | San Francisco Giants signed free agent SS Jose Ramos to a minor league contract. |
| Jul 2, 2019 | Signed as free agent | Samuel Reyes | — | San Francisco Giants | San Francisco Giants signed free agent CF Samuel Reyes to a minor league contract. |
| Jul 2, 2019 | Signed as free agent | Anthony Rodriguez | — | San Francisco Giants | San Francisco Giants signed free agent SS Anthony Rodriguez to a minor league contract. |
| Jul 2, 2019 | Signed as free agent | Elian Rayo | — | San Francisco Giants | San Francisco Giants signed free agent 3B Elian Rayo to a minor league contract. |
| Jul 2, 2019 | Signed as free agent | Argenis Perez | — | San Francisco Giants | San Francisco Giants signed free agent LHP Argenis Perez to a minor league contract. |
| Jul 2, 2019 | Signed as free agent | Daniel Rondon | — | San Francisco Giants | San Francisco Giants signed free agent RHP Daniel Rondon to a minor league contract. |
| Jul 2, 2019 | Signed as free agent | Luis Yepez | — | San Francisco Giants | San Francisco Giants signed free agent RHP Luis Yepez to a minor league contract. |
| Jul 2, 2019 | Signed as free agent | Freddy Tremaria | — | San Francisco Giants | San Francisco Giants signed free agent C Freddy Tremaria to a minor league contract. |
| Jul 2, 2019 | Signed as free agent | Alexander Beltre | — | St. Louis Cardinals | St. Louis Cardinals signed free agent LHP Alexander Beltre to a minor league contract. |
| Jul 2, 2019 | Signed as free agent | Javier Bolivar | — | St. Louis Cardinals | St. Louis Cardinals signed free agent SS Javier Bolivar to a minor league contract. |
| Jul 2, 2019 | Signed as free agent | Jake Burns | — | St. Louis Cardinals | St. Louis Cardinals signed free agent C Jake Burns to a minor league contract. |
| Jul 2, 2019 | Signed as free agent | Santiago Carbonara | — | St. Louis Cardinals | St. Louis Cardinals signed free agent RF Santiago Carbonara to a minor league contract. |
| Jul 2, 2019 | Signed as free agent | Alejandro Cervantes | — | St. Louis Cardinals | St. Louis Cardinals signed free agent RHP Alejandro Cervantes to a minor league contract. |
| Jul 2, 2019 | Signed as free agent | Jose Cordoba | — | St. Louis Cardinals | St. Louis Cardinals signed free agent CF Jose Cordoba to a minor league contract. |
| Jul 2, 2019 | Signed as free agent | Justin Guerrero | — | St. Louis Cardinals | St. Louis Cardinals signed free agent C Justin Guerrero to a minor league contract. |
| Jul 2, 2019 | Signed as free agent | Bryan Encarnacion | — | St. Louis Cardinals | St. Louis Cardinals signed free agent SS Bryan Encarnacion to a minor league contract. |
| Jul 2, 2019 | Signed as free agent | Lizandro Espinoza | — | St. Louis Cardinals | St. Louis Cardinals signed free agent SS Lizandro Espinoza to a minor league contract. |
| Jul 2, 2019 | Signed as free agent | Ettore Giulianelli | — | St. Louis Cardinals | St. Louis Cardinals signed free agent RHP Ettore Giulianelli to a minor league contract. |
| Jul 2, 2019 | Signed as free agent | Maikel Hernandez | — | St. Louis Cardinals | St. Louis Cardinals signed free agent C Maikel Hernandez to a minor league contract. |
| Jul 2, 2019 | Signed as free agent | Miguel Martinez | — | St. Louis Cardinals | St. Louis Cardinals signed free agent RHP Miguel Martinez to a minor league contract. |
| Jul 2, 2019 | Signed as free agent | Frankely Guzman | — | St. Louis Cardinals | St. Louis Cardinals signed free agent RHP Frankely Guzman to a minor league contract. |
| Jul 2, 2019 | Signed as free agent | Maycol Justo | — | St. Louis Cardinals | St. Louis Cardinals signed free agent SS Maycol Justo to a minor league contract. |
| Jul 2, 2019 | Signed as free agent | Francis Reynoso | — | St. Louis Cardinals | St. Louis Cardinals signed free agent OF Francis Reynoso to a minor league contract. |
| Jul 2, 2019 | Signed as free agent | Raul Guzman | — | St. Louis Cardinals | St. Louis Cardinals signed free agent 3B Raul Guzman to a minor league contract. |
| Jul 2, 2019 | Signed as free agent | Darlin Saladin | — | St. Louis Cardinals | St. Louis Cardinals signed free agent RHP Darlin Saladin to a minor league contract. |
| Jul 2, 2019 | Signed as free agent | Jeremy Ramos | — | St. Louis Cardinals | St. Louis Cardinals signed free agent OF Jeremy Ramos to a minor league contract. |
| Jul 2, 2019 | Signed as free agent | Jeremy Rivas | — | St. Louis Cardinals | St. Louis Cardinals signed free agent SS Jeremy Rivas to a minor league contract. |
| Jul 2, 2019 | Signed as free agent | Gerardo Salas | — | St. Louis Cardinals | St. Louis Cardinals signed free agent RHP Juan Salas to a minor league contract. |
| Jul 2, 2019 | Signed as free agent | Edwin Barragan | — | Tampa Bay Rays | Tampa Bay Rays signed free agent SS Edwin Barragan to a minor league contract. |
| Jul 2, 2019 | Signed as free agent | Yoniel Curet | — | Tampa Bay Rays | Tampa Bay Rays signed free agent RHP Yoniel Curet to a minor league contract. |
| Jul 2, 2019 | Signed as free agent | Alexis Feliz | — | Tampa Bay Rays | Tampa Bay Rays signed free agent SS Alexis Feliz to a minor league contract. |
| Jul 2, 2019 | Signed as free agent | Elis Barreat | — | Tampa Bay Rays | Tampa Bay Rays signed free agent IF Elis Barreat to a minor league contract. |
| Jul 2, 2019 | Signed as free agent | Wuilman Velasquez | — | Tampa Bay Rays | Tampa Bay Rays signed free agent OF Wuilman Velasquez to a minor league contract. |
| Jul 2, 2019 | Signed as free agent | Christian Cerda | — | Tampa Bay Rays | Tampa Bay Rays signed free agent C Christian Cerda to a minor league contract. |
| Jul 2, 2019 | Signed as free agent | Willmer De La Cruz | — | Tampa Bay Rays | Tampa Bay Rays signed free agent SS Willmer De La Cruz to a minor league contract. |
| Jul 2, 2019 | Signed as free agent | Angel Guaiquirian | — | Tampa Bay Rays | Tampa Bay Rays signed free agent RHP Angel Guaiquirian to a minor league contract. |
| Jul 2, 2019 | Signed as free agent | Jeremi Lara | — | Tampa Bay Rays | Tampa Bay Rays signed free agent OF Jeremi Lara to a minor league contract. |
| Jul 2, 2019 | Signed as free agent | Odalys Peguero | — | Tampa Bay Rays | Tampa Bay Rays signed free agent SS Odalys Peguero to a minor league contract. |
| Jul 2, 2019 | Signed as free agent | Yonathan Leon | — | Tampa Bay Rays | Tampa Bay Rays signed free agent IF Yonathan Leon to a minor league contract. |
| Jul 2, 2019 | Signed as free agent | Roylems Rangel | — | Tampa Bay Rays | Tampa Bay Rays signed free agent C Roylems Rangel to a minor league contract. |
| Jul 2, 2019 | Signed as free agent | Jorge Perez | — | Tampa Bay Rays | Tampa Bay Rays signed free agent SS Jorge Perez to a minor league contract. |
| Jul 2, 2019 | Signed as free agent | Edwin Zamudio | — | Tampa Bay Rays | Tampa Bay Rays signed free agent RHP Edwin Zamudio to a minor league contract. |
| Jul 2, 2019 | Signed as free agent | Jose Pena | — | Tampa Bay Rays | Tampa Bay Rays signed free agent CF Jose Pena to a minor league contract. |
| Jul 2, 2019 | Signed as free agent | Riki Lorenzo | — | Texas Rangers | Texas Rangers signed free agent LHP Riki Lorenzo to a minor league contract. |
| Jul 2, 2019 | Signed as free agent | Rafael Marcano | — | Texas Rangers | Texas Rangers signed free agent C Rafael Marcano to a minor league contract. |
| Jul 2, 2019 | Signed as free agent | Jansel Ogando | — | Texas Rangers | Texas Rangers signed free agent 2B Jansel Ogando to a minor league contract. |
| Jul 2, 2019 | Signed as free agent | Winston Santos | — | Texas Rangers | Texas Rangers signed free agent RHP Winston Santos to a minor league contract. |
| Jul 2, 2019 | Signed as free agent | Marlon Salazar | — | Texas Rangers | Texas Rangers signed free agent C Marlon Salazar to a minor league contract. |
| Jul 2, 2019 | Signed as free agent | Gabriel Torres | — | Texas Rangers | Texas Rangers signed free agent LHP Gabriel Torres to a minor league contract. |
| Jul 2, 2019 | Signed as free agent | Juan Garcia | — | Washington Nationals | Washington Nationals signed free agent SS Juan Garcia to a minor league contract. |
| Jul 2, 2019 | Signed as free agent | Franklin Marquez | — | Washington Nationals | Washington Nationals signed free agent LHP Franklin Marquez to a minor league contract. |
| Jul 2, 2019 | Signed as free agent | Roismar Quintana | — | Washington Nationals | Washington Nationals signed free agent OF Roismar Quintana to a minor league contract. |
| Jul 2, 2019 | Signed as free agent | Pablo Aldonis | — | Washington Nationals | Washington Nationals signed free agent LHP Pablo Aldonis to a minor league contract. |
| Jul 2, 2019 | Signed as free agent | Dawry Martinez | — | Washington Nationals | Washington Nationals signed free agent IF Dawry Martinez to a minor league contract. |
| Jul 2, 2019 | Signed as free agent | Eliesel Santana | — | Washington Nationals | Washington Nationals signed free agent OF Eliesel Santana to a minor league contract. |
| Jul 2, 2019 | Signed as free agent | Amin Araujo | — | Toronto Blue Jays | Toronto Blue Jays signed free agent OF Amin Araujo to a minor league contract. |
| Jul 2, 2019 | Signed as free agent | Carlos Perez | — | Toronto Blue Jays | Toronto Blue Jays signed free agent LHP Carlos Perez to a minor league contract. |
| Jul 2, 2019 | Signed as free agent | Dahian Santos | — | Toronto Blue Jays | Toronto Blue Jays signed free agent RHP Dahian Santos to a minor league contract. |
| Jul 2, 2019 | Signed as free agent | Cesar Ayala | — | Toronto Blue Jays | Toronto Blue Jays signed free agent RHP Cesar Ayala to a minor league contract. |
| Jul 2, 2019 | Signed as free agent | Starlin Beltre | — | Toronto Blue Jays | Toronto Blue Jays signed free agent OF Starlin Beltre to a minor league contract. |
| Jul 2, 2019 | Signed as free agent | Luis Bullon | — | Toronto Blue Jays | Toronto Blue Jays signed free agent C Luis Bullon to a minor league contract. |
| Jul 2, 2019 | Signed as free agent | Jean Arnaez | — | Toronto Blue Jays | Toronto Blue Jays signed free agent IF Jean Arnaez to a minor league contract. |
| Jul 2, 2019 | Signed as free agent | Jefferson Herrera | — | Toronto Blue Jays | Toronto Blue Jays signed free agent RHP Jefferson Herrera to a minor league contract. |
| Jul 2, 2019 | Signed as free agent | Wilder Perez | — | Toronto Blue Jays | Toronto Blue Jays signed free agent IF Wilder Perez to a minor league contract. |
| Jul 2, 2019 | Signed as free agent | Peniel Brito | — | Toronto Blue Jays | Toronto Blue Jays signed free agent OF Peniel Brito to a minor league contract. |
| Jul 2, 2019 | Signed as free agent | Sergio Caruci | — | Toronto Blue Jays | Toronto Blue Jays signed free agent RHP Sergio Caruci to a minor league contract. |
| Jul 2, 2019 | Signed as free agent | Yohan Concepcion | — | Toronto Blue Jays | Toronto Blue Jays signed free agent RHP Yohan Concepcion to a minor league contract. |
| Jul 2, 2019 | Signed as free agent | Cristopher Castro | — | Toronto Blue Jays | Toronto Blue Jays signed free agent LHP Cristopher Castro to a minor league contract. |
| Jul 2, 2019 | Signed as free agent | Kelvin Perez | — | Toronto Blue Jays | Toronto Blue Jays signed free agent RHP Kelvin Perez to a minor league contract. |
| Jul 2, 2019 | Signed as free agent | Brahiam Jimenez | — | Toronto Blue Jays | Toronto Blue Jays signed free agent LHP Brahiam Jimenez to a minor league contract. |
| Jul 2, 2019 | Signed as free agent | Darlington Linarez | — | Toronto Blue Jays | Toronto Blue Jays signed free agent OF Darlington Linarez to a minor league contract. |
| Jul 2, 2019 | Signed as free agent | Angel Del Rosario | — | Toronto Blue Jays | Toronto Blue Jays signed free agent IF Angel Del Rosario to a minor league contract. |
| Jul 2, 2019 | Signed as free agent | Cristian Feliz | — | Toronto Blue Jays | Toronto Blue Jays signed free agent OF Cristian Feliz to a minor league contract. |
| Jul 2, 2019 | Signed as free agent | Endri Garcia | — | Toronto Blue Jays | Toronto Blue Jays signed free agent IF Endri Garcia to a minor league contract. |
| Jul 2, 2019 | Signed as free agent | Francisco Veracierto | — | Toronto Blue Jays | Toronto Blue Jays signed free agent IF Francisco Veracierto to a minor league contract. |
| Jul 2, 2019 | Signed as free agent | Jean Lopez | — | Toronto Blue Jays | Toronto Blue Jays signed free agent RHP Jean Lopez to a minor league contract. |
| Jul 2, 2019 | Signed as free agent | Victor Mesia | — | Toronto Blue Jays | Toronto Blue Jays signed free agent C Victor Mesia to a minor league contract. |
| Jul 2, 2019 | Signed as free agent | Yeicol Valdez | — | Toronto Blue Jays | Toronto Blue Jays signed free agent RHP Yeicol Valdez to a minor league contract. |
| Jul 2, 2019 | Signed as free agent | Julio Ozoria | — | Toronto Blue Jays | Toronto Blue Jays signed free agent OF Julio Ozoria to a minor league contract. |
| Jul 2, 2019 | Signed as free agent | Rafael Ohashi | — | Toronto Blue Jays | Toronto Blue Jays signed free agent RHP Rafael Viana to a minor league contract. |
| Jul 2, 2019 | Signed as free agent | Nathanael Perez Gonzalez | — | Toronto Blue Jays | Toronto Blue Jays signed free agent RHP Nathanael Perez to a minor league contract. |
| Jul 2, 2019 | Signed as free agent | Yeuri Sanchez | — | Toronto Blue Jays | Toronto Blue Jays signed free agent LHP Yeuri Sanchez to a minor league contract. |
| Jul 2, 2019 | Signed as free agent | Robert Robertis | — | Toronto Blue Jays | Toronto Blue Jays signed free agent OF Robert Robertis to a minor league contract. |
| Jul 2, 2019 | Signed as free agent | Wildaniel Santos | — | Toronto Blue Jays | Toronto Blue Jays signed free agent OF Wildaniel Santos to a minor league contract. |
| Jul 2, 2019 | Signed as free agent | Leafar Yege | — | Toronto Blue Jays | Toronto Blue Jays signed free agent IF Leafar Yege to a minor league contract. |
| Jul 2, 2019 | Signed as free agent | Christopher Rodriguez | — | Toronto Blue Jays | Toronto Blue Jays signed free agent RHP Christopher Rodriguez to a minor league contract. |
| Jul 2, 2019 | Signed as free agent | Rivaldo Avila | — | Boston Red Sox | Boston Red Sox signed free agent C Rivaldo Avila to a minor league contract. |
| Jul 2, 2019 | Signed as free agent | Carlos Diaz | — | Boston Red Sox | Boston Red Sox signed free agent C Carlos Diaz to a minor league contract. |
| Jul 2, 2019 | Signed as free agent | Cesar Ruiz | — | Boston Red Sox | Boston Red Sox signed free agent RHP Cesar Ruiz to a minor league contract. |
| Jul 2, 2019 | Signed as free agent | Hedbert Perez | — | Milwaukee Brewers | Milwaukee Brewers signed free agent OF Hedbert Perez to a minor league contract. |
| Jul 2, 2019 | Signed as free agent | Jawilme Ramírez | — | New York Mets | New York Mets signed free agent RHP Jawilme Ramirez to a minor league contract. |
| Jul 2, 2019 | Signed as free agent | Junior Caminero | — | Cleveland Guardians | Cleveland Indians signed free agent SS Junior Caminero to a minor league contract. |
| Jul 2, 2019 | Signed as free agent | Rhoniel Rodriguez | — | Tampa Bay Rays | Tampa Bay Rays signed free agent SS Rhoniel Rodriguez to a minor league contract. |
| Jul 2, 2019 | Signed as free agent | Arison Jimenez | — | Tampa Bay Rays | Tampa Bay Rays signed free agent CF Arison Jimenez to a minor league contract. |
| Jul 2, 2019 | Signed as free agent | Jesus Garcia | — | Milwaukee Brewers | Milwaukee Brewers signed free agent C Jesus Garcia to a minor league contract. |
| Jul 2, 2019 | Signed as free agent | Felix Taveras | — | St. Louis Cardinals | St. Louis Cardinals signed free agent OF Felix Taveras to a minor league contract. |
| Jul 2, 2019 | Signed as free agent | Emmanuel Marcano | — | Seattle Mariners | Seattle Mariners signed free agent RHP Emmanuel Marcano to a minor league contract. |
| Jul 2, 2019 | Signed as free agent | Jose Bazan | — | Miami Marlins | Miami Marlins signed free agent RHP Jose Bazan to a minor league contract. |
| Jul 2, 2019 | Signed as free agent | Manuel Ruiz | — | Milwaukee Brewers | Milwaukee Brewers signed free agent C Manuel Ruiz to a minor league contract. |
| Jul 2, 2019 | Signed as free agent | Yesbel Herrera | — | Milwaukee Brewers | Milwaukee Brewers signed free agent CF Yesbel Herrera to a minor league contract. |
| Jul 2, 2019 | Signed | Unnamed | — | Pittsburgh Pirates | Pittsburgh Pirates signed OF Ewry Espinal. |
| Jul 2, 2019 | Signed | Eduardo Dominguez | — | Los Angeles Dodgers | Los Angeles Dodgers signed LHP Eduardo Dominguez. |
| Jul 2, 2019 | Signed | Jesus Luna | — | Los Angeles Dodgers | Los Angeles Dodgers signed RHP Jesus Luna. |
| Jul 2, 2019 | Signed as free agent | Jose Bernabe | — | New York Yankees | New York Yankees signed free agent RHP Jose Bernabe to a minor league contract. |
| Jul 1, 2019 | Released | Brad Boxberger | — | Kansas City Royals | Kansas City Royals released RHP Brad Boxberger. |
| Jul 1, 2019 | Released | Nick Ciuffo | — | Tampa Bay Rays | Tampa Bay Rays released C Nick Ciuffo. |
| Jul 1, 2019 | Signed | Aaron Ochsenbein | — | Los Angeles Dodgers | Los Angeles Dodgers signed RHP Aaron Ochsenbein. |
| Jul 1, 2019 | Signed | Jordan Brewer | — | Houston Astros | Houston Astros signed OF Jordan Brewer. |
| Jul 1, 2019 | Signed | J.C. Flowers | — | Pittsburgh Pirates | Pittsburgh Pirates signed RHP J.C. Flowers. |
| Jul 1, 2019 | Signed | Ethan Paul | — | Pittsburgh Pirates | Pittsburgh Pirates signed SS Ethan Paul. |
| Jul 1, 2019 | Signed | Jake Snider | — | Pittsburgh Pirates | Pittsburgh Pirates signed CF Jake Snider. |
| Jul 1, 2019 | Signed | Marshall Gilbert | — | Pittsburgh Pirates | Pittsburgh Pirates signed C Marshall Gilbert. |
| Jul 1, 2019 | Signed | Julio De La Cruz | — | Seattle Mariners | Seattle Mariners signed 1B Julio De La Cruz. |
| Jul 1, 2019 | Signed | Taylor Floyd | — | Colorado Rockies | Colorado Rockies signed RHP Taylor Floyd. |
| Jul 1, 2019 | Signed | Abrahan Lopez | — | Seattle Mariners | Seattle Mariners signed RHP Abrahan Lopez. |
| Jul 1, 2019 | Signed | Drew Parrish | — | Kansas City Royals | Kansas City Royals signed LHP Drew Parrish. |
| Jul 1, 2019 | Signed as free agent | Drew Smyly | — | Milwaukee Brewers | Milwaukee Brewers signed free agent LHP Drew Smyly to a minor league contract. |
| Jul 1, 2019 | Signed | Nick Bennett | — | Milwaukee Brewers | Milwaukee Brewers signed LHP Nick Bennett. |
| Jul 1, 2019 | Signed | T.J. Schofield-Sam | — | Athletics | Oakland Athletics signed 3B T.J. Schofield-Sam. |
| Jul 1, 2019 | Signed | Dylan Castaneda | — | Philadelphia Phillies | Philadelphia Phillies signed RHP Dylan Castaneda. |
| Jul 1, 2019 | Signed as free agent | Ricardo Roman | — | Miami Marlins | Miami Marlins signed free agent OF Ricardo Roman to a minor league contract. |
| Jul 1, 2019 | Signed as free agent | Nick Richmond | — | Detroit Tigers | Detroit Tigers signed free agent RHP Nick Richmond to a minor league contract. |
| Jul 1, 2019 | Signed | Ben Troike | — | Tampa Bay Rays | Tampa Bay Rays signed SS Ben Troike. |
| Jul 1, 2019 | Signed as free agent | Wilfri Figuereo | — | Chicago Cubs | Chicago Cubs signed free agent RHP Wilfri Figuereo to a minor league contract. |
| Jul 1, 2019 | Signed as free agent | Brent Burgess | — | Atlanta Braves | Atlanta Braves signed free agent RHP Brent Burgess to a minor league contract. |
| Jul 1, 2019 | Signed as free agent | Fabian Urbina | — | Pittsburgh Pirates | Pittsburgh Pirates signed free agent C Fabian URbina to a minor league contract. |
| Jul 1, 2019 | Signed as free agent | Uziel Viloria | — | Philadelphia Phillies | Philadelphia Phillies signed free agent SS Uziel Viloria to a minor league contract. |
| Jul 1, 2019 | Signed as free agent | Alberoni Nunez | — | Detroit Tigers | Detroit Tigers signed free agent CF Alberoni Nunez to a minor league contract. |
| Jul 1, 2019 | Signed as free agent | Victor Medina | — | Detroit Tigers | Detroit Tigers signed free agent RHP Victor Medina to a minor league contract. |
| Jul 1, 2019 | Signed as free agent | Francisco Quintero | — | Pittsburgh Pirates | Pittsburgh Pirates signed free agent IF Francisco Quintero to a minor league contract. |
| Jul 1, 2019 | Signed as free agent | Gabriel Sosa | — | Seattle Mariners | Seattle Mariners signed free agent RHP Gabriel Sosa to a minor league contract. |
| Jul 1, 2019 | Signed as free agent | Elpidio Perez | — | Minnesota Twins | Minnesota Twins signed free agent LHP Elpidio Perez to a minor league contract. |
| Jul 1, 2019 | Signed as free agent | Steve German | — | Minnesota Twins | Minnesota Twins signed free agent RHP Steve German to a minor league contract. |
| Jul 1, 2019 | Signed as free agent | Jean Perez | — | Colorado Rockies | Colorado Rockies signed free agent IF Jean Perez to a minor league contract. |
| Jul 1, 2019 | Signed as free agent | Erison Placencia | — | Baltimore Orioles | Baltimore Orioles signed free agent IF Erison Placencia to a minor league contract. |
| Jul 1, 2019 | Signed as free agent | Alejandro Méndez | — | Baltimore Orioles | Baltimore Orioles signed free agent RHP Alejandro Mendez to a minor league contract. |
| Jul 1, 2019 | Signed as free agent | Johan Berroa | — | Baltimore Orioles | Baltimore Orioles signed free agent LHP Johan Berroa to a minor league contract. |
| Jul 1, 2019 | Signed as free agent | Jose Catano | — | Kansas City Royals | Kansas City Royals signed free agent LHP Jose Catano to a minor league contract. |
| Jul 1, 2019 | Signed | Indigo Diaz | — | Atlanta Braves | Atlanta Braves signed RHP Indigo Diaz. |
| Jul 1, 2019 | Signed | Jace Beck | — | New York Mets | New York Mets signed RHP Jace Beck. |
| Jul 1, 2019 | Signed | Thomas Dillard | — | Milwaukee Brewers | Milwaukee Brewers signed C Thomas Dillard. |
| Jun 30, 2019 | Signed | Bryan Arias | — | Houston Astros | Houston Astros signed 2B Bryan Arias. |
| Jun 30, 2019 | Signed as free agent | Jared Biddy | — | New York Mets | New York Mets signed free agent RHP Jared Biddy to a minor league contract. |
| Jun 30, 2019 | Signed as free agent | John Witkowski | — | St. Louis Cardinals | St. Louis Cardinals signed free agent RHP John Witkowski to a minor league contract. |
| Jun 30, 2019 | Signed | Mike Salvatore | — | Seattle Mariners | Seattle Mariners signed SS Mike Salvatore. |
| Jun 30, 2019 | Signed as free agent | Brayden Theriot | — | Tampa Bay Rays | Tampa Bay Rays signed free agent RHP Brayden Theriot to a minor league contract. |
| Jun 30, 2019 | Signed | Jake Guenther | — | Tampa Bay Rays | Tampa Bay Rays signed 1B Jake Guenther. |
| Jun 30, 2019 | Signed as free agent | Ben Meyer | — | Colorado Rockies | Colorado Rockies signed free agent RHP Ben Meyer to a minor league contract. |
| Jun 30, 2019 | Signed | Drew Campbell | — | Atlanta Braves | Atlanta Braves signed CF Drew Campbell. |
| Jun 30, 2019 | Signed as free agent | Austin Reich | — | San Francisco Giants | San Francisco Giants signed free agent RHP Austin Reich to a minor league contract. |
| Jun 30, 2019 | Signed | Tyler Fitzgerald | — | San Francisco Giants | San Francisco Giants signed SS Tyler Fitzgerald. |
| Jun 30, 2019 | Signed | Logan Wyatt | — | San Francisco Giants | San Francisco Giants signed 1B Logan Wyatt. |
| Jun 30, 2019 | Signed | Caleb Kilian | — | San Francisco Giants | San Francisco Giants signed RHP Caleb Kilian. |
| Jun 30, 2019 | Signed as free agent | Jan Carlos Osorio | — | New York Mets | New York Mets signed free agent C Jan Carlos Osorio to a minor league contract. |
| Jun 30, 2019 | Signed | Coleman Crow | — | Los Angeles Angels | Los Angeles Angels signed RHP Coleman Crow. |
| Jun 29, 2019 | Signed as free agent | Gift Ngoepe | — | Pittsburgh Pirates | Pittsburgh Pirates signed free agent 3B Gift Ngoepe to a minor league contract. |
| Jun 29, 2019 | Signed as free agent | Trevor Rosenthal | — | Detroit Tigers | Detroit Tigers signed free agent RHP Trevor Rosenthal to a minor league contract. |
| Jun 29, 2019 | Signed as free agent | Shane Benes | — | St. Louis Cardinals | St. Louis Cardinals signed free agent SS Shane Benes to a minor league contract. |
| Jun 29, 2019 | Signed as free agent | Austin Bibens-Dirkx | — | Texas Rangers | Texas Rangers signed free agent RHP Austin Bibens-Dirkx to a minor league contract. |
| Jun 29, 2019 | Signed | Hunter Bishop | — | San Francisco Giants | San Francisco Giants signed OF Hunter Bishop. |
| Jun 29, 2019 | Signed | Andrew Daschbach | — | Baltimore Orioles | Baltimore Orioles signed 1B Andrew Daschbach. |
| Jun 29, 2019 | Signed | Jadiel Sanchez | — | Philadelphia Phillies | Philadelphia Phillies signed OF Jadiel Sanchez. |
| Jun 28, 2019 | Signed as free agent | Damek Tomscha | — | Chicago White Sox | Chicago White Sox signed free agent 3B Damek Tomscha to a minor league contract. |
| Jun 28, 2019 | Signed | Andrew Vaughn | — | Chicago White Sox | Chicago White Sox signed 1B Andrew Vaughn. |
| Jun 28, 2019 | Signed | Matthew Thompson | — | Chicago White Sox | Chicago White Sox signed RHP Matthew Thompson. |
| Jun 28, 2019 | Signed | Andrew Dalquist | — | Chicago White Sox | Chicago White Sox signed RHP Andrew Dalquist. |
| Jun 28, 2019 | Signed | Caleb Freeman | — | Chicago White Sox | Chicago White Sox signed RHP Caleb Freeman. |
| Jun 28, 2019 | Signed | Reed Harrington | — | Boston Red Sox | Boston Red Sox signed RHP Reed Harrington. |
| Jun 28, 2019 | Signed | Matt Allan | — | New York Mets | New York Mets signed RHP Matthew Allan. |
| Jun 28, 2019 | Signed | Cole Gordon | — | New York Mets | New York Mets signed RHP Cole Gordon. |
| Jun 28, 2019 | Signed as free agent | Rayanphi Rosario | — | Colorado Rockies | Colorado Rockies signed free agent OF Rayanphi Rosario to a minor league contract. |
| Jun 28, 2019 | Signed | Antoine Duplantis | — | New York Mets | New York Mets signed CF Antoine Duplantis. |
| Jun 28, 2019 | Signed | Elliott Anderson | — | Kansas City Royals | Kansas City Royals signed LHP Elliott Anderson. |
| Jun 28, 2019 | Signed | Cameron Warren | — | Cincinnati Reds | Cincinnati Reds signed 1B Cameron Warren. |
| Jun 28, 2019 | Signed | Jared Liebelt | — | Arizona Diamondbacks | Arizona Diamondbacks signed RHP Jared Liebelt. |
| Jun 28, 2019 | Signed | Zack Plunkett | — | Los Angeles Dodgers | Los Angeles Dodgers signed RHP Zack Plunkett. |
| Jun 28, 2019 | Signed | Peyton Plumlee | — | Houston Astros | Houston Astros signed RHP Peyton Plumlee. |
| Jun 28, 2019 | Signed | Michael McAvene | — | Chicago Cubs | Chicago Cubs signed RHP Michael McAvene. |
| Jun 28, 2019 | Signed | David Hamilton | — | Milwaukee Brewers | Milwaukee Brewers signed SS David Hamilton. |
| Jun 27, 2019 | Trade | Patrick Dorrian | Pittsburgh Pirates | Baltimore Orioles | Pittsburgh Pirates traded 3B Patrick Dorrian to Baltimore Orioles. |
| Jun 27, 2019 | Signed | Bryson Stott | — | Philadelphia Phillies | Philadelphia Phillies signed SS Bryson Stott. |
| Jun 27, 2019 | Signed | Drew Mendoza | — | Washington Nationals | Washington Nationals signed 3B Drew Mendoza. |
| Jun 27, 2019 | Signed | Matt Cronin | — | Washington Nationals | Washington Nationals signed LHP Matt Cronin. |
| Jun 27, 2019 | Signed as free agent | Frank Valentino | — | New York Mets | New York Mets signed free agent RHP Frank Valentino to a minor league contract. |
| Jun 27, 2019 | Signed as free agent | Josh Hejka | — | New York Mets | New York Mets signed free agent RHP Josh Hejka to a minor league contract. |
| Jun 27, 2019 | Released | Leonys Martin | — | Cleveland Guardians | Cleveland Indians released CF Leonys Martin. |
| Jun 27, 2019 | Signed as free agent | Jon Kemmer | — | Los Angeles Dodgers | Los Angeles Dodgers signed free agent RF Jon Kemmer to a minor league contract. |
| Jun 27, 2019 | Signed | Will Holland | — | Minnesota Twins | Minnesota Twins signed SS Will Holland. |
| Jun 27, 2019 | Signed as free agent | Tyler Plantier | — | Colorado Rockies | Colorado Rockies signed free agent 3B Tyler Plantier to a minor league contract. |
| Jun 27, 2019 | Signed | Shay Smiddy | — | Tampa Bay Rays | Tampa Bay Rays signed RHP Shay Smiddy. |
| Jun 27, 2019 | Signed | Jake Washer | — | Chicago Cubs | Chicago Cubs signed C Jake Washer. |
| Jun 27, 2019 | Signed | Marcus Lee Sang | — | Philadelphia Phillies | Philadelphia Phillies signed OF Marcus Lee Sang. |
| Jun 27, 2019 | Signed | Alexander Johnson | — | Cincinnati Reds | Cincinnati Reds signed RHP Alexander Johnson. |
| Jun 27, 2019 | Signed | Davis Daniel | — | Los Angeles Angels | Los Angeles Angels signed RHP Davis Daniel. |
| Jun 27, 2019 | Signed | Johzan Oquendo | — | Chicago Cubs | Chicago Cubs signed RHP Johzan Oquendo. |
| Jun 26, 2019 | Signed as free agent | Carlos Torres | — | Minnesota Twins | Minnesota Twins signed free agent RHP Carlos Torres to a minor league contract. |
| Jun 26, 2019 | Signed as free agent | Ricardo Sanchez | — | Kansas City Royals | Kansas City Royals signed free agent C Ricardo Sanchez to a minor league contract. |
| Jun 26, 2019 | Signed | Jake Pries | — | New York Yankees | New York Yankees signed OF Jake Pries. |
| Jun 26, 2019 | Signed | Jacob Kostyshock | — | Colorado Rockies | Colorado Rockies signed RHP Jacob Kostyshock. |
| Jun 26, 2019 | Signed | Christian Koss | — | Colorado Rockies | Colorado Rockies signed SS Christian Koss. |
| Jun 26, 2019 | Signed as free agent | Casey Sutherland | — | Boston Red Sox | Boston Red Sox signed free agent RHP Casey Sutherland to a minor league contract. |
| Jun 26, 2019 | Signed as free agent | Evan Gillespie | — | Minnesota Twins | Minnesota Twins signed free agent LHP Evan Gillespie to a minor league contract. |
| Jun 26, 2019 | Signed | Trysten Barlow | — | Colorado Rockies | Colorado Rockies signed LHP Trysten Barlow. |
| Jun 26, 2019 | Signed | Keegan James | — | Colorado Rockies | Colorado Rockies signed RHP Keegan James. |
| Jun 26, 2019 | Signed as free agent | Kale Leach | — | Miami Marlins | Miami Marlins signed free agent RHP Kale Leach to a minor league contract. |
| Jun 26, 2019 | Signed as free agent | Elian Almanzar | — | Chicago Cubs | Chicago Cubs signed free agent RHP Elian Almanzar to a minor league contract. |
| Jun 26, 2019 | Signed | Jeferson Figueroa | — | Milwaukee Brewers | Milwaukee Brewers signed RHP Jefferson Figueroa. |
| Jun 25, 2019 | Signed | Nelson L. Alvarez | — | New York Yankees | New York Yankees signed RHP Nelson Alvarez. |
| Jun 25, 2019 | Signed | Garrett Farmer | — | Baltimore Orioles | Baltimore Orioles signed RHP Garrett Farmer. |
| Jun 25, 2019 | Signed | Dillon McCollough | — | Baltimore Orioles | Baltimore Orioles signed LHP Dillon McCollough. |
| Jun 25, 2019 | Signed as free agent | Mason Duke | — | Boston Red Sox | Boston Red Sox signed free agent RHP Mason Duke to a minor league contract. |
| Jun 25, 2019 | Signed as free agent | Izzy Wilson | — | Tampa Bay Rays | Tampa Bay Rays signed free agent OF Izzy Wilson to a minor league contract. |
| Jun 25, 2019 | Released | Drew Smyly | — | Texas Rangers | Texas Rangers released LHP Drew Smyly. |
| Jun 25, 2019 | Signed | Gunnar Henderson | — | Baltimore Orioles | Baltimore Orioles signed SS Gunnar Henderson. |
| Jun 25, 2019 | Signed | Kasey Kalich | — | Atlanta Braves | Atlanta Braves signed RHP Kasey Kalich. |
| Jun 25, 2019 | Signed as free agent | Trevor Ezell | — | Tampa Bay Rays | Tampa Bay Rays signed free agent 2B Trevor Ezell to a minor league contract. |
| Jun 25, 2019 | Signed as free agent | Ryan Jackson | — | Tampa Bay Rays | Tampa Bay Rays signed free agent RHP Ryan Jackson to a minor league contract. |
| Jun 25, 2019 | Signed | Jake Agnos | — | New York Yankees | New York Yankees signed LHP Jake Agnos. |
| Jun 25, 2019 | Signed | Evan Voliva | — | New York Yankees | New York Yankees signed RHP Evan Voliva. |
| Jun 25, 2019 | Signed | Zach Kohn | — | New York Yankees | New York Yankees signed RHP Zach Kohn. |
| Jun 25, 2019 | Signed as free agent | Anthony Morales | — | Toronto Blue Jays | Toronto Blue Jays signed free agent C Anthony Morales to a minor league contract. |
| Jun 25, 2019 | Signed | Dominic Fletcher | — | Arizona Diamondbacks | Arizona Diamondbacks signed CF Dominic Fletcher. |
| Jun 25, 2019 | Signed | Kyle Stowers | — | Baltimore Orioles | Baltimore Orioles signed CF Kyle Stowers. |
| Jun 25, 2019 | Signed | Connor Gillispie | — | Baltimore Orioles | Baltimore Orioles signed RHP Connor Gillispie. |
| Jun 25, 2019 | Signed | Malachi Emond | — | Baltimore Orioles | Baltimore Orioles signed RHP Malachi Emond. |
| Jun 25, 2019 | Signed | Jake Lyons | — | Baltimore Orioles | Baltimore Orioles signed RHP Jake Lyons. |
| Jun 25, 2019 | Signed | Cody Scroggins | — | Boston Red Sox | Boston Red Sox signed RHP Cody Scroggins. |
| Jun 25, 2019 | Signed | Ethan Small | — | Milwaukee Brewers | Milwaukee Brewers signed LHP Ethan Small. |
| Jun 24, 2019 | Signed | Whit Drennan | — | Houston Astros | Houston Astros signed LHP Whit Drennan. |
| Jun 24, 2019 | Signed as free agent | Cody Allen | — | Minnesota Twins | Minnesota Twins signed free agent RHP Cody Allen to a minor league contract. |
| Jun 24, 2019 | Signed | Adley Rutschman | — | Baltimore Orioles | Baltimore Orioles signed C Adley Rutschman. |
| Jun 24, 2019 | Signed | Ted Stuka | — | Detroit Tigers | Detroit Tigers signed RHP Ted Stuka. |
| Jun 24, 2019 | Signed as free agent | Kervin Pichardo | — | Philadelphia Phillies | Philadelphia Phillies signed free agent SS Kervin Pichardo to a minor league contract. |
| Jun 24, 2019 | Signed | Jensen Elliott | — | Baltimore Orioles | Baltimore Orioles signed RHP Jensen Elliott. |
| Jun 24, 2019 | Signed | Matt Minnick | — | New York Yankees | New York Yankees signed LHP Matt Minnick. |
| Jun 24, 2019 | Signed | Michael Giacone | — | New York Yankees | New York Yankees signed LHP Michael Giacone. |
| Jun 24, 2019 | Signed | Gerrit van Zijll | — | New York Yankees | New York Yankees signed LHP Gerrit van Zijll. |
| Jun 24, 2019 | Signed as free agent | Patrick Merino | — | Tampa Bay Rays | Tampa Bay Rays signed free agent OF Patrick Merino to a minor league contract. |
| Jun 24, 2019 | Signed | Tanner Brubaker | — | Minnesota Twins | Minnesota Twins signed RHP Tanner Brubaker. |
| Jun 24, 2019 | Signed | Jake Mangum | — | New York Mets | New York Mets signed OF Jake Mangum. |
| Jun 24, 2019 | Signed | Jorge Romero | — | Athletics | Oakland Athletics signed OF Jorge Romero. |
| Jun 24, 2019 | Signed | Kyle Brnovich | — | Los Angeles Angels | Los Angeles Angels signed RHP Kyle Brnovich. |
| Jun 24, 2019 | Signed as free agent | Breyln Jones | — | Los Angeles Dodgers | Los Angeles Dodgers signed free agent RHP Breyln Jones to a minor league contract. |
| Jun 24, 2019 | Signed | James Acuna | — | Atlanta Braves | Atlanta Braves signed RHP James Acuna. |
| Jun 23, 2019 | Released | Trevor Rosenthal | — | Washington Nationals | Washington Nationals released RHP Trevor Rosenthal. |
| Jun 23, 2019 | Signed as free agent | Adrian Nieto | — | Miami Marlins | Miami Marlins signed free agent C Adrian Nieto to a minor league contract. |
| Jun 23, 2019 | Signed as free agent | Jarlin Yes | — | Pittsburgh Pirates | Pittsburgh Pirates signed free agent RHP Jarlin Yes to a minor league contract. |
| Jun 23, 2019 | Signed | Anthony Green | — | St. Louis Cardinals | St. Louis Cardinals signed RHP Anthony Green. |
| Jun 23, 2019 | Signed | Thomas Hart | — | St. Louis Cardinals | St. Louis Cardinals signed RHP Thomas Hart. |
| Jun 23, 2019 | Signed | Tyler Statler | — | St. Louis Cardinals | St. Louis Cardinals signed RHP Tyler Statler. |
| Jun 23, 2019 | Signed | Zade Richardson | — | St. Louis Cardinals | St. Louis Cardinals signed C Zade Richardson. |
| Jun 23, 2019 | Signed | Patrick Romeri | — | St. Louis Cardinals | St. Louis Cardinals signed OF Patrick Romeri. |
| Jun 23, 2019 | Signed | Daniel Bakst | — | Boston Red Sox | Boston Red Sox signed SS Daniel Bakst. |
| Jun 23, 2019 | Signed | Beau Brieske | — | Detroit Tigers | Detroit Tigers signed RHP Beau Brieske. |
| Jun 23, 2019 | Signed | Kolton Ingram | — | Detroit Tigers | Detroit Tigers signed LHP Kolton Ingram. |
| Jun 23, 2019 | Signed | Robert Klinchock | — | Detroit Tigers | Detroit Tigers signed LHP Robert Klinchock. |
| Jun 23, 2019 | Signed | Bryce Tassin | — | Detroit Tigers | Detroit Tigers signed RHP Bryce Tassin. |
| Jun 23, 2019 | Signed | Brendan White | — | Detroit Tigers | Detroit Tigers signed RHP Brendan White. |
| Jun 23, 2019 | Signed | Cordell Dunn | — | Detroit Tigers | Detroit Tigers signed C Cordell Dunn. |
| Jun 23, 2019 | Signed as free agent | Jonah Girand | — | Detroit Tigers | Detroit Tigers signed free agent C Jonah Girand to a minor league contract. |
| Jun 23, 2019 | Signed as free agent | Cole MacLaren | — | Detroit Tigers | Detroit Tigers signed free agent C Cole MacLaren to a minor league contract. |
