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The 2017 season’s official transaction log: 3,245 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 29, 2017 | Signed as free agent | Wade Davis | — | Colorado Rockies | Colorado Rockies signed free agent RHP Wade Davis. |
| Dec 29, 2017 | Signed as free agent | Tim Collins | — | Washington Nationals | Washington Nationals signed free agent LHP Tim Collins to a minor league contract and invited him to spring training. |
| Dec 28, 2017 | Signed as free agent | Miguel Tejada | — | Baltimore Orioles | Baltimore Orioles signed free agent RHP Miguel Tejada to a minor league contract. |
| Dec 27, 2017 | Signed as free agent | Tyson Ross | — | San Diego Padres | San Diego Padres signed free agent RHP Tyson Ross to a minor league contract and invited him to spring training. |
| Dec 27, 2017 | Signed as free agent | Chase d'Arnaud | — | San Francisco Giants | San Francisco Giants signed free agent 3B Chase d'Arnaud to a minor league contract and invited him to spring training. |
| Dec 27, 2017 | Signed as free agent | Raimfer Salinas | — | New York Yankees | New York Yankees signed free agent RF Raimfer Salinas to a minor league contract. |
| Dec 27, 2017 | Signed as free agent | Raul Lopez | — | Colorado Rockies | Colorado Rockies signed free agent RHP Raul Lopez to a minor league contract. |
| Dec 27, 2017 | Signed as free agent | Miguel Pozo | — | Washington Nationals | Washington Nationals signed free agent RHP Miguel Pozo to a minor league contract. |
| Dec 27, 2017 | Signed as free agent | Pedro Hurtado | — | Toronto Blue Jays | Toronto Blue Jays signed free agent IF Pedro Hurtado to a minor league contract. |
| Dec 26, 2017 | Signed as free agent | CC Sabathia | — | New York Yankees | New York Yankees signed free agent LHP CC Sabathia. |
| Dec 26, 2017 | Signed as free agent | Jared Hughes | — | Cincinnati Reds | Cincinnati Reds signed free agent RHP Jared Hughes. |
| Dec 26, 2017 | Signed as free agent | Zach Duke | — | Minnesota Twins | Minnesota Twins signed free agent LHP Zach Duke. |
| Dec 26, 2017 | Signed as free agent | Fleury Nova | — | Pittsburgh Pirates | Pittsburgh Pirates signed free agent OF Fleury Nova to a minor league contract. |
| Dec 26, 2017 | Signed as free agent | Jhon Vergara | — | Cleveland Guardians | Cleveland Indians signed free agent RHP Jhon Vergara to a minor league contract. |
| Dec 23, 2017 | Signed as free agent | Yonder Alonso | — | Cleveland Guardians | Cleveland Indians signed free agent 1B Yonder Alonso. |
| Dec 23, 2017 | Signed as free agent | Anthony Bass | — | Chicago Cubs | Chicago Cubs signed free agent RHP Anthony Bass to a minor league contract and invited him to spring training. |
| Dec 23, 2017 | Signed as free agent | Osleivis Basabe | — | Texas Rangers | Texas Rangers signed free agent SS Osleivis Basabe to a minor league contract. |
| Dec 23, 2017 | Signed as free agent | Jheyson Caraballo | — | Seattle Mariners | Seattle Mariners signed free agent RHP Jheyson Caraballo to a minor league contract. |
| Dec 22, 2017 | Signed as free agent | Matt Adams | — | Washington Nationals | Washington Nationals signed free agent 1B Matt Adams. |
| Dec 22, 2017 | Signed as free agent | Yoshihisa Hirano | — | Arizona Diamondbacks | Arizona Diamondbacks signed free agent RHP Yoshihisa Hirano. |
| Dec 22, 2017 | Signed as free agent | Tim Melville | — | Baltimore Orioles | Baltimore Orioles signed free agent RHP Tim Melville to a minor league contract and invited him to spring training. |
| Dec 22, 2017 | Signed as free agent | Andrew Faulkner | — | Baltimore Orioles | Baltimore Orioles signed free agent LHP Andrew Faulkner to a minor league contract and invited him to spring training. |
| Dec 22, 2017 | Signed as free agent | Jayson Aquino | — | Baltimore Orioles | Baltimore Orioles signed free agent LHP Jayson Aquino to a minor league contract and invited him to spring training. |
| Dec 22, 2017 | Signed as free agent | Aderlin Rodríguez | — | Baltimore Orioles | Baltimore Orioles signed free agent 1B Aderlin Rodriguez to a minor league contract. |
| Dec 22, 2017 | Signed as free agent | Chris Young | — | San Diego Padres | San Diego Padres signed free agent RHP Chris Young to a minor league contract and invited him to spring training. |
| Dec 22, 2017 | Signed as free agent | Jackson Williams | — | Pittsburgh Pirates | Pittsburgh Pirates signed free agent C Jackson Williams to a minor league contract and invited him to spring training. |
| Dec 22, 2017 | Signed as free agent | Chris Dominguez | — | Washington Nationals | Washington Nationals signed free agent 1B Chris Dominguez to a minor league contract and invited him to spring training. |
| Dec 22, 2017 | Signed as free agent | Drew Gagnon | — | New York Mets | New York Mets signed free agent RHP Drew Gagnon to a minor league contract. |
| Dec 22, 2017 | Signed as free agent | Wilkin Grullon | — | Baltimore Orioles | Baltimore Orioles signed free agent C Wilkin Grullon to a minor league contract. |
| Dec 22, 2017 | Signed as free agent | Luis Nova | — | Pittsburgh Pirates | Pittsburgh Pirates signed free agent RHP Luis Nova to a minor league contract. |
| Dec 22, 2017 | Signed as free agent | Jhan Polanco | — | Pittsburgh Pirates | Pittsburgh Pirates signed free agent C Jhan Polanco to a minor league contract. |
| Dec 22, 2017 | Signed as free agent | Francisco Hodge | — | Pittsburgh Pirates | Pittsburgh Pirates signed free agent LHP Francisco Hodge to a minor league contract. |
| Dec 22, 2017 | Signed as free agent | Braham Rosario | — | Pittsburgh Pirates | Pittsburgh Pirates signed free agent LHP Braham Rosario to a minor league contract. |
| Dec 22, 2017 | Signed as free agent | Inohan Paniagua | — | St. Louis Cardinals | St. Louis Cardinals signed free agent RHP Inohan Paniagua to a minor league contract. |
| Dec 22, 2017 | Signed as free agent | Edwin Gil | — | Seattle Mariners | Seattle Mariners signed free agent SS Edwin Gil to a minor league contract. |
| Dec 22, 2017 | Signed as free agent | Antonio Cabello | — | New York Yankees | New York Yankees signed free agent C Antonio Cabello to a minor league contract. |
| Dec 21, 2017 | Signed as free agent | Alexi Ogando | — | Cleveland Guardians | Cleveland Indians signed free agent RHP Alexi Ogando to a minor league contract and invited him to spring training. |
| Dec 21, 2017 | Signed as free agent | B.J. Upton | — | Cleveland Guardians | Cleveland Indians signed free agent LF Melvin Upton Jr. to a minor league contract and invited him to spring training. |
| Dec 21, 2017 | Signed as free agent | Will Lamb | — | Detroit Tigers | Detroit Tigers signed free agent LHP Will Lamb to a minor league contract. |
| Dec 21, 2017 | Signed as free agent | Ronny Rodríguez | — | Detroit Tigers | Detroit Tigers signed free agent 2B Ronny Rodriguez to a minor league contract and invited him to spring training. |
| Dec 21, 2017 | Signed as free agent | Jason Krizan | — | Detroit Tigers | Detroit Tigers signed free agent LF Jason Krizan to a minor league contract and invited him to spring training. |
| Dec 21, 2017 | Signed as free agent | Kenny Wilson | — | Detroit Tigers | Detroit Tigers signed free agent CF Kenny Wilson to a minor league contract. |
| Dec 21, 2017 | Signed as free agent | Yovani Gallardo | — | Milwaukee Brewers | Milwaukee Brewers signed free agent RHP Yovani Gallardo. |
| Dec 21, 2017 | Signed as free agent | Jhoulys Chacín | — | Milwaukee Brewers | Milwaukee Brewers signed free agent RHP Jhoulys Chacin. |
| Dec 21, 2017 | Signed as free agent | Brandon Kintzler | — | Washington Nationals | Washington Nationals signed free agent RHP Brandon Kintzler. |
| Dec 21, 2017 | Signed as free agent | Paolo Espino | — | Texas Rangers | Texas Rangers signed free agent RHP Paolo Espino to a minor league contract and invited him to spring training. |
| Dec 21, 2017 | Signed as free agent | Shawn Tolleson | — | Texas Rangers | Texas Rangers signed free agent RHP Shawn Tolleson to a minor league contract and invited him to spring training. |
| Dec 21, 2017 | Signed as free agent | Brett Eibner | — | Texas Rangers | Texas Rangers signed free agent CF Brett Eibner to a minor league contract. |
| Dec 21, 2017 | Signed as free agent | Zeke Spruill | — | Texas Rangers | Texas Rangers signed free agent RHP Zeke Spruill to a minor league contract. |
| Dec 21, 2017 | Signed as free agent | Mike Zagurski | — | Milwaukee Brewers | Milwaukee Brewers signed free agent LHP Mike Zagurski to a minor league contract. |
| Dec 21, 2017 | Signed as free agent | Phil Gosselin | — | Cincinnati Reds | Cincinnati Reds signed free agent 2B Phil Gosselin to a minor league contract and invited him to spring training. |
| Dec 21, 2017 | Signed as free agent | Nick Rickles | — | Philadelphia Phillies | Philadelphia Phillies signed free agent C Nick Rickles to a minor league contract. |
| Dec 21, 2017 | Signed as free agent | Radhames Liz | — | Milwaukee Brewers | Milwaukee Brewers signed free agent RHP Radhames Liz to a minor league contract and invited him to spring training. |
| Dec 20, 2017 | Signed as free agent | Carlos Santana | — | Philadelphia Phillies | Philadelphia Phillies signed free agent 1B Carlos Santana. |
| Dec 20, 2017 | Trade | Evan Longoria | Tampa Bay Rays | San Francisco Giants | Tampa Bay Rays traded 3B Evan Longoria and cash to San Francisco Giants for SS Christian Arroyo, LF Denard Span, LHP Matt Krook and RHP Stephen Woods. |
| Dec 20, 2017 | Trade | Preston Tucker | Houston Astros | Atlanta Braves | Houston Astros traded LF Preston Tucker to Atlanta Braves for Player To Be Named Later. |
| Dec 20, 2017 | Signed as free agent | Juan Nicasio | — | Seattle Mariners | Seattle Mariners signed free agent RHP Juan Nicasio. |
| Dec 20, 2017 | Signed as free agent | Tom Koehler | — | Los Angeles Dodgers | Los Angeles Dodgers signed free agent RHP Tom Koehler. |
| Dec 20, 2017 | Released | Travis Wood | — | San Diego Padres | San Diego Padres released LHP Travis Wood. |
| Dec 20, 2017 | Signed as free agent | José A. Váldez | — | San Francisco Giants | San Francisco Giants signed free agent RHP Jose Valdez to a minor league contract and invited him to spring training. |
| Dec 20, 2017 | Signed as free agent | Danny Santana | — | Atlanta Braves | Atlanta Braves signed free agent OF Danny Santana to a minor league contract and invited him to spring training. |
| Dec 19, 2017 | Signed as free agent | Nick Hundley | — | San Francisco Giants | San Francisco Giants signed free agent C Nick Hundley. |
| Dec 19, 2017 | Signed as free agent | Austin Bibens-Dirkx | — | Texas Rangers | Texas Rangers signed free agent RHP Austin Bibens-Dirkx to a minor league contract and invited him to spring training. |
| Dec 19, 2017 | Signed as free agent | Erik Goeddel | — | Texas Rangers | Texas Rangers signed free agent RHP Erik Goeddel to a minor league contract and invited him to spring training. |
| Dec 19, 2017 | Trade | Jake Bray | Baltimore Orioles | Athletics | Baltimore Orioles traded RHP Jake Bray to Oakland Athletics. |
| Dec 19, 2017 | Trade | Jonah Heim | Tampa Bay Rays | Athletics | Tampa Bay Rays traded C Jonah Heim to Oakland Athletics. |
| Dec 19, 2017 | Released | Leonel Campos | — | Cleveland Guardians | Cleveland Indians released RHP Leonel Campos. |
| Dec 19, 2017 | Signed as free agent | Jake Buchanan | — | Arizona Diamondbacks | Arizona Diamondbacks signed free agent RHP Jake Buchanan to a minor league contract and invited him to spring training. |