| Jun 23, 2019 | Signed | Elliott Cary | — | Detroit Tigers | Detroit Tigers signed OF Elliott Cary. |
| Jun 23, 2019 | Signed | Connor Perry | — | Detroit Tigers | Detroit Tigers signed OF Connor Perry. |
| Jun 23, 2019 | Signed | Matt Canterino | — | Minnesota Twins | Minnesota Twins signed RHP Matt Canterino. |
| Jun 23, 2019 | Signed | Austin Bergner | — | Detroit Tigers | Detroit Tigers signed RHP Austin Bergner. |
| Jun 23, 2019 | Signed | Michael Bienlien | — | Detroit Tigers | Detroit Tigers signed RHP Michael Bienlien. |
| Jun 23, 2019 | Signed | Sawyer Gipson-Long | — | Minnesota Twins | Minnesota Twins signed RHP Sawyer Gipson. |
| Jun 23, 2019 | Signed | Josh Coburn | — | Detroit Tigers | Detroit Tigers signed LHP Josh Coburn. |
| Jun 23, 2019 | Signed | Jake Hirabayashi | — | Minnesota Twins | Minnesota Twins signed 3B Jake Hirabayashi. |
| Jun 23, 2019 | Signed as free agent | Albertus Barber | — | Philadelphia Phillies | Philadelphia Phillies signed free agent RHP Albertus Barber to a minor league contract. |
| Jun 23, 2019 | Signed | Jack Dellinger | — | Detroit Tigers | Detroit Tigers signed RHP Jack Dellinger. |
| Jun 23, 2019 | Signed | Bradley Hanner | — | Minnesota Twins | Minnesota Twins signed RHP Bradley Hanner. |
| Jun 23, 2019 | Signed | Zack Hess | — | Detroit Tigers | Detroit Tigers signed RHP Zack Hess. |
| Jun 23, 2019 | Signed | Casey Legumina | — | Minnesota Twins | Minnesota Twins signed RHP Casey Legumina. |
| Jun 23, 2019 | Signed | Sam Kessler | — | Detroit Tigers | Detroit Tigers signed RHP Sam Kessler. |
| Jun 23, 2019 | Signed | Rogelio Reyes | — | Minnesota Twins | Minnesota Twins signed RHP Rogelio Reyes. |
| Jun 23, 2019 | Signed | Matthew Swain | — | Minnesota Twins | Minnesota Twins signed RHP Matthew Swain. |
| Jun 23, 2019 | Signed | Niall Windeler | — | Minnesota Twins | Minnesota Twins signed LHP Niall Windeler. |
| Jun 23, 2019 | Signed | Kyle Schmidt | — | Minnesota Twins | Minnesota Twins signed C Kyle Schmidt. |
| Jun 23, 2019 | Signed | Griffin Dey | — | Detroit Tigers | Detroit Tigers signed 1B Griffin Dey. |
| Jun 23, 2019 | Signed | Jack Kenley | — | Detroit Tigers | Detroit Tigers signed SS Jack Kenley. |
| Jun 23, 2019 | Signed | Andrew Navigato | — | Detroit Tigers | Detroit Tigers signed SS Andrew Navigato. |
| Jun 23, 2019 | Signed | Pavin Parks | — | Detroit Tigers | Detroit Tigers signed 3B Pavin Parks. |
| Jun 23, 2019 | Signed | Cole Zabowski | — | Detroit Tigers | Detroit Tigers signed 1B Cole Zabowski. |
| Jun 23, 2019 | Signed | Kerry Carpenter | — | Detroit Tigers | Detroit Tigers signed OF Kerry Carpenter. |
| Jun 23, 2019 | Signed | Jared Mang | — | Detroit Tigers | Detroit Tigers signed OF Jared Mang. |
| Jun 23, 2019 | Signed | Parker Phillips | — | Minnesota Twins | Minnesota Twins signed 1B Parker Phillips. |
| Jun 23, 2019 | Signed | Bryson Gandy | — | Minnesota Twins | Minnesota Twins signed CF Bryson Gandy. |
| Jun 23, 2019 | Signed | Sean Mooney | — | Minnesota Twins | Minnesota Twins signed RHP Sean Mooney. |
| Jun 23, 2019 | Signed | Tyler Adams | — | Philadelphia Phillies | Philadelphia Phillies signed LHP Tyler Adams. |
| Jun 23, 2019 | Signed | Carlos A. Francisco | — | Philadelphia Phillies | Philadelphia Phillies signed RHP Carlos Francisco. |
| Jun 23, 2019 | Signed as free agent | Brenden Kudlinski | — | Philadelphia Phillies | Philadelphia Phillies signed free agent LHP Brenden Kudlinski to a minor league contract. |
| Jun 23, 2019 | Signed | Nick Lackney | — | Philadelphia Phillies | Philadelphia Phillies signed LHP Nick Lackney. |
| Jun 23, 2019 | Signed | Vito Friscia | — | Philadelphia Phillies | Philadelphia Phillies signed C Vito Friscia. |
| Jun 23, 2019 | Signed | Andrew Schultz | — | Philadelphia Phillies | Philadelphia Phillies signed RHP Andrew Schultz. |
| Jun 23, 2019 | Signed | Jose Ulloa | — | Philadelphia Phillies | Philadelphia Phillies signed RHP Jose Ulloa. |
| Jun 23, 2019 | Signed | Spencer Van Scoyoc | — | Philadelphia Phillies | Philadelphia Phillies signed LHP Spencer Van Scoyoc. |
| Jun 23, 2019 | Signed | Jimmy Robbins | — | Toronto Blue Jays | Toronto Blue Jays signed LHP Jimmy Robbins. |
| Jun 23, 2019 | Signed | Micah Yonamine | — | Philadelphia Phillies | Philadelphia Phillies signed C Micah Yonamine. |
| Jun 23, 2019 | Signed | Blake Sanderson | — | Toronto Blue Jays | Toronto Blue Jays signed RHP Blake Sanderson. |
| Jun 23, 2019 | Signed | Nick Neal | — | Toronto Blue Jays | Toronto Blue Jays signed RHP Nick Neal. |
| Jun 23, 2019 | Signed | Bryce Fehmel | — | San Francisco Giants | San Francisco Giants signed RHP Bryce Fehmel. |
| Jun 23, 2019 | Signed | Spencer Henson | — | New York Yankees | New York Yankees signed 1B Spencer Henson. |
| Jun 23, 2019 | Signed | Anthony Volpe | — | New York Yankees | New York Yankees signed 2B Anthony Volpe. |
| Jun 23, 2019 | Signed | Chad Bell | — | New York Yankees | New York Yankees signed 3B Chad Bell. |
| Jun 22, 2019 | Signed | Robinson Leyer | — | Boston Red Sox | Boston Red Sox signed RHP Robinson Leyer. |
| Jun 22, 2019 | Signed as free agent | Wyatt Mascarella | — | Kansas City Royals | Kansas City Royals signed free agent C Wyatt Mascarella to a minor league contract. |
| Jun 22, 2019 | Signed as free agent | Danny Hrbek | — | New York Mets | New York Mets signed free agent RHP Danny Hrbek to a minor league contract. |
| Jun 22, 2019 | Signed as free agent | Garrett Saunders | — | Atlanta Braves | Atlanta Braves signed free agent SS Garrett Saunders to a minor league contract. |
| Jun 22, 2019 | Trade | Ben Lively | Kansas City Royals | Arizona Diamondbacks | Kansas City Royals traded RHP Ben Lively to Arizona Diamondbacks for cash. |
| Jun 22, 2019 | Signed as free agent | Jacques Pucheu | — | Cincinnati Reds | Cincinnati Reds signed free agent LHP Jacques Pucheu to a minor league contract. |
| Jun 22, 2019 | Signed as free agent | Jake Gilbert | — | Cincinnati Reds | Cincinnati Reds signed free agent RHP Jake Gilbert to a minor league contract. |
| Jun 22, 2019 | Signed | Yan Contreras | — | Cincinnati Reds | Cincinnati Reds signed SS Yan Contreras. |
| Jun 22, 2019 | Signed | Tristin English | — | Arizona Diamondbacks | Arizona Diamondbacks signed 1B Tristin English. |
| Jun 22, 2019 | Signed | Lyle Lin | — | Arizona Diamondbacks | Arizona Diamondbacks signed C Lyle Lin. |
| Jun 22, 2019 | Signed | Dominic Canzone | — | Arizona Diamondbacks | Arizona Diamondbacks signed RF Dominic Canzone. |
| Jun 22, 2019 | Signed | Avery Short | — | Arizona Diamondbacks | Arizona Diamondbacks signed LHP Avery Short. |
| Jun 22, 2019 | Signed | Cam Coursey | — | Arizona Diamondbacks | Arizona Diamondbacks signed 2B Cam Coursey. |
| Jun 22, 2019 | Signed as free agent | Matt Whitehouse | — | Colorado Rockies | Colorado Rockies signed free agent LHP Matt Whitehouse to a minor league contract. |
| Jun 22, 2019 | Signed | Bruce Steel | — | Kansas City Royals | Kansas City Royals signed SS Bruce Steel. |
| Jun 22, 2019 | Signed | Chase Bushor | — | Kansas City Royals | Kansas City Royals signed SS Chase Bushor. |
| Jun 22, 2019 | Signed | Shayne Fontana | — | Baltimore Orioles | Baltimore Orioles signed OF Shayne Fontana. |
| Jun 22, 2019 | Signed | Mason Janvrin | — | Baltimore Orioles | Baltimore Orioles signed OF Mason Janvrin. |
| Jun 22, 2019 | Signed | Trevor Kehe | — | Baltimore Orioles | Baltimore Orioles signed OF Trevor Kehe. |
| Jun 22, 2019 | Signed | Harris Yett | — | Baltimore Orioles | Baltimore Orioles signed C Harris Yett. |
| Jun 22, 2019 | Signed | Craig Lewis | — | Baltimore Orioles | Baltimore Orioles signed OF Craig Lewis. |
| Jun 22, 2019 | Signed | Andrew Martinez | — | Baltimore Orioles | Baltimore Orioles signed SS Andrew Martinez. |
| Jun 22, 2019 | Signed | Clayton McGinness | — | Baltimore Orioles | Baltimore Orioles signed RHP Clayton McGinness. |
| Jun 22, 2019 | Signed | Jonathan Pendergast | — | Baltimore Orioles | Baltimore Orioles signed RHP Jonathan Pendergast. |
| Jun 22, 2019 | Signed | Dalton Stambaugh | — | Baltimore Orioles | Baltimore Orioles signed LHP Dalton Stambaugh. |
| Jun 22, 2019 | Signed | Nick Roth | — | Baltimore Orioles | Baltimore Orioles signed RHP Nick Roth. |
| Jun 22, 2019 | Signed | James Ryan | — | Baltimore Orioles | Baltimore Orioles signed RHP James Ryan. |
| Jun 22, 2019 | Signed as free agent | Doug Domnarski | — | Detroit Tigers | Detroit Tigers signed free agent LHP Doug Domnarski to a minor league contract. |
| Jun 22, 2019 | Signed | Javier Reynoso | — | New York Yankees | New York Yankees signed SS Javier Reynoso. |
| Jun 22, 2019 | Signed as free agent | Tate Scioneaux | — | Colorado Rockies | Colorado Rockies signed free agent RHP Tate Scioneaux to a minor league contract. |
| Jun 22, 2019 | Signed as free agent | Marc Rzepczynski | — | Arizona Diamondbacks | Arizona Diamondbacks signed free agent LHP Marc Rzepczynski to a minor league contract. |
| Jun 22, 2019 | Signed | Shea Barry | — | Houston Astros | Houston Astros signed RHP Shea Barry. |
| Jun 22, 2019 | Signed as free agent | Dylan Prohoroff | — | Milwaukee Brewers | Milwaukee Brewers signed free agent RHP Dylan Prohoroff to a minor league contract. |
| Jun 22, 2019 | Signed | Christopher Burgess | — | Baltimore Orioles | Baltimore Orioles signed C Christopher Burgess. |
| Jun 22, 2019 | Signed | Shane Combs | — | Chicago Cubs | Chicago Cubs signed RHP Shane Combs. |
| Jun 22, 2019 | Signed | Anthony Hoopii-Tuionetoa | — | Texas Rangers | Texas Rangers signed RHP Anthony Hoopii-Tuionetoa. |
| Jun 21, 2019 | Signed as free agent | Corey Gaconi | — | New York Mets | New York Mets signed free agent RHP Corey Gaconi to a minor league contract. |
| Jun 21, 2019 | Signed as free agent | Drew Hutchison | — | Minnesota Twins | Minnesota Twins signed free agent RHP Drew Hutchison to a minor league contract. |
| Jun 21, 2019 | Signed as free agent | Carlos Asuaje | — | Arizona Diamondbacks | Arizona Diamondbacks signed free agent 2B Carlos Asuaje to a minor league contract. |
| Jun 21, 2019 | Released | Mike Dunn | — | Colorado Rockies | Colorado Rockies released LHP Mike Dunn. |
| Jun 21, 2019 | Signed as free agent | Chase d'Arnaud | — | Kansas City Royals | Kansas City Royals signed free agent 3B Chase d'Arnaud to a minor league contract. |
| Jun 21, 2019 | Signed as free agent | Fernando Villalobos | — | New York Mets | New York Mets signed free agent C Fernando Villalobos to a minor league contract. |
| Jun 21, 2019 | Signed as free agent | Jesus Ordonez | — | Colorado Rockies | Colorado Rockies signed free agent C Jesus Ordonez to a minor league contract. |
| Jun 21, 2019 | Signed | Eric Lex | — | St. Louis Cardinals | St. Louis Cardinals signed RHP Eric Lex. |
| Jun 21, 2019 | Signed | Connor Lunn | — | St. Louis Cardinals | St. Louis Cardinals signed RHP Connor Lunn. |
| Jun 21, 2019 | Signed | Connor Thomas | — | St. Louis Cardinals | St. Louis Cardinals signed LHP Connor Thomas. |
| Jun 21, 2019 | Signed as free agent | Aneudis Beard | — | Chicago Cubs | Chicago Cubs signed free agent RHP Aneudis Beard to a minor league contract. |
| Jun 21, 2019 | Signed as free agent | Willians Vasquez | — | Chicago Cubs | Chicago Cubs signed free agent RHP Willians Vasquez to a minor league contract. |
| Jun 20, 2019 | Signed | Jackxarel Lebron | — | Toronto Blue Jays | Toronto Blue Jays signed RHP Jackxarel Lebron. |
| Jun 20, 2019 | Signed as free agent | Hunter Hearn | — | Philadelphia Phillies | Philadelphia Phillies signed free agent OF Hunter Hearn to a minor league contract. |
| Jun 20, 2019 | Signed | Hunter Markwardt | — | Philadelphia Phillies | Philadelphia Phillies signed OF Hunter Markwardt. |
| Jun 20, 2019 | Signed | Tucker Maxwell | — | Philadelphia Phillies | Philadelphia Phillies signed OF Tucker Maxwell. |
| Jun 20, 2019 | Signed | Nate Fassnacht | — | Philadelphia Phillies | Philadelphia Phillies signed IF Nate Fassnacht. |
| Jun 20, 2019 | Signed | Rudy Rott | — | Philadelphia Phillies | Philadelphia Phillies signed IF Rudy Rott. |
| Jun 20, 2019 | Signed | McCarthy Tatum | — | Philadelphia Phillies | Philadelphia Phillies signed IF McCarthy Tatum. |
| Jun 20, 2019 | Signed as free agent | Héctor Santiago | — | Chicago White Sox | Chicago White Sox signed free agent LHP Hector Santiago to a minor league contract. |
| Jun 20, 2019 | Signed as free agent | Jhosua Alcantara | — | Los Angeles Angels | Los Angeles Angels signed free agent RHP Jhosua Alcantara to a minor league contract. |
| Jun 20, 2019 | Signed | Thomas Rowan | — | Miami Marlins | Miami Marlins signed C Thomas Rowan. |
| Jun 20, 2019 | Signed as free agent | Kieran Lovegrove | — | Baltimore Orioles | Baltimore Orioles signed free agent RHP Kieran Lovegrove to a minor league contract. |
| Jun 20, 2019 | Signed | Brock Love | — | Miami Marlins | Miami Marlins signed RHP Brock Love. |
| Jun 19, 2019 | Signed as free agent | Unnamed | — | San Francisco Giants | San Francisco Giants signed free agent 3B Jorge Samuel to a minor league contract. |
| Jun 19, 2019 | Signed | Josh Wolf | — | New York Mets | New York Mets signed RHP Josh Wolf. |
| Jun 19, 2019 | Trade | César Puello | Los Angeles Angels | Miami Marlins | Los Angeles Angels traded LF Cesar Puello to Miami Marlins for cash. |
| Jun 19, 2019 | Signed as free agent | Jacob Scavuzzo | — | Chicago White Sox | Chicago White Sox signed free agent OF Jacob Scavuzzo to a minor league contract. |
| Jun 19, 2019 | Signed as free agent | Nick Gardewine | — | Texas Rangers | Texas Rangers signed free agent RHP Nick Gardewine to a minor league contract. |
| Jun 19, 2019 | Signed | Jacob Olson | — | Chicago Cubs | Chicago Cubs signed IF Jacob Olson. |
| Jun 19, 2019 | Signed | Cayne Ueckert | — | Chicago Cubs | Chicago Cubs signed RHP Cayne Ueckert. |
| Jun 19, 2019 | Signed | Bryan King | — | Chicago Cubs | Chicago Cubs signed LHP Bryan King. |
| Jun 19, 2019 | Signed | Chris Kachmar | — | Chicago Cubs | Chicago Cubs signed RHP Chris Kachmar. |
| Jun 19, 2019 | Signed | Manny Collier | — | Chicago Cubs | Chicago Cubs signed OF Manny Collier. |
| Jun 19, 2019 | Signed | Zac Taylor | — | Chicago Cubs | Chicago Cubs signed OF Zac Taylor. |
| Jun 19, 2019 | Signed | Bryce Windham | — | Chicago Cubs | Chicago Cubs signed 2B Bryce Windham. |
| Jun 19, 2019 | Signed | Grayson Byrd | — | Chicago Cubs | Chicago Cubs signed IF Grayson Byrd. |
| Jun 19, 2019 | Signed | Nelson Maldonado | — | Chicago Cubs | Chicago Cubs signed OF Nelson Maldonado. |
| Jun 19, 2019 | Signed | Darius Hill | — | Chicago Cubs | Chicago Cubs signed OF Darius Hill. |
| Jun 19, 2019 | Signed | Adam Laskey | — | Chicago Cubs | Chicago Cubs signed LHP Adam Laskey. |
| Jun 19, 2019 | Signed | Alex Moore | — | Chicago Cubs | Chicago Cubs signed RHP Alex Moore. |
| Jun 19, 2019 | Signed | Ryan Reynolds | — | Chicago Cubs | Chicago Cubs signed 3B Ryan Reynolds. |
| Jun 19, 2019 | Signed | Tanner Jesson-Dalton | — | Chicago Cubs | Chicago Cubs signed RHP Tanner Dalton. |
| Jun 19, 2019 | Signed | Hunter Bigge | — | Chicago Cubs | Chicago Cubs signed RHP Hunter Bigge. |
| Jun 19, 2019 | Signed | DJ Herz | — | Chicago Cubs | Chicago Cubs signed LHP Davidjohn Herz. |
| Jun 19, 2019 | Signed | Brad Deppermann | — | Chicago Cubs | Chicago Cubs signed RHP Brad Deppermann. |
| Jun 19, 2019 | Signed | Josh Burgmann | — | Chicago Cubs | Chicago Cubs signed RHP Josh Burgmann. |
| Jun 19, 2019 | Signed | Chris Clarke | — | Chicago Cubs | Chicago Cubs signed RHP Chris Clarke. |
| Jun 19, 2019 | Signed | Chase Strumpf | — | Chicago Cubs | Chicago Cubs signed 2B Chase Strumpf. |
| Jun 19, 2019 | Signed | Jackson Rutledge | — | Washington Nationals | Washington Nationals signed RHP Jackson Rutledge. |
| Jun 19, 2019 | Signed | Todd Peterson | — | Washington Nationals | Washington Nationals signed RHP Todd Peterson. |
| Jun 19, 2019 | Signed | Jeremy Ydens | — | Washington Nationals | Washington Nationals signed OF Jeremy Ydens. |
| Jun 19, 2019 | Signed | Orlando Ribalta | — | Washington Nationals | Washington Nationals signed RHP Orlando Ribalta. |
| Jun 19, 2019 | Signed | Jordan Bocko | — | Washington Nationals | Washington Nationals signed RHP Jordan Bocko. |
| Jun 19, 2019 | Signed | Jase Bowen | — | Pittsburgh Pirates | Pittsburgh Pirates signed OF Jase Bowen. |
| Jun 19, 2019 | Signed | Ryan Harbin | — | Pittsburgh Pirates | Pittsburgh Pirates signed RHP Ryan Harbin. |
| Jun 19, 2019 | Signed | Corbin Carroll | — | Arizona Diamondbacks | Arizona Diamondbacks signed CF Corbin Carroll. |
| Jun 19, 2019 | Signed | Blake Walston | — | Arizona Diamondbacks | Arizona Diamondbacks signed LHP Blake Walston. |
| Jun 19, 2019 | Signed | Brennan Malone | — | Arizona Diamondbacks | Arizona Diamondbacks signed RHP Brennan Malone. |
| Jun 19, 2019 | Signed | Matthew Lugo | — | Boston Red Sox | Boston Red Sox signed SS Matthew Lugo. |
| Jun 19, 2019 | Signed as free agent | Zach Schneider | — | Boston Red Sox | Boston Red Sox signed free agent RHP Zach Schneider to a minor league contract. |
| Jun 19, 2019 | Signed | Drey Jameson | — | Arizona Diamondbacks | Arizona Diamondbacks signed RHP Drey Jameson. |
| Jun 19, 2019 | Signed | Ryne Nelson | — | Arizona Diamondbacks | Arizona Diamondbacks signed RHP Ryne Nelson. |
| Jun 19, 2019 | Signed | Conor Grammes | — | Arizona Diamondbacks | Arizona Diamondbacks signed RHP Conor Grammes. |
| Jun 19, 2019 | Signed | GJ Hill | — | Arizona Diamondbacks | Arizona Diamondbacks signed SS Glenallen Hill Jr.. |
| Jun 19, 2019 | Signed | Andrew Saalfrank | — | Arizona Diamondbacks | Arizona Diamondbacks signed LHP Andrew Saalfrank. |
| Jun 19, 2019 | Signed | Bobby Ay | — | Arizona Diamondbacks | Arizona Diamondbacks signed RHP Bobby Ay. |
| Jun 19, 2019 | Signed | Oscar Santos | — | Arizona Diamondbacks | Arizona Diamondbacks signed C Oscar Santos. |
| Jun 19, 2019 | Signed | Nick Snyder | — | Arizona Diamondbacks | Arizona Diamondbacks signed LHP Nick Snyder. |
| Jun 19, 2019 | Signed | Austin Pope | — | Arizona Diamondbacks | Arizona Diamondbacks signed RHP Austin Pope. |
| Jun 19, 2019 | Signed | Armani Smith | — | San Francisco Giants | San Francisco Giants signed OF Armani Smith. |
| Jun 19, 2019 | Signed | Brandon Martorano | — | San Francisco Giants | San Francisco Giants signed C Brandon Martorano. |
| Jun 19, 2019 | Signed | Taylor Rashi | — | San Francisco Giants | San Francisco Giants signed RHP Taylor Rashi. |
| Jun 19, 2019 | Signed | Matt Stil | — | Kansas City Royals | Kansas City Royals signed RHP Matthew Stil. |
| Jun 19, 2019 | Signed | Spencer Steer | — | Minnesota Twins | Minnesota Twins signed SS Spencer Steer. |
| Jun 19, 2019 | Signed as free agent | Ian Exposito | — | Milwaukee Brewers | Milwaukee Brewers signed free agent LHP Ian Exposito to a minor league contract. |
| Jun 19, 2019 | Signed | Keegan McCarville | — | Milwaukee Brewers | Milwaukee Brewers signed RHP Keegan McCarville. |
| Jun 19, 2019 | Signed as free agent | Nick Belzer | — | Milwaukee Brewers | Milwaukee Brewers signed free agent RHP Nick Belzer. |
| Jun 19, 2019 | Signed as free agent | Zach Vennaro | — | Milwaukee Brewers | Milwaukee Brewers signed free agent RHP Zach Vennaro to a minor league contract. |
| Jun 19, 2019 | Signed | Trevor Boone | — | Colorado Rockies | Colorado Rockies signed CF Trevor Boone. |
| Jun 19, 2019 | Signed | Parker Caracci | — | Toronto Blue Jays | Toronto Blue Jays signed RHP Parker Caracci. |
| Jun 19, 2019 | Signed | Ryan Kreidler | — | Detroit Tigers | Detroit Tigers signed 3B Ryan Kreidler. |
| Jun 19, 2019 | Signed | Brandon Wulff | — | Los Angeles Dodgers | Los Angeles Dodgers signed LF Brandon Wulff. |
| Jun 19, 2019 | Signed as free agent | Seth Ballew | — | Los Angeles Angels | Los Angeles Angels signed free agent LHP Seth Ballew to a minor league contract. |
| Jun 19, 2019 | Signed | Andre Pallante | — | St. Louis Cardinals | St. Louis Cardinals signed RHP Andre Pallante. |
| Jun 19, 2019 | Signed | Jack Ralston | — | St. Louis Cardinals | St. Louis Cardinals signed LHP Jack Ralston. |
| Jun 19, 2019 | Signed | Jack Little | — | Los Angeles Dodgers | Los Angeles Dodgers signed RHP Jack Little. |
| Jun 19, 2019 | Signed | Darell Hernaiz | — | Baltimore Orioles | Baltimore Orioles signed SS Darell Hernaiz. |
| Jun 19, 2019 | Signed | Jake Prizina | — | Baltimore Orioles | Baltimore Orioles signed LHP Jake Prizina. |
| Jun 19, 2019 | Signed | Jack Kochanowicz | — | Los Angeles Angels | Los Angeles Angels signed RHP Jack Kochanowicz. |
| Jun 19, 2019 | Signed | Garrett Stallings | — | Los Angeles Angels | Los Angeles Angels signed RHP Garrett Stallings. |
| Jun 19, 2019 | Signed | Zach Peek | — | Los Angeles Angels | Los Angeles Angels signed RHP Zach Peek. |
| Jun 19, 2019 | Signed | Jack Dashwood | — | Los Angeles Angels | Los Angeles Angels signed LHP Jack Dashwood. |
| Jun 18, 2019 | Signed | Grant Gambrell | — | Kansas City Royals | Kansas City Royals signed RHP Grant Gambrell. |
| Jun 18, 2019 | Signed as free agent | Ian Krol | — | Minnesota Twins | Minnesota Twins signed free agent LHP Ian Krol to a minor league contract. |
| Jun 18, 2019 | Signed | Adam Lukas | — | Kansas City Royals | Kansas City Royals signed RHP Adam Lukas. |
| Jun 18, 2019 | Signed | Austin Manning | — | Kansas City Royals | Kansas City Royals signed LHP Austin Manning. |
| Jun 18, 2019 | Signed | Jonah Dipoto | — | Kansas City Royals | Kansas City Royals signed RHP Jonah Dipoto. |
| Jun 18, 2019 | Signed | Brady McConnell | — | Kansas City Royals | Kansas City Royals signed SS Brady McConnell. |
| Jun 18, 2019 | Signed | Mikey Filia | — | Kansas City Royals | Kansas City Royals signed CF Mikey Filia. |
| Jun 18, 2019 | Signed as free agent | Donavin Buck | — | Kansas City Royals | Kansas City Royals signed free agent RHP Donavin Buck to a minor league contract. |
| Jun 18, 2019 | Released | Cody Allen | — | Los Angeles Angels | Los Angeles Angels released RHP Cody Allen. |
| Jun 18, 2019 | Signed | Ike Freeman | — | Cleveland Guardians | Cleveland Indians signed SS Ike Freeman. |
| Jun 18, 2019 | Signed | Ryan Garcia | — | Texas Rangers | Texas Rangers signed RHP Ryan Garcia. |
| Jun 18, 2019 | Signed | Michael Toglia | — | Colorado Rockies | Colorado Rockies signed 1B Michael Toglia. |
| Jun 18, 2019 | Signed | Jack Stronach | — | San Diego Padres | San Diego Padres signed 3B Jack Stronach. |
| Jun 18, 2019 | Signed as free agent | Randy Wynne | — | Cincinnati Reds | Cincinnati Reds signed free agent RHP Randy Wynne to a minor league contract. |
| Jun 18, 2019 | Signed as free agent | Alec Byrd | — | Cincinnati Reds | Cincinnati Reds signed free agent LHP Alec Byrd to a minor league contract. |
| Jun 18, 2019 | Signed | Colin Simpson | — | Colorado Rockies | Colorado Rockies signed C Colin Simpson. |
| Jun 18, 2019 | Signed | Hudson Head | — | San Diego Padres | San Diego Padres signed CF Hudson Head. |
| Jun 18, 2019 | Signed | Shane Kelso | — | Los Angeles Angels | Los Angeles Angels signed RHP Shane Kelso. |
| Jun 18, 2019 | Signed | Glenn Santiago | — | Toronto Blue Jays | Toronto Blue Jays signed SS Glenn Santiago. |
| Jun 18, 2019 | Signed | Will Ethridge | — | Colorado Rockies | Colorado Rockies signed RHP Will Ethridge. |
| Jun 18, 2019 | Signed as free agent | Matt Eardensohn | — | Pittsburgh Pirates | Pittsburgh Pirates signed free agent RHP Matt Eardensohn to a minor league contract. |
| Jun 18, 2019 | Signed as free agent | Kaleb Foster | — | Pittsburgh Pirates | Pittsburgh Pirates signed free agent C Kaleb Foster to a minor league contract. |
| Jun 18, 2019 | Signed | Bryant Packard | — | Detroit Tigers | Detroit Tigers signed LF Bryant Packard. |
| Jun 18, 2019 | Signed | Nick Yoder | — | Texas Rangers | Texas Rangers signed RHP Nicholas Yoder. |
| Jun 18, 2019 | Signed as free agent | Aidan Anderson | — | Philadelphia Phillies | Philadelphia Phillies signed free agent RHP Aidan Anderson to a minor league contract. |
| Jun 18, 2019 | Signed | Chris Micheles | — | Philadelphia Phillies | Philadelphia Phillies signed LHP Chris Micheles. |
| Jun 18, 2019 | Signed | Graeme Stinson | — | Tampa Bay Rays | Tampa Bay Rays signed LHP Graeme Stinson. |
| Jun 18, 2019 | Signed | Kyle Molnar | — | Los Angeles Angels | Los Angeles Angels signed RHP Kyle Molnar. |
| Jun 17, 2019 | Signed | Hansen Butler | — | Chicago White Sox | Chicago White Sox signed RHP Hansen Butler. |
| Jun 17, 2019 | Signed | Sammy Peralta | — | Chicago White Sox | Chicago White Sox signed LHP Sammy Peralta. |
| Jun 17, 2019 | Signed as free agent | Bernie Martinez | — | Seattle Mariners | Seattle Mariners signed free agent RHP Bernie Martinez to a minor league contract. |
| Jun 17, 2019 | Signed as free agent | Matt Mogollon | — | Seattle Mariners | Seattle Mariners signed free agent RHP Matt Mogollon to a minor league contract. |
| Jun 17, 2019 | Signed | Fred Villarreal | — | Seattle Mariners | Seattle Mariners signed RHP Fred Villarreal. |
| Jun 17, 2019 | Signed as free agent | Robert Winslow | — | Seattle Mariners | Seattle Mariners signed free agent RHP Robert Winslow to a minor league contract. |
| Jun 17, 2019 | Signed | Caleb Ricca | — | Seattle Mariners | Seattle Mariners signed SS Caleb Ricca. |
| Jun 17, 2019 | Signed | Logan Davidson | — | Athletics | Oakland Athletics signed SS Logan Davidson. |
| Jun 17, 2019 | Signed | Brady Basso | — | Athletics | Oakland Athletics signed LHP Brady Basso. |
| Jun 17, 2019 | Signed | Tyler Baum | — | Athletics | Oakland Athletics signed RHP Tyler Baum. |
| Jun 17, 2019 | Signed | Will Matthiessen | — | Pittsburgh Pirates | Pittsburgh Pirates signed OF Will Matthiesen. |
| Jun 17, 2019 | Signed | Alex Roth | — | Pittsburgh Pirates | Pittsburgh Pirates signed RHP Alex Roth. |
| Jun 17, 2019 | Signed | Dylan Shockley | — | Pittsburgh Pirates | Pittsburgh Pirates signed C Dylan Shockley. |
| Jun 17, 2019 | Signed | C.J. Dandeneau | — | Pittsburgh Pirates | Pittsburgh Pirates signed RHP CJ Dandeneau. |
| Jun 17, 2019 | Signed | Kelvin Bender | — | Milwaukee Brewers | Milwaukee Brewers signed LHP Kelvin Bender. |
| Jun 17, 2019 | Signed | Peyton Long | — | Milwaukee Brewers | Milwaukee Brewers signed RHP Peyton Long. |
| Jun 17, 2019 | Signed | Josh Shapiro | — | Milwaukee Brewers | Milwaukee Brewers signed LHP Josh Shapiro. |
| Jun 17, 2019 | Signed | Eli Nabholz | — | Milwaukee Brewers | Milwaukee Brewers signed RHP Eli Nabholz. |
| Jun 17, 2019 | Signed | Abimael Gonzalez | — | Milwaukee Brewers | Milwaukee Brewers signed OF Abimael Gonzalez. |
| Jun 17, 2019 | Signed | Zane Zurbrugg | — | Milwaukee Brewers | Milwaukee Brewers signed OF Zane Zurbrugg. |
| Jun 17, 2019 | Signed | Antoine Kelly | — | Milwaukee Brewers | Milwaukee Brewers signed LHP Antoine Kelly. |
| Jun 17, 2019 | Signed | Eddy Tavarez | — | Milwaukee Brewers | Milwaukee Brewers signed RHP Eddy Tavarez. |
| Jun 17, 2019 | Signed | Cam Devanney | — | Milwaukee Brewers | Milwaukee Brewers signed SS Cam Devanney. |
| Jun 17, 2019 | Signed | Kevin Hardin | — | Milwaukee Brewers | Milwaukee Brewers signed 1B Kevin Hardin. |
| Jun 17, 2019 | Signed | Terence Doston | — | Milwaukee Brewers | Milwaukee Brewers signed OF Terence Doston. |
| Jun 17, 2019 | Signed | Jackie Urbaez | — | Milwaukee Brewers | Milwaukee Brewers signed OF Jackie Urbaez. |
| Jun 17, 2019 | Signed | Brandon Lewis | — | Los Angeles Dodgers | Los Angeles Dodgers signed 3B Brandon Lewis. |
| Jun 17, 2019 | Signed | Matt Brash | — | San Diego Padres | San Diego Padres signed RHP Matt Brash. |
| Jun 17, 2019 | Signed | Andrew Dean | — | San Diego Padres | San Diego Padres signed LHP Andrew Dean. |
| Jun 17, 2019 | Signed | Dylan Hoffman | — | San Diego Padres | San Diego Padres signed LHP Dylan Hoffman. |
| Jun 17, 2019 | Signed | Brandon Komar | — | San Diego Padres | San Diego Padres signed RHP Brandon Komar. |
| Jun 17, 2019 | Signed | Chris Lincoln | — | San Diego Padres | San Diego Padres signed RHP Chris Lincoln. |
| Jun 17, 2019 | Signed | Joshua Mears | — | San Diego Padres | San Diego Padres signed RF Joshua Mears. |
| Jun 17, 2019 | Signed | CJ Abrams | — | San Diego Padres | San Diego Padres signed SS CJ Abrams. |
| Jun 17, 2019 | Signed | Chris Givin | — | San Diego Padres | San Diego Padres signed SS Chris Givin. |
| Jun 17, 2019 | Signed | Tyler Malone | — | San Diego Padres | San Diego Padres signed OF Tyler Malone. |
| Jun 17, 2019 | Signed | Blake Baker | — | San Diego Padres | San Diego Padres signed RHP Blake Baker. |
| Jun 17, 2019 | Signed | Sam Ballard | — | San Diego Padres | San Diego Padres signed LHP Sam Ballard. |
| Jun 17, 2019 | Signed | Keegan Collett | — | San Diego Padres | San Diego Padres signed RHP Keegan Collett. |
| Jun 17, 2019 | Signed | Robert Briley | — | San Diego Padres | San Diego Padres signed RHP Robert Briley. |
| Jun 17, 2019 | Signed | Koty Fallon | — | San Diego Padres | San Diego Padres signed RHP Koty Fallon. |
| Jun 17, 2019 | Signed | Anthony Nunez | — | San Diego Padres | San Diego Padres signed SS Anthony Nunez. |
| Jun 17, 2019 | Signed | Pierce Jones | — | San Diego Padres | San Diego Padres signed CF Pierce Jones. |
| Jun 17, 2019 | Signed | Taylor Lomack | — | San Diego Padres | San Diego Padres signed CF Taylor Lomack. |
| Jun 17, 2019 | Signed | Ripken Reyes | — | San Diego Padres | San Diego Padres signed SS Ripken Reyes. |
| Jun 17, 2019 | Signed | Andrew Mitchel | — | San Diego Padres | San Diego Padres signed LHP Andrew Mitchel. |
| Jun 17, 2019 | Signed | Josh Broughton | — | Kansas City Royals | Kansas City Royals signed RHP Josh Broughton. |
| Jun 17, 2019 | Signed as free agent | Brad Bonnenfant | — | Kansas City Royals | Kansas City Royals signed free agent RHP Brad Bonnenfant to a minor league contract. |
| Jun 17, 2019 | Signed | Cody Davenport | — | Kansas City Royals | Kansas City Royals signed RHP Cody Davenport. |
| Jun 17, 2019 | Signed | Justin Hooper | — | Kansas City Royals | Kansas City Royals signed LHP Justin Hooper. |
| Jun 17, 2019 | Signed as free agent | Jack Gethings | — | Kansas City Royals | Kansas City Royals signed free agent 2B Jack Gethings to a minor league contract. |
| Jun 17, 2019 | Signed | Jimmy Govern | — | Kansas City Royals | Kansas City Royals signed 2B Jimmy Govern. |
| Jun 17, 2019 | Signed | Tyler Tolbert | — | Kansas City Royals | Kansas City Royals signed SS Tyler Tolbert. |
| Jun 17, 2019 | Signed as free agent | Ryan Allain | — | Tampa Bay Rays | Tampa Bay Rays signed free agent RHP Ryan Allain to a minor league contract. |
| Jun 17, 2019 | Signed | Carter Bach | — | Tampa Bay Rays | Tampa Bay Rays signed LHP Carter Bach. |
| Jun 17, 2019 | Signed | Jayden Murray | — | Tampa Bay Rays | Tampa Bay Rays signed RHP Jayden Murray. |
| Jun 17, 2019 | Signed | Mitchell Walters | — | Tampa Bay Rays | Tampa Bay Rays signed RHP Mitchell Walters. |
| Jun 17, 2019 | Signed | Angelo Armenta | — | Tampa Bay Rays | Tampa Bay Rays signed SS Angelo Armenta. |
| Jun 17, 2019 | Signed as free agent | Mason Mallard | — | Tampa Bay Rays | Tampa Bay Rays signed free agent LF Mason Mallard to a minor league contract. |
| Jun 17, 2019 | Signed | Ben Gross | — | Minnesota Twins | Minnesota Twins signed RHP Ben Gross. |
| Jun 17, 2019 | Signed | Brent Headrick | — | Minnesota Twins | Minnesota Twins signed LHP Brent Headrick. |
| Jun 17, 2019 | Signed | Brett Wisely | — | Tampa Bay Rays | Tampa Bay Rays signed 2B Brett Wisely. |
| Jun 17, 2019 | Signed | Cody Laweryson | — | Minnesota Twins | Minnesota Twins signed RHP Cody Laweryson. |
| Jun 17, 2019 | Signed | Logan Allen | — | Tampa Bay Rays | Tampa Bay Rays signed OF Logan Allen. |
| Jun 17, 2019 | Signed | Ryan Shreve | — | Minnesota Twins | Minnesota Twins signed RHP Ryan Shreve. |
| Jun 17, 2019 | Signed | Louis Varland | — | Minnesota Twins | Minnesota Twins signed RHP Louie Varland. |
| Jun 17, 2019 | Signed | Alex Isola | — | Minnesota Twins | Minnesota Twins signed C Alex Isola. |
| Jun 17, 2019 | Signed | Anthony Prato | — | Minnesota Twins | Minnesota Twins signed SS Anthony Prato. |
| Jun 17, 2019 | Signed | Trevor Jensen | — | Minnesota Twins | Minnesota Twins signed 1B Trevor Jensen. |
| Jun 17, 2019 | Signed | Matt Wallner | — | Minnesota Twins | Minnesota Twins signed OF Matt Wallner. |
| Jun 17, 2019 | Signed | Max Smith | — | Minnesota Twins | Minnesota Twins signed OF Max Smith. |
| Jun 17, 2019 | Signed | Alec Barger | — | Atlanta Braves | Atlanta Braves signed RHP Alec Barger. |
| Jun 17, 2019 | Signed | Tanner Gordon | — | Atlanta Braves | Atlanta Braves signed RHP Tanner Gordon. |
| Jun 17, 2019 | Signed | Alex Segal | — | Atlanta Braves | Atlanta Braves signed LHP Alex Segal. |
| Jun 17, 2019 | Signed | Bryce Ball | — | Atlanta Braves | Atlanta Braves signed 1B Bryce Ball. |
| Jun 17, 2019 | Signed | Mitch Calandra | — | Atlanta Braves | Atlanta Braves signed C Mitch Calandra. |
| Jun 17, 2019 | Signed | Will Guay | — | St. Louis Cardinals | St. Louis Cardinals signed RHP Will Guay. |
| Jun 17, 2019 | Signed | Cody Birdsong | — | Atlanta Braves | Atlanta Braves signed 2B Cody Birdsong. |
| Jun 17, 2019 | Signed | Cody Milligan | — | Atlanta Braves | Atlanta Braves signed 2B Cody Milligan. |
| Jun 17, 2019 | Signed | Beau Philip | — | Atlanta Braves | Atlanta Braves signed SS Beau Philip. |
| Jun 17, 2019 | Signed | Willie Carter | — | Atlanta Braves | Atlanta Braves signed LF Willie Carter. |
| Jun 17, 2019 | Signed | Brandon Parker | — | Atlanta Braves | Atlanta Braves signed RF Brandon Parker. |
| Jun 17, 2019 | Signed | Cameron Dulle | — | St. Louis Cardinals | St. Louis Cardinals signed RHP Cameron Dulle. |
| Jun 17, 2019 | Signed | Dylan Pearce | — | St. Louis Cardinals | St. Louis Cardinals signed RHP Dylan Pearce. |
| Jun 17, 2019 | Signed as free agent | Dalton Roach | — | St. Louis Cardinals | St. Louis Cardinals signed free agent RHP Dalton Roach to a minor league contract. |
| Jun 17, 2019 | Signed | Jake Sommers | — | St. Louis Cardinals | St. Louis Cardinals signed RHP Jake Sommers. |
| Jun 17, 2019 | Signed | Michael YaSenka | — | St. Louis Cardinals | St. Louis Cardinals signed RHP Michael YaSenka. |
| Jun 17, 2019 | Signed | Kyle Skeels | — | St. Louis Cardinals | St. Louis Cardinals signed C Kyle Skeels. |
| Jun 17, 2019 | Signed | Ben Baird | — | St. Louis Cardinals | St. Louis Cardinals signed SS Ben Baird. |
| Jun 17, 2019 | Signed | Todd Lott | — | St. Louis Cardinals | St. Louis Cardinals signed OF Todd Lott. |
| Jun 17, 2019 | Signed | Chandler Redmond | — | St. Louis Cardinals | St. Louis Cardinals signed 2B Chandler Redmond. |
| Jun 17, 2019 | Signed | David Vinsky | — | St. Louis Cardinals | St. Louis Cardinals signed OF David Vinsky. |
| Jun 17, 2019 | Signed | Peyton Battenfield | — | Houston Astros | Houston Astros signed RHP Peyton Battenfield. |
| Jun 17, 2019 | Signed | Patrick Causa | — | New York Mets | New York Mets signed SS Patrick Causa. |
| Jun 17, 2019 | Signed | Nick MacDonald | — | New York Mets | New York Mets signed RHP Nick MacDonald. |
| Jun 17, 2019 | Signed as free agent | Chris Owings | — | Boston Red Sox | Boston Red Sox signed free agent 2B Chris Owings to a minor league contract. |
| Jun 17, 2019 | Signed | Keven Pimentel | — | Colorado Rockies | Colorado Rockies signed RHP Keven Pimentel. |
| Jun 17, 2019 | Signed | Cooper Johnson | — | Detroit Tigers | Detroit Tigers signed C Cooper Johnson. |
| Jun 17, 2019 | Signed | Dylan Thomas | — | Minnesota Twins | Minnesota Twins signed RHP Dylan Thomas. |
| Jun 16, 2019 | Signed | Tanner Murphy | — | New York Mets | New York Mets signed OF Tanner Murphy. |
| Jun 16, 2019 | Signed | Cole Kleszcz | — | New York Mets | New York Mets signed OF Cole Kleszcz. |
| Jun 16, 2019 | Signed | Kennie Taylor | — | New York Mets | New York Mets signed OF Kennie Taylor. |
| Jun 16, 2019 | Signed | Gabriel Ponce | — | Toronto Blue Jays | Toronto Blue Jays signed RHP Gabriel Ponce. |
| Jun 16, 2019 | Signed | Nick Fraze | — | Toronto Blue Jays | Toronto Blue Jays signed RHP Nick Fraze. |
| Jun 16, 2019 | Signed | Justin Crump | — | San Francisco Giants | San Francisco Giants signed RHP Justin Crump. |
| Jun 16, 2019 | Signed | Jared DiCesare | — | Toronto Blue Jays | Toronto Blue Jays signed RHP Jared DiCesare. |
| Jun 16, 2019 | Signed as free agent | Kyle Huckaby | — | Toronto Blue Jays | Toronto Blue Jays signed free agent LHP Kyle Huckaby to a minor league contract. |
| Jun 16, 2019 | Signed | Luis Quiñones | — | Toronto Blue Jays | Toronto Blue Jays signed RHP Luis Quinones. |
| Jun 16, 2019 | Signed | Sam Ryan | — | Toronto Blue Jays | Toronto Blue Jays signed RHP Sam Ryan. |
| Jun 16, 2019 | Signed | Ryan Sloniger | — | Toronto Blue Jays | Toronto Blue Jays signed C Ryan Sloniger. |