| Dec 19, 2017 | Signed as free agent | Shane Peterson | — | San Diego Padres | San Diego Padres signed free agent RF Shane Peterson to a minor league contract and invited him to spring training. |
| Dec 19, 2017 | Signed as free agent | Tony Cruz | — | Cincinnati Reds | Cincinnati Reds signed free agent C Tony Cruz to a minor league contract and invited him to spring training. |
| Dec 19, 2017 | Signed as free agent | Ryan Court | — | Chicago Cubs | Chicago Cubs signed free agent SS Ryan Court to a minor league contract and invited him to spring training. |
| Dec 19, 2017 | Signed as free agent | Jacob Turner | — | Miami Marlins | Miami Marlins signed free agent RHP Jacob Turner to a minor league contract and invited him to spring training. |
| Dec 19, 2017 | Signed as free agent | Daniel Wright | — | Cincinnati Reds | Cincinnati Reds signed free agent RHP Daniel Wright to a minor league contract. |
| Dec 18, 2017 | Signed as free agent | Mitch Moreland | — | Boston Red Sox | Boston Red Sox signed free agent 1B Mitch Moreland. |
| Dec 18, 2017 | Signed as free agent | Lisalverto Bonilla | — | Cleveland Guardians | Cleveland Indians signed free agent RHP Lisalverto Bonilla to a minor league contract and invited him to spring training. |
| Dec 18, 2017 | Released | Andrew Albers | — | Seattle Mariners | Seattle Mariners released LHP Andrew Albers. |
| Dec 18, 2017 | Released | Adrián González | — | Atlanta Braves | Atlanta Braves released 1B Adrian Gonzalez. |
| Dec 18, 2017 | Signed as free agent | Javy Guerra | — | Miami Marlins | Miami Marlins signed free agent RHP Javy Guerra to a minor league contract and invited him to spring training. |
| Dec 18, 2017 | Signed as free agent | Chris Smith | — | Washington Nationals | Washington Nationals signed free agent RHP Chris Smith to a minor league contract and invited him to spring training. |
| Dec 18, 2017 | Signed as free agent | César Vargas | — | Washington Nationals | Washington Nationals signed free agent RHP Cesar Vargas to a minor league contract and invited him to spring training. |
| Dec 18, 2017 | Signed as free agent | Erik Davis | — | Milwaukee Brewers | Milwaukee Brewers signed free agent RHP Erik Davis to a minor league contract and invited him to spring training. |
| Dec 18, 2017 | Signed as free agent | Trevor Abrams | — | San Francisco Giants | San Francisco Giants signed free agent 3B Trevor Abrams to a minor league contract. |
| Dec 18, 2017 | Signed as free agent | Jordy Ortega | — | Pittsburgh Pirates | Pittsburgh Pirates signed free agent RHP Jordy Ortega to a minor league contract. |
| Dec 18, 2017 | Signed as free agent | Sonny Vargas | — | San Francisco Giants | San Francisco Giants signed free agent LHP Sonny Vargas to a minor league contract. |
| Dec 18, 2017 | Signed as free agent | Jelfry Marte | — | Tampa Bay Rays | Tampa Bay Rays signed free agent SS Jelfry Marte to a minor league contract. |
| Dec 17, 2017 | Signed as free agent | Jordan Lyles | — | San Diego Padres | San Diego Padres signed free agent RHP Jordan Lyles. |
| Dec 16, 2017 | Signed as free agent | Steve Cishek | — | Chicago Cubs | Chicago Cubs signed free agent RHP Steve Cishek. |
| Dec 16, 2017 | Trade | Adrián González | Los Angeles Dodgers | Atlanta Braves | Atlanta Braves traded LF Matt Kemp to Los Angeles Dodgers for Adrian Gonzalez, LHP Scott Kazmir, RHP Brandon McCarthy, LF Charlie Culberson and cash. |
| Dec 16, 2017 | Signed as free agent | Livan Soto | — | Los Angeles Angels | Los Angeles Angels signed free agent SS Livan Soto to a minor league contract. |
| Dec 16, 2017 | Signed as free agent | Kevin Maitan | — | Los Angeles Angels | Los Angeles Angels signed free agent SS Kevin Maitan to a minor league contract. |
| Dec 16, 2017 | Signed as free agent | Angel Ventura | — | Milwaukee Brewers | Milwaukee Brewers signed free agent RHP Angel Ventura to a minor league contract. |
| Dec 16, 2017 | Signed as free agent | Taylor Davis | — | Chicago Cubs | Chicago Cubs signed free agent C Taylor Davis to a minor league contract and invited him to spring training. |
| Dec 16, 2017 | Signed as free agent | Ismael Guillón | — | Washington Nationals | Washington Nationals signed free agent LHP Ismael Guillon to a minor league contract and invited him to spring training. |
| Dec 16, 2017 | Signed as free agent | Tommy Milone | — | Washington Nationals | Washington Nationals signed free agent LHP Tommy Milone to a minor league contract and invited him to spring training. |
| Dec 16, 2017 | Signed as free agent | Ryan Bollinger | — | New York Yankees | New York Yankees signed free agent LHP Ryan Bollinger to a minor league contract. |
| Dec 15, 2017 | Signed as free agent | Chris Martin | — | Texas Rangers | Texas Rangers signed free agent RHP Chris Martin. |
| Dec 15, 2017 | Signed as free agent | Taylor Featherston | — | Minnesota Twins | Minnesota Twins signed free agent 2B Taylor Featherston to a minor league contract and invited him to spring training. |
| Dec 15, 2017 | Signed as free agent | James Ramsey | — | Minnesota Twins | Minnesota Twins signed free agent OF James Ramsey to a minor league contract. |
| Dec 15, 2017 | Signed as free agent | Wynston Sawyer | — | Minnesota Twins | Minnesota Twins signed free agent C Wynston Sawyer to a minor league contract. |
| Dec 15, 2017 | Trade | Enyel De Los Santos | San Diego Padres | Philadelphia Phillies | Philadelphia Phillies traded SS Freddy Galvis to San Diego Padres for RHP Enyel De Los Santos. |
| Dec 15, 2017 | Signed as free agent | Fernando Rodney | — | Minnesota Twins | Minnesota Twins signed free agent RHP Fernando Rodney. |
| Dec 15, 2017 | Signed as free agent | Bryan Shaw | — | Colorado Rockies | Colorado Rockies signed free agent RHP Bryan Shaw. |
| Dec 15, 2017 | Signed as free agent | Jake McGee | — | Colorado Rockies | Colorado Rockies signed free agent LHP Jake McGee. |