| Jun 16, 2019 | Signed | Scotty Bradley | — | Toronto Blue Jays | Toronto Blue Jays signed C Scotty Bradley. |
| Jun 16, 2019 | Signed | Eric Rivera | — | Toronto Blue Jays | Toronto Blue Jays signed OF Eric Rivera. |
| Jun 16, 2019 | Signed | Angel Camacho | — | Toronto Blue Jays | Toronto Blue Jays signed 3B Angel Camacho. |
| Jun 16, 2019 | Signed | Spencer Horwitz | — | Toronto Blue Jays | Toronto Blue Jays signed 1B Spencer Horwitz. |
| Jun 16, 2019 | Signed | Jonathan Stroman | — | Arizona Diamondbacks | Arizona Diamondbacks signed RHP Jonathan Stroman. |
| Jun 16, 2019 | Signed as free agent | Angelo Altavilla | — | Arizona Diamondbacks | Arizona Diamondbacks signed free agent SS Angelo Altavilla to a minor league contract. |
| Jun 16, 2019 | Signed | Dante Biasi | — | Kansas City Royals | Kansas City Royals signed LHP Dante Biasi. |
| Jun 16, 2019 | Signed | Noah Murdock | — | Kansas City Royals | Kansas City Royals signed RHP Noah Murdock. |
| Jun 16, 2019 | Signed | Zack Phillips | — | Kansas City Royals | Kansas City Royals signed LHP Zack Phillips. |
| Jun 16, 2019 | Signed | Alex Smith | — | Kansas City Royals | Kansas City Royals signed LHP Alex Smith. |
| Jun 16, 2019 | Signed | Patrick Smith | — | Kansas City Royals | Kansas City Royals signed LHP Patrick Smith. |
| Jun 16, 2019 | Signed | Jay Charleston | — | Kansas City Royals | Kansas City Royals signed 2B Jay Charleston. |
| Jun 16, 2019 | Signed | Jake Means | — | Kansas City Royals | Kansas City Royals signed 3B Jake Means. |
| Jun 16, 2019 | Signed | Michael Massey | — | Kansas City Royals | Kansas City Royals signed 2B Michael Massey. |
| Jun 16, 2019 | Signed | Vinnie Pasquantino | — | Kansas City Royals | Kansas City Royals signed 1B Vinnie Pasquantino. |
| Jun 16, 2019 | Signed | Burle Dixon | — | Kansas City Royals | Kansas City Royals signed CF Burle Dixon. |
| Jun 16, 2019 | Signed | John Rave | — | Kansas City Royals | Kansas City Royals signed OF John Rave. |
| Jun 16, 2019 | Signed | Thomas Lane | — | Cincinnati Reds | Cincinnati Reds signed RHP Thomas Lane. |
| Jun 16, 2019 | Signed | Caleb Van Blake | — | Cincinnati Reds | Cincinnati Reds signed 3B Caleb Van Blake. |
| Jun 16, 2019 | Signed as free agent | John Cain | — | Los Angeles Angels | Los Angeles Angels signed free agent LHP John Cain to a minor league contract. |
| Jun 16, 2019 | Signed | Dominic Yearego | — | Athletics | Oakland Athletics signed RHP Dominic Yearego. |
| Jun 16, 2019 | Signed | Drew Millas | — | Athletics | Oakland Athletics signed C Drew Millas. |
| Jun 16, 2019 | Signed | Brock Whittlesey | — | Athletics | Oakland Athletics signed RHP Brock Whittlesey. |
| Jun 16, 2019 | Signed | Seth Shuman | — | Athletics | Oakland Athletics signed RHP Seth Shuman. |
| Jun 16, 2019 | Signed | Jose Dicochea | — | Athletics | Oakland Athletics signed RHP Jose Dicochea. |
| Jun 16, 2019 | Signed | Brock Begue | — | Milwaukee Brewers | Milwaukee Brewers signed LHP Brock Begue. |
| Jun 16, 2019 | Signed | Odrick Pitre | — | Milwaukee Brewers | Milwaukee Brewers signed SS Odrick Pitre. |
| Jun 15, 2019 | Trade | Brooks Pounders | Cleveland Guardians | New York Mets | Cleveland Indians traded RHP Brooks Pounders to New York Mets for cash. |
| Jun 15, 2019 | Signed | Brett Baty | — | New York Mets | New York Mets signed 3B Brett Baty. |
| Jun 15, 2019 | Signed | Jacob Herbert | — | Boston Red Sox | Boston Red Sox signed C Jacob Herbert. |
| Jun 15, 2019 | Signed | Dylan Spacke | — | Boston Red Sox | Boston Red Sox signed RHP Dylan Spacke. |
| Jun 15, 2019 | Signed | Dominic D'Alessandro | — | Boston Red Sox | Boston Red Sox signed 1B Dominic D'Alessandro. |
| Jun 15, 2019 | Signed | Leon Paulino | — | Boston Red Sox | Boston Red Sox signed CF Leon Paulino. |
| Jun 15, 2019 | Signed | Dean Miller | — | Boston Red Sox | Boston Red Sox signed OF Dean Miller. |
| Jun 15, 2019 | Signed | Devon Roedahl | — | Boston Red Sox | Boston Red Sox signed RHP Devon Roedahl. |
| Jun 15, 2019 | Signed | Brandon Walter | — | Boston Red Sox | Boston Red Sox signed LHP Brandon Walter. |
| Jun 15, 2019 | Signed as free agent | Darnell Sweeney | — | Pittsburgh Pirates | Pittsburgh Pirates signed free agent 2B Darnell Sweeney to a minor league contract. |
| Jun 15, 2019 | Trade | Edwin Encarnación | Seattle Mariners | New York Yankees | Seattle Mariners traded 1B Edwin Encarnacion and cash to New York Yankees for Juan Then. |
| Jun 15, 2019 | Signed as free agent | Cristian Brioso | — | Colorado Rockies | Colorado Rockies signed free agent RHP Cristian Brioso to a minor league contract. |
| Jun 15, 2019 | Signed as free agent | Wilmer Smith | — | Atlanta Braves | Atlanta Braves signed free agent IF Wilmer Smith to a minor league contract. |
| Jun 15, 2019 | Signed as free agent | Nelson Celesten | — | Atlanta Braves | Atlanta Braves signed free agent IF Nelson Celesten to a minor league contract. |
| Jun 15, 2019 | Signed as free agent | Yennier Cano | — | Minnesota Twins | Minnesota Twins signed free agent RHP Yenier Cano to a minor league contract. |
| Jun 15, 2019 | Signed | Erik Rivera | — | Los Angeles Angels | Los Angeles Angels signed OF Erik Rivera. |
| Jun 15, 2019 | Signed | Kade Strowd | — | Baltimore Orioles | Baltimore Orioles signed RHP Kade Strowd. |
| Jun 15, 2019 | Signed as free agent | Richard Roman | — | Miami Marlins | Miami Marlins signed free agent OF Richard Roman to a minor league contract. |
| Jun 15, 2019 | Signed as free agent | Elias Petiyan | — | Tampa Bay Rays | Tampa Bay Rays signed free agent OF Elias Petiyan to a minor league contract. |
| Jun 15, 2019 | Signed as free agent | Ricardo Green | — | Chicago Cubs | Chicago Cubs signed free agent RHP Ricardo Green to a minor league contract. |
| Jun 15, 2019 | Signed as free agent | Ramon Carrasco | — | Milwaukee Brewers | Milwaukee Brewers signed free agent RHP Ramon Carrasco to a minor league contract. |
| Jun 15, 2019 | Signed as free agent | Alexander Cornielle | — | Milwaukee Brewers | Milwaukee Brewers signed free agent RHP Alexande Cornielle to a minor league contract. |
| Jun 15, 2019 | Signed as free agent | Marcos De La Rosa | — | Toronto Blue Jays | Toronto Blue Jays signed free agent SS Marcos De La Rosa to a minor league contract. |
| Jun 15, 2019 | Signed as free agent | Nader Garcia | — | Milwaukee Brewers | Milwaukee Brewers signed free agent C Nader Garcia to a minor league contract. |
| Jun 14, 2019 | Signed | Yamil Nieves | — | Cincinnati Reds | Cincinnati Reds signed C Yamil Nieves. |
| Jun 14, 2019 | Signed | Eric Yang | — | Cincinnati Reds | Cincinnati Reds signed C Eric Yang. |
| Jun 14, 2019 | Signed | Wendell Marrero | — | Cincinnati Reds | Cincinnati Reds signed RF Wendell Marrero. |
| Jun 14, 2019 | Trade | Adrian Rondon | Tampa Bay Rays | Los Angeles Angels | Tampa Bay Rays traded IF Adrian Rondon to Los Angeles Angels. |
| Jun 14, 2019 | Signed | John Doxakis | — | Tampa Bay Rays | Tampa Bay Rays signed LHP John Doxakis. |
| Jun 14, 2019 | Trade | Jake Petricka | Milwaukee Brewers | Texas Rangers | Milwaukee Brewers traded RHP Jake Petricka to Texas Rangers for Player To Be Named Later. |
| Jun 14, 2019 | Signed | James Beard | — | Chicago White Sox | Chicago White Sox signed CF James Beard. |
| Jun 14, 2019 | Signed | Dan Metzdorf | — | Chicago White Sox | Chicago White Sox signed LHP Dan Metzdorf. |
| Jun 14, 2019 | Signed | Avery Weems | — | Chicago White Sox | Chicago White Sox signed LHP Avery Weems. |
| Jun 14, 2019 | Signed | Karan Patel | — | Chicago White Sox | Chicago White Sox signed RHP Karan Patel. |
| Jun 14, 2019 | Signed | Ivan Gonzalez | — | Chicago White Sox | Chicago White Sox signed C Ivan Gonzalez. |
| Jun 14, 2019 | Signed | Tyson Messer | — | Chicago White Sox | Chicago White Sox signed RHP Tyson Messer. |
| Jun 14, 2019 | Signed | Nate Pawelczyk | — | Chicago White Sox | Chicago White Sox signed RHP Nate Pawelczyk. |
| Jun 14, 2019 | Signed | Victor Torres | — | Chicago White Sox | Chicago White Sox signed C Victor Torres. |
| Jun 14, 2019 | Signed | Misael Gonzalez | — | Chicago White Sox | Chicago White Sox signed CF Misael Gonzalez Acosta. |
| Jun 14, 2019 | Signed | Cooper Bradford | — | Chicago White Sox | Chicago White Sox signed RHP Cooper Bradford. |
| Jun 14, 2019 | Signed | McKinley Moore | — | Chicago White Sox | Chicago White Sox signed RHP McKinley Moore. |
| Jun 14, 2019 | Signed | DJ Gladney | — | Chicago White Sox | Chicago White Sox signed 3B DJ Gladney. |
| Jun 14, 2019 | Signed | Jeremiah Burke | — | Chicago White Sox | Chicago White Sox signed RHP Jeremiah Burke. |
| Jun 14, 2019 | Signed | Joshua Rivera | — | Chicago White Sox | Chicago White Sox signed SS Joshua Rivera. |
| Jun 14, 2019 | Signed | Cameron Simmons | — | Chicago White Sox | Chicago White Sox signed OF Cameron Simmons. |
| Jun 14, 2019 | Signed | Chase Solesky | — | Chicago White Sox | Chicago White Sox signed RHP Chase Solesky. |
| Jun 14, 2019 | Signed | Pauly Milto | — | Chicago White Sox | Chicago White Sox signed RHP Pauly Milto. |
| Jun 14, 2019 | Signed | Jakob Goldfarb | — | Chicago White Sox | Chicago White Sox signed C Jakob Goldfarb. |
| Jun 14, 2019 | Signed | Justin Friedman | — | Chicago White Sox | Chicago White Sox signed RHP Justin Friedman. |
| Jun 14, 2019 | Signed | Tyler Osik | — | Chicago White Sox | Chicago White Sox signed 1B Tyler Osik. |
| Jun 14, 2019 | Signed | Kaleb Roper | — | Chicago White Sox | Chicago White Sox signed RHP Kaleb Roper. |
| Jun 14, 2019 | Signed | Daniel Millwee | — | Chicago White Sox | Chicago White Sox signed C Daniel Millwee. |
| Jun 14, 2019 | Signed | Connor Reich | — | Chicago White Sox | Chicago White Sox signed RHP Connor Reich. |
| Jun 14, 2019 | Signed | Jonathan Allen | — | Chicago White Sox | Chicago White Sox signed CF Jonathan Allen. |
| Jun 14, 2019 | Signed | Trey Jeans | — | Chicago White Sox | Chicago White Sox signed LHP Trey Jeans. |
| Jun 14, 2019 | Signed | Declan Cronin | — | Chicago White Sox | Chicago White Sox signed RHP Declan Cronin. |
| Jun 14, 2019 | Signed | Garvin Alston | — | Chicago White Sox | Chicago White Sox signed LHP Garvin Alston. |
| Jun 14, 2019 | Signed | Tom Archer | — | Chicago White Sox | Chicago White Sox signed 2B Tom Archer. |
| Jun 14, 2019 | Signed | Nick Silva | — | Chicago White Sox | Chicago White Sox signed RHP Nick Silva. |
| Jun 14, 2019 | Signed as free agent | Allan Beer | — | Chicago White Sox | Chicago White Sox signed free agent RHP Allen Beer to a minor league contract. |
| Jun 14, 2019 | Signed as free agent | Vladimir Nunez | — | Chicago White Sox | Chicago White Sox signed free agent RHP Vladimir Nunez to a minor league contract. |
| Jun 14, 2019 | Signed | Grae Kessinger | — | Houston Astros | Houston Astros signed SS Grae Kessinger. |
| Jun 14, 2019 | Signed | Colin Barber | — | Houston Astros | Houston Astros signed CF Colin Barber. |
| Jun 14, 2019 | Signed | Ernny Ordonez | — | Pittsburgh Pirates | Pittsburgh Pirates signed 3B Ernny Ordonez. |
| Jun 14, 2019 | Signed | Sammy Siani | — | Pittsburgh Pirates | Pittsburgh Pirates signed CF Sammy Siani. |
| Jun 14, 2019 | Signed | Yordys Valdes | — | Cleveland Guardians | Cleveland Indians signed SS Yordys Valdes. |
| Jun 14, 2019 | Signed | Joe Naranjo | — | Cleveland Guardians | Cleveland Indians signed 1B Joe Naranjo. |
| Jun 14, 2019 | Signed | Jordan Brown | — | Cleveland Guardians | Cleveland Indians signed SS Jordan Brown. |
| Jun 14, 2019 | Signed | Daniel Espino | — | Cleveland Guardians | Cleveland Indians signed RHP Daniel Espino. |
| Jun 14, 2019 | Signed | Christian Cairo | — | Cleveland Guardians | Cleveland Indians signed SS Christian Cairo. |
| Jun 14, 2019 | Signed | Hunter Gaddis | — | Cleveland Guardians | Cleveland Indians signed RHP Hunter Gaddis. |
| Jun 14, 2019 | Signed | Xzavion Curry | — | Cleveland Guardians | Cleveland Indians signed RHP Xzavion Curry. |
| Jun 14, 2019 | Signed | Will Brennan | — | Cleveland Guardians | Cleveland Indians signed CF Will Brennan. |
| Jun 14, 2019 | Signed | Will Bartlett | — | Cleveland Guardians | Cleveland Indians signed 1B Will Bartlett. |
| Jun 14, 2019 | Signed | Zach Hart | — | Cleveland Guardians | Cleveland Indians signed RHP Zach Hart. |
| Jun 14, 2019 | Signed | Nick Mikolajchak | — | Cleveland Guardians | Cleveland Indians signed RHP Nick Mikolajchak. |
| Jun 14, 2019 | Signed | Matt Waldron | — | Cleveland Guardians | Cleveland Indians signed Matt Waldron. |
| Jun 14, 2019 | Signed | Austin Pinorini | — | Cleveland Guardians | Cleveland Indians signed C Austin Pinorini. |
| Jun 14, 2019 | Signed | Andrew Misiaszek | — | Cleveland Guardians | Cleveland Indians signed LHP Andrew Misiaszek. |
| Jun 14, 2019 | Signed | Jacob Forrester | — | Cleveland Guardians | Cleveland Indians signed RHP Jacob Forrester. |
| Jun 14, 2019 | Signed | Micah Pries | — | Cleveland Guardians | Cleveland Indians signed OF Micah Pries. |
| Jun 14, 2019 | Signed | Trey Benton | — | Cleveland Guardians | Cleveland Indians signed RHP Trey Benton. |
| Jun 14, 2019 | Signed | Jordan Jones | — | Cleveland Guardians | Cleveland Indians signed RHP Jordan Jones. |
| Jun 14, 2019 | Signed | Julian Escobedo | — | Cleveland Guardians | Cleveland Indians signed CF Julian Escobedo. |
| Jun 14, 2019 | Signed | Kevin Kelly | — | Cleveland Guardians | Cleveland Indians signed RHP Kevin Kelly. |
| Jun 14, 2019 | Signed | Nic Enright | — | Cleveland Guardians | Cleveland Indians signed RHP Nic Enright. |
| Jun 14, 2019 | Signed | Michael Amditis | — | Cleveland Guardians | Cleveland Indians signed C Michael Amditis. |
| Jun 14, 2019 | Signed | Allan Hernandez | — | Cleveland Guardians | Cleveland Indians signed RHP Allan Hernandez. |
| Jun 14, 2019 | Signed | Chandler Fidel | — | Cleveland Guardians | Cleveland Indians signed LHP Chandler Fidel. |
| Jun 14, 2019 | Signed | Joab Gonzalez | — | Cleveland Guardians | Cleveland Indians signed SS Joab Gonzalez. |
| Jun 14, 2019 | Signed | Eric Mock | — | Cleveland Guardians | Cleveland Indians signed RHP Eric Mock. |
| Jun 14, 2019 | Signed | Serafino Brito | — | Cleveland Guardians | Cleveland Indians signed RHP Serafino Brito. |
| Jun 14, 2019 | Signed | Nathan Ocker | — | Cleveland Guardians | Cleveland Indians signed RHP Nate Ocker. |
| Jun 14, 2019 | Signed | Jared Janczak | — | Cleveland Guardians | Cleveland Indians signed RHP Jared Janczak. |
| Jun 14, 2019 | Signed | Kevin Coulter | — | Cleveland Guardians | Cleveland Indians signed RHP Kevin Coulter. |
| Jun 14, 2019 | Signed | Alec Wisely | — | Cleveland Guardians | Cleveland Indians signed RHP Alec Wisely. |
| Jun 14, 2019 | Signed | Randy Labaut | — | Cleveland Guardians | Cleveland Indians signed LHP Randy Labaut. |
| Jun 14, 2019 | Signed | Chad Sykes | — | Los Angeles Angels | Los Angeles Angels signed RHP Chad Sykes. |
| Jun 14, 2019 | Signed | Zac Kristofak | — | Los Angeles Angels | Los Angeles Angels signed RHP Zac Kristofak. |
| Jun 14, 2019 | Signed as free agent | James Varela | — | Los Angeles Angels | Los Angeles Angels signed free agent RHP James Varela to a minor league contract. |
| Jun 14, 2019 | Signed | Greg Veliz | — | Los Angeles Angels | Los Angeles Angels signed RHP Greg Veliz. |
| Jun 14, 2019 | Signed | Spencer Brickhouse | — | Arizona Diamondbacks | Arizona Diamondbacks signed 1B Spencer Brickhouse. |
| Jun 14, 2019 | Signed as free agent | Evan Johnson | — | Seattle Mariners | Seattle Mariners signed free agent RHP Evan Johnson to a minor league contract. |
| Jun 14, 2019 | Signed | LJ Talley | — | Toronto Blue Jays | Toronto Blue Jays signed 2B L.J. Talley. |
| Jun 14, 2019 | Signed as free agent | Juan Peralta | — | St. Louis Cardinals | St. Louis Cardinals signed free agent RHP Juan Peralta to a minor league contract. |
| Jun 14, 2019 | Signed as free agent | Alex Nolan | — | Toronto Blue Jays | Toronto Blue Jays signed free agent RHP Alex Nolan to a minor league contract. |
| Jun 14, 2019 | Signed | Cole Waites | — | San Francisco Giants | San Francisco Giants signed RHP Cole Waites. |
| Jun 14, 2019 | Signed | Carter Aldrete | — | San Francisco Giants | San Francisco Giants signed 2B Carter Aldrete. |
| Jun 14, 2019 | Signed | Dilan Rosario | — | San Francisco Giants | San Francisco Giants signed SS Dilan Rosario. |
| Jun 14, 2019 | Signed | Connor Cannon | — | San Francisco Giants | San Francisco Giants signed 1B Connor Cannon. |
| Jun 14, 2019 | Signed | Javeyan Williams | — | San Francisco Giants | San Francisco Giants signed CF Javeyan Williams. |
| Jun 14, 2019 | Signed as free agent | Cody Freeman | — | Texas Rangers | Texas Rangers signed free agent SS Cody Freeman to a minor league contract. |
| Jun 14, 2019 | Signed as free agent | Juan Martinez | — | Milwaukee Brewers | Milwaukee Brewers signed free agent C Juan Martinez to a minor league contract. |
| Jun 14, 2019 | Signed as free agent | Enmanuel Acosta | — | Arizona Diamondbacks | Arizona Diamondbacks signed free agent RHP Enmanuel Acosta to a minor league contract. |
| Jun 14, 2019 | Signed | Logan Gragg | — | St. Louis Cardinals | St. Louis Cardinals signed RHP Logan Gragg. |
| Jun 14, 2019 | Signed as free agent | Jancarlos Javiel | — | Colorado Rockies | Colorado Rockies signed free agent IF Jancarlos Javiel to a minor league contract. |
| Jun 14, 2019 | Signed as free agent | Jorge Arellano | — | Chicago Cubs | Chicago Cubs signed free agent RHP Jorge Arellano to a minor league contract. |
| Jun 14, 2019 | Signed | Tyler Owens | — | Atlanta Braves | Atlanta Braves signed RHP Tyler Owens. |
| Jun 14, 2019 | Signed | Kadon Morton | — | Atlanta Braves | Atlanta Braves signed OF Kadon Morton. |
| Jun 14, 2019 | Signed | Vaughn Grissom | — | Atlanta Braves | Atlanta Braves signed SS Vaughn Grissom. |
| Jun 14, 2019 | Signed | Jared Johnson | — | Atlanta Braves | Atlanta Braves signed RHP Jared Johnson. |
| Jun 14, 2019 | Signed | Ridge Chapman | — | Los Angeles Angels | Los Angeles Angels signed RHP Ridge Chapman. |
| Jun 14, 2019 | Signed | Tyler Beck | — | Minnesota Twins | Minnesota Twins signed RHP Tyler Beck. |
| Jun 14, 2019 | Signed | E.P. Reese | — | Houston Astros | Houston Astros signed CF E.P. Reese. |
| Jun 14, 2019 | Signed as free agent | Fran Castro | — | Los Angeles Dodgers | Los Angeles Dodgers signed free agent RHP Fran Castro to a minor league contract. |
| Jun 14, 2019 | Signed | JJ Goss | — | Tampa Bay Rays | Tampa Bay Rays signed RHP JJ Goss. |
| Jun 14, 2019 | Signed | Jamarcus Lang | — | Texas Rangers | Texas Rangers signed RHP Jamarcus Lang. |
| Jun 14, 2019 | Signed as free agent | Starlin Mateo | — | Chicago Cubs | Chicago Cubs signed free agent OF Starlin Mateo to a minor league contract. |
| Jun 14, 2019 | Signed | Rolddy Muñoz | — | Atlanta Braves | Atlanta Braves signed RHP Rolddy Munoz. |
| Jun 14, 2019 | Signed | Bryan Martinez | — | Houston Astros | Houston Astros signed LHP Bryan Martinez. |
| Jun 14, 2019 | Signed as free agent | Pablo Sierra | — | Colorado Rockies | Colorado Rockies signed free agent C Pablo Sierra to a minor league contract. |
| Jun 14, 2019 | Signed as free agent | Wilker Ruiz | — | Chicago Cubs | Chicago Cubs signed free agent LHP Wilker Ruiz to a minor league contract. |
| Jun 14, 2019 | Signed as free agent | Samuel Rodriguez | — | Chicago Cubs | Chicago Cubs signed free agent LHP Samuel Rodriguez to a minor league contract. |
| Jun 14, 2019 | Signed as free agent | Joanfran Rojas | — | Chicago Cubs | Chicago Cubs signed free agent SS Joanfran Rojas to a minor league contract. |
| Jun 14, 2019 | Signed as free agent | Joiner Vicent | — | Arizona Diamondbacks | Arizona Diamondbacks signed free agent RHP Joiner Vicent to a minor league contract. |
| Jun 14, 2019 | Signed | Dakota Donovan | — | Los Angeles Angels | Los Angeles Angels signed RHP Dakota Donovan. |
| Jun 14, 2019 | Signed | Brent Killam | — | Los Angeles Angels | Los Angeles Angels signed LHP Brent Killam. |
| Jun 14, 2019 | Signed | Garrett Lawson | — | Los Angeles Angels | Los Angeles Angels signed LHP Garrett Lawson. |
| Jun 14, 2019 | Signed | Zach Linginfelter | — | Los Angeles Angels | Los Angeles Angels signed RHP Zach Linginfelter. |
| Jun 14, 2019 | Signed | Edwin Sanchez | — | Los Angeles Angels | Los Angeles Angels signed RHP Edwin Sanchez. |
| Jun 13, 2019 | Signed | Tyler Dyson | — | Washington Nationals | Washington Nationals signed RHP Tyler Dyson. |
| Jun 13, 2019 | Signed | Jackson Cluff | — | Washington Nationals | Washington Nationals signed SS Jackson Cluff. |
| Jun 13, 2019 | Signed | Hunter McMahon | — | Washington Nationals | Washington Nationals signed RHP Hunter McMahon. |
| Jun 13, 2019 | Signed | Andrew Pratt | — | Washington Nationals | Washington Nationals signed C Andrew Pratt. |
| Jun 13, 2019 | Signed | J.T. Arruda | — | Washington Nationals | Washington Nationals signed SS J.T. Arruda. |
| Jun 13, 2019 | Signed | Jake Randa | — | Washington Nationals | Washington Nationals signed OF Jake Randa. |
| Jun 13, 2019 | Signed | Davis Moore | — | Washington Nationals | Washington Nationals signed RHP Davis Moore. |
| Jun 13, 2019 | Signed | Junior Martina | — | Washington Nationals | Washington Nationals signed SS Junior Martina. |
| Jun 13, 2019 | Signed | Amos Willingham | — | Washington Nationals | Washington Nationals signed RHP Amos Willingham. |
| Jun 13, 2019 | Signed | Mason Doolittle | — | Washington Nationals | Washington Nationals signed C Mason Doolittle. |
| Jun 13, 2019 | Signed | Tyler Yankosky | — | Washington Nationals | Washington Nationals signed RHP Tyler Yankosky. |
| Jun 13, 2019 | Signed | Jack Dunn | — | Washington Nationals | Washington Nationals signed SS Jack Dunn. |
| Jun 13, 2019 | Signed | Kevin Strohschein | — | Washington Nationals | Washington Nationals signed OF Kevin Strohschein. |
| Jun 13, 2019 | Signed | Allan Berríos | — | Washington Nationals | Washington Nationals signed C Allan Berrios. |
| Jun 13, 2019 | Signed | Jake Alu | — | Washington Nationals | Washington Nationals signed 3B Jake Alu. |
| Jun 13, 2019 | Signed | Parker Quinn | — | Washington Nationals | Washington Nationals signed 1B Parker Quinn. |
| Jun 13, 2019 | Signed | Jaylen Hubbard | — | Washington Nationals | Washington Nationals signed 3B Jaylen Hubbard. |
| Jun 13, 2019 | Signed | Troy Stainbrook | — | Washington Nationals | Washington Nationals signed LHP Troy Stainbrook. |
| Jun 13, 2019 | Signed | Dylan Beasley | — | Washington Nationals | Washington Nationals signed RHP Dylan Beasley. |
| Jun 13, 2019 | Signed | Anthony Gomez | — | Washington Nationals | Washington Nationals signed 2B Anthony Gomez. |
| Jun 13, 2019 | Signed as free agent | Yangervis Solarte | — | Miami Marlins | Miami Marlins signed free agent 3B Yangervis Solarte to a minor league contract. |
| Jun 13, 2019 | Signed | Rece Hinds | — | Cincinnati Reds | Cincinnati Reds signed SS Rece Hinds. |
| Jun 13, 2019 | Signed | Tyler Callihan | — | Cincinnati Reds | Cincinnati Reds signed 2B Tyler Callihan. |
| Jun 13, 2019 | Signed as free agent | Fernando Salas | — | Philadelphia Phillies | Philadelphia Phillies signed free agent RHP Fernando Salas to a minor league contract. |
| Jun 13, 2019 | Signed as free agent | John Curtiss | — | Philadelphia Phillies | Philadelphia Phillies signed free agent RHP John Curtiss to a minor league contract. |
| Jun 13, 2019 | Released | Nick Gardewine | — | Texas Rangers | Texas Rangers released RHP Nick Gardewine. |
| Jun 13, 2019 | Trade | Nick Kingham | Pittsburgh Pirates | Toronto Blue Jays | Pittsburgh Pirates traded RHP Nick Kingham to Toronto Blue Jays for cash. |
| Jun 13, 2019 | Signed | Andrés Alvarez | — | Pittsburgh Pirates | Pittsburgh Pirates signed SS Andres Alvarez. |
| Jun 13, 2019 | Signed | Bear Bellomy | — | Pittsburgh Pirates | Pittsburgh Pirates signed RHP Bear Bellomy. |
| Jun 13, 2019 | Signed | TJ Hopkins | — | Cincinnati Reds | Cincinnati Reds signed CF TJ Hopkins. |
| Jun 13, 2019 | Signed | Ethan Goforth | — | Pittsburgh Pirates | Pittsburgh Pirates signed C Ethan Goforth. |
| Jun 13, 2019 | Signed | Ryan Troutman | — | Pittsburgh Pirates | Pittsburgh Pirates signed RHP Ryan Troutman. |
| Jun 13, 2019 | Signed | Samson Abernathy | — | Pittsburgh Pirates | Pittsburgh Pirates signed RHP Samson Abernathy. |
| Jun 13, 2019 | Signed | Josh Bissonette | — | Pittsburgh Pirates | Pittsburgh Pirates signed 2B Josh Bissonette. |
| Jun 13, 2019 | Signed | Jake Sweeney | — | Pittsburgh Pirates | Pittsburgh Pirates signed RHP Jake Sweeney. |
| Jun 13, 2019 | Signed | Daniel Ross | — | Pittsburgh Pirates | Pittsburgh Pirates signed RHP Daniel Ross. |
| Jun 13, 2019 | Signed | Ben Brecht | — | Tampa Bay Rays | Tampa Bay Rays signed LHP Ben Brecht. |
| Jun 13, 2019 | Signed | Andrew Gross | — | Tampa Bay Rays | Tampa Bay Rays signed RHP Andrew Gross. |
| Jun 13, 2019 | Signed | Joe La Sorsa | — | Tampa Bay Rays | Tampa Bay Rays signed LHP Joe LaSorsa. |
| Jun 13, 2019 | Signed | Colby White | — | Tampa Bay Rays | Tampa Bay Rays signed RHP Colby White. |
| Jun 13, 2019 | Signed | Nathan Wiles | — | Tampa Bay Rays | Tampa Bay Rays signed RHP Nathan Wiles. |
| Jun 13, 2019 | Signed | Jonathan Embry | — | Tampa Bay Rays | Tampa Bay Rays signed C Jonathan Embry. |
| Jun 13, 2019 | Signed | Luis Trevino | — | Tampa Bay Rays | Tampa Bay Rays signed C Luis Trevino. |
| Jun 13, 2019 | Signed | Nick Sogard | — | Tampa Bay Rays | Tampa Bay Rays signed SS Nick Sogard. |
| Jun 13, 2019 | Signed | Hill Alexander | — | Tampa Bay Rays | Tampa Bay Rays signed OF Hill Alexander. |
| Jun 13, 2019 | Signed | Garrett Hiott | — | Tampa Bay Rays | Tampa Bay Rays signed CF Garrett Hiott. |
| Jun 13, 2019 | Trade | Brad Miller | New York Yankees | Philadelphia Phillies | Philadelphia Phillies traded cash to New York Yankees for 2B Brad Miller. |
| Jun 13, 2019 | Signed | Bryce Milligan | — | Milwaukee Brewers | Milwaukee Brewers signed RHP Bryce Milligan. |
| Jun 13, 2019 | Signed | Arman Sabouri | — | Milwaukee Brewers | Milwaukee Brewers signed LHP Arman Sabouri. |
| Jun 13, 2019 | Signed | Paxton Schultz | — | Milwaukee Brewers | Milwaukee Brewers signed RHP Paxton Schultz. |
| Jun 13, 2019 | Signed | Zak Baayoun | — | Colorado Rockies | Colorado Rockies signed LHP Zak Baayoun. |
| Jun 13, 2019 | Signed | Luke Chevalier | — | Colorado Rockies | Colorado Rockies signed RHP Luke Chevalier. |
| Jun 13, 2019 | Signed | Cameron Enck | — | Colorado Rockies | Colorado Rockies signed RHP Cameron Enck. |
| Jun 13, 2019 | Signed | Stephen Jones | — | Colorado Rockies | Colorado Rockies signed RHP Stephen Jones. |
| Jun 13, 2019 | Signed | Jordan Spicer | — | Colorado Rockies | Colorado Rockies signed RHP Jordan Spicer. |
| Jun 13, 2019 | Signed | Jacob Wallace | — | Colorado Rockies | Colorado Rockies signed RHP Jacob Wallace. |
| Jun 13, 2019 | Signed | Daniel Cope | — | Colorado Rockies | Colorado Rockies signed C Daniel Cope. |
| Jun 13, 2019 | Signed | Aaron Schunk | — | Colorado Rockies | Colorado Rockies signed 3B Aaron Schunk. |
| Jun 13, 2019 | Signed | Brooks Crawford | — | San Francisco Giants | San Francisco Giants signed RHP Brooks Crawford. |
| Jun 13, 2019 | Signed as free agent | Michael Stryffeler | — | Seattle Mariners | Seattle Mariners signed free agent RHP Michael Stryffeler to a minor league contract. |
| Jun 13, 2019 | Signed as free agent | Cole Gray | — | Athletics | Oakland Athletics signed free agent RHP Cole Gray to a minor league contract. |
| Jun 13, 2019 | Signed | Stephen Paolini | — | Atlanta Braves | Atlanta Braves signed OF Stephen Paolini. |
| Jun 13, 2019 | Signed | Justin Yeager | — | Atlanta Braves | Atlanta Braves signed RHP Justin Yeager. |
| Jun 13, 2019 | Signed | Alek Manoah | — | Toronto Blue Jays | Toronto Blue Jays signed RHP Alek Manoah. |
| Jun 13, 2019 | Signed | Andrew Magno | — | Detroit Tigers | Detroit Tigers signed LHP Andrew Magno. |
| Jun 13, 2019 | Signed | Mark Mixon | — | Los Angeles Dodgers | Los Angeles Dodgers signed RHP Mark Mixon. |
| Jun 13, 2019 | Signed as free agent | Ryan Randel | — | Los Angeles Angels | Los Angeles Angels signed free agent RHP Ryan Randel to a minor league contract. |
| Jun 13, 2019 | Signed | Corey Stone | — | Texas Rangers | Texas Rangers signed LHP Corey Stone. |
| Jun 13, 2019 | Signed | Matteo Bocchi | — | Chicago Cubs | Chicago Cubs signed RHP Matteo Bocchi. |
| Jun 13, 2019 | Signed | Ryan Fineman | — | Tampa Bay Rays | Tampa Bay Rays signed C Ryan Fineman. |
| Jun 13, 2019 | Signed as free agent | Jhorjan Guevara | — | Philadelphia Phillies | Philadelphia Phillies signed free agent OF Jhorjan Guevara to a minor league contract. |
| Jun 13, 2019 | Signed as free agent | Hao-Chun Cheng | — | Los Angeles Dodgers | Los Angeles Dodgers signed free agent RHP Hao-Chun Cheng to a minor league contract. |
| Jun 13, 2019 | Signed as free agent | José Rodríguez | — | Los Angeles Dodgers | Los Angeles Dodgers signed free agent RHP Jose Rodriguez to a minor league contract. |
| Jun 12, 2019 | Signed | Bobby Witt Jr. | — | Kansas City Royals | Kansas City Royals signed SS Bobby Witt Jr.. |
| Jun 12, 2019 | Signed | Korey Lee | — | Houston Astros | Houston Astros signed C Korey Lee. |
| Jun 12, 2019 | Signed | Luis Guerrero | — | Houston Astros | Houston Astros signed CF Luis Guerrero. |
| Jun 12, 2019 | Signed | Matthew Barefoot | — | Houston Astros | Houston Astros signed CF Matthew Barefoot. |
| Jun 12, 2019 | Signed | Blair Henley | — | Houston Astros | Houston Astros signed RHP Blair Henley. |
| Jun 12, 2019 | Signed | Derek West | — | Houston Astros | Houston Astros signed RHP Derek West. |
| Jun 12, 2019 | Signed | C.J. Stubbs | — | Houston Astros | Houston Astros signed C C.J. Stubbs. |
| Jun 12, 2019 | Signed | Cole McDonald | — | Houston Astros | Houston Astros signed RHP Cole McDonald. |
| Jun 12, 2019 | Signed | Alex Palmer | — | Houston Astros | Houston Astros signed RHP Alex Palmer. |
| Jun 12, 2019 | Signed | Danny Cody | — | Houston Astros | Houston Astros signed RHP Daniel Cody. |
| Jun 12, 2019 | Signed | Preston Pavlica | — | Houston Astros | Houston Astros signed CF Preston Pavlica. |
| Jun 12, 2019 | Signed | Kevin Dickey | — | Houston Astros | Houston Astros signed LHP Kevin Dickey. |
| Jun 12, 2019 | Signed | Zach Biermann | — | Houston Astros | Houston Astros signed 1B Zach Biermann. |
| Jun 12, 2019 | Signed | Chandler Casey | — | Houston Astros | Houston Astros signed RHP Chandler Casey. |
| Jun 12, 2019 | Signed | Justin Slaten | — | Texas Rangers | Texas Rangers signed RHP Justin Slaten. |
| Jun 12, 2019 | Signed | AJ Lee | — | Houston Astros | Houston Astros signed SS A.J. Lee. |
| Jun 12, 2019 | Signed | Kellen Strahm | — | Texas Rangers | Texas Rangers signed CF Kellen Strahm. |
| Jun 12, 2019 | Signed | John Matthews | — | Texas Rangers | Texas Rangers signed RHP John Matthews. |
| Jun 12, 2019 | Signed | Joe Corbett | — | Texas Rangers | Texas Rangers signed RHP Joe Corbett. |
| Jun 12, 2019 | Signed | Zak Kent | — | Texas Rangers | Texas Rangers signed RHP Zak Kent. |
| Jun 12, 2019 | Signed | Triston Polley | — | Texas Rangers | Texas Rangers signed LHP Triston Polley. |
| Jun 12, 2019 | Signed | Ben Anderson | — | Texas Rangers | Texas Rangers signed RHP Ben Anderson. |
| Jun 12, 2019 | Signed | Blaine Crim | — | Texas Rangers | Texas Rangers signed 1B Blaine Crim. |
| Jun 12, 2019 | Signed | Luke Schiltz | — | Texas Rangers | Texas Rangers signed RHP Luke Schiltz. |
| Jun 12, 2019 | Signed | Mason Cole | — | Texas Rangers | Texas Rangers signed RHP Mason Cole. |
| Jun 12, 2019 | Signed | Jake Hoover | — | Texas Rangers | Texas Rangers signed SS Jake Hoover. |
| Jun 12, 2019 | Signed | Spencer Mraz | — | Texas Rangers | Texas Rangers signed RHP Spencer Mraz. |
| Jun 12, 2019 | Signed | Leon Hunter Jr. | — | Texas Rangers | Texas Rangers signed RHP Leon Hunter. |
| Jun 12, 2019 | Signed as free agent | Zac Rosscup | — | Los Angeles Dodgers | Los Angeles Dodgers signed free agent LHP Zac Rosscup to a minor league contract. |
| Jun 12, 2019 | Signed as free agent | Josh Gessner | — | Philadelphia Phillies | Philadelphia Phillies signed free agent RHP Joshua Gessner to a minor league contract. |
| Jun 12, 2019 | Signed | Tre Fletcher | — | St. Louis Cardinals | St. Louis Cardinals signed CF Trejyn Fletcher. |
| Jun 12, 2019 | Signed | Tony Locey | — | St. Louis Cardinals | St. Louis Cardinals signed RHP Tony Locey. |
| Jun 12, 2019 | Signed | Pedro Pagés | — | St. Louis Cardinals | St. Louis Cardinals signed C Pedro Pages. |
| Jun 12, 2019 | Signed | Aaron Antonini | — | St. Louis Cardinals | St. Louis Cardinals signed C Aaron Antonini. |
| Jun 12, 2019 | Signed | Adrian Mardueno | — | St. Louis Cardinals | St. Louis Cardinals signed RHP Adrian Mardueno. |
| Jun 12, 2019 | Signed | Tyler Peck | — | St. Louis Cardinals | St. Louis Cardinals signed RHP Tyler Peck. |
| Jun 12, 2019 | Signed | Grant Ford | — | Pittsburgh Pirates | Pittsburgh Pirates signed RHP Grant Ford. |
| Jun 12, 2019 | Signed | Kyle Wilkie | — | Pittsburgh Pirates | Pittsburgh Pirates signed C Kyle Wilkie. |
| Jun 12, 2019 | Signed | Chase Murray | — | Pittsburgh Pirates | Pittsburgh Pirates signed OF Chase Murray. |
| Jun 12, 2019 | Signed | Aaron Shackelford | — | Pittsburgh Pirates | Pittsburgh Pirates signed SS Aaron Shackelford. |
| Jun 12, 2019 | Signed | Garrett Leonard | — | Pittsburgh Pirates | Pittsburgh Pirates signed RHP Garrett Leonard. |
| Jun 12, 2019 | Signed | Eli Wilson | — | Pittsburgh Pirates | Pittsburgh Pirates signed C Eli Wilson. |
| Jun 12, 2019 | Signed | Cory Wood | — | Pittsburgh Pirates | Pittsburgh Pirates signed 2B Cory Wood. |
| Jun 12, 2019 | Signed | Trey McGough | — | Pittsburgh Pirates | Pittsburgh Pirates signed LHP Trey McGough. |
| Jun 12, 2019 | Signed | Chris Murphy | — | Boston Red Sox | Boston Red Sox signed LHP Chris Murphy. |
| Jun 12, 2019 | Signed | Ryan Zeferjahn | — | Boston Red Sox | Boston Red Sox signed RHP Ryan Zeferjahn. |
| Jun 12, 2019 | Signed | Jaxx Groshans | — | Boston Red Sox | Boston Red Sox signed C Jaxx Groshans. |
| Jun 12, 2019 | Signed | Cam Cannon | — | Boston Red Sox | Boston Red Sox signed SS Cameron Cannon. |
| Jun 12, 2019 | Signed | Joe Davis | — | Boston Red Sox | Boston Red Sox signed 1B Joe Davis. |
| Jun 12, 2019 | Signed | Alex Erro | — | Boston Red Sox | Boston Red Sox signed IF Alex Erro. |
| Jun 12, 2019 | Signed | Luke Bandy | — | Boston Red Sox | Boston Red Sox signed CF Luke Bandy. |
| Jun 12, 2019 | Signed | Wil Dalton | — | Boston Red Sox | Boston Red Sox signed OF Wil Dalton. |
| Jun 12, 2019 | Signed | Matt Mullenbach | — | New York Mets | New York Mets signed RHP Matt Mullenbach. |
| Jun 12, 2019 | Signed | Deacon Medders | — | San Diego Padres | San Diego Padres signed RHP Deacon Medders. |
| Jun 12, 2019 | Signed | Logan Driscoll | — | San Diego Padres | San Diego Padres signed C Logan Driscoll. |
| Jun 12, 2019 | Signed | Connor Lehmann | — | San Diego Padres | San Diego Padres signed RHP Connor Lehmann. |
| Jun 12, 2019 | Signed | Jason Blanchard | — | San Diego Padres | San Diego Padres signed LHP Jason Blanchard. |
| Jun 12, 2019 | Signed | Ethan Elliott | — | San Diego Padres | San Diego Padres signed LHP Ethan Elliott. |
| Jun 12, 2019 | Signed | Matthew Acosta | — | San Diego Padres | San Diego Padres signed OF Matthew Acosta. |
| Jun 12, 2019 | Signed | Jason Reynolds | — | San Diego Padres | San Diego Padres signed RHP Jason Reynolds. |
| Jun 12, 2019 | Signed | Nolan Dempsey | — | San Francisco Giants | San Francisco Giants signed IF Nolan Dempsey. |
| Jun 12, 2019 | Signed | Garrett Frechette | — | San Francisco Giants | San Francisco Giants signed 1B Garrett Frechette. |
| Jun 12, 2019 | Signed | Najee Gaskins | — | San Francisco Giants | San Francisco Giants signed CF Najee Gaskins. |
| Jun 12, 2019 | Signed as free agent | Sam Williams | — | San Diego Padres | San Diego Padres signed free agent LHP Sam Williams to a minor league contract. |
| Jun 12, 2019 | Signed as free agent | Elias Fabian | — | Chicago Cubs | Chicago Cubs signed free agent OF Elias Fabian to a minor league contract. |
| Jun 12, 2019 | Signed | Shea Langeliers | — | Atlanta Braves | Atlanta Braves signed C Shea Langeliers. |
| Jun 12, 2019 | Signed | Ricky DeVito | — | Atlanta Braves | Atlanta Braves signed RHP Ricky DeVito. |
| Jun 12, 2019 | Signed | Matt Walker | — | Detroit Tigers | Detroit Tigers signed LHP Matt Walker. |
| Jun 12, 2019 | Signed | Seth Johnson | — | Tampa Bay Rays | Tampa Bay Rays signed RHP Seth Johnson. |
| Jun 12, 2019 | Signed | Easton Lucas | — | Miami Marlins | Miami Marlins signed LHP Easton Lucas. |
| Jun 12, 2019 | Signed | Codie Paiva | — | Miami Marlins | Miami Marlins signed RHP Codie Paiva. |
| Jun 12, 2019 | Signed as free agent | Tyler Burch | — | Philadelphia Phillies | Philadelphia Phillies signed free agent RHP Tyler Burch to a minor league contract. |
| Jun 12, 2019 | Signed as free agent | Connor Hinchliffe | — | Philadelphia Phillies | Philadelphia Phillies signed free agent RHP Connor Hinchliffe to a minor league contract. |
| Jun 12, 2019 | Signed as free agent | Brian Marconi | — | Philadelphia Phillies | Philadelphia Phillies signed free agent LHP Brian Marconi to a minor league contract. |
| Jun 12, 2019 | Signed as free agent | Riley Wilson | — | Philadelphia Phillies | Philadelphia Phillies signed free agent LHP Riley Wilson to a minor league contract. |
| Jun 12, 2019 | Signed | Herbert Iser | — | Philadelphia Phillies | Philadelphia Phillies signed C Herbert Iser. |
| Jun 12, 2019 | Signed | Keaton Greenwalt | — | Philadelphia Phillies | Philadelphia Phillies signed CF Keaton Greenwalt. |
| Jun 12, 2019 | Signed | Dallas Dyar | — | Philadelphia Phillies | Philadelphia Phillies signed RHP Hilton Dyar. |
| Jun 12, 2019 | Signed as free agent | Darlwin Sandobal | — | Texas Rangers | Texas Rangers signed free agent RHP Darlwin Sandobal to a minor league contract. |
| Jun 12, 2019 | Signed | Christian Johnson | — | Tampa Bay Rays | Tampa Bay Rays signed OF Christian Johnson. |
| Jun 12, 2019 | Signed as free agent | Joldanny Genao | — | Baltimore Orioles | Baltimore Orioles signed free agent RHP Joldanny Genao to a minor league contract. |
| Jun 12, 2019 | Signed as free agent | Manuel Duncan | — | Baltimore Orioles | Baltimore Orioles signed free agent RHP Manuel Duncan to a minor league contract. |
| Jun 12, 2019 | Signed as free agent | Tony Rosario | — | Toronto Blue Jays | Toronto Blue Jays signed free agent RHP Tony Rosario to a minor league contract. |
| Jun 11, 2019 | Signed | Evan Kravetz | — | Cincinnati Reds | Cincinnati Reds signed LHP Evan Kravetz. |
| Jun 11, 2019 | Signed | Jake Stevenson | — | Cincinnati Reds | Cincinnati Reds signed RHP Jake Stevenson. |
| Jun 11, 2019 | Signed | Jason Parker | — | Cincinnati Reds | Cincinnati Reds signed RHP Jason Parker. |
| Jun 11, 2019 | Signed | Yassel Pino | — | Cincinnati Reds | Cincinnati Reds signed 3B Yassel Pino. |
| Jun 11, 2019 | Signed | Tanner Cooper | — | Cincinnati Reds | Cincinnati Reds signed RHP Tanner Cooper. |
| Jun 11, 2019 | Signed | Ryan Jensen | — | Chicago Cubs | Chicago Cubs signed RHP Ryan Jensen. |
| Jun 11, 2019 | Signed | Greg Jones | — | Tampa Bay Rays | Tampa Bay Rays signed SS Greg Jones. |
| Jun 11, 2019 | Signed | Zack Thompson | — | St. Louis Cardinals | St. Louis Cardinals signed LHP Zack Thompson. |
| Jun 11, 2019 | Signed as free agent | Nick Duron | — | Seattle Mariners | Seattle Mariners signed free agent RHP Nick Duron to a minor league contract. |
| Jun 11, 2019 | Signed | Keoni Cavaco | — | Minnesota Twins | Minnesota Twins signed SS Keoni Cavaco. |
| Jun 11, 2019 | Signed | Nick Lodolo | — | Cincinnati Reds | Cincinnati Reds signed LHP Nick Lodolo. |
| Jun 11, 2019 | Signed | Matt Lloyd | — | Cincinnati Reds | Cincinnati Reds signed OF Matt Lloyd. |
| Jun 11, 2019 | Signed | Quinten Sefcik | — | Cincinnati Reds | Cincinnati Reds signed RHP Quinten Sefcik. |
| Jun 11, 2019 | Signed | Quincy McAfee | — | Cincinnati Reds | Cincinnati Reds signed SS Quincy McAfee. |
| Jun 11, 2019 | Signed | Matt Gill | — | Cincinnati Reds | Cincinnati Reds signed RHP Matt Gill. |
| Jun 11, 2019 | Signed | Justin Gomez | — | Cincinnati Reds | Cincinnati Reds signed C Justin Gomez. |
| Jun 11, 2019 | Signed | Dan Serreino | — | Cincinnati Reds | Cincinnati Reds signed RHP Danny Serreino. |
| Jun 11, 2019 | Signed | Matt Gorski | — | Pittsburgh Pirates | Pittsburgh Pirates signed OF Matt Gorski. |
| Jun 11, 2019 | Signed | Jared Triolo | — | Pittsburgh Pirates | Pittsburgh Pirates signed IF Jared Triolo. |
| Jun 11, 2019 | Signed | Austin Roberts | — | Pittsburgh Pirates | Pittsburgh Pirates signed RHP Austin Roberts. |
| Jun 11, 2019 | Signed | Matt Fraizer | — | Pittsburgh Pirates | Pittsburgh Pirates signed OF Matt Fraizer. |
| Jun 11, 2019 | Signed | Blake Sabol | — | Pittsburgh Pirates | Pittsburgh Pirates signed OF Blake Sabol. |
| Jun 11, 2019 | Signed | Cameron Junker | — | Pittsburgh Pirates | Pittsburgh Pirates signed RHP Cameron Junker. |
| Jun 11, 2019 | Signed as free agent | Sal Gozzo | — | Philadelphia Phillies | Philadelphia Phillies signed free agent SS Sal Gozzo to a minor league contract. |
| Jun 11, 2019 | Signed | Kody Hoese | — | Los Angeles Dodgers | Los Angeles Dodgers signed 3B Kody Hoese. |
| Jun 11, 2019 | Signed | Ryan Pepiot | — | Los Angeles Dodgers | Los Angeles Dodgers signed RHP Ryan Pepiot. |
| Jun 11, 2019 | Signed | Nick Robertson | — | Los Angeles Dodgers | Los Angeles Dodgers signed RHP Nick Robertson. |
| Jun 11, 2019 | Signed | Ryan Ward | — | Los Angeles Dodgers | Los Angeles Dodgers signed OF Ryan Ward. |
| Jun 11, 2019 | Signed | Alec Gamboa | — | Los Angeles Dodgers | Los Angeles Dodgers signed LHP Alec Gamboa. |
| Jun 11, 2019 | Signed | Zac Ching | — | Los Angeles Dodgers | Los Angeles Dodgers signed SS Zac Ching. |
| Jun 11, 2019 | Signed | Logan Boyer | — | Los Angeles Dodgers | Los Angeles Dodgers signed RHP Logan Boyer. |
| Jun 11, 2019 | Signed | Mitchell Tyranski | — | Los Angeles Dodgers | Los Angeles Dodgers signed LHP Mitchell Tyranski. |
| Jun 11, 2019 | Signed | Jake Cantleberry | — | Los Angeles Dodgers | Los Angeles Dodgers signed LHP Jacob Cantleberry. |
| Jun 11, 2019 | Signed | Sean Mellen | — | Los Angeles Dodgers | Los Angeles Dodgers signed LHP Sean Mellen. |
| Jun 11, 2019 | Signed | Joe Vranesh | — | Los Angeles Dodgers | Los Angeles Dodgers signed OF Joe Vranesh. |
| Jun 11, 2019 | Signed | Jeff Belge | — | Los Angeles Dodgers | Los Angeles Dodgers signed LHP Jeff Belge. |
| Jun 11, 2019 | Signed | Jimmy Titus | — | Los Angeles Dodgers | Los Angeles Dodgers signed SS Jimmy Titus. |
| Jun 11, 2019 | Signed | Cyrillo Watson | — | Los Angeles Dodgers | Los Angeles Dodgers signed RHP Cyrillo Watson. |
| Jun 11, 2019 | Signed | Danny Sinatro | — | Los Angeles Dodgers | Los Angeles Dodgers signed CF Danny Sinatro. |
| Jun 11, 2019 | Signed | Julio Carrion | — | Los Angeles Dodgers | Los Angeles Dodgers signed 3B Julio Carrion. |
| Jun 11, 2019 | Signed | Justin Washington | — | Los Angeles Dodgers | Los Angeles Dodgers signed CF Justin Washington. |
| Jun 11, 2019 | Signed | Tyler Ryan | — | Los Angeles Dodgers | Los Angeles Dodgers signed C Tyler Ryan. |
| Jun 11, 2019 | Signed | Cam Eden | — | Toronto Blue Jays | Toronto Blue Jays signed SS Cameron Eden. |
| Jun 11, 2019 | Signed | Tanner Morris | — | Toronto Blue Jays | Toronto Blue Jays signed SS Tanner Morris. |
| Jun 11, 2019 | Signed | Trevor Schwecke | — | Toronto Blue Jays | Toronto Blue Jays signed SS Trevor Schwecke. |
| Jun 11, 2019 | Signed | Will Robertson | — | Toronto Blue Jays | Toronto Blue Jays signed RF Will Robertson. |
| Jun 11, 2019 | Signed as free agent | Jarvis Martinez | — | Kansas City Royals | Kansas City Royals signed free agent OF Jarvis Martinez to a minor league contract. |
| Jun 11, 2019 | Signed as free agent | Andricson Salvador | — | Chicago Cubs | Chicago Cubs signed free agent LHP Salvador Andricson to a minor league contract. |
| Jun 11, 2019 | Signed as free agent | Raykel Guillermes | — | Arizona Diamondbacks | Arizona Diamondbacks signed free agent 3B Raykel Guillerme to a minor league contract. |
| Jun 11, 2019 | Signed | Anthony Mulrine | — | Los Angeles Angels | Los Angeles Angels signed C Anthony Mulrine. |
| Jun 11, 2019 | Signed | Morgan McCullough | — | Los Angeles Angels | Los Angeles Angels signed SS Morgan McCullough. |
| Jun 11, 2019 | Signed | Will Wilson | — | Los Angeles Angels | Los Angeles Angels signed SS Will Wilson. |
| Jun 11, 2019 | Signed | Brandon White | — | Los Angeles Angels | Los Angeles Angels signed CF Brandon White. |
| Jun 11, 2019 | Signed | Nic Ready | — | Miami Marlins | Miami Marlins signed 3B Nic Ready. |
| Jun 11, 2019 | Signed | Joey Ortiz | — | Baltimore Orioles | Baltimore Orioles signed SS Joseph Ortiz. |
| Jun 11, 2019 | Signed | Toby Welk | — | Baltimore Orioles | Baltimore Orioles signed 3B Toby Welk. |
| Jun 11, 2019 | Signed | Johnny Rizer | — | Baltimore Orioles | Baltimore Orioles signed OF Johnny Rizer. |
| Jun 11, 2019 | Signed as free agent | Karsen Lindell | — | Milwaukee Brewers | Milwaukee Brewers signed free agent RHP Karsen Lindell to a minor league contract. |
| Jun 11, 2019 | Signed as free agent | Jackson Sigman | — | Milwaukee Brewers | Milwaukee Brewers signed free agent RHP Jackson Sigman to a minor league contract. |
| Jun 11, 2019 | Signed | Nick Kahle | — | Milwaukee Brewers | Milwaukee Brewers signed C Nick Kahle. |
| Jun 11, 2019 | Signed | Mike Wilson | — | Milwaukee Brewers | Milwaukee Brewers signed CF Michael Wilson. |
| Jun 11, 2019 | Signed | Evan Lumbert | — | San Francisco Giants | San Francisco Giants signed RHP Evan Lumbert. |
| Jun 11, 2019 | Signed | Chris Wright | — | San Francisco Giants | San Francisco Giants signed LHP Chris Wright. |
| Jun 11, 2019 | Signed | Harrison Freed | — | San Francisco Giants | San Francisco Giants signed RF Harrison Freed. |
| Jun 11, 2019 | Signed | Grant McCray | — | San Francisco Giants | San Francisco Giants signed CF Grant McCray. |
| Jun 11, 2019 | Signed | Nick Avila | — | San Francisco Giants | San Francisco Giants signed RHP Nick Avila. |
| Jun 11, 2019 | Signed | Nick Morreale | — | San Francisco Giants | San Francisco Giants signed RHP Nick Morreale. |
| Jun 11, 2019 | Signed | Kanoa Pagan | — | San Francisco Giants | San Francisco Giants signed RHP Kanoa Pagan. |
| Jun 11, 2019 | Signed | Tyler Wyatt | — | San Francisco Giants | San Francisco Giants signed 3B Tyler Wyatt. |
| Jun 11, 2019 | Signed | Jordan Cannon | — | Baltimore Orioles | Baltimore Orioles signed C Jordan Cannon. |
| Jun 11, 2019 | Signed | Scott Politz | — | St. Louis Cardinals | St. Louis Cardinals signed RHP Scott Politz. |
| Jun 11, 2019 | Signed | Jeremy Randolph | — | St. Louis Cardinals | St. Louis Cardinals signed RHP Jeremy Randolph. |
| Jun 11, 2019 | Signed | Brylie Ware | — | St. Louis Cardinals | St. Louis Cardinals signed 3B Brylie Ware. |
| Jun 11, 2019 | Signed | Jeff Houghtby | — | San Francisco Giants | San Francisco Giants signed 2B Jeff Houghtby. |
| Jun 11, 2019 | Signed | Simon Whiteman | — | San Francisco Giants | San Francisco Giants signed SS Simon Whiteman. |
| Jun 11, 2019 | Signed | Matt Malkin | — | San Francisco Giants | San Francisco Giants signed C Matt Malkin. |
| Jun 11, 2019 | Signed | Braden Shewmake | — | Atlanta Braves | Atlanta Braves signed SS Braden Shewmake. |
| Jun 11, 2019 | Signed | Chad Bryant | — | Atlanta Braves | Atlanta Braves signed RHP Chad Bryant. |
| Jun 11, 2019 | Signed | Jeff Lindgren | — | Miami Marlins | Miami Marlins signed RHP Jeff Lindgren. |
| Jun 11, 2019 | Signed | Andrew Blake | — | Los Angeles Angels | Los Angeles Angels signed RHP Andrew Blake. |
| Jun 11, 2019 | Signed | Michael Horrell | — | Houston Astros | Houston Astros signed RHP Michael Horrell. |
| Jun 11, 2019 | Signed | Nate Hadley | — | Minnesota Twins | Minnesota Twins signed RHP Nate Hadley. |
| Jun 11, 2019 | Signed | Jack Strunc | — | Miami Marlins | Miami Marlins signed SS Jack Strunc. |
| Jun 11, 2019 | Signed | Evan McKendry | — | Tampa Bay Rays | Tampa Bay Rays signed RHP Evan McKendry. |
| Jun 11, 2019 | Signed | Lorenzo Hampton | — | Miami Marlins | Miami Marlins signed OF Lorenzo Hampton. |
| Jun 11, 2019 | Signed | Josh Simpson | — | Miami Marlins | Miami Marlins signed LHP Josh Simpson. |
| Jun 11, 2019 | Signed | Anthony Maldonado | — | Miami Marlins | Miami Marlins signed RHP Anthony Maldonado. |
| Jun 11, 2019 | Signed | Austin Crowson | — | Philadelphia Phillies | Philadelphia Phillies signed LHP Austin Crowson. |
| Jun 11, 2019 | Signed | Jamari Baylor | — | Philadelphia Phillies | Philadelphia Phillies signed SS Jamari Baylor. |
| Jun 11, 2019 | Signed | Chris Cornelius | — | Philadelphia Phillies | Philadelphia Phillies signed SS Chris Cornelius. |
| Jun 11, 2019 | Signed | Kyle Martin | — | Baltimore Orioles | Baltimore Orioles signed RHP Kyle Martin. |
| Jun 11, 2019 | Signed | Jamie Sara | — | Philadelphia Phillies | Philadelphia Phillies signed RHP Jamie Sara. |
| Jun 11, 2019 | Signed | Adam Leverett | — | Philadelphia Phillies | Philadelphia Phillies signed RHP Adam Leverett. |
| Jun 11, 2019 | Signed | Brendan Bell | — | Philadelphia Phillies | Philadelphia Phillies signed RHP Brendan Bell. |
| Jun 11, 2019 | Signed | Hunter Milam | — | Philadelphia Phillies | Philadelphia Phillies signed LHP Hunter Milam. |
| Jun 11, 2019 | Signed | Gunner Mayer | — | Philadelphia Phillies | Philadelphia Phillies signed RHP Gunner Mayer. |
| Jun 11, 2019 | Signed | Josh Hendrickson | — | Philadelphia Phillies | Philadelphia Phillies signed LHP Josh Hendrickson. |
| Jun 11, 2019 | Signed | Brett Schulze | — | Philadelphia Phillies | Philadelphia Phillies signed RHP Brett Schulze. |
| Jun 11, 2019 | Signed as free agent | Yosver Zulueta | — | Toronto Blue Jays | Toronto Blue Jays signed free agent RHP Yosver Zulueta to a minor league contract. |
| Jun 11, 2019 | Signed as free agent | Michael Francisco | — | Washington Nationals | Washington Nationals signed free agent RHP Michael Francisco to a minor league contract. |
| Jun 11, 2019 | Signed as free agent | Misael Lopez | — | Cincinnati Reds | Cincinnati Reds signed free agent LHP Misael Lopez to a minor league contract. |
| Jun 11, 2019 | Signed | Kyren Paris | — | Los Angeles Angels | Los Angeles Angels signed SS Kyren Paris. |
| Jun 10, 2019 | Signed | Ivan Johnson | — | Cincinnati Reds | Cincinnati Reds signed 2B Ivan Johnson. |
| Jun 10, 2019 | Signed | Graham Ashcraft | — | Cincinnati Reds | Cincinnati Reds signed RHP Graham Ashcraft. |
| Jun 10, 2019 | Signed | Quin Cotton | — | Cincinnati Reds | Cincinnati Reds signed OF Quin Cotton. |
| Jun 10, 2019 | Signed | Ashton Creal | — | Cincinnati Reds | Cincinnati Reds signed OF Ashton Creal. |
| Jun 10, 2019 | Signed | JC Keys | — | Cincinnati Reds | Cincinnati Reds signed RHP JC Keys. |
| Jun 10, 2019 | Signed | AJ Bumpass | — | Cincinnati Reds | Cincinnati Reds signed RF AJ Bumpass. |
| Jun 10, 2019 | Trade | Tyler Jay | Minnesota Twins | Cincinnati Reds | Minnesota Twins traded LHP Tyler Jay to Cincinnati Reds for cash. |
| Jun 10, 2019 | Released | Nicky Delmonico | — | Chicago White Sox | Chicago White Sox released LF Nicky Delmonico. |
| Jun 10, 2019 | Trade | Alex Dickerson | San Diego Padres | San Francisco Giants | San Diego Padres traded LF Alex Dickerson to San Francisco Giants for RHP Franklin Van Gurp. |
| Jun 10, 2019 | Signed | Shane Selman | — | Athletics | Oakland Athletics signed OF Shane Selman. |
| Jun 10, 2019 | Signed | Jack Cushing | — | Athletics | Oakland Athletics signed RHP Jack Cushing. |
| Jun 10, 2019 | Signed | Marcus Smith | — | Athletics | Oakland Athletics signed CF Marcus Smith. |
| Jun 10, 2019 | Signed | Kyle McCann | — | Athletics | Oakland Athletics signed C Kyle McCann. |
| Jun 10, 2019 | Signed | Jalen Greer | — | Athletics | Oakland Athletics signed SS Jalen Greer. |
| Jun 10, 2019 | Signed | Patrick McColl | — | Athletics | Oakland Athletics signed 1B Patrick McColl. |
| Jun 10, 2019 | Signed | Dustin Harris | — | Athletics | Oakland Athletics signed 3B Dustin Harris. |
| Jun 10, 2019 | Signed | Sahid Valenzuela | — | Athletics | Oakland Athletics signed SS Sahid Valenzuela. |
| Jun 10, 2019 | Signed | Peyton Miller | — | Athletics | Oakland Athletics signed RHP Peyton Miller. |
| Jun 10, 2019 | Signed | Josh Watson | — | Athletics | Oakland Athletics signed OF Josh Watson. |
| Jun 10, 2019 | Signed | Vince Coletti | — | Athletics | Oakland Athletics signed RHP Vince Coletti. |
| Jun 10, 2019 | Signed | Jared McDonald | — | Athletics | Oakland Athletics signed C Jared McDonald. |
| Jun 10, 2019 | Signed | Austin Wahl | — | Athletics | Oakland Athletics signed RHP Austin Wahl. |
| Jun 10, 2019 | Signed | Trayson Kubo | — | Athletics | Oakland Athletics signed RHP Trayson Kubo. |
| Jun 10, 2019 | Signed | Elvis Peralta | — | Athletics | Oakland Athletics signed SS Elvis Peralta. |
| Jun 10, 2019 | Signed | Sam Romero | — | Athletics | Oakland Athletics signed RHP Sam Romero. |
| Jun 10, 2019 | Signed | Gavin Jones | — | Athletics | Oakland Athletics signed 3B Gavin Jones. |
| Jun 10, 2019 | Signed | Michael Woodworth | — | Athletics | Oakland Athletics signed 2B Michael Woodworth. |
| Jun 10, 2019 | Signed | Edward Baram | — | Athletics | Oakland Athletics signed RHP Edward Baram. |
| Jun 10, 2019 | Signed | Matthew Koehler | — | Athletics | Oakland Athletics signed CF Matthew Koehler. |
| Jun 10, 2019 | Signed | Marty Bechina | — | Athletics | Oakland Athletics signed 2B Marty Bechina. |
| Jun 10, 2019 | Signed | Charles Hall | — | Athletics | Oakland Athletics signed RHP Charles Hall. |
| Jun 10, 2019 | Signed | Kumar Nambiar | — | Athletics | Oakland Athletics signed LHP Kumar Nambiar. |
| Jun 10, 2019 | Signed | Zach Rafuse | — | Athletics | Oakland Athletics signed RHP Zach Rafuse. |
| Jun 10, 2019 | Signed | Jake Walkinshaw | — | Athletics | Oakland Athletics signed RHP Jake Walkinshaw. |
| Jun 10, 2019 | Signed | Chase Wheatcroft | — | Athletics | Oakland Athletics signed RHP Chase Wheatcroft. |
| Jun 10, 2019 | Signed | David Leal | — | Athletics | Oakland Athletics signed LHP David Leal. |
| Jun 10, 2019 | Signed | Quinn Priester | — | Pittsburgh Pirates | Pittsburgh Pirates signed RHP Quinn Priester. |
| Jun 10, 2019 | Signed | Tim Elliott | — | Seattle Mariners | Seattle Mariners signed RHP Tim Elliott. |
| Jun 10, 2019 | Signed | Austin Shenton | — | Seattle Mariners | Seattle Mariners signed 3B Austin Shenton. |
| Jun 10, 2019 | Signed | Kyle Hill | — | Seattle Mariners | Seattle Mariners signed RHP Kyle Hill. |
| Jun 10, 2019 | Signed | Carter Bins | — | Seattle Mariners | Seattle Mariners signed C Carter Bins. |
| Jun 10, 2019 | Signed | Ty Adcock | — | Seattle Mariners | Seattle Mariners signed RHP Ty Adcock. |
| Jun 10, 2019 | Signed | Antoine Mistico | — | Seattle Mariners | Seattle Mariners signed CF Antoine Mistico. |
| Jun 10, 2019 | Signed | Reid Morgan | — | Seattle Mariners | Seattle Mariners signed RHP Reid Morgan. |
| Jun 10, 2019 | Signed | Patrick Frick | — | Seattle Mariners | Seattle Mariners signed SS Patrick Frick. |
| Jun 10, 2019 | Signed | Logan Rinehart | — | Seattle Mariners | Seattle Mariners signed RHP Logan Rinehart. |
| Jun 10, 2019 | Signed | Tyler Driver | — | Seattle Mariners | Seattle Mariners signed RHP Tyler Driver. |
| Jun 10, 2019 | Signed | Cade Marlowe | — | Seattle Mariners | Seattle Mariners signed LF Cade Marlowe. |
| Jun 10, 2019 | Signed | Kipp Rollings | — | Seattle Mariners | Seattle Mariners signed RHP Kipp Rollings. |
| Jun 10, 2019 | Signed | Travis Kuhn | — | Seattle Mariners | Seattle Mariners signed RHP Travis Kuhn. |
| Jun 10, 2019 | Signed | Reeves Martin | — | Seattle Mariners | Seattle Mariners signed RHP Reeves Martin. |
| Jun 10, 2019 | Signed | Trent Tingelstad | — | Seattle Mariners | Seattle Mariners signed RF Trent Tingelstad. |
| Jun 10, 2019 | Signed | Garrett Westberg | — | Seattle Mariners | Seattle Mariners signed RHP Garrett Westberg. |
| Jun 10, 2019 | Signed | Brock Minich | — | Seattle Mariners | Seattle Mariners signed RHP Brock Minich. |
| Jun 10, 2019 | Signed | Anthony Lepre | — | Seattle Mariners | Seattle Mariners signed C Anthony Lepre. |
| Jun 10, 2019 | Signed | Cody Grosse | — | Seattle Mariners | Seattle Mariners signed SS Cody Grosse. |
| Jun 10, 2019 | Signed | Jarod Bayless | — | Seattle Mariners | Seattle Mariners signed RHP Jarod Bayless. |
| Jun 10, 2019 | Signed | Tristen Carranza | — | Arizona Diamondbacks | Arizona Diamondbacks signed OF Tristen Carranza. |
| Jun 10, 2019 | Signed | Carson Maxwell | — | Arizona Diamondbacks | Arizona Diamondbacks signed 3B Carson Maxwell. |
| Jun 10, 2019 | Signed | Chris Williams | — | Arizona Diamondbacks | Arizona Diamondbacks signed RHP Chris Williams. |
| Jun 10, 2019 | Signed as free agent | Patrick McGuff | — | Arizona Diamondbacks | Arizona Diamondbacks signed free agent RHP Patrick McGuff to a minor league contract. |
| Jun 10, 2019 | Signed | Tyler Poulin | — | Arizona Diamondbacks | Arizona Diamondbacks signed RHP Tyler Poulin. |
| Jun 10, 2019 | Signed | Josh McMinn | — | Arizona Diamondbacks | Arizona Diamondbacks signed RHP Josh McMinn. |
| Jun 10, 2019 | Signed | Nick Marchese | — | Arizona Diamondbacks | Arizona Diamondbacks signed RHP Nick Marchese. |
| Jun 10, 2019 | Signed | Dustin Lacaze | — | Arizona Diamondbacks | Arizona Diamondbacks signed RHP Dustin Lacaze. |
| Jun 10, 2019 | Signed | Denson Hull | — | Arizona Diamondbacks | Arizona Diamondbacks signed LHP Denson Hull. |
| Jun 10, 2019 | Signed | Garrett Gayle | — | Houston Astros | Houston Astros signed RHP Garrett Gayle. |
| Jun 10, 2019 | Signed | Kevin Holcomb | — | Houston Astros | Houston Astros signed RHP Kevin Holcomb. |
| Jun 10, 2019 | Signed | Hunter Brown | — | Houston Astros | Houston Astros signed RHP Hunter Brown. |
| Jun 10, 2019 | Signed as free agent | Fernando Calderon | — | Detroit Tigers | Detroit Tigers signed free agent RHP Fernando Calderon to a minor league contract. |
| Jun 10, 2019 | Signed | Ryan Smith | — | Los Angeles Angels | Los Angeles Angels signed LHP Ryan Smith. |
| Jun 10, 2019 | Signed as free agent | Jose Colina | — | Cleveland Guardians | Cleveland Indians signed free agent C Jose Colina to a minor league contract. |
| Jun 10, 2019 | Signed as free agent | Chase Barbary | — | Los Angeles Dodgers | Los Angeles Dodgers signed free agent C Chase Barbary to a minor league contract. |
| Jun 10, 2019 | Signed | Colin Peluse | — | Athletics | Oakland Athletics signed RHP Colin Peluse. |
| Jun 10, 2019 | Signed | Nick Quintana | — | Detroit Tigers | Detroit Tigers signed SS Nick Quintana. |
| Jun 10, 2019 | Signed | Andre Lipcius | — | Detroit Tigers | Detroit Tigers signed 3B Andre Lipcius. |
| Jun 10, 2019 | Signed | Cade Bunnell | — | Atlanta Braves | Atlanta Braves signed 2B Cade Bunnell. |
| Jun 10, 2019 | Signed | Javier Valdes | — | Atlanta Braves | Atlanta Braves signed C Javier Valdes. |
| Jun 10, 2019 | Signed | Joey Steele | — | Miami Marlins | Miami Marlins signed RHP Joey Steele. |
| Jun 10, 2019 | Signed | Gabe Benavides | — | Los Angeles Dodgers | Los Angeles Dodgers signed LHP Gabe Benavides. |
| Jun 10, 2019 | Signed | Jake Holton | — | Detroit Tigers | Detroit Tigers signed 1B Jake Holton. |
| Jun 10, 2019 | Signed | Corey Joyce | — | Detroit Tigers | Detroit Tigers signed SS Corey Joyce. |
| Jun 10, 2019 | Signed | Kona Quiggle | — | Detroit Tigers | Detroit Tigers signed LF Kona Quiggle. |
| Jun 10, 2019 | Signed | Troy Johnston | — | Miami Marlins | Miami Marlins signed OF Troy Johnston. |
| Jun 10, 2019 | Signed | Zach Huffins | — | Tampa Bay Rays | Tampa Bay Rays signed OF Zach Huffins. |
| Jun 10, 2019 | Signed | Zachary Owings | — | Miami Marlins | Miami Marlins signed 1B Zachary Owings. |
| Jun 10, 2019 | Signed | Casey Combs | — | Miami Marlins | Miami Marlins signed C Casey Combs. |
| Jun 10, 2019 | Signed | Andrew Nardi | — | Miami Marlins | Miami Marlins signed LHP Andrew Nardi. |
| Jun 10, 2019 | Signed as free agent | Issac Solano | — | Baltimore Orioles | Baltimore Orioles signed free agent P Issac Solano to a minor league contract. |
| Jun 10, 2019 | Signed as free agent | Anthony Morillo | — | Baltimore Orioles | Baltimore Orioles signed free agent RHP Anthony Morillo to a minor league contract. |
| Jun 9, 2019 | Signed | Nate Jones | — | New York Mets | New York Mets signed RHP Nathan Jones. |
| Jun 9, 2019 | Signed | Zach Ashford | — | New York Mets | New York Mets signed CF Zach Ashford. |
| Jun 9, 2019 | Signed | Nic Gaddis | — | New York Mets | New York Mets signed 3B Nic Gaddis. |
| Jun 9, 2019 | Signed | Matt O'Neill | — | New York Mets | New York Mets signed C Matt O'Neill. |
| Jun 9, 2019 | Signed | Branden Fryman | — | New York Mets | New York Mets signed SS Branden Fryman. |
| Jun 9, 2019 | Signed | Luke Ritter | — | New York Mets | New York Mets signed 2B Luke Ritter. |
| Jun 9, 2019 | Signed | Connor Wollersheim | — | New York Mets | New York Mets signed LHP Connor Wollersheim. |
| Jun 9, 2019 | Signed | Joe Genord | — | New York Mets | New York Mets signed 1B Joe Genord. |
| Jun 9, 2019 | Signed | Scott Ota | — | New York Mets | New York Mets signed RF Scott Ota. |
| Jun 9, 2019 | Signed | Mitch Ragan | — | New York Mets | New York Mets signed RHP Mitch Ragan. |
| Jun 9, 2019 | Signed | Dan Goggin | — | New York Mets | New York Mets signed RHP Dan Goggin. |
| Jun 9, 2019 | Signed | Jake Ortega | — | New York Mets | New York Mets signed C Jake Ortega. |
| Jun 9, 2019 | Signed | LT Struble | — | New York Mets | New York Mets signed CF LT Struble. |
| Jun 9, 2019 | Signed | Justin Lasko | — | New York Mets | New York Mets signed RHP Justin Lasko. |
| Jun 9, 2019 | Signed | Mitchell Senger | — | New York Mets | New York Mets signed LHP Mitchell Senger. |
| Jun 9, 2019 | Signed | Andrew Edwards | — | New York Mets | New York Mets signed LHP Andrew Edwards. |
| Jun 9, 2019 | Signed | Ryan Shinn | — | New York Mets | New York Mets signed OF Ryan Shinn. |
| Jun 9, 2019 | Signed | Nick Conti | — | New York Mets | New York Mets signed 2B Nick Conti. |
| Jun 9, 2019 | Signed | Nasim Nuñez | — | Miami Marlins | Miami Marlins signed SS Nasim Nunez. |
| Jun 9, 2019 | Signed | Peyton Burdick | — | Miami Marlins | Miami Marlins signed OF Peyton Burdick. |
| Jun 9, 2019 | Signed | Evan Edwards | — | Miami Marlins | Miami Marlins signed 1B Evan Edwards. |
| Jun 9, 2019 | Signed | M.D. Johnson | — | Miami Marlins | Miami Marlins signed RHP MD Johnson. |
| Jun 9, 2019 | Signed | Evan Brabrand | — | Miami Marlins | Miami Marlins signed RHP Evan Brabrand. |
| Jun 9, 2019 | Signed | J.D. Orr | — | Miami Marlins | Miami Marlins signed CF J.D. Orr. |
| Jun 9, 2019 | Signed | Javeon Cody | — | Miami Marlins | Miami Marlins signed CF Javeon Cody. |
| Jun 9, 2019 | Trade | Thomas Eshelman | Philadelphia Phillies | Baltimore Orioles | Philadelphia Phillies traded RHP Tom Eshelman to Baltimore Orioles. |
| Jun 9, 2019 | Signed | Nick Grande | — | Arizona Diamondbacks | Arizona Diamondbacks signed SS Nick Grande. |
| Jun 9, 2019 | Signed | Ricky Martinez | — | Arizona Diamondbacks | Arizona Diamondbacks signed SS Ricky Martinez. |
| Jun 9, 2019 | Signed as free agent | Cole Watts | — | Kansas City Royals | Kansas City Royals signed free agent LHP Cole Watts to a minor league contract. |
| Jun 9, 2019 | Signed | Anthony Veneziano | — | Kansas City Royals | Kansas City Royals signed LHP Anthony Veneziano. |
| Jun 9, 2019 | Signed | Clay Dungan | — | Kansas City Royals | Kansas City Royals signed SS Clay Dungan. |
| Jun 9, 2019 | Signed as free agent | Andy Fisher | — | Cincinnati Reds | Cincinnati Reds signed free agent LHP Andy Fisher to a minor league contract. |
| Jun 9, 2019 | Signed | Andy Samuelson | — | Atlanta Braves | Atlanta Braves signed LHP Andy Samuelson. |
| Jun 9, 2019 | Signed | Peyton Williams | — | Atlanta Braves | Atlanta Braves signed RHP Peyton Williams. |
| Jun 9, 2019 | Signed | Michael Dominguez | — | Toronto Blue Jays | Toronto Blue Jays signed RHP Michael Dominguez. |
| Jun 9, 2019 | Signed | Andrew McInvale | — | Toronto Blue Jays | Toronto Blue Jays signed RHP Andrew McInvale. |
| Jun 9, 2019 | Signed | Anders Tolhurst | — | Toronto Blue Jays | Toronto Blue Jays signed RHP Anders Tolhurst. |
| Jun 8, 2019 | Signed as free agent | Erik Kratz | — | New York Yankees | New York Yankees signed free agent C Erik Kratz to a minor league contract. |
| Jun 8, 2019 | Signed | Utah Jones | — | Seattle Mariners | Seattle Mariners signed SS Utah Jones. |
| Jun 8, 2019 | Signed as free agent | Ricardo Rodriguez | — | New York Mets | New York Mets signed free agent RHP Ricardo Rodriguez to a minor league contract. |
| Jun 8, 2019 | Signed as free agent | Luis Moreno | — | New York Mets | New York Mets signed free agent RHP Luis Moreno to a minor league contract. |
| Jun 8, 2019 | Signed as free agent | Alan Ramirez | — | New York Mets | New York Mets signed free agent LHP Alan Ramirez to a minor league contract. |
| Jun 8, 2019 | Signed | Alec Marsh | — | Kansas City Royals | Kansas City Royals signed RHP Alec Marsh. |
| Jun 8, 2019 | Signed | Greg Leban | — | Atlanta Braves | Atlanta Braves signed RHP Greg Leban. |
| Jun 8, 2019 | Signed | Davis Schwab | — | Atlanta Braves | Atlanta Braves signed LHP Davis Schwab. |
| Jun 8, 2019 | Signed | Darius Vines | — | Atlanta Braves | Atlanta Braves signed RHP Darius Vines. |
| Jun 8, 2019 | Signed | Oliver Dunn | — | New York Yankees | New York Yankees signed 2B Oliver Dunn. |
| Jun 8, 2019 | Signed | Ryan Anderson | — | New York Yankees | New York Yankees signed LHP Ryan Anderson. |
| Jun 8, 2019 | Signed | Edgar Barclay | — | New York Yankees | New York Yankees signed LHP Edgar Barclay. |
| Jun 8, 2019 | Signed as free agent | Alejandro Leon | — | New York Mets | New York Mets signed free agent C Alejandro Leon to a minor league contract. |
| Jun 7, 2019 | Signed as free agent | Craig Kimbrel | — | Chicago Cubs | Chicago Cubs signed free agent RHP Craig Kimbrel. |
| Jun 7, 2019 | Trade | Tim Federowicz | Cleveland Guardians | Texas Rangers | Cleveland Indians traded C Tim Federowicz to Texas Rangers for Player To Be Named Later. |
| Jun 7, 2019 | Signed as free agent | Vidal Nuño | — | Tampa Bay Rays | Tampa Bay Rays signed free agent LHP Vidal Nuno III to a minor league contract. |
| Jun 7, 2019 | Signed as free agent | Matt Carasiti | — | Seattle Mariners | Seattle Mariners signed free agent RHP Matt Carasiti to a minor league contract. |
| Jun 7, 2019 | Signed as free agent | Dallas Keuchel | — | Atlanta Braves | Atlanta Braves signed free agent LHP Dallas Keuchel. |
| Jun 7, 2019 | Signed as free agent | Kevin Lachance | — | Arizona Diamondbacks | Arizona Diamondbacks signed free agent 2B Kevin Lachance to a minor league contract. |
| Jun 7, 2019 | Signed | Michael Harris II | — | Atlanta Braves | Atlanta Braves signed OF Michael Harris. |
| Jun 7, 2019 | Signed | Ken Waldichuk | — | New York Yankees | New York Yankees signed LHP Ken Waldichuk. |
| Jun 7, 2019 | Signed | Chase Illig | — | New York Yankees | New York Yankees signed C Chase Illig. |
| Jun 7, 2019 | Signed | Kyle MacDonald | — | New York Yankees | New York Yankees signed 1B Kyle MacDonald. |
| Jun 7, 2019 | Signed | Kevin Milam | — | New York Yankees | New York Yankees signed RHP Kevin Milam. |
| Jun 7, 2019 | Signed | Nick Paciorek | — | New York Yankees | New York Yankees signed RHP Nick Paciorek. |
| Jun 7, 2019 | Signed | T.J. Sikkema | — | New York Yankees | New York Yankees signed LHP T.J. Sikkema. |
| Jun 6, 2019 | Signed as free agent | Taylor Lane | — | New York Mets | New York Mets signed free agent OF Taylor Lane to a minor league contract. |
| Jun 6, 2019 | Signed as free agent | Lucas Herbert | — | Arizona Diamondbacks | Arizona Diamondbacks signed free agent C Lucas Herbert to a minor league contract. |
| Jun 6, 2019 | Signed | Jake Sanford | — | New York Yankees | New York Yankees signed CF Jacob Sanford. |
| Jun 6, 2019 | Signed | Jake Farrell | — | New York Yankees | New York Yankees signed 1B Jake Farrell. |
| Jun 6, 2019 | Signed | Shaine McNeely | — | New York Yankees | New York Yankees signed RHP Shaine McNeely. |
| Jun 6, 2019 | Signed as free agent | Luis Gonzalez | — | Miami Marlins | Miami Marlins signed free agent LHP Luis Gonzalez to a minor league contract. |
| Jun 6, 2019 | Signed as free agent | Anyerbert Ache | — | Arizona Diamondbacks | Arizona Diamondbacks signed free agent RHP Anyerbert Ache to a minor league contract. |
| Jun 5, 2019 | Signed | Riley Greene | — | Detroit Tigers | Detroit Tigers signed OF Riley Greene. |
| Jun 5, 2019 | Released | Erik Kratz | — | Tampa Bay Rays | Tampa Bay Rays released C Erik Kratz. |
| Jun 5, 2019 | Signed | Zach Greene | — | New York Yankees | New York Yankees signed RHP Zach Greene. |
| Jun 4, 2019 | Signed as free agent | Fernando Rodney | — | Washington Nationals | Washington Nationals signed free agent RHP Fernando Rodney to a minor league contract. |
| Jun 4, 2019 | Trade | Tyler Heineman | Arizona Diamondbacks | Miami Marlins | Arizona Diamondbacks traded C Tyler Heineman to Miami Marlins. |
| Jun 4, 2019 | Released | Chris Owings | — | Kansas City Royals | Kansas City Royals released 2B Chris Owings. |
| Jun 4, 2019 | Released | Matt Ramsey | — | Los Angeles Angels | Los Angeles Angels released RHP Matt Ramsey. |
| Jun 4, 2019 | Signed as free agent | Brock Hartson | — | Cleveland Guardians | Cleveland Indians signed free agent RHP Brock Hartson to a minor league contract. |
| Jun 4, 2019 | Signed as free agent | Kyle Brnovich | — | Baltimore Orioles | Baltimore Orioles signed free agent RHP Kyle Brnovich to a minor league contract. |
| Jun 3, 2019 | Signed as free agent | Billy Fleming | — | Miami Marlins | Miami Marlins signed free agent 2B Billy Fleming to a minor league contract. |
| Jun 3, 2019 | Signed as free agent | Brad Markey | — | Cincinnati Reds | Cincinnati Reds signed free agent RHP Brad Markey to a minor league contract. |
| Jun 3, 2019 | Signed as free agent | Raphael Gladu | — | New York Mets | New York Mets signed free agent OF Raphael Gladu. |
| Jun 3, 2019 | Signed as free agent | Ricardo Volquez | — | Seattle Mariners | Seattle Mariners signed free agent RHP Ricardo Volquez to a minor league contract. |
| Jun 3, 2019 | Signed as free agent | Trever Morrison | — | Milwaukee Brewers | Milwaukee Brewers signed free agent SS Trever Morrison to a minor league contract. |
| Jun 2, 2019 | Trade | Jay Bruce | Seattle Mariners | Philadelphia Phillies | Seattle Mariners traded RF Jay Bruce to Philadelphia Phillies for 3B Jake Scheiner and cash. |
| Jun 2, 2019 | Trade | John Andreoli | Minnesota Twins | Seattle Mariners | Minnesota Twins traded OF John Andreoli to Seattle Mariners. |
| Jun 2, 2019 | Signed as free agent | Angel Reyes | — | Miami Marlins | Miami Marlins signed free agent OF Angel Reyes to a minor league contract. |
| Jun 1, 2019 | Signed as free agent | Kevin Lenik | — | Boston Red Sox | Boston Red Sox signed free agent RHP Kevin Lenik to a minor league contract. |
| Jun 1, 2019 | Signed as free agent | Eric Stout | — | Cincinnati Reds | Cincinnati Reds signed free agent LHP Eric Stout to a minor league contract. |
| Jun 1, 2019 | Released | Jeanmar Gómez | — | Texas Rangers | Texas Rangers released RHP Jeanmar Gomez. |
| Jun 1, 2019 | Signed as free agent | Jaycob Brugman | — | Seattle Mariners | Seattle Mariners signed free agent LF Jaycob Brugman to a minor league contract. |
| Jun 1, 2019 | Signed as free agent | Kelby Tomlinson | — | Seattle Mariners | Seattle Mariners signed free agent SS Kelby Tomlinson to a minor league contract. |
| Jun 1, 2019 | Signed as free agent | Carlos González | — | Chicago Cubs | Chicago Cubs signed free agent RF Carlos Gonzalez to a minor league contract. |
| Jun 1, 2019 | Signed as free agent | Robinson Ramos | — | Cleveland Guardians | Cleveland Indians signed free agent C Robinson Ramos to a minor league contract. |
| Jun 1, 2019 | Signed as free agent | Alexis Flesten | — | Detroit Tigers | Detroit Tigers signed free agent LHP Alexis Flesten to a minor league contract. |
| Jun 1, 2019 | Signed as free agent | Elias Batista | — | San Diego Padres | San Diego Padres signed free agent RHP Elias Batista to a minor league contract. |
| Jun 1, 2019 | Signed as free agent | Ysaac Pena | — | Los Angeles Angels | Los Angeles Angels signed free agent C Ysaac Pena to a minor league contract. |
| Jun 1, 2019 | Signed as free agent | Samuel De La Cruz | — | Baltimore Orioles | Baltimore Orioles signed free agent 1B Samuel De La Cruz to a minor league contract. |
| Jun 1, 2019 | Signed as free agent | Frank Schwindel | — | Detroit Tigers | Detroit Tigers signed free agent 1B Frank Schwindel to a minor league contract. |
| Jun 1, 2019 | Signed as free agent | Marcos Encarnacion | — | Chicago Cubs | Chicago Cubs signed free agent RHP Marcos Encarnacion to a minor league contract. |
| Jun 1, 2019 | Signed as free agent | Jorge Ramirez | — | Chicago Cubs | Chicago Cubs signed free agent LHP Jorge Ramirez to a minor league contract. |
| Jun 1, 2019 | Signed as free agent | Josh Almonte | — | Toronto Blue Jays | Toronto Blue Jays signed free agent RHP Josh Almonte to a minor league contract. |
| Jun 1, 2019 | Signed as free agent | Kobie Taylor | — | Miami Marlins | Miami Marlins signed free agent OF Kobie Taylor to a minor league contract. |