| Dec 15, 2017 | Signed as free agent | Zack Cozart | — | Los Angeles Angels | Los Angeles Angels signed free agent 2B Zack Cozart. |
| Dec 15, 2017 | Signed as free agent | Pat Neshek | — | Philadelphia Phillies | Philadelphia Phillies signed free agent RHP Pat Neshek. |
| Dec 15, 2017 | Signed as free agent | Héctor Rondón | — | Houston Astros | Houston Astros signed free agent RHP Hector Rondon. |
| Dec 15, 2017 | Signed as free agent | Jose Lobatón | — | New York Mets | New York Mets signed free agent C Jose Lobaton to a minor league contract and invited him to spring training. |
| Dec 15, 2017 | Signed as free agent | Anthony Swarzak | — | New York Mets | New York Mets signed free agent RHP Anthony Swarzak. |
| Dec 15, 2017 | Signed as free agent | Rafael Ortega | — | Miami Marlins | Miami Marlins signed free agent LF Rafael Ortega to a minor league contract and invited him to spring training. |
| Dec 15, 2017 | Signed as free agent | Cristhian Adames | — | Miami Marlins | Miami Marlins signed free agent SS Cristhian Adames to a minor league contract and invited him to spring training. |
| Dec 15, 2017 | Signed as free agent | Alex Wimmers | — | Miami Marlins | Miami Marlins signed free agent RHP Alex Wimmers to a minor league contract and invited him to spring training. |
| Dec 15, 2017 | Signed as free agent | Mike Broadway | — | Kansas City Royals | Kansas City Royals signed free agent RHP Mike Broadway to a minor league contract. |
| Dec 15, 2017 | Signed as free agent | Cody Asche | — | Kansas City Royals | Kansas City Royals signed free agent DH Cody Asche to a minor league contract and invited him to spring training. |
| Dec 15, 2017 | Trade | Israel Cruz | Texas Rangers | San Francisco Giants | San Francisco Giants traded LHP Matt Moore and Future Considerations to Texas Rangers for RHP Sam Wolff and RHP Israel Cruz. |
| Dec 15, 2017 | Signed as free agent | Tommy Hunter | — | Philadelphia Phillies | Philadelphia Phillies signed free agent RHP Tommy Hunter. |
| Dec 15, 2017 | Signed as free agent | Shawn O'Malley | — | Colorado Rockies | Colorado Rockies signed free agent SS Shawn O'Malley to a minor league contract and invited him to spring training. |
| Dec 15, 2017 | Signed as free agent | Conrad Gregor | — | Boston Red Sox | Boston Red Sox signed free agent 1B Conrad Gregor to a minor league contract. |
| Dec 15, 2017 | Signed as free agent | Elias Liriano | — | Philadelphia Phillies | Philadelphia Phillies signed free agent RHP Elias Liriano to a minor league contract. |
| Dec 15, 2017 | Signed as free agent | Fredely De Dios | — | Arizona Diamondbacks | Arizona Diamondbacks signed free agent RHP Fredely De Dios to a minor league contract. |
| Dec 15, 2017 | Signed as free agent | Cristian Pacheco | — | Arizona Diamondbacks | Arizona Diamondbacks signed free agent RHP Cristian Pacheco to a minor league contract. |
| Dec 15, 2017 | Signed as free agent | Adonis Paulino | — | Arizona Diamondbacks | Arizona Diamondbacks signed free agent RHP Adonis Paulino to a minor league contract. |
| Dec 15, 2017 | Signed as free agent | Israel Cruz | — | San Francisco Giants | San Francisco Giants signed free agent RHP Israel Cruz to a minor league contract. |
| Dec 14, 2017 | Trade | Nick Burdi | Philadelphia Phillies | Pittsburgh Pirates | Philadelphia Phillies traded RHP Nick Burdi to Pittsburgh Pirates for Future Considerations. |
| Dec 14, 2017 | Trade | Carlos Tocci | Chicago White Sox | Texas Rangers | Chicago White Sox traded CF Carlos Tocci to Texas Rangers for cash. |
| Dec 14, 2017 | Signed as free agent | Hanser Alberto | — | Texas Rangers | Texas Rangers signed free agent 3B Hanser Alberto to a minor league contract and invited him to spring training. |
| Dec 14, 2017 | Signed as free agent | Kevin Jepsen | — | Texas Rangers | Texas Rangers signed free agent RHP Kevin Jepsen to a minor league contract and invited him to spring training. |
| Dec 14, 2017 | Trade | Yairo Muñoz | Athletics | St. Louis Cardinals | St. Louis Cardinals traded RF Stephen Piscotty to Oakland Athletics for 2B Max Schrock and 3B Yairo Munoz. |
| Dec 14, 2017 | Trade | Burch Smith | New York Mets | Kansas City Royals | New York Mets traded RHP Burch Smith to Kansas City Royals for Future Considerations. |
| Dec 14, 2017 | Trade | Brad Keller | Cincinnati Reds | Kansas City Royals | Cincinnati Reds traded RHP Brad Keller to Kansas City Royals for Future Considerations. |
| Dec 14, 2017 | Signed as free agent | R.J. Alaniz | — | Tampa Bay Rays | Tampa Bay Rays signed free agent RHP Ruben Alaniz to a minor league contract and invited him to spring training. |
| Dec 14, 2017 | Signed as free agent | Cody Hall | — | Tampa Bay Rays | Tampa Bay Rays signed free agent RHP Cody Hall to a minor league contract and invited him to spring training. |
| Dec 14, 2017 | Signed as free agent | Colton Murray | — | Tampa Bay Rays | Tampa Bay Rays signed free agent RHP Colton Murray to a minor league contract and invited him to spring training. |
| Dec 14, 2017 | Signed as free agent | Vidal Nuño | — | Tampa Bay Rays | Tampa Bay Rays signed free agent LHP Vidal Nuno to a minor league contract and invited him to spring training. |
| Dec 14, 2017 | Signed as free agent | Brandon Snyder | — | Tampa Bay Rays | Tampa Bay Rays signed free agent 1B Brandon Snyder to a minor league contract and invited him to spring training. |
| Dec 14, 2017 | Signed as free agent | Jonny Venters | — | Tampa Bay Rays | Tampa Bay Rays signed free agent LHP Jonny Venters to a minor league contract and invited him to spring training. |
| Dec 14, 2017 | Signed as free agent | Luke Gregerson | — | St. Louis Cardinals | St. Louis Cardinals signed free agent RHP Luke Gregerson. |
| Dec 14, 2017 | Trade | Daniel Castano | St. Louis Cardinals | Miami Marlins | Miami Marlins traded LF Marcell Ozuna to St. Louis Cardinals for LHP Daniel Castano, RF Magneuris Sierra, RHP Sandy Alcantara and RHP Zac Gallen. |