| Jun 1, 2019 | Signed as free agent | Julio Bonilla | — | Minnesota Twins | Minnesota Twins signed free agent RHP Juan Bonilla to a minor league contract. |
| May 31, 2019 | Signed as free agent | Petter Caty | — | Baltimore Orioles | Baltimore Orioles signed free agent RHP Petter Caty to a minor league contract. |
| May 31, 2019 | Signed as free agent | Yeudry Manzanillo | — | Baltimore Orioles | Baltimore Orioles signed free agent RHP Yeudry Manzanillo to a minor league contract. |
| May 30, 2019 | Signed as free agent | Adam Oller | — | San Francisco Giants | San Francisco Giants signed free agent RHP Adam Oller to a minor league contract. |
| May 30, 2019 | Signed as free agent | Oscar Corporan | — | Minnesota Twins | Minnesota Twins signed free agent RHP Oscar Corporan to a minor league contract. |
| May 30, 2019 | Signed as free agent | Jose Mieses | — | Boston Red Sox | Boston Red Sox signed free agent RHP Jose Mieses to a minor league contract. |
| May 30, 2019 | Signed as free agent | Christopher Marte | — | Baltimore Orioles | Baltimore Orioles signed free agent RHP Christopher Marte to a minor league contract. |
| May 29, 2019 | Signed as free agent | Jonny Venters | — | Washington Nationals | Washington Nationals signed free agent LHP Jonny Venters to a minor league contract. |
| May 29, 2019 | Signed as free agent | Anthony Bender | — | Milwaukee Brewers | Milwaukee Brewers signed free agent RHP Anthony Bender to a minor league contract. |
| May 29, 2019 | Signed as free agent | Louis Coleman | — | New York Mets | New York Mets signed free agent RHP Louis Coleman to a minor league contract. |
| May 28, 2019 | Signed as free agent | Carlos Torres | — | Detroit Tigers | Detroit Tigers signed free agent RHP Carlos Torres to a minor league contract. |
| May 28, 2019 | Released | Fernando Rodney | — | Athletics | Oakland Athletics released RHP Fernando Rodney. |
| May 28, 2019 | Signed as free agent | Edgar Gamargo | — | Chicago Cubs | Chicago Cubs signed free agent C Edgar Gamargo to a minor league contract. |
| May 28, 2019 | Signed as free agent | Sarlin Polanco | — | Arizona Diamondbacks | Arizona Diamondbacks signed free agent RHP Sarlin Polanco to a minor league contract. |
| May 28, 2019 | Signed as free agent | Joel Munoz | — | Baltimore Orioles | Baltimore Orioles signed free agent C Joel Munoz to a minor league contract. |
| May 28, 2019 | Signed as free agent | Manuel Veloz | — | Chicago White Sox | Chicago White Sox signed free agent RHP Manuel Veloz to a minor league contract. |
| May 28, 2019 | Signed as free agent | Derrick Robinson | — | Kansas City Royals | Kansas City Royals signed free agent OF Derrick Robinson to a minor league contract. |
| May 28, 2019 | Signed as free agent | Jose Gonzalez | — | Texas Rangers | Texas Rangers signed free agent RHP Jose Gonzalez to a minor league contract. |
| May 27, 2019 | Signed as free agent | Randall Delgado | — | New York Yankees | New York Yankees signed free agent RHP Randall Delgado to a minor league contract. |
| May 27, 2019 | Trade | Tristan Archer | Milwaukee Brewers | Cincinnati Reds | Milwaukee Brewers traded RHP Tristan Archer to Cincinnati Reds for cash. |
| May 27, 2019 | Signed as free agent | Arij Fransen | — | Cincinnati Reds | Cincinnati Reds signed free agent RHP Arij Fransen to a minor league contract. |
| May 27, 2019 | Signed as free agent | Welington Santana | — | Baltimore Orioles | Baltimore Orioles signed free agent RF Welington Santana to a minor league contract. |
| May 27, 2019 | Trade | Yefry Ramírez | Baltimore Orioles | Pittsburgh Pirates | Baltimore Orioles traded RHP Yefry Ramirez to Pittsburgh Pirates for Player To Be Named Later. |
| May 26, 2019 | Released | Carlos González | — | Cleveland Guardians | Cleveland Indians released OF Carlos Gonzalez. |
| May 25, 2019 | Signed as free agent | Jose Cuas | — | Arizona Diamondbacks | Arizona Diamondbacks signed free agent RHP Jose Cuas to a minor league contract. |
| May 24, 2019 | Signed as free agent | Ervin Santana | — | New York Mets | New York Mets signed free agent RHP Ervin Santana to a minor league contract. |
| May 24, 2019 | Signed as free agent | Bradin Hagens | — | Arizona Diamondbacks | Arizona Diamondbacks signed free agent RHP Bradin Hagens to a minor league contract. |
| May 24, 2019 | Signed as free agent | Matt Kemp | — | New York Mets | New York Mets signed free agent LF Matt Kemp to a minor league contract. |
| May 24, 2019 | Signed as free agent | Edgar Corcino | — | Boston Red Sox | Boston Red Sox signed free agent OF Edgar Corcino to a minor league contract. |
| May 24, 2019 | Signed as free agent | Clate Schmidt | — | Cincinnati Reds | Cincinnati Reds signed free agent RHP Clate Schmidt to a minor league contract. |
| May 24, 2019 | Signed as free agent | Erickson Ortega | — | New York Mets | New York Mets signed free agent RHP Erickson Ortega to a minor league contract. |
| May 24, 2019 | Signed as free agent | Gregori Montano | — | Chicago Cubs | Chicago Cubs signed free agent RHP Gregori Montano to a minor league contract. |
| May 24, 2019 | Signed as free agent | Denny Ramirez | — | Texas Rangers | Texas Rangers signed free agent RHP Denny Ramirez to a minor league contract. |
| May 24, 2019 | Signed as free agent | Joswel Soriano | — | Detroit Tigers | Detroit Tigers signed free agent SS Joswel Soriano to a minor league contract. |
| May 24, 2019 | Signed as free agent | Jose Viola | — | Texas Rangers | Texas Rangers signed free agent RHP Jose Viola to a minor league contract. |
| May 23, 2019 | Signed as free agent | Keith Weisenberg | — | San Francisco Giants | San Francisco Giants signed free agent RHP Keith Weisenberg to a minor league contract. |
| May 23, 2019 | Trade | Mike Ahmed | Los Angeles Dodgers | Seattle Mariners | Los Angeles Dodgers traded 3B Mike Ahmed to Seattle Mariners for cash. |
| May 23, 2019 | Signed as free agent | Enmanuel De La Cruz | — | Chicago Cubs | Chicago Cubs signed free agent RHP Enmanuel De La Cruz to a minor league contract. |
| May 23, 2019 | Signed as free agent | Marco Prieto | — | Chicago Cubs | Chicago Cubs signed free agent RHP Marco Prieto to a minor league contract. |
| May 22, 2019 | Trade | Keon Broxton | New York Mets | Baltimore Orioles | New York Mets traded CF Keon Broxton to Baltimore Orioles for Future Considerations. |
| May 22, 2019 | Signed as free agent | Buddy Boshers | — | Toronto Blue Jays | Toronto Blue Jays signed free agent LHP Buddy Boshers to a minor league contract. |
| May 22, 2019 | Signed as free agent | Axel Rosario | — | Pittsburgh Pirates | Pittsburgh Pirates signed free agent RHP Axel Rosario to a minor league contract. |
| May 22, 2019 | Signed as free agent | Luis Feliz | — | Tampa Bay Rays | Tampa Bay Rays signed free agent CF Luis Feliz to a minor league contract. |
| May 22, 2019 | Signed as free agent | Willy De Paula | — | Athletics | Oakland Athletics signed free agent RHP Willy De Paula to a minor league contract. |
| May 22, 2019 | Signed as free agent | Angel Galarraga | — | Tampa Bay Rays | Tampa Bay Rays signed free agent C Angel Galarraga to a minor league contract. |
| May 22, 2019 | Signed as free agent | Joel Jimenez | — | Chicago Cubs | Chicago Cubs signed free agent RHP Joel Jimenez to a minor league contract. |
| May 22, 2019 | Signed as free agent | Cristhian Nunez | — | Tampa Bay Rays | Tampa Bay Rays signed free agent RHP Cristhian Nunez to a minor league contract. |
| May 22, 2019 | Signed as free agent | Esmarly Tatis | — | Chicago Cubs | Chicago Cubs signed free agent SS Esmarly Tatis to a minor league contract. |
| May 21, 2019 | Signed as free agent | Anthony Bass | — | Seattle Mariners | Seattle Mariners signed free agent RHP Anthony Bass. |
| May 21, 2019 | Released | Addison Reed | — | Minnesota Twins | Minnesota Twins released RHP Addison Reed. |
| May 21, 2019 | Signed as free agent | Luis Vega | — | Houston Astros | Houston Astros signed free agent RHP Luis Vega to a minor league contract. |
| May 21, 2019 | Signed as free agent | Luis Valenzuela | — | Chicago Cubs | Chicago Cubs signed free agent RHP Luis Valenzuela to a minor league contract. |
| May 20, 2019 | Trade | Arodys Vizcaíno | Atlanta Braves | Seattle Mariners | Atlanta Braves traded LHP Jesse Biddle and RHP Arodys Vizcaino to Seattle Mariners for RHP Anthony Swarzak and cash. |
| May 20, 2019 | Released | Luke Gregerson | — | St. Louis Cardinals | St. Louis Cardinals released RHP Luke Gregerson. |
| May 20, 2019 | Trade | Matt Seelinger | Tampa Bay Rays | San Francisco Giants | Tampa Bay Rays traded RHP Matt Seelinger to San Francisco Giants. |
| May 20, 2019 | Signed as free agent | Yorkislandy Alvarez | — | Baltimore Orioles | Baltimore Orioles signed free agent SS Yorkislandy Alvarez to a minor league contract. |
| May 20, 2019 | Signed as free agent | Darlin Alcántara | — | Baltimore Orioles | Baltimore Orioles signed free agent RHP Darlin Alcantara to a minor league contract. |
| May 20, 2019 | Signed as free agent | Yovanny Cabrera | — | Chicago Cubs | Chicago Cubs signed free agent RHP Yovanny Cabrera to a minor league contract. |
| May 20, 2019 | Signed as free agent | Elmson Candelario | — | Cleveland Guardians | Cleveland Indians signed free agent RHP Elmson Candelario to a minor league contract. |
| May 20, 2019 | Signed as free agent | Julio Herrera | — | Baltimore Orioles | Baltimore Orioles signed free agent C Julio Herrera to a minor league contract. |
| May 20, 2019 | Signed as free agent | Brayner Sánchez | — | Baltimore Orioles | Baltimore Orioles signed free agent RHP Brayner Sanchez to a minor league contract. |
| May 20, 2019 | Signed as free agent | Raily Nunez | — | Baltimore Orioles | Baltimore Orioles signed free agent SS Raily Nunez to a minor league contract. |
| May 20, 2019 | Signed as free agent | Luis Valdez | — | Baltimore Orioles | Baltimore Orioles signed free agent SS Luis Valdez to a minor league contract. |
| May 20, 2019 | Signed as free agent | Jairo Vásquez | — | Baltimore Orioles | Baltimore Orioles signed free agent RHP Jairo Vasquez to a minor league contract. |
| May 18, 2019 | Signed as free agent | Zach Houchins | — | San Francisco Giants | San Francisco Giants signed free agent 3B Zach Houchins to a minor league contract. |
| May 18, 2019 | Released | Jonny Venters | — | Atlanta Braves | Atlanta Braves released LHP Jonny Venters. |
| May 18, 2019 | Released | Frank Schwindel | — | Kansas City Royals | Kansas City Royals released 1B Frank Schwindel. |
| May 18, 2019 | Signed as free agent | Jerry Blevins | — | Atlanta Braves | Atlanta Braves signed free agent LHP Jerry Blevins. |
| May 18, 2019 | Signed as free agent | Cameron Rupp | — | Athletics | Oakland Athletics signed free agent C Cameron Rupp to a minor league contract. |
| May 18, 2019 | Signed as free agent | Odrisamer Despaigne | — | Chicago White Sox | Chicago White Sox signed free agent RHP Odrisamer Despaigne to a minor league contract. |
| May 18, 2019 | Signed as free agent | Vinny Nittoli | — | Toronto Blue Jays | Toronto Blue Jays signed free agent RHP Vinny Nittoli to a minor league contract. |
| May 18, 2019 | Signed as free agent | Ronny Novas | — | Colorado Rockies | Colorado Rockies signed free agent OF Ronny Novas to a minor league contract. |
| May 17, 2019 | Signed as free agent | Jose Jimenez | — | Chicago White Sox | Chicago White Sox signed free agent LHP Jose Jimenez to a minor league contract. |
| May 17, 2019 | Signed as free agent | Steve Pastora | — | Milwaukee Brewers | Milwaukee Brewers signed free agent RHP Steve Pastora to a minor league contract. |
| May 16, 2019 | Signed as free agent | Dylan Thompson | — | Boston Red Sox | Boston Red Sox signed free agent RHP Dylan Thompson to a minor league contract. |
| May 16, 2019 | Trade | Erik Kratz | San Francisco Giants | Tampa Bay Rays | San Francisco Giants traded C Erik Kratz to Tampa Bay Rays for Player To Be Named Later. |
| May 15, 2019 | Signed as free agent | James Gonzalez | — | Athletics | Oakland Athletics signed free agent LHP James Gonzalez to a minor league contract. |
| May 14, 2019 | Signed as free agent | Bryan Bonnell | — | Washington Nationals | Washington Nationals signed free agent RHP Bryan Bonnell to a minor league contract. |
| May 14, 2019 | Trade | Kendrys Morales | Athletics | New York Yankees | Oakland Athletics traded DH Kendrys Morales and cash to New York Yankees for Player To Be Named Later. |
| May 14, 2019 | Signed as free agent | Victor Simeon | — | Texas Rangers | Texas Rangers signed free agent RHP Victor Simeon to a minor league contract. |
| May 14, 2019 | Signed as free agent | Reymond Cruz | — | Kansas City Royals | Kansas City Royals signed free agent CF Reymond Cruz to a minor league contract. |
| May 14, 2019 | Signed as free agent | Manuel Medina | — | Miami Marlins | Miami Marlins signed free agent LHP Manuel Medina to a minor league contract. |
| May 14, 2019 | Signed as free agent | Daniel Mateo | — | Texas Rangers | Texas Rangers signed free agent OF Daniel Mateo to a minor league contract. |
| May 13, 2019 | Signed as free agent | Michael Blazek | — | Washington Nationals | Washington Nationals signed free agent RHP Michael Blazek to a minor league contract. |
| May 13, 2019 | Signed as free agent | Norman Anciani | — | Philadelphia Phillies | Philadelphia Phillies signed free agent RHP Norman Anciani to a minor league contract. |
| May 12, 2019 | Signed | Neraldo Catalina | — | Tampa Bay Rays | Tampa Bay Rays signed RHP Neraldo Catalina. |
| May 11, 2019 | Trade | Edwin Jackson | Athletics | Toronto Blue Jays | Oakland Athletics traded RHP Edwin Jackson to Toronto Blue Jays for cash. |
| May 11, 2019 | Trade | Chris Stratton | Los Angeles Angels | Pittsburgh Pirates | Los Angeles Angels traded RHP Chris Stratton to Pittsburgh Pirates for cash. |
| May 11, 2019 | Signed as free agent | Gilberto Sosa | — | San Diego Padres | San Diego Padres signed free agent RHP Gilberto Sosa to a minor league contract. |
| May 11, 2019 | Signed as free agent | Raul Mendoza | — | Philadelphia Phillies | Philadelphia Phillies signed free agent RHP Raul Mendoza to a minor league contract. |
| May 11, 2019 | Signed as free agent | Sam Hellinger | — | Texas Rangers | Texas Rangers signed free agent RHP Sam Hellinger to a minor league contract. |
| May 10, 2019 | Signed as free agent | Jorgan Cavanerio | — | Chicago White Sox | Chicago White Sox signed free agent RHP Jorgan Cavanerio to a minor league contract. |
| May 10, 2019 | Trade | Paulo Orlando | Los Angeles Dodgers | Chicago White Sox | Los Angeles Dodgers traded OF Paulo Orlando to Chicago White Sox. |
| May 10, 2019 | Trade | Patrick Kivlehan | Pittsburgh Pirates | Toronto Blue Jays | Pittsburgh Pirates traded OF Patrick Kivlehan to Toronto Blue Jays for cash. |
| May 10, 2019 | Released | Peter Bourjos | — | Los Angeles Angels | Los Angeles Angels released OF Peter Bourjos. |
| May 10, 2019 | Trade | Travis d'Arnaud | Los Angeles Dodgers | Tampa Bay Rays | Los Angeles Dodgers traded C Travis d'Arnaud to Tampa Bay Rays for cash. |
| May 10, 2019 | Signed as free agent | Josh Fields | — | Texas Rangers | Texas Rangers signed free agent RHP Josh Fields to a minor league contract. |
| May 10, 2019 | Signed as free agent | Arturo Roque | — | Arizona Diamondbacks | Arizona Diamondbacks signed free agent RHP Arturo Roque to a minor league contract. |
| May 10, 2019 | Signed as free agent | Ivan Burgos | — | Colorado Rockies | Colorado Rockies signed free agent SS Ivan Burgos to a minor league contract. |
| May 9, 2019 | Signed as free agent | Jefferson Lopez | — | Cincinnati Reds | Cincinnati Reds signed free agent RHP Jefferson Lopez to a minor league contract. |
| May 9, 2019 | Signed as free agent | Casey Meisner | — | San Francisco Giants | San Francisco Giants signed free agent RHP Casey Meisner to a minor league contract. |
| May 9, 2019 | Signed as free agent | Gerardo Parra | — | Washington Nationals | Washington Nationals signed free agent LF Gerardo Parra. |
| May 9, 2019 | Signed as free agent | Oswald Medina | — | Philadelphia Phillies | Philadelphia Phillies signed free agent RHP Oswald Medina to a minor league contract. |
| May 9, 2019 | Signed as free agent | Wilmer Perez | — | Boston Red Sox | Boston Red Sox signed free agent SS Wilmer Perez to a minor league contract. |
| May 9, 2019 | Signed as free agent | Luis Sena | — | Baltimore Orioles | Baltimore Orioles signed free agent IF Luis Sena to a minor league contract. |
| May 9, 2019 | Signed as free agent | Hemerson Cordero | — | St. Louis Cardinals | St. Louis Cardinals signed free agent LHP Hemerson Corder to a minor league contract. |
| May 9, 2019 | Signed as free agent | Leodany Perez | — | Arizona Diamondbacks | Arizona Diamondbacks signed free agent CF Leodany Perez to a minor league contract. |
| May 8, 2019 | Signed as free agent | Nestor Lorant | — | Cincinnati Reds | Cincinnati Reds signed free agent RHP Nestor Lorant to a minor league contract. |
| May 8, 2019 | Signed as free agent | Daniel Camarena | — | New York Yankees | New York Yankees signed free agent LHP Daniel Camarena to a minor league contract. |
| May 8, 2019 | Signed as free agent | Yujo Kitagata | — | Los Angeles Dodgers | Los Angeles Dodgers signed free agent RHP Yujo Kitagata to a minor league contract. |
| May 8, 2019 | Signed as free agent | Jean Pinto | — | Los Angeles Angels | Los Angeles Angels signed free agent RHP Jean Pinto to a minor league contract. |
| May 6, 2019 | Trade | Wilmer Font | Tampa Bay Rays | New York Mets | Tampa Bay Rays traded RHP Wilmer Font to New York Mets for Future Considerations. |
| May 6, 2019 | Signed as free agent | Sean Brady | — | Pittsburgh Pirates | Pittsburgh Pirates signed free agent LHP Sean Brady to a minor league contract. |
| May 6, 2019 | Signed as free agent | Eliel Marcano | — | Washington Nationals | Washington Nationals signed free agent RHP Eliel Marcano to a minor league contract. |
| May 5, 2019 | Signed as free agent | Justin Nicolino | — | Chicago White Sox | Chicago White Sox signed free agent LHP Justin Nicolino to a minor league contract. |
| May 5, 2019 | Signed as free agent | Travis d'Arnaud | — | Los Angeles Dodgers | Los Angeles Dodgers signed free agent C Travis d'Arnaud. |
| May 4, 2019 | Trade | Adam Rosales | Minnesota Twins | Cleveland Guardians | Minnesota Twins traded 2B Adam Rosales to Cleveland Indians for cash. |
| May 4, 2019 | Trade | Nick Wells | Seattle Mariners | Washington Nationals | Washington Nationals traded RHP Austin Adams to Seattle Mariners for cash and LHP Nick Wells. |
| May 4, 2019 | Released | Matt Kemp | — | Cincinnati Reds | Cincinnati Reds released LF Matt Kemp. |
| May 4, 2019 | Signed as free agent | Ronni Montero | — | Washington Nationals | Washington Nationals signed free agent RHP Ronni Montero to a minor league contract. |
| May 4, 2019 | Signed as free agent | Brennon Kaleiwahea | — | Seattle Mariners | Seattle Mariners signed free agent C Brennon Kaleiwahea to a minor league contract. |
| May 3, 2019 | Released | Travis d'Arnaud | — | New York Mets | New York Mets released C Travis d'Arnaud. |
| May 2, 2019 | Trade | Francisco Peña | St. Louis Cardinals | San Francisco Giants | St. Louis Cardinals traded C Francisco Pena to San Francisco Giants for cash. |
| May 2, 2019 | Signed as free agent | Mauricio Lezama | — | New York Mets | New York Mets signed free agent LHP Mauricio Lezama to a minor league contract. |
| May 1, 2019 | Signed as free agent | Daker Tejeda | — | Arizona Diamondbacks | Arizona Diamondbacks signed free agent LHP Daker Tejeda to a minor league contract. |
| May 1, 2019 | Signed as free agent | Sandro Bargallo | — | Miami Marlins | Miami Marlins signed free agent LHP Sandro Bargallo to a minor league contract. |
| May 1, 2019 | Signed as free agent | J.R. Davis | — | Seattle Mariners | Seattle Mariners signed free agent CF J.R. Davis to a minor league contract. |
| May 1, 2019 | Signed as free agent | Jeanpier Cova | — | Arizona Diamondbacks | Arizona Diamondbacks signed free agent RHP Jeanpier Cova to a minor league contract. |
| May 1, 2019 | Signed as free agent | Luis Tejeda | — | Miami Marlins | Miami Marlins signed free agent RHP Luis Tejeda to a minor league contract. |
| May 1, 2019 | Signed as free agent | Jose Aguilar | — | Los Angeles Dodgers | Los Angeles Dodgers signed free agent CF Jose Aguilar to a minor league contract. |
| May 1, 2019 | Signed as free agent | Gabriel Tapia | — | Los Angeles Angels | Los Angeles Angels signed free agent RHP Gabriel Tapia to a minor league contract. |
| May 1, 2019 | Signed as free agent | Andersson Espinal | — | Baltimore Orioles | Baltimore Orioles signed free agent LHP Andersson Espinal to a minor league contract. |
| May 1, 2019 | Signed as free agent | Fernando Olguin | — | Milwaukee Brewers | Milwaukee Brewers signed free agent RHP Fernando Olguin to a minor league contract. |
| May 1, 2019 | Signed as free agent | Juan De La Rosa | — | Baltimore Orioles | Baltimore Orioles signed free agent OF Juan De La Rosa to a minor league contract. |
| May 1, 2019 | Signed as free agent | Edison Lantigua | — | Baltimore Orioles | Baltimore Orioles signed free agent OF Edison Lantigua to a minor league contract. |
| Apr 30, 2019 | Signed as free agent | Camilo Hinestroza | — | Philadelphia Phillies | Philadelphia Phillies signed free agent LHP Camilo Hinestroza to a minor league contract. |
| Apr 30, 2019 | Signed as free agent | Jaime Melendez | — | Houston Astros | Houston Astros signed free agent RHP Jaime Melendez to a minor league contract. |
| Apr 30, 2019 | Signed as free agent | Natanael Garabitos | — | Seattle Mariners | Seattle Mariners signed free agent RHP Natanael Garabitos to a minor league contract. |
| Apr 29, 2019 | Signed as free agent | Drew Stankiewicz | — | Cleveland Guardians | Cleveland Indians signed free agent 2B Drew Stankiewicz to a minor league contract. |
| Apr 29, 2019 | Signed as free agent | Rubel Cespedes | — | Minnesota Twins | Minnesota Twins signed free agent IF Rubel Cespedes to a minor league contract. |
| Apr 29, 2019 | Signed as free agent | Gareth Morgan | — | Los Angeles Angels | Los Angeles Angels signed free agent OF Gareth Morgan to a minor league contract. |
| Apr 28, 2019 | Trade | Jerry Blevins | Athletics | Atlanta Braves | Oakland Athletics traded LHP Jerry Blevins to Atlanta Braves for cash. |
| Apr 27, 2019 | Signed as free agent | Gio Gonzalez | — | Milwaukee Brewers | Milwaukee Brewers signed free agent LHP Gio Gonzalez. |
| Apr 27, 2019 | Signed as free agent | Ben Revere | — | Toronto Blue Jays | Toronto Blue Jays signed free agent LF Ben Revere to a minor league contract. |
| Apr 27, 2019 | Signed as free agent | Benyamin Bailey | — | Chicago White Sox | Chicago White Sox signed free agent OF Benjamin Bailey to a minor league contract. |
| Apr 26, 2019 | Trade | Hunter Stovall | Colorado Rockies | Philadelphia Phillies | Philadelphia Phillies traded LHP James Pazos to Colorado Rockies for 2B Hunter Stovall. |
| Apr 26, 2019 | Signed as free agent | Douglas Mijares | — | Philadelphia Phillies | Philadelphia Phillies signed free agent RHP Douglas Mijares to a minor league contract. |
| Apr 26, 2019 | Signed as free agent | Jonathan Petit | — | Philadelphia Phillies | Philadelphia Phillies signed free agent RHP Jonathan Petit to a minor league contract. |
| Apr 26, 2019 | Signed as free agent | Luis Velasquez | — | New York Yankees | New York Yankees signed free agent RHP Luis Velasquez to a minor league contract. |
| Apr 26, 2019 | Signed as free agent | Esteban Aquino | — | Arizona Diamondbacks | Arizona Diamondbacks signed free agent OF Esteban Aquino to a minor league contract. |
| Apr 25, 2019 | Trade | Cameron Maybin | Cleveland Guardians | New York Yankees | Cleveland Indians traded LF Cameron Maybin to New York Yankees for cash. |
| Apr 25, 2019 | Signed as free agent | Edward Sosa | — | New York Mets | New York Mets signed free agent RHP Edward Sosa to a minor league contract. |
| Apr 25, 2019 | Signed as free agent | Jorge Morla | — | Baltimore Orioles | Baltimore Orioles signed free agent RHP Jorge Morla to a minor league contract. |
| Apr 25, 2019 | Signed as free agent | Wuilfredo Antunez | — | Cleveland Guardians | Cleveland Indians signed free agent CF Wuilfredo Antunez to a minor league contract. |
| Apr 25, 2019 | Signed as free agent | Pablo Marinez | — | New York Mets | New York Mets signed free agent RHP Pablo Marinez to a minor league contract. |
| Apr 25, 2019 | Signed as free agent | Alan Meza | — | Cleveland Guardians | Cleveland Indians signed free agent IF Alan Meza to a minor league contract. |
| Apr 25, 2019 | Signed as free agent | Cesar Calderon | — | Detroit Tigers | Detroit Tigers signed free agent SS Cesar Calderon to a minor league contract. |
| Apr 25, 2019 | Signed as free agent | Fernando Lozano | — | Philadelphia Phillies | Philadelphia Phillies signed free agent RHP Fernando Lozano to a minor league contract. |
| Apr 24, 2019 | Trade | Mike Wright Jr. | Baltimore Orioles | Seattle Mariners | Baltimore Orioles traded RHP Mike Wright to Seattle Mariners for SS Ryne Ogren. |
| Apr 24, 2019 | Signed as free agent | Jaime Marin | — | Detroit Tigers | Detroit Tigers signed free agent RHP Jaime Marin to a minor league contract. |
| Apr 24, 2019 | Signed as free agent | James Rolle | — | Baltimore Orioles | Baltimore Orioles signed free agent 1B James Rolle to a minor league contract. |
| Apr 24, 2019 | Signed as free agent | Luis Lopez | — | Detroit Tigers | Detroit Tigers signed free agent RHP Luis Lopez to a minor league contract. |
| Apr 24, 2019 | Signed as free agent | Harif Frias | — | Baltimore Orioles | Baltimore Orioles signed free agent RHP Harif Frias to a minor league contract. |
| Apr 24, 2019 | Signed as free agent | Orlando Fulgencio | — | Baltimore Orioles | Baltimore Orioles signed free agent RHP Orlando Fulgencio to a minor league contract. |
| Apr 24, 2019 | Signed as free agent | Joeli Martinez | — | Baltimore Orioles | Baltimore Orioles signed free agent RHP Joeli Martinez to a minor league contract. |
| Apr 23, 2019 | Signed as free agent | Kelvin Abreu | — | Chicago Cubs | Chicago Cubs signed free agent RHP Kelvin Abreu to a minor league contract. |
| Apr 23, 2019 | Signed as free agent | Mario Fernandez | — | Tampa Bay Rays | Tampa Bay Rays signed free agent C Mario Fernandez to a minor league contract. |
| Apr 23, 2019 | Signed as free agent | Brandon Lawson | — | San Francisco Giants | San Francisco Giants signed free agent RHP Brandon Lawson to a minor league contract. |
| Apr 23, 2019 | Signed as free agent | Gabriel Machuca | — | New York Mets | New York Mets signed free agent RHP Gabriel Machuca to a minor league contract. |
| Apr 22, 2019 | Signed as free agent | Brad Miller | — | New York Yankees | New York Yankees signed free agent 2B Brad Miller to a minor league contract. |
| Apr 22, 2019 | Signed as free agent | Juan Rivera | — | Tampa Bay Rays | Tampa Bay Rays signed free agent RHP Juan Rivera to a minor league contract. |
| Apr 22, 2019 | Signed as free agent | Elniery García | — | Seattle Mariners | Seattle Mariners signed free agent LHP Elniery Garcia to a minor league contract. |
| Apr 20, 2019 | Signed as free agent | Hector Lucero | — | Baltimore Orioles | Baltimore Orioles signed free agent C Hector Lucero to a minor league contract. |
| Apr 19, 2019 | Signed as free agent | Logan Morrison | — | New York Yankees | New York Yankees signed free agent 1B Logan Morrison to a minor league contract. |
| Apr 19, 2019 | Trade | Marcus Wilson | Arizona Diamondbacks | Boston Red Sox | Boston Red Sox traded C Blake Swihart and Future Considerations to Arizona Diamondbacks for CF Marcus Wilson. |
| Apr 19, 2019 | Signed as free agent | Oscar Rodriguez | — | Arizona Diamondbacks | Arizona Diamondbacks signed free agent C Oscar Rodriguez to a minor league contract. |
| Apr 18, 2019 | Signed as free agent | Stuart Turner | — | Cincinnati Reds | Cincinnati Reds signed free agent C Stuart Turner to a minor league contract. |
| Apr 18, 2019 | Signed as free agent | Logan Bawcom | — | Los Angeles Dodgers | Los Angeles Dodgers signed free agent RHP Logan Bawcom to a minor league contract. |
| Apr 17, 2019 | Signed as free agent | Jeremy Bleich | — | Boston Red Sox | Boston Red Sox signed free agent LHP Jeremy Bleich to a minor league contract. |
| Apr 17, 2019 | Signed as free agent | Hansel Otamendi | — | St. Louis Cardinals | St. Louis Cardinals signed free agent CF Hansel Otamendi to a minor league contract. |
| Apr 17, 2019 | Signed as free agent | Anyelo Reyes | — | Baltimore Orioles | Baltimore Orioles signed free agent IF Anyelo Reyes to a minor league contract. |
| Apr 17, 2019 | Signed as free agent | Roblin Heredia | — | St. Louis Cardinals | St. Louis Cardinals signed free agent C Roblin Heredia to a minor league contract. |
| Apr 17, 2019 | Signed as free agent | Frankelyn Feliz | — | Los Angeles Dodgers | Los Angeles Dodgers signed free agent RHP Frankelyn Feliz to a minor league contract. |
| Apr 17, 2019 | Signed as free agent | Edgar Manzo | — | St. Louis Cardinals | St. Louis Cardinals signed free agent RHP Edgar Manzo to a minor league contract. |
| Apr 17, 2019 | Signed as free agent | Carlos Arcia | — | St. Louis Cardinals | St. Louis Cardinals signed free agent SS Carlos Arcia to a minor league contract. |
| Apr 17, 2019 | Signed as free agent | Randy Ruiz | — | Atlanta Braves | Atlanta Braves signed free agent C Randy Ruiz to a minor league contract. |
| Apr 17, 2019 | Signed as free agent | Jefferson Valladares | — | Los Angeles Dodgers | Los Angeles Dodgers signed free agent C Jefferson Valladares to a minor league contract. |
| Apr 17, 2019 | Signed as free agent | Wilmer Ortega | — | St. Louis Cardinals | St. Louis Cardinals signed free agent RHP Wilmer Ortega to a minor league contract. |
| Apr 17, 2019 | Signed as free agent | Chris Nunn | — | Los Angeles Dodgers | Los Angeles Dodgers signed free agent LHP Chris Nunn to a minor league contract. |
| Apr 16, 2019 | Signed as free agent | Chris Madera | — | Baltimore Orioles | Baltimore Orioles signed free agent OF Chris Madera to a minor league contract. |
| Apr 15, 2019 | Signed as free agent | Juan Burgos | — | Seattle Mariners | Seattle Mariners signed free agent RHP Juan Burgos to a minor league contract. |
| Apr 14, 2019 | Trade | David Freitas | Seattle Mariners | Milwaukee Brewers | Milwaukee Brewers traded RHP Sal Biasi to Seattle Mariners for C David Freitas. |
| Apr 13, 2019 | Signed as free agent | Dan Jennings | — | Washington Nationals | Washington Nationals signed free agent LHP Dan Jennings to a minor league contract. |
| Apr 12, 2019 | Signed as free agent | David Carpenter | — | Texas Rangers | Texas Rangers signed free agent RHP David Carpenter to a minor league contract. |
| Apr 12, 2019 | Signed as free agent | Craig Gentry | — | Colorado Rockies | Colorado Rockies signed free agent RF Craig Gentry to a minor league contract. |
| Apr 12, 2019 | Signed as free agent | Ramiro Batista | — | San Diego Padres | San Diego Padres signed free agent RHP Ramiro Batista to a minor league contract. |
| Apr 12, 2019 | Signed as free agent | Luis Asuncion | — | Texas Rangers | Texas Rangers signed free agent OF Luis Asuncion to a minor league contract. |
| Apr 12, 2019 | Signed as free agent | Todd Isaacs | — | Colorado Rockies | Colorado Rockies signed free agent CF Todd Isaacs to a minor league contract. |
| Apr 11, 2019 | Signed as free agent | Jesmuel Valentín | — | Baltimore Orioles | Baltimore Orioles signed free agent 3B Jesmuel Valentin to a minor league contract. |
| Apr 11, 2019 | Released | Jen-Ho Tseng | — | Chicago Cubs | Chicago Cubs released RHP Jen-Ho Tseng. |
| Apr 11, 2019 | Signed as free agent | Ángel Vargas | — | Baltimore Orioles | Baltimore Orioles signed free agent RHP Angel Vargas to a minor league contract. |
| Apr 11, 2019 | Signed as free agent | Edwin Jackson | — | Athletics | Oakland Athletics signed free agent RHP Edwin Jackson to a minor league contract. |
| Apr 10, 2019 | Signed as free agent | Willy Mendez | — | Cincinnati Reds | Cincinnati Reds signed free agent RHP Willy Mendez to a minor league contract. |
| Apr 10, 2019 | Signed as free agent | Ben Taylor | — | Arizona Diamondbacks | Arizona Diamondbacks signed free agent RHP Ben Taylor to a minor league contract. |
| Apr 10, 2019 | Signed as free agent | Deivy Mendez | — | San Diego Padres | San Diego Padres signed free agent RHP Deivy Mendez to a minor league contract. |
| Apr 10, 2019 | Trade | Jesus Azuaje | Philadelphia Phillies | Colorado Rockies | Philadelphia Phillies traded 2B Jesus Azuaje to Colorado Rockies. |
| Apr 9, 2019 | Signed as free agent | Luis Almonte | — | Cleveland Guardians | Cleveland Indians signed free agent RHP Luis Almonte to a minor league contract. |
| Apr 9, 2019 | Signed as free agent | Miguel Gomez | — | Washington Nationals | Washington Nationals signed free agent RHP Miguel Gomez to a minor league contract. |
| Apr 9, 2019 | Signed as free agent | Parker Bridwell | — | Los Angeles Angels | Los Angeles Angels signed free agent RHP Parker Bridwell to a minor league contract. |
| Apr 9, 2019 | Signed as free agent | Wes Rogers | — | Milwaukee Brewers | Milwaukee Brewers signed free agent LF Wes Rogers to a minor league contract. |
| Apr 9, 2019 | Signed as free agent | Maiker Feliz | — | New York Yankees | New York Yankees signed free agent RHP Maiker Feliz to a minor league contract. |
| Apr 8, 2019 | Trade | Tyler Austin | Minnesota Twins | San Francisco Giants | Minnesota Twins traded 1B Tyler Austin to San Francisco Giants for LF Malique Ziegler. |
| Apr 8, 2019 | Signed as free agent | Brad Marquez | — | New York Mets | New York Mets signed free agent OF Bradley Marquez to a minor league contract. |
| Apr 8, 2019 | Signed as free agent | Deiby Ramirez | — | Baltimore Orioles | Baltimore Orioles signed free agent C Deiby Ramirez to a minor league contract. |
| Apr 8, 2019 | Signed as free agent | Nelson Cuevas | — | Milwaukee Brewers | Milwaukee Brewers signed free agent RHP Nelson Cuevas to a minor league contract. |
| Apr 8, 2019 | Signed as free agent | Stiven Acevedo | — | Baltimore Orioles | Baltimore Orioles signed free agent OF Stiven Acevedo to a minor league contract. |
| Apr 8, 2019 | Signed as free agent | Edward Paredes | — | Los Angeles Dodgers | Los Angeles Dodgers signed free agent LHP Edward Paredes to a minor league contract. |
| Apr 7, 2019 | Trade | Rob Refsnyder | Arizona Diamondbacks | Cincinnati Reds | Arizona Diamondbacks traded OF Rob Refsnyder to Cincinnati Reds for Player To Be Named Later. |
| Apr 7, 2019 | Signed as free agent | Joel Benitez | — | Baltimore Orioles | Baltimore Orioles signed free agent RHP Joel Benitez to a minor league contract. |
| Apr 7, 2019 | Signed as free agent | Jonatan Bernal | — | Toronto Blue Jays | Toronto Blue Jays signed free agent RHP Jonathan Bernal to a minor league contract. |
| Apr 6, 2019 | Signed as free agent | Kenedy Corona | — | New York Mets | New York Mets signed free agent OF Kenedy Corona to a minor league contract. |
| Apr 5, 2019 | Signed as free agent | Dan Straily | — | Baltimore Orioles | Baltimore Orioles signed free agent RHP Dan Straily. |
| Apr 5, 2019 | Signed as free agent | Michael Reed | — | San Francisco Giants | San Francisco Giants signed free agent CF Michael Reed to a minor league contract. |
| Apr 5, 2019 | Signed as free agent | Otoniel Vallejo | — | Athletics | Oakland Athletics signed free agent OF Otoniel Vallejo to a minor league contract. |
| Apr 5, 2019 | Signed as free agent | Vance Vizcaino | — | Colorado Rockies | Colorado Rockies signed free agent OF Vance Vizcaino to a minor league contract. |
| Apr 4, 2019 | Signed as free agent | Zach McAllister | — | Los Angeles Dodgers | Los Angeles Dodgers signed free agent RHP Zach McAllister to a minor league contract. |
| Apr 4, 2019 | Signed as free agent | Cliff Pennington | — | New York Yankees | New York Yankees signed free agent SS Cliff Pennington to a minor league contract. |
| Apr 4, 2019 | Signed as free agent | Brett Nicholas | — | Chicago White Sox | Chicago White Sox signed free agent C Brett Nicholas to a minor league contract. |
| Apr 4, 2019 | Signed as free agent | Zach Scott | — | Miami Marlins | Miami Marlins signed free agent 2B Zach Scott to a minor league contract. |
| Apr 4, 2019 | Signed as free agent | Michael Cruz | — | Los Angeles Angels | Los Angeles Angels signed free agent C Michael Cruz to a minor league contract. |
| Apr 4, 2019 | Signed as free agent | Junichi Tazawa | — | Chicago Cubs | Chicago Cubs signed free agent RHP Junichi Tazawa to a minor league contract. |
| Apr 4, 2019 | Signed as free agent | Franklin Navarro | — | Los Angeles Angels | Los Angeles Angels signed free agent C Franklin Navarro to a minor league contract. |
| Apr 3, 2019 | Signed as free agent | Lupe Chavez | — | Houston Astros | Houston Astros signed free agent RHP Guadalupe Chavez to a minor league contract. |
| Apr 2, 2019 | Trade | Connor Sadzeck | Texas Rangers | Seattle Mariners | Texas Rangers traded RHP Connor Sadzeck to Seattle Mariners for RHP Grant Anderson. |
| Apr 2, 2019 | Trade | Kevin Pillar | Toronto Blue Jays | San Francisco Giants | Toronto Blue Jays traded CF Kevin Pillar to San Francisco Giants for 2B Alen Hanson, RHP Derek Law and RHP Juan De Paula. |
| Apr 2, 2019 | Trade | Rodrigo Orozco | Toronto Blue Jays | San Diego Padres | San Diego Padres traded RF Socrates Brito to Toronto Blue Jays for RF Rodrigo Orozco. |
| Apr 2, 2019 | Trade | Andrew Susac | Baltimore Orioles | Kansas City Royals | Baltimore Orioles traded C Andrew Susac to Kansas City Royals for cash. |
| Apr 2, 2019 | Released | Ben Taylor | — | Cleveland Guardians | Cleveland Indians released RHP Ben Taylor. |
| Apr 2, 2019 | Signed as free agent | Luis Alcala | — | Philadelphia Phillies | Philadelphia Phillies signed free agent RHP Saul Alcala to a minor league contract. |
| Apr 2, 2019 | Signed as free agent | Tim Hardy | — | New York Yankees | New York Yankees signed free agent LHP Tim Hardy to a minor league contract. |
| Apr 1, 2019 | Trade | Diomar Lopez | San Diego Padres | Cincinnati Reds | Cincinnati Reds traded RHP Matt Wisler to San Diego Padres for RHP Diomar Lopez. |
| Apr 1, 2019 | Signed as free agent | Ryan Flaherty | — | Cleveland Guardians | Cleveland Indians signed free agent 3B Ryan Flaherty to a minor league contract. |
| Apr 1, 2019 | Signed as free agent | Jerry Lopez | — | Tampa Bay Rays | Tampa Bay Rays signed free agent C Jerry Lopez to a minor league contract. |
| Apr 1, 2019 | Signed as free agent | Nelson Quiroz | — | Los Angeles Dodgers | Los Angeles Dodgers signed free agent C Nelson Quiroz to a minor league contract. |
| Apr 1, 2019 | Signed as free agent | Sebastian Olivero | — | Washington Nationals | Washington Nationals signed free agent RHP Sebastian Olivero to a minor league contract. |
| Apr 1, 2019 | Signed as free agent | Natanael Santana | — | Los Angeles Angels | Los Angeles Angels signed free agent CF Natanael Santana to a minor league contract. |
| Apr 1, 2019 | Signed as free agent | Adolfo Valdez | — | San Francisco Giants | San Francisco Giants signed free agent CF Adolfo Valdez to a minor league contract. |
| Mar 30, 2019 | Trade | Aaron Slegers | Pittsburgh Pirates | Tampa Bay Rays | Pittsburgh Pirates traded RHP Aaron Slegers to Tampa Bay Rays. |
| Mar 30, 2019 | Signed as free agent | Victor Lopez | — | Philadelphia Phillies | Philadelphia Phillies signed free agent RHP Victor Lopez to a minor league contract. |
| Mar 30, 2019 | Signed as free agent | Dashenko Ricardo | — | Tampa Bay Rays | Tampa Bay Rays signed free agent C Dashenko Ricardo to a minor league contract. |
| Mar 29, 2019 | Signed as free agent | Cameron Maybin | — | Cleveland Guardians | Cleveland Indians signed free agent LF Cameron Maybin. |
| Mar 29, 2019 | Trade | Tom Murphy | San Francisco Giants | Seattle Mariners | San Francisco Giants traded C Tom Murphy to Seattle Mariners for RHP Jesus Ozoria. |
| Mar 29, 2019 | Signed as free agent | Eric Wood | — | Pittsburgh Pirates | Pittsburgh Pirates signed free agent OF Eric Wood to a minor league contract. |
| Mar 29, 2019 | Signed as free agent | Lahiorne Diaz | — | Cleveland Guardians | Cleveland Indians signed free agent C Lahiorne Diaz to a minor league contract. |
| Mar 29, 2019 | Signed as free agent | Fernando Sanchez | — | San Diego Padres | San Diego Padres signed free agent LHP Fernando Sanchez to a minor league contract. |
| Mar 29, 2019 | Signed as free agent | Christopher Caro | — | Tampa Bay Rays | Tampa Bay Rays signed free agent RHP Christopher Caro to a minor league contract. |
| Mar 29, 2019 | Signed as free agent | Isaac Briones | — | Los Angeles Dodgers | Los Angeles Dodgers signed free agent RHP Hendrick Briones to a minor league contract. |
| Mar 29, 2019 | Signed as free agent | Rafael Nunez | — | Tampa Bay Rays | Tampa Bay Rays signed free agent LHP Rafael Nunez to a minor league contract. |
| Mar 28, 2019 | Signed as free agent | Mason Williams | — | Baltimore Orioles | Baltimore Orioles signed free agent OF Mason Williams to a minor league contract. |
| Mar 28, 2019 | Signed as free agent | Ian McKinney | — | Seattle Mariners | Seattle Mariners signed free agent LHP Ian McKinney to a minor league contract. |
| Mar 28, 2019 | Signed as free agent | Adam Rosales | — | Minnesota Twins | Minnesota Twins signed free agent 2B Adam Rosales to a minor league contract. |
| Mar 28, 2019 | Signed as free agent | Raynalf Ruiz | — | Tampa Bay Rays | Tampa Bay Rays signed free agent RHP Raynalf Ruiz to a minor league contract. |
| Mar 28, 2019 | Signed as free agent | Anthony Bass | — | Cincinnati Reds | Cincinnati Reds signed free agent RHP Anthony Bass to a minor league contract. |
| Mar 28, 2019 | Signed as free agent | Eric Young Jr. | — | Seattle Mariners | Seattle Mariners signed free agent OF Eric Young Jr. to a minor league contract. |
| Mar 28, 2019 | Signed as free agent | Sam Freeman | — | Los Angeles Angels | Los Angeles Angels signed free agent LHP Sam Freeman to a minor league contract. |
| Mar 28, 2019 | Signed as free agent | Geovanny Planchart | — | Pittsburgh Pirates | Pittsburgh Pirates signed free agent C Geovanny Planchart to a minor league contract. |
| Mar 28, 2019 | Signed as free agent | Jorge Ramos | — | Pittsburgh Pirates | Pittsburgh Pirates signed free agent RHP Jorge Ramos to a minor league contract. |
| Mar 28, 2019 | Signed as free agent | Justin Topa | — | Milwaukee Brewers | Milwaukee Brewers signed free agent RHP Justin Topa to a minor league contract. |
| Mar 28, 2019 | Signed as free agent | Devin Davis | — | Los Angeles Angels | Los Angeles Angels signed free agent 1B Devin Davis to a minor league contract. |
| Mar 27, 2019 | Signed as free agent | Brandon Guyer | — | Chicago White Sox | Chicago White Sox signed free agent OF Brandon Guyer to a minor league contract. |
| Mar 27, 2019 | Signed as free agent | René Rivera | — | New York Mets | New York Mets signed free agent C Rene Rivera to a minor league contract. |
| Mar 27, 2019 | Trade | Kendrys Morales | Toronto Blue Jays | Athletics | Toronto Blue Jays traded DH Kendrys Morales and cash to Oakland Athletics for 3B Jesus Lopez and Future Considerations. |
| Mar 27, 2019 | Trade | Eddy Alvarez | Chicago White Sox | Miami Marlins | Chicago White Sox traded 2B Eddy Alvarez to Miami Marlins. |
| Mar 27, 2019 | Trade | Jake Elmore | Chicago White Sox | Pittsburgh Pirates | Chicago White Sox traded 2B Jake Elmore to Pittsburgh Pirates. |
| Mar 27, 2019 | Signed as free agent | Erovis Alcantara | — | Milwaukee Brewers | Milwaukee Brewers signed free agent RHP Erovis Alcantara to a minor league contract. |
| Mar 27, 2019 | Signed as free agent | Florencio Serrano | — | Texas Rangers | Texas Rangers signed free agent RHP Florencio Serrano to a minor league contract. |
| Mar 26, 2019 | Trade | Chris Stratton | San Francisco Giants | Los Angeles Angels | Los Angeles Angels traded LHP Williams Jerez to San Francisco Giants for RHP Chris Stratton. |
| Mar 26, 2019 | Trade | Jordan Patterson | Cincinnati Reds | Toronto Blue Jays | Cincinnati Reds traded RF Jordan Patterson to Toronto Blue Jays. |
| Mar 26, 2019 | Signed as free agent | Johendí Jiminian | — | Cincinnati Reds | Cincinnati Reds signed free agent RHP Johendi Jiminian to a minor league contract. |
| Mar 26, 2019 | Signed as free agent | Endri Salas | — | St. Louis Cardinals | St. Louis Cardinals signed free agent CF Endri Salas to a minor league contract. |
| Mar 26, 2019 | Signed as free agent | Bryan Holaday | — | Miami Marlins | Miami Marlins signed free agent C Bryan Holaday to a minor league contract. |
| Mar 26, 2019 | Signed as free agent | Yordy Richard | — | St. Louis Cardinals | St. Louis Cardinals signed free agent RHP Yordy Richard to a minor league contract. |
| Mar 26, 2019 | Signed as free agent | Albert Inoa | — | St. Louis Cardinals | St. Louis Cardinals signed free agent SS Albert Inoa to a minor league contract. |
| Mar 26, 2019 | Signed as free agent | Michael Mantecón | — | Baltimore Orioles | Baltimore Orioles signed free agent C Michael Mantecon to a minor league contract. |
| Mar 26, 2019 | Signed as free agent | Jose Rodriguez | — | St. Louis Cardinals | St. Louis Cardinals signed free agent OF Jose Rodriguez to a minor league contract. |
| Mar 26, 2019 | Signed as free agent | Fernando Diaz | — | St. Louis Cardinals | St. Louis Cardinals signed free agent C Fernando Diaz to a minor league contract. |
| Mar 26, 2019 | Signed as free agent | Rob Zastryzny | — | Los Angeles Dodgers | Los Angeles Dodgers signed free agent LHP Rob Zastryzny to a minor league contract. |
| Mar 25, 2019 | Released | Dan Straily | — | Miami Marlins | Miami Marlins released RHP Dan Straily. |
| Mar 25, 2019 | Signed as free agent | Daniel Hudson | — | Toronto Blue Jays | Toronto Blue Jays signed free agent RHP Daniel Hudson. |
| Mar 25, 2019 | Signed as free agent | Alcides Escobar | — | Chicago White Sox | Chicago White Sox signed free agent SS Alcides Escobar to a minor league contract. |
| Mar 25, 2019 | Released | Zach McAllister | — | Texas Rangers | Texas Rangers released RHP Zach McAllister. |
| Mar 25, 2019 | Signed as free agent | Bobby Wilson | — | Detroit Tigers | Detroit Tigers signed free agent C Bobby Wilson to a minor league contract. |
| Mar 25, 2019 | Signed as free agent | Drew Butera | — | Colorado Rockies | Colorado Rockies signed free agent C Drew Butera to a minor league contract. |
| Mar 25, 2019 | Signed as free agent | John Axford | — | Toronto Blue Jays | Toronto Blue Jays signed free agent RHP John Axford to a minor league contract. |
| Mar 25, 2019 | Signed as free agent | Derwis Troconiz | — | New York Mets | New York Mets signed free agent C Derwis Troconiz to a minor league contract. |
| Mar 25, 2019 | Signed as free agent | Kevin Reyes | — | Kansas City Royals | Kansas City Royals signed free agent SS Kevin Reyes to a minor league contract. |
| Mar 25, 2019 | Signed as free agent | Leomar Jimenez | — | Atlanta Braves | Atlanta Braves signed free agent OF Leomar Jimenez to a minor league contract. |
| Mar 25, 2019 | Signed as free agent | Andres Sthormes | — | Miami Marlins | Miami Marlins signed free agent C Andres Sthormes to a minor league contract. |
| Mar 24, 2019 | Released | Junichi Tazawa | — | Chicago Cubs | Chicago Cubs released RHP Junichi Tazawa. |
| Mar 24, 2019 | Trade | Erik Kratz | Milwaukee Brewers | San Francisco Giants | Milwaukee Brewers traded C Erik Kratz to San Francisco Giants for SS C.J. Hinojosa. |
| Mar 24, 2019 | Signed as free agent | Brad Miller | — | Cleveland Guardians | Cleveland Indians signed free agent 2B Brad Miller. |
| Mar 24, 2019 | Trade | Matt Joyce | San Francisco Giants | Atlanta Braves | San Francisco Giants traded LF Matt Joyce to Atlanta Braves for cash. |
| Mar 24, 2019 | Signed as free agent | Alex Wilson | — | Milwaukee Brewers | Milwaukee Brewers signed free agent RHP Alex Wilson. |
| Mar 24, 2019 | Released | Jason Hammel | — | Texas Rangers | Texas Rangers released RHP Jason Hammel. |
| Mar 24, 2019 | Signed as free agent | Sean Nolin | — | Chicago White Sox | Chicago White Sox signed free agent LHP Sean Nolin to a minor league contract. |
| Mar 24, 2019 | Signed as free agent | Tim Collins | — | Chicago Cubs | Chicago Cubs signed free agent LHP Tim Collins. |
| Mar 23, 2019 | Signed as free agent | Rubén Tejada | — | New York Mets | New York Mets signed free agent 2B Ruben Tejada to a minor league contract. |
| Mar 23, 2019 | Trade | Mike Tauchman | Colorado Rockies | New York Yankees | Colorado Rockies traded CF Mike Tauchman to New York Yankees for LHP Phillip Diehl. |
| Mar 23, 2019 | Trade | Mike Yastrzemski | Baltimore Orioles | San Francisco Giants | Baltimore Orioles traded LF Mike Yastrzemski to San Francisco Giants for RHP Tyler Herb. |
| Mar 23, 2019 | Trade | Michael Reed | Minnesota Twins | San Francisco Giants | San Francisco Giants traded OF John Andreoli and cash to Minnesota Twins for CF Michael Reed. |
| Mar 23, 2019 | Released | John Axford | — | Toronto Blue Jays | Toronto Blue Jays released RHP John Axford. |
| Mar 23, 2019 | Released | René Rivera | — | San Francisco Giants | San Francisco Giants released C Rene Rivera. |
| Mar 23, 2019 | Released | Patrick McGuff | — | Cincinnati Reds | Cincinnati Reds released RHP Patrick McGuff. |
| Mar 23, 2019 | Released | Evan Marzilli | — | Chicago Cubs | Chicago Cubs released CF Evan Marzilli. |
| Mar 23, 2019 | Released | Ryan Court | — | Chicago Cubs | Chicago Cubs released SS Ryan Court. |
| Mar 23, 2019 | Released | José Rosario | — | Chicago Cubs | Chicago Cubs released RHP Jose Rosario. |
| Mar 23, 2019 | Released | Cameron Maybin | — | San Francisco Giants | San Francisco Giants released LF Cameron Maybin. |
| Mar 23, 2019 | Released | Mike Zagurski | — | Chicago Cubs | Chicago Cubs released LHP Mike Zagurski. |
| Mar 23, 2019 | Released | Bryan Holaday | — | Miami Marlins | Miami Marlins released C Bryan Holaday. |
| Mar 23, 2019 | Signed as free agent | Julio Pinto | — | Cincinnati Reds | Cincinnati Reds signed free agent RHP Julio Pinto to a minor league contract. |
| Mar 23, 2019 | Signed as free agent | Johan Belisario | — | Milwaukee Brewers | Milwaukee Brewers signed free agent RHP Johan Belisario to a minor league contract. |
| Mar 22, 2019 | Signed as free agent | Arvicent Perez | — | Colorado Rockies | Colorado Rockies signed free agent C Arvicent Perez to a minor league contract. |
| Mar 22, 2019 | Signed as free agent | Lucas Duda | — | Kansas City Royals | Kansas City Royals signed free agent 1B Lucas Duda to a minor league contract. |
| Mar 22, 2019 | Released | Adam Rosales | — | Minnesota Twins | Minnesota Twins released 2B Adam Rosales. |
| Mar 22, 2019 | Released | Daniel Hudson | — | Los Angeles Angels | Los Angeles Angels released RHP Daniel Hudson. |
| Mar 22, 2019 | Released | Bobby Wilson | — | Detroit Tigers | Detroit Tigers released C Bobby Wilson. |
| Mar 22, 2019 | Released | Tim Adleman | — | Cincinnati Reds | Cincinnati Reds released RHP Tim Adleman. |
| Mar 22, 2019 | Released | Andrew Romine | — | Philadelphia Phillies | Philadelphia Phillies released SS Andrew Romine. |
| Mar 22, 2019 | Released | Alex Wilson | — | Cleveland Guardians | Cleveland Indians released RHP Alex Wilson. |
| Mar 22, 2019 | Released | Michael Fairchild | — | Seattle Mariners | Seattle Mariners released RHP Michael Fairchild. |
| Mar 22, 2019 | Released | Drew Butera | — | Philadelphia Phillies | Philadelphia Phillies released C Drew Butera. |
| Mar 22, 2019 | Released | Brandon Guyer | — | Chicago White Sox | Chicago White Sox released OF Brandon Guyer. |
| Mar 22, 2019 | Released | Sharif Othman | — | Miami Marlins | Miami Marlins released C Sharif Othman. |
| Mar 22, 2019 | Signed as free agent | Cristian More | — | Chicago Cubs | Chicago Cubs signed free agent CF Cristian More to a minor league contract. |
| Mar 22, 2019 | Signed as free agent | Raudy Sanchez | — | Toronto Blue Jays | Toronto Blue Jays signed free agent RHP Raudy Sanchez to a minor league contract. |
| Mar 22, 2019 | Signed as free agent | Jonathan Alvarez | — | Chicago Cubs | Chicago Cubs signed free agent RHP Jonathan Alvarez to a minor league contract. |
| Mar 22, 2019 | Signed as free agent | Wander Guante | — | Athletics | Oakland Athletics signed free agent RHP Wander Guante to a minor league contract. |
| Mar 22, 2019 | Signed as free agent | Michael Tonkin | — | Milwaukee Brewers | Milwaukee Brewers signed free agent RHP Michael Tonkin to a minor league contract. |
| Mar 22, 2019 | Trade | Elys Escobar | Detroit Tigers | Pittsburgh Pirates | Detroit Tigers traded C Elys Escobar to Pittsburgh Pirates for cash. |
| Mar 21, 2019 | Signed as free agent | Josh Tomlin | — | Atlanta Braves | Atlanta Braves signed free agent RHP Josh Tomlin to a minor league contract. |
| Mar 21, 2019 | Trade | Jordan Johnson | San Francisco Giants | Cincinnati Reds | Cincinnati Reds traded OF Connor Joe to San Francisco Giants for cash and RHP Jordan Johnson. |
| Mar 21, 2019 | Released | Daniel Schlereth | — | Boston Red Sox | Boston Red Sox released LHP Daniel Schlereth. |
| Mar 21, 2019 | Released | Sam Bragg | — | Athletics | Oakland Athletics released RHP Sam Bragg. |
| Mar 21, 2019 | Released | Brad Miller | — | Los Angeles Dodgers | Los Angeles Dodgers released 2B Brad Miller. |
| Mar 21, 2019 | Released | Eric Young Jr. | — | Baltimore Orioles | Baltimore Orioles released LF Eric Young Jr.. |
| Mar 21, 2019 | Released | Adam Atkins | — | Minnesota Twins | Minnesota Twins released RHP Adam Atkins. |
| Mar 21, 2019 | Released | Marc Magliaro | — | Colorado Rockies | Colorado Rockies released RHP Marc Magliaro. |
| Mar 21, 2019 | Released | Jeremy Bleich | — | Philadelphia Phillies | Philadelphia Phillies released LHP Jeremy Bleich. |
| Mar 21, 2019 | Released | Tommy Bergjans | — | Cincinnati Reds | Cincinnati Reds released RHP Tommy Bergjans. |
| Mar 21, 2019 | Released | Edward Paredes | — | Philadelphia Phillies | Philadelphia Phillies released LHP Edward Paredes. |
| Mar 21, 2019 | Released | Gregorio Petit | — | Philadelphia Phillies | Philadelphia Phillies released SS Gregorio Petit. |
| Mar 21, 2019 | Released | Miguel Eladio | — | Cleveland Guardians | Cleveland Indians released SS Miguel Eladio. |
| Mar 21, 2019 | Released | Jaron Long | — | Arizona Diamondbacks | Arizona Diamondbacks released RHP Jaron Long. |
| Mar 21, 2019 | Released | Michael Tonkin | — | Texas Rangers | Texas Rangers released RHP Michael Tonkin. |
| Mar 21, 2019 | Released | Trevor Plouffe | — | Philadelphia Phillies | Philadelphia Phillies released 3B Trevor Plouffe. |
| Mar 21, 2019 | Signed as free agent | Jose Melendez | — | Pittsburgh Pirates | Pittsburgh Pirates signed free agent C Jose Melendez to a minor league contract. |
| Mar 21, 2019 | Signed as free agent | Jorge Ortega | — | Milwaukee Brewers | Milwaukee Brewers signed free agent RHP Jorge Ortega to a minor league contract. |
| Mar 20, 2019 | Signed as free agent | Gio Gonzalez | — | New York Yankees | New York Yankees signed free agent LHP Gio Gonzalez to a minor league contract and invited him to spring training. |
| Mar 20, 2019 | Released | Lucas Duda | — | Minnesota Twins | Minnesota Twins released 1B Lucas Duda. |
| Mar 20, 2019 | Signed as free agent | Josh Fields | — | Milwaukee Brewers | Milwaukee Brewers signed free agent RHP Josh Fields to a minor league contract and invited him to spring training. |
| Mar 20, 2019 | Signed as free agent | Matt Joyce | — | San Francisco Giants | San Francisco Giants signed free agent LF Matt Joyce to a minor league contract and invited him to spring training. |
| Mar 20, 2019 | Signed as free agent | Tyler Clippard | — | Cleveland Guardians | Cleveland Indians signed free agent RHP Tyler Clippard to a minor league contract and invited him to spring training. |
| Mar 20, 2019 | Released | Omar Bencomo | — | Baltimore Orioles | Baltimore Orioles released RHP Omar Bencomo. |
| Mar 20, 2019 | Released | Christian Bergman | — | Chicago Cubs | Chicago Cubs released RHP Christian Bergman. |
| Mar 20, 2019 | Released | Alcides Escobar | — | Baltimore Orioles | Baltimore Orioles released SS Alcides Escobar. |
| Mar 20, 2019 | Released | Adam Walton | — | Arizona Diamondbacks | Arizona Diamondbacks released 2B Adam Walton. |
| Mar 20, 2019 | Released | DJ Jenkins | — | Los Angeles Angels | Los Angeles Angels released LF DJ Jenkins. |
| Mar 20, 2019 | Released | Randall Delgado | — | Chicago White Sox | Chicago White Sox released RHP Randall Delgado. |
| Mar 20, 2019 | Released | Chris Johnson | — | Chicago White Sox | Chicago White Sox released 3B Chris Johnson. |
| Mar 20, 2019 | Released | Bo Schultz | — | Baltimore Orioles | Baltimore Orioles released RHP Bo Schultz. |
| Mar 20, 2019 | Signed as free agent | Bernardo Rodriguez | — | Arizona Diamondbacks | Arizona Diamondbacks signed free agent LHP Bernardo Rodriguez to a minor league contract. |
| Mar 20, 2019 | Trade | Cristian Castillo | Kansas City Royals | Chicago White Sox | Kansas City Royals traded LHP Cristian Castillo to Chicago White Sox. |
| Mar 20, 2019 | Signed as free agent | Samy Apolinar | — | Baltimore Orioles | Baltimore Orioles signed free agent 1B Samy Apolinar to a minor league contract. |
| Mar 19, 2019 | Signed as free agent | Carlos González | — | Cleveland Guardians | Cleveland Indians signed free agent RF Carlos Gonzalez to a minor league contract and invited him to spring training. |
| Mar 19, 2019 | Released | Matt Joyce | — | Cleveland Guardians | Cleveland Indians released LF Matt Joyce. |
| Mar 19, 2019 | Released | Brett Eibner | — | Texas Rangers | Texas Rangers released RHP Brett Eibner. |
| Mar 19, 2019 | Released | Bernabe Camargo | — | Los Angeles Angels | Los Angeles Angels released OF Bernabe Camargo. |
| Mar 19, 2019 | Released | Dominic Taccolini | — | San Diego Padres | San Diego Padres released RHP Dominic Taccolini. |
| Mar 19, 2019 | Released | Allen Craig | — | San Diego Padres | San Diego Padres released 1B Allen Craig. |
| Mar 19, 2019 | Released | Tyler Clippard | — | Cleveland Guardians | Cleveland Indians released RHP Tyler Clippard. |
| Mar 19, 2019 | Released | Corey Walter | — | Athletics | Oakland Athletics released RHP Corey Walter. |
| Mar 18, 2019 | Trade | Lenin Rodriguez | Philadelphia Phillies | Baltimore Orioles | Philadelphia Phillies traded C Lenin Rodriguez to Baltimore Orioles for Future Considerations. |
| Mar 18, 2019 | Released | Logan Taylor | — | Cincinnati Reds | Cincinnati Reds released OF Logan Taylor. |
| Mar 18, 2019 | Released | Mario Meza | — | Chicago Cubs | Chicago Cubs released RHP Mario Meza. |
| Mar 18, 2019 | Released | Wander Franco | — | San Francisco Giants | San Francisco Giants released 3B Wander Franco. |
| Mar 18, 2019 | Released | Dan Slania | — | San Francisco Giants | San Francisco Giants released RHP Dan Slania. |
| Mar 18, 2019 | Released | Michael Saunders | — | Colorado Rockies | Colorado Rockies released OF Michael Saunders. |
| Mar 17, 2019 | Trade | Jason Adam | Kansas City Royals | Toronto Blue Jays | Kansas City Royals traded RHP Jason Adam to Toronto Blue Jays for cash. |
| Mar 16, 2019 | Signed as free agent | Jack Bowins | — | Boston Red Sox | Boston Red Sox signed free agent RHP Jack Bowins to a minor league contract. |
| Mar 16, 2019 | Signed as free agent | David Popkins | — | Los Angeles Dodgers | Los Angeles Dodgers signed free agent RF David Popkins to a minor league contract. |
| Mar 16, 2019 | Signed as free agent | Gerardo Santana | — | Toronto Blue Jays | Toronto Blue Jays signed free agent RHP Gerardo Santana to a minor league contract. |
| Mar 15, 2019 | Released | Matt Marksberry | — | Arizona Diamondbacks | Arizona Diamondbacks released LHP Matt Marksberry. |
| Mar 15, 2019 | Released | Shane Watson | — | Arizona Diamondbacks | Arizona Diamondbacks released RHP Shane Watson. |
| Mar 15, 2019 | Signed as free agent | Juan De Los Santos | — | Houston Astros | Houston Astros signed free agent RHP Juan De Los Santos to a minor league contract. |
| Mar 15, 2019 | Signed as free agent | Reibyn Corona | — | Atlanta Braves | Atlanta Braves signed free agent RHP Reibyn Corona to a minor league contract. |
| Mar 15, 2019 | Signed as free agent | Felix Stevens | — | Chicago Cubs | Chicago Cubs signed free agent OF Felix Stevens to a minor league contract. |
| Mar 15, 2019 | Signed as free agent | Alfonzo Urosa | — | San Diego Padres | San Diego Padres signed free agent RHP Alfonzo Urosa. |
| Mar 15, 2019 | Signed as free agent | Yordan Nodal | — | Houston Astros | Houston Astros signed free agent LHP Jose Nodal to a minor league contract. |
| Mar 15, 2019 | Signed as free agent | Gianfranco Pena | — | Atlanta Braves | Atlanta Braves signed free agent C Gianfranco Pena to a minor league contract. |
| Mar 15, 2019 | Signed as free agent | Fray Morelo | — | Milwaukee Brewers | Milwaukee Brewers signed free agent RHP Fray Morelo to a minor league contract. |
| Mar 14, 2019 | Signed as free agent | Tony Sipp | — | Washington Nationals | Washington Nationals signed free agent LHP Tony Sipp. |
| Mar 14, 2019 | Signed as free agent | Andrew Faulkner | — | Los Angeles Dodgers | Los Angeles Dodgers signed free agent LHP Andrew Faulkner to a minor league contract. |
| Mar 14, 2019 | Released | Matt Pobereyko | — | New York Mets | New York Mets released RHP Matt Pobereyko. |
| Mar 14, 2019 | Released | Alec Asher | — | Colorado Rockies | Colorado Rockies released RHP Alec Asher. |
| Mar 14, 2019 | Released | Ryan Dobson | — | Arizona Diamondbacks | Arizona Diamondbacks released SS Ryan Dobson. |
| Mar 14, 2019 | Released | Brad Goldberg | — | Arizona Diamondbacks | Arizona Diamondbacks released RHP Brad Goldberg. |
| Mar 14, 2019 | Signed as free agent | Darwyn Zambrano | — | Detroit Tigers | Detroit Tigers signed free agent RHP Darwyn Zambrano to a minor league contract. |
| Mar 14, 2019 | Signed as free agent | Wanner Rosario | — | Kansas City Royals | Kansas City Royals signed free agent RHP Wanner Rosario to a minor league contract. |
| Mar 14, 2019 | Signed as free agent | Yeremi Bastardo | — | Detroit Tigers | Detroit Tigers signed free agent LHP Yeremi Bastardo to a minor league contract. |
| Mar 14, 2019 | Signed as free agent | Moises Rodriguez | — | Detroit Tigers | Detroit Tigers signed free agent RHP Moises Rodriguez to a minor league contract. |
| Mar 13, 2019 | Signed as free agent | Tyler Goeddel | — | Washington Nationals | Washington Nationals signed free agent OF Tyler Goeddel to a minor league contract. |
| Mar 13, 2019 | Signed as free agent | Luis Sardinas | — | Washington Nationals | Washington Nationals signed free agent IF Luis Sardinas to a minor league contract. |
| Mar 13, 2019 | Signed as free agent | Sammy Solís | — | San Diego Padres | San Diego Padres signed free agent LHP Sammy Solis to a minor league contract and invited him to spring training. |
| Mar 13, 2019 | Released | Jack Leathersich | — | Texas Rangers | Texas Rangers released LHP Jack Leathersich. |
| Mar 13, 2019 | Released | Cole Wiper | — | Texas Rangers | Texas Rangers released RHP Cole Wiper. |
| Mar 13, 2019 | Released | Austin Pettibone | — | Texas Rangers | Texas Rangers released RHP Austin Pettibone. |
| Mar 12, 2019 | Released | Dustin Ackley | — | Seattle Mariners | Seattle Mariners released 2B Dustin Ackley. |
| Mar 12, 2019 | Signed as free agent | Darwyn Encarnacion | — | New York Mets | New York Mets signed free agent OF Darwyn Encarnacion to a minor league contract. |
| Mar 12, 2019 | Signed as free agent | Franklin Linares | — | New York Mets | New York Mets signed free agent OF Franklin Linares to a minor league contract. |
| Mar 12, 2019 | Signed as free agent | Henry Morales | — | Boston Red Sox | Boston Red Sox signed free agent OF Henry Morales to a minor league contract. |
| Mar 12, 2019 | Signed as free agent | Samuel Marte | — | New York Mets | New York Mets signed free agent SS Samuel Marte to a minor league contract. |
| Mar 12, 2019 | Signed as free agent | Eduard Monroy | — | Baltimore Orioles | Baltimore Orioles signed free agent LHP Eduard Monroy to a minor league contract. |
| Mar 12, 2019 | Signed as free agent | Taylor Motter | — | Detroit Tigers | Detroit Tigers signed free agent SS Taylor Motter to a minor league contract. |
| Mar 11, 2019 | Signed as free agent | Yonathan Mendoza | — | Cincinnati Reds | Cincinnati Reds signed free agent IF Yonathan Mendoza to a minor league contract. |
| Mar 11, 2019 | Signed as free agent | Martín Maldonado | — | Kansas City Royals | Kansas City Royals signed free agent C Martin Maldonado. |
| Mar 11, 2019 | Signed as free agent | Adam Jones | — | Arizona Diamondbacks | Arizona Diamondbacks signed free agent RF Adam Jones. |
| Mar 11, 2019 | Signed as free agent | Ryan Fritze | — | Arizona Diamondbacks | Arizona Diamondbacks signed free agent RHP Ryan Fritze to a minor league contract. |
| Mar 10, 2019 | Released | Josh Fields | — | Los Angeles Dodgers | Los Angeles Dodgers released RHP Josh Fields. |
| Mar 9, 2019 | Released | T.J. Rivera | — | New York Mets | New York Mets released 3B T.J. Rivera. |
| Mar 9, 2019 | Trade | Cameron Rupp | San Francisco Giants | Detroit Tigers | San Francisco Giants traded C Cameron Rupp to Detroit Tigers for cash. |
| Mar 9, 2019 | Released | Sammy Solís | — | Washington Nationals | Washington Nationals released LHP Sammy Solis. |
| Mar 9, 2019 | Signed as free agent | Aaron Kurcz | — | Milwaukee Brewers | Milwaukee Brewers signed free agent RHP Aaron Kurcz to a minor league contract. |
| Mar 9, 2019 | Signed as free agent | Michael O'Neill | — | Milwaukee Brewers | Milwaukee Brewers signed free agent OF Michael O'Neill to a minor league contract. |
| Mar 8, 2019 | Trade | Dwight Smith Jr. | Toronto Blue Jays | Baltimore Orioles | Toronto Blue Jays traded LF Dwight Smith Jr. to Baltimore Orioles for Future Considerations. |
| Mar 8, 2019 | Released | Rob Scahill | — | Chicago Cubs | Chicago Cubs released RHP Rob Scahill. |
| Mar 8, 2019 | Signed as free agent | Israyber Gomez | — | Texas Rangers | Texas Rangers signed free agent C Israyber Gomez to a minor league contract. |
| Mar 8, 2019 | Trade | Stephen Ridings | Chicago Cubs | Kansas City Royals | Kansas City Royals traded CF Donnie Dewees to Chicago Cubs for RHP Stephen Ridings. |
| Mar 7, 2019 | Signed as free agent | Carlos Gómez | — | New York Mets | New York Mets signed free agent OF Carlos Gomez to a minor league contract and invited him to spring training. |
| Mar 7, 2019 | Signed as free agent | Bud Norris | — | Toronto Blue Jays | Toronto Blue Jays signed free agent RHP Bud Norris to a minor league contract and invited him to spring training. |
| Mar 7, 2019 | Signed as free agent | Famin Rodriguez | — | New York Mets | New York Mets signed free agent 2B Famin Rodriguez to a minor league contract. |
| Mar 7, 2019 | Signed as free agent | Juan De Los Santos | — | Baltimore Orioles | Baltimore Orioles signed free agent RHP Juan De Los Santos to a minor league contract. |
| Mar 7, 2019 | Signed as free agent | Jose Tejada | — | New York Mets | New York Mets signed free agent RHP Jose Tejada to a minor league contract. |
| Mar 7, 2019 | Signed as free agent | Yeremi Abad | — | New York Mets | New York Mets signed free agent RHP Yeremi Abad to a minor league contract. |
| Mar 7, 2019 | Signed as free agent | Jalen Miller | — | Baltimore Orioles | Baltimore Orioles signed free agent RHP Jalen Miller to a minor league contract. |
| Mar 7, 2019 | Signed as free agent | Joon Feliz | — | New York Mets | New York Mets signed free agent RHP Joon Feliz to a minor league contract. |
| Mar 7, 2019 | Signed as free agent | Ransel Villaman | — | New York Mets | New York Mets signed free agent SS Ransel Villaman to a minor league contract. |
| Mar 7, 2019 | Signed as free agent | Cristopher Perez | — | New York Mets | New York Mets signed free agent SS Cristopher Perez to a minor league contract. |
| Mar 7, 2019 | Signed as free agent | Albert Caldera | — | Milwaukee Brewers | Milwaukee Brewers signed free agent LHP Albert Caldera to a minor league contract. |
| Mar 7, 2019 | Signed as free agent | Jauri Custodio | — | Pittsburgh Pirates | Pittsburgh Pirates signed free agent OF Jauri Custodio to a minor league contract. |
| Mar 7, 2019 | Signed as free agent | Paul Russo | — | Washington Nationals | Washington Nationals signed free agent SS Paul Russo to a minor league contract. |
| Mar 6, 2019 | Signed as free agent | Carlos Peña | — | Detroit Tigers | Detroit Tigers signed free agent LHP Carlos Pena to a minor league contract. |
| Mar 6, 2019 | Signed as free agent | Carlos Mendoza | — | Detroit Tigers | Detroit Tigers signed free agent IF Carlos Mendoza to a minor league contract. |
| Mar 6, 2019 | Signed as free agent | Sergio Tapia | — | Detroit Tigers | Detroit Tigers signed free agent C Sergio Tapia to a minor league contract. |
| Mar 6, 2019 | Signed as free agent | Raymer Caridad | — | Milwaukee Brewers | Milwaukee Brewers signed free agent RHP Raymer Caridad to a minor league contract. |
| Mar 6, 2019 | Signed as free agent | Keiner Alfaro | — | Milwaukee Brewers | Milwaukee Brewers signed free agent LHP Keiner Alfaro to a minor league contract. |
| Mar 6, 2019 | Signed as free agent | Misael Tamarez | — | Houston Astros | Houston Astros signed free agent RHP Misael Tamarez to a minor league contract. |
| Mar 6, 2019 | Signed as free agent | Enmanuel Gutierrez | — | Baltimore Orioles | Baltimore Orioles signed free agent RHP Enmanuel Gutierrez to a minor league contract. |
| Mar 5, 2019 | Signed as free agent | Clay Buchholz | — | Toronto Blue Jays | Toronto Blue Jays signed free agent RHP Clay Buchholz. |
| Mar 5, 2019 | Signed as free agent | Jarret Martin | — | Texas Rangers | Texas Rangers signed free agent LHP Jarret Martin to a minor league contract. |
| Mar 5, 2019 | Released | Chris Smith | — | Detroit Tigers | Detroit Tigers released RHP Chris Smith. |
| Mar 5, 2019 | Signed as free agent | Francis Mercedes | — | Toronto Blue Jays | Toronto Blue Jays signed free agent RHP Francis Mercedes to a minor league contract. |
| Mar 5, 2019 | Signed as free agent | Orelvis Rijo | — | Atlanta Braves | Atlanta Braves signed free agent LHP Orelvis Rijo to a minor league contract. |
| Mar 5, 2019 | Signed as free agent | Ramon Linares | — | Atlanta Braves | Atlanta Braves signed free agent LHP Ramon Linares to a minor league contract. |
| Mar 5, 2019 | Signed as free agent | Justin Vernia | — | Arizona Diamondbacks | Arizona Diamondbacks signed free agent RHP Justin Vernia to a minor league contract. |
| Mar 5, 2019 | Signed as free agent | Patrick Leonard | — | Milwaukee Brewers | Milwaukee Brewers signed free agent 3B Patrick Leonard to a minor league contract. |
| Mar 5, 2019 | Signed as free agent | Sam Long | — | Chicago White Sox | Chicago White Sox signed free agent LHP Sam Long to a minor league contract. |
| Mar 4, 2019 | Signed as free agent | Nick Garland | — | Pittsburgh Pirates | Pittsburgh Pirates signed free agent C Nick Garland to a minor league contract. |
| Mar 3, 2019 | Trade | Zack Granite | Minnesota Twins | Texas Rangers | Minnesota Twins traded CF Zack Granite to Texas Rangers for cash and RHP Xavier Moore. |
| Mar 3, 2019 | Trade | Xavier Moore | Minnesota Twins | Baltimore Orioles | Minnesota Twins traded RHP Xavier Moore to Baltimore Orioles for Future Considerations. |
| Mar 3, 2019 | Signed as free agent | Miguel Tejeda | — | Philadelphia Phillies | Philadelphia Phillies signed free agent CF Miguel Tejeda to a minor league contract. |
| Mar 3, 2019 | Signed as free agent | Edison Ovalles | — | Cincinnati Reds | Cincinnati Reds signed free agent C Edison Ovalles to a minor league contract. |
| Mar 3, 2019 | Signed as free agent | Oswaldo Castillo | — | Cincinnati Reds | Cincinnati Reds signed free agent RHP Oswaldo Castillo to a minor league contract. |
| Mar 3, 2019 | Signed as free agent | Ronis Aybar | — | New York Mets | New York Mets signed free agent OF Ronis Aybar to a minor league contract. |
| Mar 3, 2019 | Signed as free agent | Marwin Ramirez | — | Cincinnati Reds | Cincinnati Reds signed free agent RHP Marwin Ramirez to a minor league contract. |
| Mar 3, 2019 | Signed as free agent | Jose Valdez | — | New York Mets | New York Mets signed free agent RHP Jose Valdez to a minor league contract. |
| Mar 3, 2019 | Signed as free agent | Bruce Caldwell | — | Milwaukee Brewers | Milwaukee Brewers signed free agent 2B Bruce Caldwell to a minor league contract. |
| Mar 3, 2019 | Signed as free agent | Michael Bowden | — | Los Angeles Dodgers | Los Angeles Dodgers signed free agent RHP Michael Bowden to a minor league contract. |
| Mar 2, 2019 | Signed as free agent | Bryce Harper | — | Philadelphia Phillies | Philadelphia Phillies signed free agent RF Bryce Harper. |
| Mar 2, 2019 | Signed as free agent | Robert Ramirez | — | New York Mets | New York Mets signed free agent RHP Robert Ramirez to a minor league contract. |
| Mar 2, 2019 | Signed as free agent | Edinson Batista | — | Houston Astros | Houston Astros signed free agent RHP Edinson Batista to a minor league contract. |