| Dec 14, 2017 | Signed as free agent | Michael Kelly | — | Baltimore Orioles | Baltimore Orioles signed free agent Michael Kelly. |
| Dec 13, 2017 | Signed as free agent | Michael Pineda | — | Minnesota Twins | Minnesota Twins signed free agent RHP Michael Pineda. |
| Dec 13, 2017 | Trade | Anthony Misiewicz | Tampa Bay Rays | Seattle Mariners | Tampa Bay Rays traded LHP Anthony Misiewicz to Seattle Mariners for Future Considerations. |
| Dec 13, 2017 | Trade | Shawn Armstrong | Cleveland Guardians | Seattle Mariners | Cleveland Indians traded RHP Shawn Armstrong to Seattle Mariners for Future Considerations. |
| Dec 13, 2017 | Released | Edinson Volquez | — | Miami Marlins | Miami Marlins released RHP Edinson Volquez. |
| Dec 13, 2017 | Signed as free agent | Joe Smith | — | Houston Astros | Houston Astros signed free agent RHP Joe Smith. |
| Dec 13, 2017 | Trade | Wilkel Hernandez | Los Angeles Angels | Detroit Tigers | Los Angeles Angels traded OF Troy Montgomery and RHP Wilkel Hernandez to Detroit Tigers for 2B Ian Kinsler. |
| Dec 13, 2017 | Signed as free agent | Keithron Moss | — | Texas Rangers | Texas Rangers signed free agent SS Keithron Moss to a minor league contract. |
| Dec 13, 2017 | Signed as free agent | Emiliano Brazon | — | Philadelphia Phillies | Philadelphia Phillies signed free agent RHP Jose Brazon to a minor league contract. |
| Dec 13, 2017 | Signed as free agent | Heriberto Hernández | — | Texas Rangers | Texas Rangers signed free agent C Heriberto Hernandez to a minor league contract. |
| Dec 13, 2017 | Signed as free agent | Jeremia Almonte | — | Texas Rangers | Texas Rangers signed free agent SS Jeremia Almonte to a minor league contract. |
| Dec 13, 2017 | Signed as free agent | Stanley Guzman | — | Texas Rangers | Texas Rangers signed free agent RHP Stanley Guzman to a minor league contract. |
| Dec 13, 2017 | Signed as free agent | Yosmel Naranjo | — | Philadelphia Phillies | Philadelphia Phillies signed free agent LHP Yosmel Naranjo to a minor league contract. |
| Dec 13, 2017 | Signed as free agent | Daivin Perez | — | Philadelphia Phillies | Philadelphia Phillies signed free agent LHP Daivin Perez to a minor league contract. |
| Dec 12, 2017 | Trade | Chase Headley | New York Yankees | San Diego Padres | New York Yankees traded 3B Chase Headley, RHP Bryan Mitchell and cash to San Diego Padres for RF Jabari Blash. |
| Dec 12, 2017 | Trade | Deion Tansel | Tampa Bay Rays | San Diego Padres | San Diego Padres traded 3B Ryan Schimpf to Tampa Bay Rays for SS Deion Tansel. |
| Dec 12, 2017 | Signed as free agent | Drew Smyly | — | Chicago Cubs | Chicago Cubs signed free agent LHP Drew Smyly. |
| Dec 12, 2017 | Signed as free agent | Brandon Morrow | — | Chicago Cubs | Chicago Cubs signed free agent RHP Brandon Morrow. |
| Dec 12, 2017 | Signed as free agent | Rymer Liriano | — | Los Angeles Angels | Los Angeles Angels signed free agent RF Rymer Liriano to a minor league contract and invited him to spring training. |
| Dec 12, 2017 | Signed as free agent | Jeremy Jimenez | — | Detroit Tigers | Detroit Tigers signed free agent C Jeremy Jimenez to a minor league contract. |
| Dec 12, 2017 | Signed as free agent | Oswal Torres | — | Detroit Tigers | Detroit Tigers signed free agent RHP Oswal Torres to a minor league contract. |
| Dec 12, 2017 | Signed as free agent | Ricardo Frias | — | Texas Rangers | Texas Rangers signed free agent LHP Ricardo Frias to a minor league contract. |
| Dec 12, 2017 | Signed as free agent | Daniel De Leon | — | Texas Rangers | Texas Rangers signed free agent RHP Daniel De Leon to a minor league contract. |
| Dec 12, 2017 | Signed as free agent | Royman Blanco | — | Boston Red Sox | Boston Red Sox signed free agent RHP Royman Blanco to a minor league contract. |
| Dec 11, 2017 | Trade | Giancarlo Stanton | Miami Marlins | New York Yankees | Miami Marlins traded DH Giancarlo Stanton and cash to New York Yankees for 2B Starlin Castro, RHP Jorge Guzman and SS Jose Devers. |
| Dec 11, 2017 | Signed as free agent | Tim Federowicz | — | Houston Astros | Houston Astros signed free agent C Tim Federowicz to a minor league contract and invited him to spring training. |
| Dec 11, 2017 | Signed as free agent | Matt Ramsey | — | Houston Astros | Houston Astros signed free agent RHP Matt Ramsey to a minor league contract and invited him to spring training. |
| Dec 11, 2017 | Trade | Joey Wendle | Athletics | Tampa Bay Rays | Oakland Athletics traded 2B Joey Wendle to Tampa Bay Rays for Player To Be Named Later. |
| Dec 11, 2017 | 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. |
| Dec 10, 2017 | Signed as free agent | Jess Williams | — | Milwaukee Brewers | Milwaukee Brewers signed free agent SS Jesse Williams to a minor league contract. |
| Dec 10, 2017 | Signed as free agent | Alex Hall | — | Milwaukee Brewers | Milwaukee Brewers signed free agent C Alex Hall to a minor league contract. |
| Dec 10, 2017 | Released | Seth Frankoff | — | Seattle Mariners | Seattle Mariners released RHP Seth Frankoff. |
| Dec 10, 2017 | Signed as free agent | Albert Suárez | — | San Francisco Giants | San Francisco Giants signed free agent RHP Albert Suarez to a minor league contract. |
| Dec 10, 2017 | Signed as free agent | David Goforth | — | Washington Nationals | Washington Nationals signed free agent RHP David Goforth to a minor league contract and invited him to spring training. |
| Dec 9, 2017 | Signed as free agent | Shohei Ohtani | — | Los Angeles Angels | Los Angeles Angels signed free agent RHP Shohei Ohtani to a minor league contract. |
| Dec 9, 2017 | Signed as free agent | Erick Flores | — | Boston Red Sox | Boston Red Sox signed free agent C Erick Flores to a minor league contract. |