| Mar 2, 2019 | Signed as free agent | Alvaro Figueroa | — | New York Mets | New York Mets signed free agent RHP Alvaro Figueroa to a minor league contract. |
| Mar 1, 2019 | Signed as free agent | Adam Warren | — | San Diego Padres | San Diego Padres signed free agent RHP Adam Warren. |
| Mar 1, 2019 | Signed as free agent | Angelo Mora | — | Los Angeles Dodgers | Los Angeles Dodgers signed free agent IF Angelo Mora to a minor league contract. |
| Mar 1, 2019 | Signed as free agent | Nick Vincent | — | San Francisco Giants | San Francisco Giants signed free agent RHP Nick Vincent to a minor league contract and invited him to spring training. |
| Mar 1, 2019 | Signed as free agent | William Miranda | — | St. Louis Cardinals | St. Louis Cardinals signed free agent RHP William Miranda to a minor league contract. |
| Feb 28, 2019 | Signed as free agent | Andy Burns | — | Toronto Blue Jays | Toronto Blue Jays signed free agent 2B Andy Burns to a minor league contract. |
| Feb 28, 2019 | Signed as free agent | Miguel Alfonseca | — | New York Mets | New York Mets signed free agent RHP Miguel Alfonseca to a minor league contract. |
| Feb 28, 2019 | Signed as free agent | Cristian Olivero | — | New York Mets | New York Mets signed free agent RHP Cristian Olivero to a minor league contract. |
| Feb 28, 2019 | Signed as free agent | Jose Hiraldo | — | Cincinnati Reds | Cincinnati Reds signed free agent P Jose Hiraldo to a minor league contract. |
| Feb 28, 2019 | Signed as free agent | Eddy Alcantara | — | Cincinnati Reds | Cincinnati Reds signed free agent LHP Eddy Alcantara to a minor league contract. |
| Feb 28, 2019 | Signed as free agent | Chris Rowley | — | San Diego Padres | San Diego Padres signed free agent RHP Chris Rowley to a minor league contract. |
| Feb 28, 2019 | Signed as free agent | Natanael Ramos | — | New York Mets | New York Mets signed free agent C Natanael Ramos to a minor league contract. |
| Feb 27, 2019 | Signed as free agent | Matt Wieters | — | St. Louis Cardinals | St. Louis Cardinals signed free agent C Matt Wieters to a minor league contract and invited him to spring training. |
| Feb 27, 2019 | Signed as free agent | Marcos Eusebio | — | Houston Astros | Houston Astros signed free agent RHP Marcos Eusebio to a minor league contract. |
| Feb 26, 2019 | Signed as free agent | Hanley Ramirez | — | Cleveland Guardians | Cleveland Indians signed free agent 1B Hanley Ramirez to a minor league contract and invited him to spring training. |
| Feb 26, 2019 | Signed as free agent | Logan Forsythe | — | Texas Rangers | Texas Rangers signed free agent 2B Logan Forsythe to a minor league contract and invited him to spring training. |
| Feb 26, 2019 | Signed as free agent | Cristofer Campo | — | Arizona Diamondbacks | Arizona Diamondbacks signed free agent OF Cristofe Campo to a minor league contract. |
| Feb 26, 2019 | Signed as free agent | Daniel Leon | — | Arizona Diamondbacks | Arizona Diamondbacks signed free agent C Daniel Leon to a minor league contract. |
| Feb 26, 2019 | Signed as free agent | Jonathan Rodriguez | — | Philadelphia Phillies | Philadelphia Phillies signed free agent C Jonathan Rodriguez to a minor league contract. |
| Feb 26, 2019 | Signed as free agent | Pedro Payano | — | Texas Rangers | Texas Rangers signed free agent RHP Pedro Payano to a minor league contract. |
| Feb 26, 2019 | Signed as free agent | Yoanys Quiala | — | San Francisco Giants | San Francisco Giants signed free agent RHP Yoanys Quiala to a minor league contract. |
| Feb 25, 2019 | Signed as free agent | Marwin Gonzalez | — | Minnesota Twins | Minnesota Twins signed free agent 3B Marwin Gonzalez. |
| Feb 25, 2019 | Signed as free agent | Alec Kisena | — | New York Mets | New York Mets signed free agent RHP Alec Kisena to a minor league contract. |
| Feb 24, 2019 | Signed as free agent | Jordan Harrison | — | Atlanta Braves | Atlanta Braves signed free agent LHP Jordan Harrison to a minor league contract. |
| Feb 24, 2019 | Signed | Damien Magnifico | — | Arizona Diamondbacks | Arizona Diamondbacks signed RHP Damien Magnifico. |
| Feb 24, 2019 | Signed as free agent | Johnny Weeks | — | Philadelphia Phillies | Philadelphia Phillies signed free agent 2B Johnny Weeks to a minor league contract. |
| Feb 23, 2019 | Signed as free agent | Arismendy Alcántara | — | New York Mets | New York Mets signed free agent OF Arismendy Alcantara to a minor league contract. |
| Feb 23, 2019 | Signed as free agent | Ervin Santana | — | Chicago White Sox | Chicago White Sox signed free agent RHP Ervin Santana to a minor league contract and invited him to spring training. |
| Feb 23, 2019 | Signed as free agent | Preston Tucker | — | Chicago White Sox | Chicago White Sox signed free agent LF Preston Tucker to a minor league contract and invited him to spring training. |
| Feb 23, 2019 | Signed as free agent | Jose Iglesias | — | Cincinnati Reds | Cincinnati Reds signed free agent SS Jose Iglesias to a minor league contract and invited him to spring training. |
| Feb 23, 2019 | Signed as free agent | Josh Harrison | — | Detroit Tigers | Detroit Tigers signed free agent 2B Josh Harrison. |
| Feb 23, 2019 | Signed as free agent | Tyler Clippard | — | Cleveland Guardians | Cleveland Indians signed free agent RHP Tyler Clippard to a minor league contract and invited him to spring training. |
| Feb 23, 2019 | Signed as free agent | Mario Doble | — | Miami Marlins | Miami Marlins signed free agent RHP Mario Doble to a minor league contract. |
| Feb 23, 2019 | Signed as free agent | Fausto Pediet | — | Philadelphia Phillies | Philadelphia Phillies signed free agent RHP Fausto Pediet to a minor league contract. |
| Feb 23, 2019 | Signed as free agent | Ivan Perez | — | Miami Marlins | Miami Marlins signed free agent LHP Ivan Perez to a minor league contract. |
| Feb 23, 2019 | Signed as free agent | Guillermo Ramirez | — | Miami Marlins | Miami Marlins signed free agent RHP Guillermo Ramirez to a minor league contract. |
| Feb 22, 2019 | Signed as free agent | Matt Snyder | — | Miami Marlins | Miami Marlins signed free agent 1B Matt Snyder to a minor league contract. |
| Feb 21, 2019 | Signed as free agent | Manny Machado | — | San Diego Padres | San Diego Padres signed free agent SS Manny Machado. |
| Feb 21, 2019 | Signed as free agent | Jose Hernandez | — | New York Mets | New York Mets signed free agent C Jose Hernandez to a minor league contract. |
| Feb 21, 2019 | Signed as free agent | Trevor Plouffe | — | Philadelphia Phillies | Philadelphia Phillies signed free agent 3B Trevor Plouffe to a minor league contract and invited him to spring training. |
| Feb 21, 2019 | Signed as free agent | D.C. Arendas | — | Los Angeles Angels | Los Angeles Angels signed free agent 2B D.C. Arendas to a minor league contract. |
| Feb 21, 2019 | Signed as free agent | Jesus Chavez | — | Baltimore Orioles | Baltimore Orioles signed free agent LHP Jesus Chavez to a minor league contract. |
| Feb 20, 2019 | Signed as free agent | Argenys Dominguez | — | Pittsburgh Pirates | Pittsburgh Pirates signed free agent RHP Argenys Dominguez to a minor league contract. |
| Feb 20, 2019 | Signed as free agent | Peniel Mena | — | Texas Rangers | Texas Rangers signed free agent RHP Peniel Mena to a minor league contract. |
| Feb 20, 2019 | Signed as free agent | Dahan Batista | — | Cleveland Guardians | Cleveland Indians signed free agent RHP Dahan Batista to a minor league contract. |
| Feb 20, 2019 | Signed as free agent | Enmanuel Mejia | — | Pittsburgh Pirates | Pittsburgh Pirates signed free agent RHP Enmanuel Mejia to a minor league contract. |
| Feb 20, 2019 | Signed as free agent | Nelcido Ramos | — | Kansas City Royals | Kansas City Royals signed free agent RHP Nelcido Ramos to a minor league contract. |
| Feb 20, 2019 | Signed as free agent | Hugo Villalobos | — | Cleveland Guardians | Cleveland Indians signed free agent RHP Hugo Villalobos to a minor league contract. |
| Feb 20, 2019 | Signed as free agent | Eudrys Manon | — | Texas Rangers | Texas Rangers signed free agent RHP Eudrys Manon to a minor league contract. |
| Feb 20, 2019 | Signed as free agent | Adrian Florencio | — | Pittsburgh Pirates | Pittsburgh Pirates signed free agent RHP Adrian Florencio to a minor league contract. |
| Feb 20, 2019 | Signed as free agent | Angel Brito | — | Kansas City Royals | Kansas City Royals signed free agent RHP Angel Brito to a minor league contract. |
| Feb 20, 2019 | Signed as free agent | Ryan Scott | — | Los Angeles Angels | Los Angeles Angels signed free agent C Ryan Scott to a minor league contract. |
| Feb 20, 2019 | Signed as free agent | Ryan Feierabend | — | Toronto Blue Jays | Toronto Blue Jays signed free agent LHP Ryan Feierabend to a minor league contract and invited him to spring training. |
| Feb 19, 2019 | Signed as free agent | Mike Moustakas | — | Milwaukee Brewers | Milwaukee Brewers signed free agent 2B Mike Moustakas. |
| Feb 19, 2019 | Signed as free agent | Derek Dietrich | — | Cincinnati Reds | Cincinnati Reds signed free agent LF Derek Dietrich to a minor league contract and invited him to spring training. |
| Feb 19, 2019 | Signed as free agent | Ariel Yera | — | New York Mets | New York Mets signed free agent C Ariel Yera to a minor league contract. |
| Feb 19, 2019 | Signed as free agent | Carlos Castro | — | New York Mets | New York Mets signed free agent RHP Carlos Castro to a minor league contract. |
| Feb 19, 2019 | Signed as free agent | Miguel Jarrett | — | Los Angeles Dodgers | Los Angeles Dodgers signed free agent RHP Miguel Jarrett to a minor league contract. |
| Feb 19, 2019 | Signed as free agent | Ramón Torres | — | Chicago White Sox | Chicago White Sox signed free agent SS Ramon Torres to a minor league contract. |
| Feb 19, 2019 | Signed as free agent | Tyler Pill | — | Texas Rangers | Texas Rangers signed free agent RHP Tyler Pill to a minor league contract. |
| Feb 18, 2019 | Signed as free agent | Adeiny Hechavarría | — | New York Mets | New York Mets signed free agent SS Adeiny Hechavarria to a minor league contract and invited him to spring training. |
| Feb 18, 2019 | Signed as free agent | Rookie Davis | — | Pittsburgh Pirates | Pittsburgh Pirates signed free agent RHP Rookie Davis to a minor league contract and invited him to spring training. |
| Feb 18, 2019 | Signed as free agent | Luke Bard | — | Los Angeles Angels | Los Angeles Angels signed free agent RHP Luke Bard to a minor league contract and invited him to spring training. |
| Feb 18, 2019 | Signed as free agent | Cameron Maybin | — | San Francisco Giants | San Francisco Giants signed free agent LF Cameron Maybin to a minor league contract and invited him to spring training. |
| Feb 18, 2019 | Signed as free agent | Yangervis Solarte | — | San Francisco Giants | San Francisco Giants signed free agent 3B Yangervis Solarte to a minor league contract and invited him to spring training. |
| Feb 18, 2019 | Signed as free agent | Marcos Molina | — | Baltimore Orioles | Baltimore Orioles signed free agent RHP Marcos Molina to a minor league contract. |
| Feb 17, 2019 | Signed as free agent | Aaron Loup | — | San Diego Padres | San Diego Padres signed free agent LHP Aaron Loup. |
| Feb 17, 2019 | Signed as free agent | Ben Revere | — | Texas Rangers | Texas Rangers signed free agent LF Ben Revere to a minor league contract and invited him to spring training. |
| Feb 17, 2019 | Signed as free agent | Oscar Pierret | — | Baltimore Orioles | Baltimore Orioles signed free agent RHP Oscar Pierret to a minor league contract. |
| Feb 17, 2019 | Signed as free agent | Yan Lara | — | Baltimore Orioles | Baltimore Orioles signed free agent LHP Yan Lara to a minor league contract. |
| Feb 17, 2019 | Signed as free agent | Jordany Vasquez | — | Baltimore Orioles | Baltimore Orioles signed free agent RHP Jordany Vasquez to a minor league contract. |
| Feb 17, 2019 | Signed as free agent | Paco Rodríguez | — | San Diego Padres | San Diego Padres signed free agent LHP Paco Rodriguez to a minor league contract. |
| Feb 17, 2019 | Signed as free agent | Elvis Araujo | — | Miami Marlins | Miami Marlins signed free agent LHP Elvis Araujo to a minor league contract. |
| Feb 16, 2019 | Signed as free agent | Alcides Escobar | — | Baltimore Orioles | Baltimore Orioles signed free agent SS Alcides Escobar to a minor league contract and invited him to spring training. |
| Feb 16, 2019 | Signed as free agent | John Axford | — | Toronto Blue Jays | Toronto Blue Jays signed free agent RHP John Axford to a minor league contract and invited him to spring training. |
| Feb 16, 2019 | Signed as free agent | Adam Moore | — | Texas Rangers | Texas Rangers signed free agent C Adam Moore to a minor league contract and invited him to spring training. |
| Feb 16, 2019 | Signed as free agent | Dan Jennings | — | Los Angeles Angels | Los Angeles Angels signed free agent LHP Dan Jennings to a minor league contract and invited him to spring training. |
| Feb 16, 2019 | Signed as free agent | Many Reyes | — | Cincinnati Reds | Cincinnati Reds signed free agent RHP Many Reyes to a minor league contract. |
| Feb 15, 2019 | Signed as free agent | Sergio Romo | — | Miami Marlins | Miami Marlins signed free agent RHP Sergio Romo. |
| Feb 15, 2019 | Signed as free agent | Robbie Grossman | — | Athletics | Oakland Athletics signed free agent RF Robbie Grossman. |
| Feb 15, 2019 | Signed as free agent | Jay Jackson | — | Milwaukee Brewers | Milwaukee Brewers signed free agent RHP Jay Jackson to a minor league contract and invited him to spring training. |
| Feb 15, 2019 | Signed as free agent | Drew Storen | — | Kansas City Royals | Kansas City Royals signed free agent RHP Drew Storen to a minor league contract and invited him to spring training. |
| Feb 15, 2019 | Signed as free agent | Cliff Pennington | — | Athletics | Oakland Athletics signed free agent SS Cliff Pennington to a minor league contract and invited him to spring training. |
| Feb 15, 2019 | Signed as free agent | Develson Aria | — | Minnesota Twins | Minnesota Twins signed free agent LHP Develson Aria to a minor league contract. |
| Feb 15, 2019 | Signed as free agent | Jose Moreno | — | Atlanta Braves | Atlanta Braves signed free agent LHP Jose Moreno to a minor league contract. |
| Feb 15, 2019 | Signed as free agent | Juan Pichardo | — | Minnesota Twins | Minnesota Twins signed free agent LHP Juan Pichardo to a minor league contract. |
| Feb 15, 2019 | Signed as free agent | Geraldo Quintero | — | Atlanta Braves | Atlanta Braves signed free agent SS Geraldo Quintero to a minor league contract. |
| Feb 14, 2019 | Signed as free agent | Tim Federowicz | — | Cleveland Guardians | Cleveland Indians signed free agent C Tim Federowicz to a minor league contract and invited him to spring training. |
| Feb 14, 2019 | Signed as free agent | Asher Wojciechowski | — | Cleveland Guardians | Cleveland Indians signed free agent RHP Asher Wojciechowski to a minor league contract and invited him to spring training. |
| Feb 14, 2019 | Signed as free agent | Gerardo Parra | — | San Francisco Giants | San Francisco Giants signed free agent LF Gerardo Parra to a minor league contract and invited him to spring training. |
| Feb 14, 2019 | Signed as free agent | Xavier Cedeño | — | Chicago Cubs | Chicago Cubs signed free agent LHP Xavier Cedeno. |
| Feb 14, 2019 | Signed as free agent | Tyler Alexander | — | Athletics | Oakland Athletics signed free agent LHP Tyler Alexander to a minor league contract and invited him to spring training. |
| Feb 13, 2019 | Signed as free agent | Brett Anderson | — | Athletics | Oakland Athletics signed free agent LHP Brett Anderson. |
| Feb 13, 2019 | Signed as free agent | Caleb Joseph | — | Arizona Diamondbacks | Arizona Diamondbacks signed free agent Caleb Joseph. |
| Feb 13, 2019 | Trade | Trevor Gott | Washington Nationals | San Francisco Giants | Washington Nationals traded RHP Trevor Gott to San Francisco Giants for cash. |
| Feb 13, 2019 | Signed as free agent | Jake Diekman | — | Kansas City Royals | Kansas City Royals signed free agent LHP Jake Diekman. |
| Feb 13, 2019 | Signed as free agent | Jandel Gustave | — | San Francisco Giants | San Francisco Giants signed free agent RHP Jandel Gustave to a minor league contract and invited him to spring training. |
| Feb 13, 2019 | Signed as free agent | Daniel Hudson | — | Los Angeles Angels | Los Angeles Angels signed free agent RHP Daniel Hudson to a minor league contract and invited him to spring training. |
| Feb 12, 2019 | Signed | Aaron Barrett | — | Washington Nationals | Washington Nationals signed RHP Aaron Barrett. |
| Feb 12, 2019 | Signed as free agent | Scott Copeland | — | Washington Nationals | Washington Nationals signed free agent RHP Scott Copeland to a minor league contract and invited him to spring training. |
| Feb 12, 2019 | Signed as free agent | J.J. Hoover | — | Washington Nationals | Washington Nationals signed free agent RHP J.J. Hoover to a minor league contract and invited him to spring training. |
| Feb 12, 2019 | Signed as free agent | Vidal Nuño | — | Washington Nationals | Washington Nationals signed free agent LHP Vidal Nuno III to a minor league contract and invited him to spring training. |
| Feb 12, 2019 | Signed as free agent | Brandon Snyder | — | Washington Nationals | Washington Nationals signed free agent 3B Brandon Snyder to a minor league contract and invited him to spring training. |
| Feb 12, 2019 | Signed as free agent | Hunter Jones | — | Washington Nationals | Washington Nationals signed free agent CF Hunter Jones to a minor league contract and invited him to spring training. |
| Feb 12, 2019 | Signed as free agent | René Rivera | — | San Francisco Giants | San Francisco Giants signed free agent C Rene Rivera to a minor league contract and invited him to spring training. |
| Feb 12, 2019 | Signed as free agent | Stephen Vogt | — | San Francisco Giants | San Francisco Giants signed free agent C Stephen Vogt to a minor league contract and invited him to spring training. |
| Feb 12, 2019 | Signed as free agent | Brandon Guyer | — | Chicago White Sox | Chicago White Sox signed free agent OF Brandon Guyer to a minor league contract and invited him to spring training. |
| Feb 12, 2019 | Signed as free agent | Armando Vasquez | — | Cincinnati Reds | Cincinnati Reds signed free agent LHP Armando Vasquez to a minor league contract. |
| Feb 11, 2019 | Signed as free agent | Brad Brach | — | Chicago Cubs | Chicago Cubs signed free agent RHP Brad Brach. |
| Feb 11, 2019 | Signed as free agent | Melky Cabrera | — | Pittsburgh Pirates | Pittsburgh Pirates signed free agent OF Melky Cabrera to a minor league contract and invited him to spring training. |
| Feb 11, 2019 | Signed as free agent | Zach Duke | — | Cincinnati Reds | Cincinnati Reds signed free agent LHP Zach Duke. |
| Feb 11, 2019 | Signed as free agent | Christopher Soriano | — | Philadelphia Phillies | Philadelphia Phillies signed free agent LHP Christopher Soriano to a minor league contract. |
| Feb 11, 2019 | Signed as free agent | Eduar Pimentel | — | St. Louis Cardinals | St. Louis Cardinals signed free agent RHP Eduar Pimentel to a minor league contract. |
| Feb 11, 2019 | Signed as free agent | Miguel Rojas | — | Boston Red Sox | Boston Red Sox signed free agent C Miguel Rojas to a minor league contract. |
| Feb 11, 2019 | Signed as free agent | Yonael Dominguez | — | St. Louis Cardinals | St. Louis Cardinals signed free agent RHP Yonael Dominguez to a minor league contract. |
| Feb 11, 2019 | Signed as free agent | Eric Young Jr. | — | Baltimore Orioles | Baltimore Orioles signed free agent LF Eric Young Jr. to a minor league contract and invited him to spring training. |
| Feb 11, 2019 | Signed as free agent | Drew Butera | — | Philadelphia Phillies | Philadelphia Phillies signed free agent C Drew Butera to a minor league contract and invited him to spring training. |
| Feb 11, 2019 | Signed as free agent | Nick Hundley | — | Athletics | Oakland Athletics signed free agent C Nick Hundley to a minor league contract and invited him to spring training. |
| Feb 11, 2019 | Signed as free agent | Jonathan Schwind | — | Pittsburgh Pirates | Pittsburgh Pirates signed free agent OF Jonathan Schwind to a minor league contract. |
| Feb 10, 2019 | Signed as free agent | Andres Sotillo | — | Toronto Blue Jays | Toronto Blue Jays signed free agent C Andres Sotillo to a minor league contract. |
| Feb 9, 2019 | Signed as free agent | Homer Bailey | — | Kansas City Royals | Kansas City Royals signed free agent RHP Homer Bailey to a minor league contract and invited him to spring training. |
| Feb 9, 2019 | Signed as free agent | Lucas Duda | — | Minnesota Twins | Minnesota Twins signed free agent 1B Lucas Duda to a minor league contract and invited him to spring training. |
| Feb 9, 2019 | Signed as free agent | Matt Joyce | — | Cleveland Guardians | Cleveland Indians signed free agent LF Matt Joyce to a minor league contract and invited him to spring training. |
| Feb 9, 2019 | Signed as free agent | Alex Wilson | — | Cleveland Guardians | Cleveland Indians signed free agent RHP Alex Wilson to a minor league contract and invited him to spring training. |
| Feb 9, 2019 | Signed as free agent | Erick Thomas | — | St. Louis Cardinals | St. Louis Cardinals signed free agent IF Erick Thomas to a minor league contract. |
| Feb 9, 2019 | Signed as free agent | Tyler Cloyd | — | Tampa Bay Rays | Tampa Bay Rays signed free agent RHP Tyler Cloyd to a minor league contract and invited him to spring training. |
| Feb 8, 2019 | Signed as free agent | Danny Espinosa | — | New York Mets | New York Mets signed free agent 2B Danny Espinosa to a minor league contract and invited him to spring training. |
| Feb 8, 2019 | Signed as free agent | Marc Rzepczynski | — | Arizona Diamondbacks | Arizona Diamondbacks signed free agent LHP Marc Rzepczynski to a minor league contract and invited him to spring training. |
| Feb 8, 2019 | Signed as free agent | Ricky Nolasco | — | Arizona Diamondbacks | Arizona Diamondbacks signed free agent RHP Ricky Nolasco to a minor league contract and invited him to spring training. |
| Feb 8, 2019 | Signed as free agent | Jeremy Hellickson | — | Washington Nationals | Washington Nationals signed free agent RHP Jeremy Hellickson. |
| Feb 8, 2019 | Signed as free agent | Lucas Luetge | — | Arizona Diamondbacks | Arizona Diamondbacks signed free agent LHP Lucas Luetge to a minor league contract. |
| Feb 8, 2019 | Signed as free agent | Michael Kohn | — | Arizona Diamondbacks | Arizona Diamondbacks signed free agent RHP Michael Kohn to a minor league contract and invited him to spring training. |
| Feb 8, 2019 | Signed as free agent | Adam Rosales | — | Minnesota Twins | Minnesota Twins signed free agent 2B Adam Rosales to a minor league contract and invited him to spring training. |
| Feb 8, 2019 | Signed as free agent | Sean Rodríguez | — | Philadelphia Phillies | Philadelphia Phillies signed free agent 2B Sean Rodriguez to a minor league contract and invited him to spring training. |
| Feb 8, 2019 | Signed as free agent | Logan Verrett | — | Athletics | Oakland Athletics signed free agent RHP Logan Verrett to a minor league contract. |
| Feb 8, 2019 | Signed as free agent | Logan Ondrusek | — | Washington Nationals | Washington Nationals signed free agent RHP Logan Ondrusek to a minor league contract. |
| Feb 7, 2019 | Signed as free agent | Devin Mesoraco | — | New York Mets | New York Mets signed free agent C Devin Mesoraco to a minor league contract and invited him to spring training. |
| Feb 7, 2019 | Trade | Will Stewart | Philadelphia Phillies | Miami Marlins | Miami Marlins traded C J.T. Realmuto to Philadelphia Phillies for C Jorge Alfaro, RHP Sixto Sanchez, LHP Will Stewart and Future Considerations. |
| Feb 7, 2019 | Signed as free agent | Ryan Flaherty | — | Cleveland Guardians | Cleveland Indians signed free agent 3B Ryan Flaherty to a minor league contract and invited him to spring training. |
| Feb 7, 2019 | Signed as free agent | Dioner Navarro | — | Cleveland Guardians | Cleveland Indians signed free agent C Dioner Navarro to a minor league contract and invited him to spring training. |
| Feb 7, 2019 | Signed as free agent | Hunter Pence | — | Texas Rangers | Texas Rangers signed free agent OF Hunter Pence to a minor league contract and invited him to spring training. |
| Feb 7, 2019 | Signed as free agent | Matt Davidson | — | Texas Rangers | Texas Rangers signed free agent 1B Matt Davidson to a minor league contract and invited him to spring training. |
| Feb 7, 2019 | Signed as free agent | Nate Karns | — | Baltimore Orioles | Baltimore Orioles signed free agent RHP Nate Karns. |
| Feb 7, 2019 | Signed as free agent | Brad Boxberger | — | Kansas City Royals | Kansas City Royals signed free agent RHP Brad Boxberger. |
| Feb 7, 2019 | Signed as free agent | Leyner Ponce | — | Minnesota Twins | Minnesota Twins signed free agent RHP Leyner Ponce to a minor league contract. |
| Feb 7, 2019 | Signed as free agent | Josh Tomlin | — | Milwaukee Brewers | Milwaukee Brewers signed free agent RHP Josh Tomlin to a minor league contract and invited him to spring training. |
| Feb 7, 2019 | Signed as free agent | Sherman Johnson | — | Cincinnati Reds | Cincinnati Reds signed free agent 2B Sherman Johnson to a minor league contract. |
| Feb 6, 2019 | Signed as free agent | Nick Franklin | — | Pittsburgh Pirates | Pittsburgh Pirates signed free agent 2B Nick Franklin to a minor league contract and invited him to spring training. |
| Feb 6, 2019 | Signed as free agent | Peter Lambert | — | Colorado Rockies | Colorado Rockies signed free agent RHP Peter Lambert to a minor league contract and invited him to spring training. |
| Feb 6, 2019 | Signed as free agent | Matt Pierpont | — | Colorado Rockies | Colorado Rockies signed free agent RHP Matt Pierpont to a minor league contract and invited him to spring training. |
| Feb 6, 2019 | Signed as free agent | Brett Nicholas | — | Colorado Rockies | Colorado Rockies signed free agent C Brett Nicholas to a minor league contract and invited him to spring training. |
| Feb 6, 2019 | Signed as free agent | Tim Collins | — | Minnesota Twins | Minnesota Twins signed free agent LHP Tim Collins. |
| Feb 6, 2019 | Signed as free agent | Justin Nicolino | — | Minnesota Twins | Minnesota Twins signed free agent LHP Justin Nicolino to a minor league contract and invited him to spring training. |
| Feb 6, 2019 | Signed as free agent | Raul Mora | — | Pittsburgh Pirates | Pittsburgh Pirates signed free agent LHP Raul Mora to a minor league contract. |
| Feb 6, 2019 | Signed as free agent | Wilber Sanchez | — | Chicago White Sox | Chicago White Sox signed free agent SS Wilber Sanchez to a minor league contract. |
| Feb 6, 2019 | Signed as free agent | Wilkin Valdez | — | Pittsburgh Pirates | Pittsburgh Pirates signed free agent RHP Wilkin Valdez to a minor league contract. |
| Feb 6, 2019 | Signed as free agent | Jason Coats | — | Tampa Bay Rays | Tampa Bay Rays signed free agent OF Jason Coats to a minor league contract and invited him to spring training. |
| Feb 6, 2019 | Signed as free agent | Tom Koehler | — | Pittsburgh Pirates | Pittsburgh Pirates signed free agent RHP Tom Koehler to a minor league contract. |
| Feb 5, 2019 | Signed as free agent | Curtis Granderson | — | Miami Marlins | Miami Marlins signed free agent OF Curtis Granderson to a minor league contract and invited him to spring training. |
| Feb 5, 2019 | Trade | Jake Barrett | Arizona Diamondbacks | San Francisco Giants | Arizona Diamondbacks traded RHP Jake Barrett to San Francisco Giants for cash. |
| Feb 5, 2019 | Signed as free agent | Lazaro Leal | — | Chicago White Sox | Chicago White Sox signed free agent OF Lazaro Leal to a minor league contract. |
| Feb 5, 2019 | Signed as free agent | Luis Arias | — | Arizona Diamondbacks | Arizona Diamondbacks signed free agent RHP Luis Arias to a minor league contract. |
| Feb 5, 2019 | Signed as free agent | Jesús Sucre | — | Baltimore Orioles | Baltimore Orioles signed free agent C Jesus Sucre to a minor league contract and invited him to spring training. |
| Feb 5, 2019 | Signed as free agent | Jerry Blevins | — | Athletics | Oakland Athletics signed free agent LHP Jerry Blevins to a minor league contract and invited him to spring training. |
| Feb 5, 2019 | Signed as free agent | Ty Kelly | — | Los Angeles Angels | Los Angeles Angels signed free agent 2B Ty Kelly to a minor league contract. |
| Feb 4, 2019 | Trade | Nick Wittgren | Miami Marlins | Cleveland Guardians | Miami Marlins traded RHP Nick Wittgren to Cleveland Indians for RHP Jordan Milbrath. |
| Feb 4, 2019 | Signed as free agent | Jordany Valdespin | — | Minnesota Twins | Minnesota Twins signed free agent 2B Jordany Valdespin to a minor league contract. |
| Feb 4, 2019 | Signed as free agent | Kevin Comer | — | Minnesota Twins | Minnesota Twins signed free agent RHP Kevin Comer to a minor league contract. |
| Feb 4, 2019 | Signed as free agent | Wilin Rosario | — | Minnesota Twins | Minnesota Twins signed free agent 1B Wilin Rosario to a minor league contract. |
| Feb 4, 2019 | Signed as free agent | Pat Dean | — | Minnesota Twins | Minnesota Twins signed free agent LHP Pat Dean to a minor league contract. |
| Feb 4, 2019 | Signed as free agent | Adam Atkins | — | Minnesota Twins | Minnesota Twins signed free agent RHP Adam Atkins to a minor league contract. |
| Feb 4, 2019 | Signed as free agent | Francisco Liriano | — | Pittsburgh Pirates | Pittsburgh Pirates signed free agent LHP Francisco Liriano to a minor league contract and invited him to spring training. |
| Feb 4, 2019 | Signed as free agent | Darel Belen | — | Boston Red Sox | Boston Red Sox signed free agent OF Darel Belen to a minor league contract. |
| Feb 4, 2019 | Signed as free agent | Robert Robbins | — | Chicago Cubs | Chicago Cubs signed free agent RHP Robert Robbins to a minor league contract. |
| Feb 3, 2019 | Signed as free agent | Jhongel Malaver | — | Philadelphia Phillies | Philadelphia Phillies signed free agent RHP Jhongel Malaver to a minor league contract. |
| Feb 3, 2019 | Signed as free agent | Jose Garcia | — | Los Angeles Dodgers | Los Angeles Dodgers signed free agent C Jose Garcia to a minor league contract. |
| Feb 2, 2019 | Signed as free agent | Omar De Los Santos | — | New York Mets | New York Mets signed free agent OF Omar De Los Santos to a minor league contract. |
| Feb 2, 2019 | Signed as free agent | Luke Hagerty | — | Chicago Cubs | Chicago Cubs signed free agent LHP Luke Hagerty to a minor league contract. |
| Feb 2, 2019 | Signed as free agent | Claudio Custodio | — | Atlanta Braves | Atlanta Braves signed free agent RHP Claudio Custodio to a minor league contract. |
| Feb 1, 2019 | Signed as free agent | Wade Miley | — | Houston Astros | Houston Astros signed free agent LHP Wade Miley. |
| Feb 1, 2019 | Signed as free agent | David Hale | — | New York Yankees | New York Yankees signed free agent RHP David Hale to a minor league contract and invited him to spring training. |
| Feb 1, 2019 | Signed as free agent | Jorge Saez | — | New York Yankees | New York Yankees signed free agent C Jorge Saez to a minor league contract and invited him to spring training. |
| Feb 1, 2019 | Signed as free agent | Jason Hammel | — | Texas Rangers | Texas Rangers signed free agent RHP Jason Hammel to a minor league contract and invited him to spring training. |
| Feb 1, 2019 | Signed as free agent | Tony Barnette | — | Chicago Cubs | Chicago Cubs signed free agent RHP Tony Barnette. |
| Feb 1, 2019 | Signed as free agent | Bladimir De La Rosa | — | Los Angeles Dodgers | Los Angeles Dodgers signed free agent SS Bladimir De La Rosa to a minor league contract. |
| Feb 1, 2019 | Signed as free agent | Maximiguel Rudecindo | — | Detroit Tigers | Detroit Tigers signed free agent RHP Maximiguel Rudecindo to a minor league contract. |
| Feb 1, 2019 | Signed as free agent | Andrew Owen | — | St. Louis Cardinals | St. Louis Cardinals signed free agent RHP Andrew Owen to a minor league contract. |
| Feb 1, 2019 | Signed as free agent | Ben Moore | — | Los Angeles Dodgers | Los Angeles Dodgers signed free agent C Ben Moore to a minor league contract. |
| Feb 1, 2019 | Signed as free agent | Jonathan Aro | — | Atlanta Braves | Atlanta Braves signed free agent RHP Jonathan Aro to a minor league contract. |
| Feb 1, 2019 | Signed as free agent | Ariel Montesino | — | Atlanta Braves | Atlanta Braves signed free agent SS Ariel Montesino to a minor league contract. |
| Jan 31, 2019 | Signed as free agent | Greg Holland | — | Arizona Diamondbacks | Arizona Diamondbacks signed free agent RHP Greg Holland. |
| Jan 31, 2019 | Signed as free agent | Lisandro Marin | — | Detroit Tigers | Detroit Tigers signed free agent RHP Lisandro Marin to a minor league contract. |
| Jan 31, 2019 | Signed as free agent | Brandon Marklund | — | Kansas City Royals | Kansas City Royals signed free agent RHP Brandon Marklund to a minor league contract. |
| Jan 31, 2019 | Signed as free agent | Angel Franco | — | Kansas City Royals | Kansas City Royals signed free agent IF Angel Franco to a minor league contract. |
| Jan 30, 2019 | Signed as free agent | Ian Krol | — | Cincinnati Reds | Cincinnati Reds signed free agent LHP Ian Krol to a minor league contract and invited him to spring training. |
| Jan 30, 2019 | Signed as free agent | Jenrry Mejia | — | Boston Red Sox | Boston Red Sox signed free agent RHP Jenrry Mejia to a minor league contract. |
| Jan 30, 2019 | Signed as free agent | Martín Pérez | — | Minnesota Twins | Minnesota Twins signed free agent LHP Martin Perez. |
| Jan 30, 2019 | Signed as free agent | Brandon Maurer | — | Pittsburgh Pirates | Pittsburgh Pirates signed free agent RHP Brandon Maurer to a minor league contract and invited him to spring training. |
| Jan 30, 2019 | Signed as free agent | JB Shuck | — | Pittsburgh Pirates | Pittsburgh Pirates signed free agent LF JB Shuck to a minor league contract and invited him to spring training. |
| Jan 30, 2019 | Signed as free agent | Jose Campos | — | Pittsburgh Pirates | Pittsburgh Pirates signed free agent RHP Vicente Campos to a minor league contract. |
| Jan 30, 2019 | Signed as free agent | Daniel Juarez | — | New York Mets | New York Mets signed free agent LHP Daniel Juarez to a minor league contract. |
| Jan 30, 2019 | Signed as free agent | Endy Estrada | — | Arizona Diamondbacks | Arizona Diamondbacks signed free agent OF Endy Estrada to a minor league contract. |
| Jan 30, 2019 | Signed as free agent | Jesus Rivas | — | New York Mets | New York Mets signed free agent RHP Jesus Rivas to a minor league contract. |
| Jan 30, 2019 | Signed as free agent | Melvin Arteaga | — | New York Mets | New York Mets signed free agent RHP Melvin Arteaga to a minor league contract. |
| Jan 30, 2019 | Signed as free agent | Dyron Campos | — | New York Mets | New York Mets signed free agent OF Dyron Campos to a minor league contract. |
| Jan 30, 2019 | Signed as free agent | Mark Reynolds | — | Colorado Rockies | Colorado Rockies signed free agent 1B Mark Reynolds to a minor league contract and invited him to spring training. |
| Jan 30, 2019 | Signed as free agent | Wei-Chung Wang | — | Athletics | Oakland Athletics signed free agent LHP Wei-Chung Wang to a minor league contract and invited him to spring training. |
| Jan 29, 2019 | Signed as free agent | Freddy Galvis | — | Toronto Blue Jays | Toronto Blue Jays signed free agent SS Freddy Galvis. |
| Jan 29, 2019 | Signed as free agent | Neil Walker | — | Miami Marlins | Miami Marlins signed free agent 1B Neil Walker. |
| Jan 29, 2019 | Signed as free agent | Shawn Kelley | — | Texas Rangers | Texas Rangers signed free agent RHP Shawn Kelley. |
| Jan 29, 2019 | Signed as free agent | Nestor Bermudez | — | Atlanta Braves | Atlanta Braves signed free agent LHP Nestor Bermudez to a minor league contract. |
| Jan 29, 2019 | Signed as free agent | Eliezer Mejia | — | Seattle Mariners | Seattle Mariners signed free agent LHP Eliezer Mejia to a minor league contract. |
| Jan 29, 2019 | Signed as free agent | Roberto Policard | — | Atlanta Braves | Atlanta Braves signed free agent LHP Roberto Policard to a minor league contract. |
| Jan 29, 2019 | Signed as free agent | Jeremy Celedonio | — | Atlanta Braves | Atlanta Braves signed free agent OF Jeremy Celedonio to a minor league contract. |
| Jan 29, 2019 | Signed as free agent | Ezequiel Carrera | — | Los Angeles Dodgers | Los Angeles Dodgers signed free agent OF Ezequiel Carrera to a minor league contract and invited him to spring training. |
| Jan 29, 2019 | Signed as free agent | Skyler Ewing | — | Milwaukee Brewers | Milwaukee Brewers signed free agent C Skyler Ewing to a minor league contract. |