| Dec 8, 2017 | Signed as free agent | Mike Fiers | — | Detroit Tigers | Detroit Tigers signed free agent RHP Mike Fiers. |
| Dec 8, 2017 | Signed as free agent | Chris Iannetta | — | Colorado Rockies | Colorado Rockies signed free agent C Chris Iannetta. |
| Dec 8, 2017 | Signed as free agent | Kyle Crockett | — | Cincinnati Reds | Cincinnati Reds signed free agent LHP Kyle Crockett to a minor league contract and invited him to spring training. |
| Dec 8, 2017 | Signed as free agent | Francisco Peña | — | St. Louis Cardinals | St. Louis Cardinals signed free agent C Francisco Pena to a minor league contract. |
| Dec 8, 2017 | Signed as free agent | Roberto Francisco | — | Detroit Tigers | Detroit Tigers signed free agent RHP Roberto Francisco to a minor league contract. |
| Dec 8, 2017 | Signed as free agent | Yenci Pena | — | Texas Rangers | Texas Rangers signed free agent SS Yenci Pena to a minor league contract. |
| Dec 8, 2017 | Signed as free agent | Yunior Severino | — | Minnesota Twins | Minnesota Twins signed free agent 2B Yunior Severino to a minor league contract. |
| Dec 7, 2017 | Signed as free agent | Leonardo Reginatto | — | Minnesota Twins | Minnesota Twins signed free agent 3B Leonardo Reginatto to a minor league contract. |
| Dec 7, 2017 | Signed as free agent | Brock Stassi | — | Minnesota Twins | Minnesota Twins signed free agent 1B Brock Stassi to a minor league contract and invited him to spring training. |
| Dec 7, 2017 | Signed as free agent | Gregorio Petit | — | Minnesota Twins | Minnesota Twins signed free agent 2B Gregorio Petit to a minor league contract and invited him to spring training. |
| Dec 7, 2017 | Signed as free agent | Tyler Chatwood | — | Chicago Cubs | Chicago Cubs signed free agent RHP Tyler Chatwood. |
| Dec 7, 2017 | Signed as free agent | Scott Barlow | — | Kansas City Royals | Kansas City Royals signed free agent Scott Barlow. |
| Dec 7, 2017 | Trade | Nick Neidert | Seattle Mariners | Miami Marlins | Miami Marlins traded CF Dee Gordon and Future Considerations to Seattle Mariners for RHP Nick Neidert, RHP Robert Dugger and Chris Torres. |
| Dec 7, 2017 | Signed as free agent | Todd Cunningham | — | Pittsburgh Pirates | Pittsburgh Pirates signed free agent CF Todd Cunningham to a minor league contract and invited him to spring training. |
| Dec 7, 2017 | Signed as free agent | Richard Rodríguez | — | Pittsburgh Pirates | Pittsburgh Pirates signed free agent RHP Richard Rodriguez to a minor league contract and invited him to spring training. |
| Dec 7, 2017 | Signed as free agent | Yusmeiro Petit | — | Athletics | Oakland Athletics signed free agent RHP Yusmeiro Petit. |
| Dec 7, 2017 | Signed as free agent | Michael Martinez | — | Cleveland Guardians | Cleveland Indians signed free agent 2B Michael Martinez to a minor league contract and invited him to spring training. |
| Dec 7, 2017 | Signed as free agent | Erik Kratz | — | New York Yankees | New York Yankees signed free agent C Erik Kratz to a minor league contract and invited him to spring training. |
| Dec 7, 2017 | Signed as free agent | Alan Perdomo | — | Colorado Rockies | Colorado Rockies signed free agent RHP Alan Perdomo to a minor league contract. |
| Dec 7, 2017 | 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. |
| Dec 7, 2017 | Signed as free agent | Ronaiker Palma | — | Colorado Rockies | Colorado Rockies signed free agent C Ronaiker Palma to a minor league contract. |
| Dec 7, 2017 | Signed as free agent | Francisco Jimenez | — | Detroit Tigers | Detroit Tigers signed free agent RHP Francisco Jimenez to a minor league contract. |
| Dec 7, 2017 | Signed as free agent | Wirliel Rangel | — | Detroit Tigers | Detroit Tigers signed free agent RHP Wirliel Rangel to a minor league contract. |
| Dec 7, 2017 | Signed as free agent | Greg Jones | — | Colorado Rockies | Colorado Rockies signed free agent C Greg Jones to a minor league contract. |
| Dec 6, 2017 | Signed as free agent | Mike Minor | — | Texas Rangers | Texas Rangers signed free agent LHP Mike Minor. |
| Dec 6, 2017 | Signed as free agent | T.J. McFarland | — | Arizona Diamondbacks | Arizona Diamondbacks signed free agent LHP T.J. McFarland. |
| Dec 6, 2017 | Released | Tim Adleman | — | Cincinnati Reds | Cincinnati Reds released RHP Tim Adleman. |
| Dec 6, 2017 | Trade | David Bañuelos | Seattle Mariners | Minnesota Twins | Seattle Mariners traded C David Banuelos to Minnesota Twins for Future Considerations. |
| Dec 6, 2017 | Trade | Jacob Pearson | Los Angeles Angels | Minnesota Twins | Los Angeles Angels traded LF Jacob Pearson to Minnesota Twins for Future Considerations. |
| Dec 6, 2017 | Signed as free agent | Dustin Houle | — | Milwaukee Brewers | Milwaukee Brewers signed free agent C Dustin Houle to a minor league contract. |
| Dec 6, 2017 | Signed as free agent | Guillo Zuñiga | — | Los Angeles Dodgers | Los Angeles Dodgers signed free agent RHP Guillermo Zuniga to a minor league contract. |
| Dec 5, 2017 | Signed as free agent | Miles Mikolas | — | St. Louis Cardinals | St. Louis Cardinals signed free agent RHP Miles Mikolas. |
| Dec 5, 2017 | Signed as free agent | Leonys Martin | — | Detroit Tigers | Detroit Tigers signed free agent CF Leonys Martin. |
| Dec 5, 2017 | Signed as free agent | Enrique Burgos | — | Detroit Tigers | Detroit Tigers signed free agent RHP Enrique Burgos to a minor league contract and invited him to spring training. |
| Dec 5, 2017 | Signed as free agent | Derek Norris | — | Detroit Tigers | Detroit Tigers signed free agent C Derek Norris to a minor league contract and invited him to spring training. |
| Dec 5, 2017 | Signed as free agent | Edwin Espinal | — | Detroit Tigers | Detroit Tigers signed free agent 1B Edwin Espinal to a minor league contract and invited him to spring training. |
| Dec 5, 2017 | Signed as free agent | James Adduci | — | Detroit Tigers | Detroit Tigers signed free agent RF Jim Adduci to a minor league contract and invited him to spring training. |
| Dec 5, 2017 | Signed as free agent | Wily Peralta | — | Kansas City Royals | Kansas City Royals signed free agent RHP Wily Peralta. |
| Dec 5, 2017 | Signed as free agent | Madison Younginer IV | — | San Francisco Giants | San Francisco Giants signed free agent RHP Madison Younginer to a minor league contract and invited him to spring training. |
| Dec 5, 2017 | Signed as free agent | Brooks Pounders | — | Colorado Rockies | Colorado Rockies signed free agent RHP Brooks Pounders to a minor league contract and invited him to spring training. |
| Dec 5, 2017 | Signed as free agent | Cristofe Tineo | — | Boston Red Sox | Boston Red Sox signed free agent RHP Cristofe Tineo to a minor league contract. |
| Dec 5, 2017 | Signed as free agent | Juan Crisostomo | — | Boston Red Sox | Boston Red Sox signed free agent RHP Juan Crisostomo to a minor league contract. |
| Dec 5, 2017 | Signed as free agent | Luis Amoroso | — | Colorado Rockies | Colorado Rockies signed free agent RHP Luis Amoroso to a minor league contract. |
| Dec 5, 2017 | Signed as free agent | Carlos Perez | — | Colorado Rockies | Colorado Rockies signed free agent RHP Carlos Perez to a minor league contract. |
| Dec 5, 2017 | Signed as free agent | Yefri Del Rosario | — | Kansas City Royals | Kansas City Royals signed free agent RHP Yefri Del Rosario to a minor league contract. |
| Dec 4, 2017 | Signed as free agent | Chi Chi González | — | Texas Rangers | Texas Rangers signed free agent RHP Chi Chi Gonzalez to a minor league contract and invited him to spring training. |
| Dec 4, 2017 | Signed as free agent | Anthony Gose | — | Texas Rangers | Texas Rangers signed free agent LHP Anthony Gose to a minor league contract and invited him to spring training. |
| Dec 4, 2017 | Signed as free agent | David Hurlbut | — | Texas Rangers | Texas Rangers signed free agent LHP David Hurlbut to a minor league contract and invited him to spring training. |
| Dec 4, 2017 | Signed as free agent | Christian Lopes | — | Texas Rangers | Texas Rangers signed free agent 3B Christian Lopes to a minor league contract and invited him to spring training. |
| Dec 4, 2017 | Signed as free agent | Tony Barnette | — | Texas Rangers | Texas Rangers signed free agent RHP Tony Barnette. |
| Dec 4, 2017 | Signed as free agent | Rob Brantly | — | Atlanta Braves | Atlanta Braves signed free agent C Rob Brantly to a minor league contract and invited him to spring training. |
| Dec 4, 2017 | Signed as free agent | Christian Colón | — | Atlanta Braves | Atlanta Braves signed free agent 2B Christian Colon to a minor league contract and invited him to spring training. |
| Dec 2, 2017 | Signed as free agent | Terrance Gore | — | Kansas City Royals | Kansas City Royals signed free agent LF Terrance Gore to a minor league contract and invited him to spring training. |
| Dec 1, 2017 | Signed as free agent | Welington Castillo | — | Chicago White Sox | Chicago White Sox signed free agent C Welington Castillo. |
| Dec 1, 2017 | Signed as free agent | Christian Binford | — | Baltimore Orioles | Baltimore Orioles signed free agent RHP Christian Binford to a minor league contract. |
| Dec 1, 2017 | Signed as free agent | Perci Garner | — | Baltimore Orioles | Baltimore Orioles signed free agent RHP Perci Garner to a minor league contract and invited him to spring training. |
| Dec 1, 2017 | Signed as free agent | Jason Gurka | — | Baltimore Orioles | Baltimore Orioles signed free agent LHP Jason Gurka to a minor league contract and invited him to spring training. |
| Dec 1, 2017 | Signed as free agent | Luis Lugo | — | Baltimore Orioles | Baltimore Orioles signed free agent LHP Luis Lugo to a minor league contract. |
| Dec 1, 2017 | Signed as free agent | Asher Wojciechowski | — | Baltimore Orioles | Baltimore Orioles signed free agent RHP Asher Wojciechowski to a minor league contract and invited him to spring training. |
| Dec 1, 2017 | Trade | J.B. Woodman | Toronto Blue Jays | St. Louis Cardinals | St. Louis Cardinals traded SS Aledmys Diaz to Toronto Blue Jays for CF J.B. Woodman. |
| Dec 1, 2017 | Signed as free agent | Tyler Marlette | — | Atlanta Braves | Atlanta Braves signed free agent C Tyler Marlette to a minor league contract and invited him to spring training. |
| Dec 1, 2017 | Signed as free agent | Jaff Decker | — | Atlanta Braves | Atlanta Braves signed free agent OF Jaff Decker to a minor league contract and invited him to spring training. |
| Dec 1, 2017 | Signed as free agent | Steven Baron | — | St. Louis Cardinals | St. Louis Cardinals signed free agent C Steven Baron to a minor league contract and invited him to spring training. |
| Dec 1, 2017 | Signed as free agent | Hanser Valerio | — | Colorado Rockies | Colorado Rockies signed free agent SS Hanser Valerio to a minor league contract. |
| Nov 30, 2017 | Trade | Brad Boxberger | Tampa Bay Rays | Arizona Diamondbacks | Arizona Diamondbacks traded RHP Curtis Taylor to Tampa Bay Rays for RHP Brad Boxberger. |
| Nov 30, 2017 | Signed as free agent | Brandon Barnes | — | Cleveland Guardians | Cleveland Indians signed free agent CF Brandon Barnes to a minor league contract and invited him to spring training. |
| Nov 30, 2017 | Signed as free agent | Evan Marshall | — | Cleveland Guardians | Cleveland Indians signed free agent RHP Evan Marshall to a minor league contract and invited him to spring training. |
| Nov 30, 2017 | Signed as free agent | Neil Ramírez | — | Cleveland Guardians | Cleveland Indians signed free agent RHP Neil Ramirez to a minor league contract and invited him to spring training. |