| Jan 28, 2019 | Signed as free agent | Emilio Bonifácio | — | Tampa Bay Rays | Tampa Bay Rays signed free agent 2B Emilio Bonifacio to a minor league contract and invited him to spring training. |
| Jan 28, 2019 | Signed as free agent | Ricardo Pinto | — | Tampa Bay Rays | Tampa Bay Rays signed free agent RHP Ricardo Pinto to a minor league contract and invited him to spring training. |
| Jan 28, 2019 | Signed as free agent | Casey Sadler | — | Tampa Bay Rays | Tampa Bay Rays signed free agent RHP Casey Sadler to a minor league contract and invited him to spring training. |
| Jan 28, 2019 | Signed as free agent | Luis Santos | — | Tampa Bay Rays | Tampa Bay Rays signed free agent RHP Luis Santos to a minor league contract and invited him to spring training. |
| Jan 28, 2019 | Signed as free agent | Mike Olt | — | Minnesota Twins | Minnesota Twins signed free agent 3B Mike Olt to a minor league contract. |
| Jan 28, 2019 | Signed as free agent | DJ Baxendale | — | Minnesota Twins | Minnesota Twins signed free agent RHP D.J. Baxendale to a minor league contract. |
| Jan 28, 2019 | Signed as free agent | Justin Wilson | — | New York Mets | New York Mets signed free agent LHP Justin Wilson. |
| Jan 28, 2019 | Signed as free agent | Yoldi Pimentel | — | Detroit Tigers | Detroit Tigers signed free agent RHP Yoldi Pimentel to a minor league contract. |
| Jan 28, 2019 | Signed as free agent | Jaison Brete | — | Detroit Tigers | Detroit Tigers signed free agent RHP Jaison Brete to a minor league contract. |
| Jan 28, 2019 | Signed as free agent | Aldo Lora | — | Washington Nationals | Washington Nationals signed free agent LHP Aldo Lora to a minor league contract. |
| Jan 28, 2019 | Signed as free agent | Frank Rodriguez | — | Los Angeles Dodgers | Los Angeles Dodgers signed free agent C Frank Rodriguez to a minor league contract. |
| Jan 28, 2019 | Signed as free agent | Eduardo Garcia | — | Kansas City Royals | Kansas City Royals signed free agent SS Eduardo Garcia to a minor league contract. |
| Jan 27, 2019 | Signed | Hunter Strickland | — | Seattle Mariners | Seattle Mariners signed RHP Hunter Strickland. |
| Jan 27, 2019 | Signed as free agent | Allen Webster | — | Chicago Cubs | Chicago Cubs signed free agent RHP Allen Webster to a minor league contract and invited him to spring training. |
| Jan 26, 2019 | Signed as free agent | AJ Pollock | — | Los Angeles Dodgers | Los Angeles Dodgers signed free agent CF A.J. Pollock. |
| Jan 26, 2019 | Signed as free agent | Benjamin Arias | — | St. Louis Cardinals | St. Louis Cardinals signed free agent RHP Benjamin Arias to a minor league contract. |
| Jan 26, 2019 | Signed as free agent | Hancel Rincon | — | St. Louis Cardinals | St. Louis Cardinals signed free agent RHP Hancel Rincon to a minor league contract. |
| Jan 26, 2019 | Signed as free agent | Junichi Tazawa | — | Chicago Cubs | Chicago Cubs signed free agent RHP Junichi Tazawa to a minor league contract and invited him to spring training. |
| Jan 25, 2019 | Signed as free agent | Oliver Pérez | — | Cleveland Guardians | Cleveland Indians signed free agent LHP Oliver Perez. |
| Jan 25, 2019 | Signed as free agent | Marco Estrada | — | Athletics | Oakland Athletics signed free agent RHP Marco Estrada. |
| Jan 25, 2019 | Signed as free agent | George Kontos | — | Chicago Cubs | Chicago Cubs signed free agent RHP George Kontos to a minor league contract and invited him to spring training. |
| Jan 24, 2019 | Signed as free agent | Ichiro Suzuki | — | Seattle Mariners | Seattle Mariners signed free agent RF Ichiro Suzuki to a minor league contract and invited him to spring training. |
| Jan 24, 2019 | Signed as free agent | Jorgan Cavanerio | — | Seattle Mariners | Seattle Mariners signed free agent RHP Jorgan Cavanerio to a minor league contract and invited him to spring training. |
| Jan 24, 2019 | Signed as free agent | Nabil Crismatt | — | Seattle Mariners | Seattle Mariners signed free agent RHP Nabil Crismatt to a minor league contract and invited him to spring training. |
| Jan 24, 2019 | Signed as free agent | Robinson Leyer | — | Seattle Mariners | Seattle Mariners signed free agent RHP Robin Leyer to a minor league contract and invited him to spring training. |
| Jan 24, 2019 | Signed as free agent | Tommy Milone | — | Seattle Mariners | Seattle Mariners signed free agent LHP Tommy Milone to a minor league contract and invited him to spring training. |
| Jan 24, 2019 | Signed as free agent | Jose Lobatón | — | Seattle Mariners | Seattle Mariners signed free agent C Jose Lobaton to a minor league contract and invited him to spring training. |
| Jan 24, 2019 | Signed as free agent | Tyler Danish | — | Seattle Mariners | Seattle Mariners signed free agent RHP Tyler Danish to a minor league contract and invited him to spring training. |
| Jan 24, 2019 | Signed as free agent | Tayler Scott | — | Seattle Mariners | Seattle Mariners signed free agent RHP Tayler Scott to a minor league contract and invited him to spring training. |
| Jan 24, 2019 | Signed as free agent | Austin Nola | — | Seattle Mariners | Seattle Mariners signed free agent C Austin Nola to a minor league contract and invited him to spring training. |
| Jan 24, 2019 | Signed as free agent | Dustin Ackley | — | Seattle Mariners | Seattle Mariners signed free agent 2B Dustin Ackley to a minor league contract and invited him to spring training. |
| Jan 24, 2019 | Signed as free agent | Orlando Calixte | — | Seattle Mariners | Seattle Mariners signed free agent SS Orlando Calixte to a minor league contract and invited him to spring training. |
| Jan 24, 2019 | Signed as free agent | Tito Polo | — | Seattle Mariners | Seattle Mariners signed free agent OF Tito Polo to a minor league contract and invited him to spring training. |
| Jan 24, 2019 | Signed as free agent | Tim Lopes | — | Seattle Mariners | Seattle Mariners signed free agent 2B Tim Lopes to a minor league contract and invited him to spring training. |
| Jan 24, 2019 | Signed as free agent | Asdrúbal Cabrera | — | Texas Rangers | Texas Rangers signed free agent 3B Asdrubal Cabrera. |
| Jan 24, 2019 | Signed as free agent | Enderson Franco | — | San Francisco Giants | San Francisco Giants signed free agent RHP Enderson Franco to a minor league contract and invited him to spring training. |
| Jan 24, 2019 | Signed as free agent | Kieran Lovegrove | — | San Francisco Giants | San Francisco Giants signed free agent RHP Kieran Lovegrove to a minor league contract and invited him to spring training. |
| Jan 24, 2019 | Signed as free agent | Jamie Callahan | — | San Francisco Giants | San Francisco Giants signed free agent RHP Jamie Callahan to a minor league contract and invited him to spring training. |
| Jan 24, 2019 | Signed as free agent | Carlos Navas | — | San Francisco Giants | San Francisco Giants signed free agent RHP Carlos Navas to a minor league contract and invited him to spring training. |
| Jan 24, 2019 | Signed as free agent | Keyvius Sampson | — | San Francisco Giants | San Francisco Giants signed free agent RHP Keyvius Sampson to a minor league contract and invited him to spring training. |
| Jan 24, 2019 | Signed as free agent | Hamlet Marte | — | San Francisco Giants | San Francisco Giants signed free agent C Hamlet Marte to a minor league contract and invited him to spring training. |
| Jan 24, 2019 | Signed as free agent | Cameron Rupp | — | San Francisco Giants | San Francisco Giants signed free agent C Cameron Rupp to a minor league contract and invited him to spring training. |
| Jan 24, 2019 | Signed as free agent | Zach Green | — | San Francisco Giants | San Francisco Giants signed free agent 1B Zach Green to a minor league contract and invited him to spring training. |
| Jan 24, 2019 | Signed as free agent | Levi Michael | — | San Francisco Giants | San Francisco Giants signed free agent SS Levi Michael to a minor league contract and invited him to spring training. |
| Jan 24, 2019 | Signed as free agent | Donovan Solano | — | San Francisco Giants | San Francisco Giants signed free agent 2B Donovan Solano to a minor league contract and invited him to spring training. |
| Jan 24, 2019 | Signed as free agent | Anthony García | — | San Francisco Giants | San Francisco Giants signed free agent OF Anthony Garcia to a minor league contract and invited him to spring training. |
| Jan 24, 2019 | Signed as free agent | Henry Ramos | — | San Francisco Giants | San Francisco Giants signed free agent OF Henry Ramos to a minor league contract and invited him to spring training. |
| Jan 24, 2019 | Signed as free agent | Carlos Torres | — | San Diego Padres | San Diego Padres signed free agent RHP Carlos Torres to a minor league contract and invited him to spring training. |
| Jan 24, 2019 | Signed as free agent | Chris Stewart | — | San Diego Padres | San Diego Padres signed free agent C Chris Stewart to a minor league contract and invited him to spring training. |
| Jan 24, 2019 | Signed as free agent | Eric Stout | — | San Diego Padres | San Diego Padres signed free agent LHP Eric Stout to a minor league contract and invited him to spring training. |
| Jan 24, 2019 | Signed as free agent | Boog Powell | — | San Diego Padres | San Diego Padres signed free agent OF Boog Powell to a minor league contract and invited him to spring training. |
| Jan 24, 2019 | Signed as free agent | Beau Taylor | — | Athletics | Oakland Athletics signed free agent C Beau Taylor to a minor league contract and invited him to spring training. |
| Jan 24, 2019 | Signed as free agent | Adam Ottavino | — | New York Yankees | New York Yankees signed free agent RHP Adam Ottavino. |
| Jan 24, 2019 | Signed as free agent | Dean Kiekhefer | — | Athletics | Oakland Athletics signed free agent LHP Dean Kiekhefer to a minor league contract and invited him to spring training. |
| Jan 24, 2019 | Signed as free agent | Kyle Lobstein | — | Athletics | Oakland Athletics signed free agent LHP Kyle Lobstein to a minor league contract and invited him to spring training. |
| Jan 24, 2019 | Signed as free agent | Brian Schlitter | — | Athletics | Oakland Athletics signed free agent RHP Brian Schlitter to a minor league contract and invited him to spring training. |
| Jan 24, 2019 | Signed as free agent | Eric Campbell | — | Athletics | Oakland Athletics signed free agent 2B Eric Campbell to a minor league contract and invited him to spring training. |
| Jan 24, 2019 | Signed as free agent | Jeury Lopez | — | Minnesota Twins | Minnesota Twins signed free agent SS Jeury Lopez to a minor league contract. |
| Jan 24, 2019 | Signed as free agent | Ryan Casteel | — | Atlanta Braves | Atlanta Braves signed free agent 1B Ryan Casteel to a minor league contract. |
| Jan 23, 2019 | Signed as free agent | Drew Pomeranz | — | San Francisco Giants | San Francisco Giants signed free agent LHP Drew Pomeranz. |
| Jan 23, 2019 | Signed as free agent | Cristopher Valdez | — | Chicago White Sox | Chicago White Sox signed free agent RHP Cristopher Valdez to a minor league contract. |
| Jan 23, 2019 | Signed as free agent | Frander Veras | — | Chicago White Sox | Chicago White Sox signed free agent RHP Frander Veras to a minor league contract. |
| Jan 23, 2019 | Signed as free agent | Roberto Peña | — | Los Angeles Angels | Los Angeles Angels signed free agent C Roberto Pena to a minor league contract and invited him to spring training. |
| Jan 23, 2019 | Signed as free agent | Christian Bergman | — | Chicago Cubs | Chicago Cubs signed free agent RHP Christian Bergman to a minor league contract and invited him to spring training. |
| Jan 23, 2019 | Signed as free agent | Cristhian Adames | — | Chicago Cubs | Chicago Cubs signed free agent SS Cristhian Adames to a minor league contract and invited him to spring training. |
| Jan 22, 2019 | Signed as free agent | Hector Noesí | — | Miami Marlins | Miami Marlins signed free agent RHP Hector Noesi to a minor league contract and invited him to spring training. |
| Jan 22, 2019 | Signed as free agent | Nick Markakis | — | Atlanta Braves | Atlanta Braves signed free agent RF Nick Markakis. |
| Jan 22, 2019 | Signed as free agent | Taylor Guerrieri | — | Texas Rangers | Texas Rangers signed free agent RHP Taylor Guerrieri to a minor league contract and invited him to spring training. |
| Jan 22, 2019 | Signed as free agent | Tony Sanchez | — | Texas Rangers | Texas Rangers signed free agent C Tony Sanchez to a minor league contract and invited him to spring training. |
| Jan 22, 2019 | Signed as free agent | Michael Tonkin | — | Texas Rangers | Texas Rangers signed free agent RHP Michael Tonkin to a minor league contract and invited him to spring training. |
| Jan 22, 2019 | Signed as free agent | Zach McAllister | — | Texas Rangers | Texas Rangers signed free agent RHP Zach McAllister. |
| Jan 22, 2019 | Signed as free agent | Marvin Brown | — | San Francisco Giants | San Francisco Giants signed free agent LHP Marvin Brown to a minor league contract. |
| Jan 22, 2019 | Signed as free agent | Keelan Smithers | — | New York Mets | New York Mets signed free agent LHP Keelan Smithers to a minor league contract. |
| Jan 22, 2019 | Signed as free agent | Fernando Rodriguez Jr. | — | San Diego Padres | San Diego Padres signed free agent RHP Fernando Rodriguez Jr. to a minor league contract. |
| Jan 21, 2019 | Signed as free agent | Wilmer Flores | — | Arizona Diamondbacks | Arizona Diamondbacks signed free agent 1B Wilmer Flores. |
| Jan 21, 2019 | Trade | Reiver Sanmartin | New York Yankees | Cincinnati Reds | New York Yankees traded RHP Sonny Gray and LHP Reiver Sanmartin to Cincinnati Reds for 2B Shed Long Jr. and Future Considerations. |
| Jan 21, 2019 | Trade | Josh Stowers | Seattle Mariners | New York Yankees | Seattle Mariners traded OF Josh Stowers to New York Yankees for 2B Shed Long. |
| Jan 21, 2019 | Signed as free agent | Héctor Sánchez | — | Detroit Tigers | Detroit Tigers signed free agent C Hector Sanchez to a minor league contract and invited him to spring training. |
| Jan 21, 2019 | Signed as free agent | Gordon Beckham | — | Detroit Tigers | Detroit Tigers signed free agent 2B Gordon Beckham to a minor league contract and invited him to spring training. |
| Jan 21, 2019 | Signed as free agent | Danny Farquhar | — | New York Yankees | New York Yankees signed free agent RHP Danny Farquhar to a minor league contract and invited him to spring training. |
| Jan 20, 2019 | Signed as free agent | Cody Allen | — | Los Angeles Angels | Los Angeles Angels signed free agent RHP Cody Allen. |
| Jan 20, 2019 | Signed as free agent | Anthony Vizcaya | — | Minnesota Twins | Minnesota Twins signed free agent RHP Anthony Vizcaya to a minor league contract. |
| Jan 20, 2019 | Signed as free agent | Kevin Kelleher | — | Los Angeles Angels | Los Angeles Angels signed free agent RHP Kevin Kelleher to a minor league contract. |
| Jan 19, 2019 | Signed as free agent | Daniel Camarena | — | Minnesota Twins | Minnesota Twins signed free agent LHP Daniel Camarena to a minor league contract. |
| Jan 18, 2019 | Signed as free agent | Avisaíl García | — | Tampa Bay Rays | Tampa Bay Rays signed free agent RF Avisail Garcia. |
| Jan 18, 2019 | Signed as free agent | Mac Welsh | — | Chicago White Sox | Chicago White Sox signed free agent RHP Mac Welsh to a minor league contract. |
| Jan 18, 2019 | Signed as free agent | Rob Scahill | — | Chicago Cubs | Chicago Cubs signed free agent RHP Rob Scahill to a minor league contract and invited him to spring training. |
| Jan 17, 2019 | Signed as free agent | Albert Lantigua | — | Tampa Bay Rays | Tampa Bay Rays signed free agent C Albert Lantigua to a minor league contract. |
| Jan 17, 2019 | Signed as free agent | Huei-Sheng Lin | — | Los Angeles Dodgers | Los Angeles Dodgers signed free agent RHP Huei-Sheng Lin to a minor league contract. |
| Jan 17, 2019 | Signed as free agent | Josh Thole | — | Los Angeles Dodgers | Los Angeles Dodgers signed free agent C Josh Thole to a minor league contract and invited him to spring training. |
| Jan 17, 2019 | Signed as free agent | Anthony Villa | — | Texas Rangers | Texas Rangers signed free agent 3B Anthony Villa to a minor league contract. |
| Jan 16, 2019 | Signed as free agent | Jed Lowrie | — | New York Mets | New York Mets signed free agent 2B Jed Lowrie. |
| Jan 16, 2019 | Trade | Ronald Roman | Arizona Diamondbacks | New York Yankees | Arizona Diamondbacks traded cash and LHP Ronald Roman to New York Yankees for CF Tim Locastro. |
| Jan 16, 2019 | Signed as free agent | Buddy Boshers | — | Cincinnati Reds | Cincinnati Reds signed free agent LHP Buddy Boshers to a minor league contract and invited him to spring training. |
| Jan 16, 2019 | Signed as free agent | Felix Jorge | — | Cincinnati Reds | Cincinnati Reds signed free agent RHP Felix Jorge to a minor league contract and invited him to spring training. |
| Jan 16, 2019 | Signed as free agent | Evan Marzilli | — | Chicago Cubs | Chicago Cubs signed free agent CF Evan Marzilli to a minor league contract and invited him to spring training. |
| Jan 16, 2019 | Signed as free agent | Paolo Espino | — | Washington Nationals | Washington Nationals signed free agent RHP Paolo Espino to a minor league contract. |
| Jan 16, 2019 | Signed as free agent | Tyler Matzek | — | Arizona Diamondbacks | Arizona Diamondbacks signed free agent LHP Tyler Matzek to a minor league contract. |
| Jan 15, 2019 | Trade | John Curtiss | Minnesota Twins | Los Angeles Angels | Los Angeles Angels traded SS Daniel Ozoria to Minnesota Twins for RHP John Curtiss. |
| Jan 15, 2019 | Signed as free agent | Isaac Curbata | — | Milwaukee Brewers | Milwaukee Brewers signed free agent OF Isaac Curbata to a minor league contract. |
| Jan 15, 2019 | Signed as free agent | Drew Maggi | — | Minnesota Twins | Minnesota Twins signed free agent 3B Drew Maggi to a minor league contract. |
| Jan 15, 2019 | Signed as free agent | Cael Brockmeyer | — | Baltimore Orioles | Baltimore Orioles signed free agent C Cael Brockmeyer to a minor league contract and invited him to spring training. |
| Jan 15, 2019 | Signed as free agent | Parker Morin | — | Cincinnati Reds | Cincinnati Reds signed free agent C Parker Morin to a minor league contract. |
| Jan 15, 2019 | Signed as free agent | Lukas Young | — | Atlanta Braves | Atlanta Braves signed free agent RHP Lukas Young to a minor league contract. |
| Jan 14, 2019 | Signed as free agent | Derek Holland | — | San Francisco Giants | San Francisco Giants signed free agent LHP Derek Holland. |
| Jan 14, 2019 | Signed as free agent | Blake Parker | — | Minnesota Twins | Minnesota Twins signed free agent RHP Blake Parker. |
| Jan 14, 2019 | Signed as free agent | DJ LeMahieu | — | New York Yankees | New York Yankees signed free agent 2B DJ LeMahieu. |
| Jan 14, 2019 | Signed as free agent | Yasmani Grandal | — | Milwaukee Brewers | Milwaukee Brewers signed free agent C Yasmani Grandal. |
| Jan 14, 2019 | Signed as free agent | José Estrada | — | Los Angeles Angels | Los Angeles Angels signed free agent C Jose Estrada to a minor league contract. |
| Jan 14, 2019 | Signed as free agent | Eric Karch | — | Minnesota Twins | Minnesota Twins signed free agent RHP Eric Karch to a minor league contract. |
| Jan 14, 2019 | Signed as free agent | Javy Guerra | — | Toronto Blue Jays | Toronto Blue Jays signed free agent RHP Javy Guerra to a minor league contract and invited him to spring training. |
| Jan 14, 2019 | Signed as free agent | Lane Adams | — | Philadelphia Phillies | Philadelphia Phillies signed free agent CF Lane Adams to a minor league contract and invited him to spring training. |
| Jan 14, 2019 | Signed as free agent | Jordan Smith | — | Cleveland Guardians | Cleveland Indians signed free agent RF Jordan Smith to a minor league contract. |
| Jan 13, 2019 | Signed as free agent | Brian Dozier | — | Washington Nationals | Washington Nationals signed free agent 2B Brian Dozier. |
| Jan 13, 2019 | Signed as free agent | Jake Petricka | — | Milwaukee Brewers | Milwaukee Brewers signed free agent Jake Petricka. |
| Jan 13, 2019 | Signed as free agent | Sam Howard | — | Colorado Rockies | Colorado Rockies signed free agent LHP Sam Howard to a minor league contract and invited him to spring training. |
| Jan 13, 2019 | Signed as free agent | Francisco Arcia | — | Chicago Cubs | Chicago Cubs signed free agent C Francisco Arcia to a minor league contract and invited him to spring training. |
| Jan 12, 2019 | Signed as free agent | David Phelps | — | Toronto Blue Jays | Toronto Blue Jays signed free agent RHP David Phelps. |
| Jan 12, 2019 | Signed as free agent | Yohan Brito | — | Los Angeles Angels | Los Angeles Angels signed free agent CF Yohan Brito to a minor league contract. |
| Jan 11, 2019 | Signed as free agent | Zack Britton | — | New York Yankees | New York Yankees signed free agent LHP Zack Britton. |
| Jan 11, 2019 | Signed as free agent | Drew Hutchison | — | New York Yankees | New York Yankees signed free agent RHP Drew Hutchison to a minor league contract and invited him to spring training. |
| Jan 11, 2019 | Signed as free agent | Matt Lipka | — | New York Yankees | New York Yankees signed free agent OF Matt Lipka to a minor league contract and invited him to spring training. |
| Jan 11, 2019 | Trade | Ronny Brito | Los Angeles Dodgers | Toronto Blue Jays | Los Angeles Dodgers traded RHP Andrew Sopko and SS Ronny Brito to Toronto Blue Jays for cash and C Russell Martin. |
| Jan 11, 2019 | Signed as free agent | Edward Paredes | — | Philadelphia Phillies | Philadelphia Phillies signed free agent LHP Edward Paredes to a minor league contract and invited him to spring training. |
| Jan 11, 2019 | Signed as free agent | Gift Ngoepe | — | Philadelphia Phillies | Philadelphia Phillies signed free agent 3B Gift Ngoepe to a minor league contract and invited him to spring training. |
| Jan 11, 2019 | Signed as free agent | Andrew Romine | — | Philadelphia Phillies | Philadelphia Phillies signed free agent SS Andrew Romine to a minor league contract and invited him to spring training. |
| Jan 11, 2019 | Signed as free agent | Héctor Santiago | — | New York Mets | New York Mets signed free agent LHP Hector Santiago to a minor league contract and invited him to spring training. |
| Jan 11, 2019 | Signed as free agent | Edixon Lopez | — | Detroit Tigers | Detroit Tigers signed free agent IF Edixon Lopez to a minor league contract. |
| Jan 11, 2019 | Signed as free agent | Jhon Yan | — | Texas Rangers | Texas Rangers signed free agent RHP Jhon Yan to a minor league contract. |
| Jan 11, 2019 | Signed as free agent | Bo Schultz | — | Baltimore Orioles | Baltimore Orioles signed free agent RHP Bo Schultz to a minor league contract and invited him to spring training. |
| Jan 11, 2019 | Signed as free agent | Jeff Ames | — | Minnesota Twins | Minnesota Twins signed free agent RHP Jeff Ames to a minor league contract. |
| Jan 11, 2019 | Signed as free agent | Burch Smith | — | Milwaukee Brewers | Milwaukee Brewers signed free agent RHP Burch Smith to a minor league contract and invited him to spring training. |
| Jan 11, 2019 | Signed as free agent | Zach Borenstein | — | Chicago Cubs | Chicago Cubs signed free agent OF Zach Borenstein to a minor league contract. |
| Jan 10, 2019 | Signed as free agent | Bryce Brentz | — | Boston Red Sox | Boston Red Sox signed free agent OF Bryce Brentz to a minor league contract and invited him to spring training. |
| Jan 10, 2019 | Signed as free agent | Dario Alvarez | — | Minnesota Twins | Minnesota Twins signed free agent LHP Dario Alvarez to a minor league contract. |
| Jan 10, 2019 | Signed as free agent | Tomás Telis | — | Minnesota Twins | Minnesota Twins signed free agent C Tomas Telis to a minor league contract and invited him to spring training. |
| Jan 10, 2019 | Signed as free agent | Jon Jay | — | Chicago White Sox | Chicago White Sox signed free agent CF Jon Jay. |
| Jan 10, 2019 | Signed as free agent | Luis Avilán | — | New York Mets | New York Mets signed free agent LHP Luis Avilan to a minor league contract and invited him to spring training. |
| Jan 10, 2019 | Signed as free agent | Cory Gearrin | — | Seattle Mariners | Seattle Mariners signed free agent RHP Cory Gearrin. |
| Jan 10, 2019 | Signed as free agent | Tim Beckham | — | Seattle Mariners | Seattle Mariners signed free agent SS Tim Beckham. |
| Jan 10, 2019 | Signed as free agent | Yorberto Mejicano | — | Boston Red Sox | Boston Red Sox signed free agent C Yorberto Mejicano to a minor league contract. |
| Jan 10, 2019 | Signed as free agent | Colin Rea | — | Chicago Cubs | Chicago Cubs signed free agent RHP Colin Rea to a minor league contract and invited him to spring training. |
| Jan 10, 2019 | Signed as free agent | Tyler Watson | — | Chicago White Sox | Chicago White Sox signed free agent LHP Tyler Watson to a minor league contract. |
| Jan 9, 2019 | Signed as free agent | Shelby Miller | — | Texas Rangers | Texas Rangers signed free agent RHP Shelby Miller. |
| Jan 9, 2019 | Signed as free agent | Jeanmar Gómez | — | Texas Rangers | Texas Rangers signed free agent RHP Jeanmar Gomez to a minor league contract and invited him to spring training. |
| Jan 9, 2019 | Signed as free agent | Danny Santana | — | Texas Rangers | Texas Rangers signed free agent CF Danny Santana to a minor league contract and invited him to spring training. |
| Jan 9, 2019 | Signed as free agent | Dwayne Matos | — | San Diego Padres | San Diego Padres signed free agent RHP Dwayne Matos to a minor league contract. |
| Jan 9, 2019 | Signed as free agent | Samuel Duarte | — | Chicago Cubs | Chicago Cubs signed free agent CF Samuel Duarte to a minor league contract. |
| Jan 9, 2019 | Signed as free agent | Jorge Burgos | — | Cleveland Guardians | Cleveland Indians signed free agent CF Jorge Burgos to a minor league contract. |
| Jan 9, 2019 | Signed as free agent | Jesus Lugo | — | San Diego Padres | San Diego Padres signed free agent RHP Jesus Lugo to a minor league contract. |
| Jan 9, 2019 | Signed as free agent | Carlos Ramírez | — | Chicago Cubs | Chicago Cubs signed free agent RHP Carlos Ramirez to a minor league contract and invited him to spring training. |
| Jan 8, 2019 | Signed as free agent | Kelvin Herrera | — | Chicago White Sox | Chicago White Sox signed free agent RHP Kelvin Herrera. |
| Jan 8, 2019 | Trade | Jaime Schultz | Tampa Bay Rays | Los Angeles Dodgers | Tampa Bay Rays traded RHP Jaime Schultz to Los Angeles Dodgers for RHP Caleb Sampen. |
| Jan 8, 2019 | Signed as free agent | Odrisamer Despaigne | — | Cincinnati Reds | Cincinnati Reds signed free agent RHP Odrisamer Despaigne to a minor league contract and invited him to spring training. |
| Jan 8, 2019 | Signed as free agent | Lizardo Ruiz | — | Chicago Cubs | Chicago Cubs signed free agent SS Lizardo Ruiz to a minor league contract. |
| Jan 8, 2019 | Signed as free agent | Smith Vargas | — | St. Louis Cardinals | St. Louis Cardinals signed free agent CF Smith Vargas to a minor league contract. |
| Jan 8, 2019 | Signed as free agent | Ezequiel Alvarez | — | Chicago Cubs | Chicago Cubs signed free agent CF Ezequiel Alvarez to a minor league contract. |
| Jan 8, 2019 | Signed as free agent | Fernando Brazoban | — | St. Louis Cardinals | St. Louis Cardinals signed free agent OF Fernando Brazoban to a minor league contract. |
| Jan 8, 2019 | Signed as free agent | Jesus Jaquez | — | St. Louis Cardinals | St. Louis Cardinals signed free agent RHP Jesus Jaquez to a minor league contract. |
| Jan 8, 2019 | Signed as free agent | Carlos Pérez | — | Baltimore Orioles | Baltimore Orioles signed free agent C Carlos Perez to a minor league contract and invited him to spring training. |
| Jan 8, 2019 | Signed as free agent | Alex Meyer | — | Los Angeles Angels | Los Angeles Angels signed free agent RHP Alex Meyer to a minor league contract and invited him to spring training. |
| Jan 8, 2019 | Signed as free agent | Rob Wooten | — | Cincinnati Reds | Cincinnati Reds signed free agent RHP Rob Wooten to a minor league contract. |
| Jan 8, 2019 | Signed as free agent | Ordomar Valdez | — | Cleveland Guardians | Cleveland Indians signed free agent 2B Ordomar Valdez to a minor league contract. |
| Jan 8, 2019 | Signed as free agent | Juan De La Cruz | — | Cleveland Guardians | Cleveland Indians signed free agent C Juan De La Cruz to a minor league contract. |
| Jan 8, 2019 | Signed as free agent | Winston Abreu | — | Kansas City Royals | Kansas City Royals signed free agent RHP Winston Abreu to a minor league contract. |
| Jan 7, 2019 | Released | David Wright | — | New York Mets | New York Mets released 3B David Wright. |
| Jan 6, 2019 | Trade | J.D. Davis | Houston Astros | New York Mets | Houston Astros traded LF J.D. Davis and SS Cody Bohanek to New York Mets for SS Luis Santana, OF Ross Adolph and C Scott Manea. |
| Jan 6, 2019 | Trade | Sam Haggerty | Cleveland Guardians | New York Mets | New York Mets traded C Kevin Plawecki to Cleveland Indians for RHP Walker Lockett and 2B Sam Haggerty. |
| Jan 6, 2019 | Signed as free agent | Gregory Infante | — | Baltimore Orioles | Baltimore Orioles signed free agent RHP Gregory Infante to a minor league contract and invited him to spring training. |
| Jan 5, 2019 | Trade | Adam Hill | New York Mets | Milwaukee Brewers | Milwaukee Brewers traded CF Keon Broxton to New York Mets for RHP Adam Hill, RHP Bobby Wahl and 2B Felix Valerio. |
| Jan 5, 2019 | Trade | Breyvic Valera | Baltimore Orioles | San Francisco Giants | Baltimore Orioles traded 2B Breyvic Valera to San Francisco Giants for cash. |
| Jan 5, 2019 | Signed as free agent | Jose Marcano | — | Colorado Rockies | Colorado Rockies signed free agent RHP Jose Marcano to a minor league contract. |
| Jan 5, 2019 | Signed as free agent | Reiner Abello | — | Colorado Rockies | Colorado Rockies signed free agent SS Reiner Abello to a minor league contract. |
| Jan 5, 2019 | Signed as free agent | Ryan Colegate | — | San Diego Padres | San Diego Padres signed free agent RHP Ryan Colegate to a minor league contract. |
| Jan 5, 2019 | Signed as free agent | Grant Sides | — | San Diego Padres | San Diego Padres signed free agent RHP Grant Sides to a minor league contract. |
| Jan 4, 2019 | Signed as free agent | Adrian Sampson | — | Texas Rangers | Texas Rangers signed free agent RHP Adrian Sampson to a minor league contract and invited him to spring training. |
| Jan 4, 2019 | Signed as free agent | Rafael Montero | — | Texas Rangers | Texas Rangers signed free agent RHP Rafael Montero to a minor league contract and invited him to spring training. |
| Jan 4, 2019 | Signed as free agent | Troy Tulowitzki | — | New York Yankees | New York Yankees signed free agent SS Troy Tulowitzki. |
| Jan 4, 2019 | Trade | Oliver Drake | Toronto Blue Jays | Tampa Bay Rays | Toronto Blue Jays traded RHP Oliver Drake to Tampa Bay Rays for cash. |
| Jan 4, 2019 | Signed as free agent | Cory Spangenberg | — | Milwaukee Brewers | Milwaukee Brewers signed free agent Cory Spangenberg. |
| Jan 4, 2019 | Signed as free agent | Kyle Zimmer | — | Kansas City Royals | Kansas City Royals signed free agent Kyle Zimmer. |
| Jan 4, 2019 | Signed as free agent | Densi Meli | — | Kansas City Royals | Kansas City Royals signed free agent SS Densi Meli to a minor league contract. |
| Jan 4, 2019 | Signed as free agent | Alejandro Duran | — | Los Angeles Angels | Los Angeles Angels signed free agent RHP Alejandro Duran to a minor league contract. |
| Jan 4, 2019 | Signed as free agent | Cameron Perkins | — | Los Angeles Dodgers | Los Angeles Dodgers signed free agent OF Cameron Perkins to a minor league contract and invited him to spring training. |
| Jan 4, 2019 | Signed as free agent | Matt Marksberry | — | Arizona Diamondbacks | Arizona Diamondbacks signed free agent LHP Matt Marksberry to a minor league contract. |
| Jan 4, 2019 | Signed as free agent | Jacob Lindgren | — | Chicago White Sox | Chicago White Sox signed free agent LHP Jacob Lindgren to a minor league contract. |
| Jan 3, 2019 | Signed as free agent | David Robertson | — | Philadelphia Phillies | Philadelphia Phillies signed free agent RHP David Robertson. |
| Jan 3, 2019 | Signed as free agent | Justin Grimm | — | Cleveland Guardians | Cleveland Indians signed free agent RHP Justin Grimm to a minor league contract and invited him to spring training. |
| Jan 3, 2019 | Signed as free agent | Markus Solbach | — | Los Angeles Dodgers | Los Angeles Dodgers signed free agent RHP Markus Solbach to a minor league contract. |
| Jan 3, 2019 | Signed as free agent | Rymer Liriano | — | New York Mets | New York Mets signed free agent OF Rymer Liriano to a minor league contract and invited him to spring training. |
| Jan 3, 2019 | Signed as free agent | Arquimedes Caminero | — | New York Mets | New York Mets signed free agent RHP Arquimedes Caminero to a minor league contract and invited him to spring training. |
| Jan 3, 2019 | Signed as free agent | Billy Burns | — | New York Yankees | New York Yankees signed free agent OF Billy Burns to a minor league contract and invited him to spring training. |
| Jan 3, 2019 | Signed as free agent | Alberto Baldonado | — | Chicago Cubs | Chicago Cubs signed free agent LHP Alberto Baldonado to a minor league contract and invited him to spring training. |
| Jan 3, 2019 | Signed as free agent | Matt Carasiti | — | Chicago Cubs | Chicago Cubs signed free agent RHP Matt Carasiti to a minor league contract and invited him to spring training. |
| Jan 3, 2019 | Signed as free agent | Paulo Orlando | — | Los Angeles Dodgers | Los Angeles Dodgers signed free agent OF Paulo Orlando to a minor league contract and invited him to spring training. |
| Jan 3, 2019 | Signed as free agent | Jason Krizan | — | New York Mets | New York Mets signed free agent LF Jason Krizan to a minor league contract. |
| Jan 2, 2019 | Signed as free agent | Dheygler Gimenez | — | Athletics | Oakland Athletics signed free agent RHP Dheygler Gimenez to a minor league contract. |
| Jan 2, 2019 | Signed as free agent | Nelson Cruz | — | Minnesota Twins | Minnesota Twins signed free agent DH Nelson Cruz. |
| Jan 2, 2019 | Signed as free agent | Yusei Kikuchi | — | Seattle Mariners | Seattle Mariners signed free agent LHP Yusei Kikuchi. |
| Jan 2, 2019 | Signed as free agent | Felipito Santos | — | Cleveland Guardians | Cleveland Indians signed free agent RHP Felipito Santos to a minor league contract. |
| Jan 2, 2019 | Signed as free agent | Christian Sosa | — | Cleveland Guardians | Cleveland Indians signed free agent RHP Christian Sosa to a minor league contract. |
| Jan 2, 2019 | Signed as free agent | Albert Breton | — | Cleveland Guardians | Cleveland Indians signed free agent RHP Albert Breton to a minor league contract. |
| Jan 2, 2019 | Signed as free agent | James Adduci | — | Chicago Cubs | Chicago Cubs signed free agent 1B Jim Adduci to a minor league contract and invited him to spring training. |
| Jan 2, 2019 | Signed as free agent | Aaron Northcraft | — | Seattle Mariners | Seattle Mariners signed free agent RHP Aaron Northcraft to a minor league contract. |
| Jan 2, 2019 | Signed as free agent | Yusei Kikuchi | — | Seattle Mariners | Seattle Mariners signed free agent P Yusei Kikuchi. |
| Jan 2, 2019 | Signed as free agent | Yusei Kikuchi | — | Seattle Mariners | Seattle Mariners signed free agent P Yusei Kikuchi. |
| Jan 2, 2019 | Signed as free agent | Yusei Kikuchi | — | Seattle Mariners | Seattle Mariners signed free agent P Yusei Kikuchi. |
| Jan 2, 2019 | Signed as free agent | Yusei Kikuchi | — | Seattle Mariners | Seattle Mariners signed free agent LHP Yusei Kikuchi. |
| Jan 1, 2019 | Signed as free agent | Randall Delgado | — | Chicago White Sox | Chicago White Sox signed free agent RHP Randall Delgado to a minor league contract and invited him to spring training. |
| Jan 1, 2019 | Signed as free agent | Michael Saunders | — | Colorado Rockies | Colorado Rockies signed free agent OF Michael Saunders to a minor league contract and invited him to spring training. |
| Jan 1, 2019 | Signed as free agent | Collin Wiles | — | Texas Rangers | Texas Rangers signed free agent RHP Collin Wiles to a minor league contract. |
Every row is captured from MLB’s official StatsAPI transactions feed with MLB’s published description unedited. Signings include both major-league and minor-league contracts signed with a major-league club; injury-list moves and minor-league affiliate-only transactions are outside this archive’s scope.
Transaction data: official MLB StatsAPI. Data provided by MLB Advanced Media. Archived and published by Legends Deck.