| Nov 30, 2017 | Trade | Jim Johnson | Atlanta Braves | Los Angeles Angels | Atlanta Braves traded RHP Jim Johnson to Los Angeles Angels for LHP Justin Kelly. |
| Nov 30, 2017 | Signed as free agent | Ryan LaMarre | — | Minnesota Twins | Minnesota Twins signed free agent LF Ryan LaMarre to a minor league contract and invited him to spring training. |
| Nov 30, 2017 | Signed as free agent | Bobby Wilson | — | Minnesota Twins | Minnesota Twins signed free agent C Bobby Wilson to a minor league contract and invited him to spring training. |
| Nov 30, 2017 | Signed as free agent | Willians Astudillo | — | Minnesota Twins | Minnesota Twins signed free agent C Willians Astudillo to a minor league contract and invited him to spring training. |
| Nov 30, 2017 | Signed as free agent | Myles Jaye | — | Minnesota Twins | Minnesota Twins signed free agent RHP Myles Jaye to a minor league contract and invited him to spring training. |
| Nov 30, 2017 | Released | Matt Carasiti | — | Chicago Cubs | Chicago Cubs released RHP Matt Carasiti. |
| Nov 30, 2017 | Signed as free agent | Jonathan Aro | — | San Diego Padres | San Diego Padres signed free agent RHP Jonathan Aro to a minor league contract and invited him to spring training. |
| Nov 30, 2017 | Signed as free agent | Raffy Lopez | — | San Diego Padres | San Diego Padres signed free agent C Raffy Lopez to a minor league contract and invited him to spring training. |
| Nov 30, 2017 | Signed as free agent | Bryan Holaday | — | Miami Marlins | Miami Marlins signed free agent C Bryan Holaday to a minor league contract and invited him to spring training. |
| Nov 30, 2017 | Signed as free agent | Bralin Jackson | — | Pittsburgh Pirates | Pittsburgh Pirates signed free agent OF Bralin Jackson to a minor league contract. |
| Nov 30, 2017 | Signed as free agent | Hamlet Marte | — | Los Angeles Dodgers | Los Angeles Dodgers signed free agent C Hamlet Marte to a minor league contract. |
| Nov 30, 2017 | Signed as free agent | Carlos Sano | — | San Francisco Giants | San Francisco Giants signed free agent RHP Carlos Sano to a minor league contract. |
| Nov 30, 2017 | Signed as free agent | Abraham Zambrano | — | Texas Rangers | Texas Rangers signed free agent 2B Abraham Zambrano to a minor league contract. |
| Nov 30, 2017 | Signed as free agent | Cesar Ortega | — | Texas Rangers | Texas Rangers signed free agent OF Cesar Ortega to a minor league contract. |
| Nov 29, 2017 | Signed as free agent | Dario Alvarez | — | Chicago Cubs | Chicago Cubs signed free agent Dario Alvarez. |
| Nov 29, 2017 | Signed as free agent | Colin Walsh | — | Los Angeles Angels | Los Angeles Angels signed free agent 2B Colin Walsh to a minor league contract and invited him to spring training. |
| Nov 29, 2017 | Signed as free agent | Jose Diaz | — | Detroit Tigers | Detroit Tigers signed free agent RHP Jose Diaz to a minor league contract. |
| Nov 29, 2017 | Signed as free agent | Orlando Zapata | — | Chicago Cubs | Chicago Cubs signed free agent 2B Orlando Zapata to a minor league contract. |
| Nov 29, 2017 | Signed as free agent | Freddy Pacheco | — | St. Louis Cardinals | St. Louis Cardinals signed free agent RHP Freddy Pacheco to a minor league contract. |
| Nov 29, 2017 | Signed as free agent | Brandol Mezquita | — | Atlanta Braves | Atlanta Braves signed free agent OF Brandol Mezquita to a minor league contract. |
| Nov 28, 2017 | Signed as free agent | Ralston Cash | — | Baltimore Orioles | Baltimore Orioles signed free agent RHP Ralston Cash to a minor league contract. |
| Nov 28, 2017 | Signed as free agent | Josh Edgin | — | Baltimore Orioles | Baltimore Orioles signed free agent LHP Josh Edgin to a minor league contract and invited him to spring training. |
| Nov 28, 2017 | Signed as free agent | Jeff Ferrell | — | Baltimore Orioles | Baltimore Orioles signed free agent RHP Jeff Ferrell to a minor league contract and invited him to spring training. |
| Nov 28, 2017 | Signed as free agent | Jhan Mariñez | — | Baltimore Orioles | Baltimore Orioles signed free agent RHP Jhan Marinez to a minor league contract and invited him to spring training. |
| Nov 28, 2017 | Signed as free agent | Angelo Mora | — | Baltimore Orioles | Baltimore Orioles signed free agent SS Angelo Mora to a minor league contract. |
| Nov 28, 2017 | Signed as free agent | Ryan O'Rourke | — | Baltimore Orioles | Baltimore Orioles signed free agent LHP Ryan O'Rourke to a minor league contract. |
| Nov 28, 2017 | Signed as free agent | Yojhan Quevedo | — | Baltimore Orioles | Baltimore Orioles signed free agent C Yojhan Quevedo to a minor league contract. |
| Nov 28, 2017 | Signed as free agent | Joely Rodríguez | — | Baltimore Orioles | Baltimore Orioles signed free agent LHP Joely Rodriguez to a minor league contract and invited him to spring training. |
| Nov 28, 2017 | Signed as free agent | Garabez Rosa | — | Baltimore Orioles | Baltimore Orioles signed free agent 2B Garabez Rosa to a minor league contract and invited him to spring training. |
| Nov 28, 2017 | Signed as free agent | Rubén Tejada | — | Baltimore Orioles | Baltimore Orioles signed free agent SS Ruben Tejada to a minor league contract and invited him to spring training. |
| Nov 28, 2017 | Signed as free agent | Doug Fister | — | Texas Rangers | Texas Rangers signed free agent RHP Doug Fister. |
| Nov 28, 2017 | Signed as free agent | Johnny Giavotella | — | Miami Marlins | Miami Marlins signed free agent 2B Johnny Giavotella to a minor league contract and invited him to spring training. |
| Nov 28, 2017 | Signed as free agent | Miguel Maiz | — | St. Louis Cardinals | St. Louis Cardinals signed free agent RHP Miguel Maiz to a minor league contract. |
| Nov 28, 2017 | Signed as free agent | Luis Garcia | — | St. Louis Cardinals | St. Louis Cardinals signed free agent RHP Luis Garcia to a minor league contract. |
| Nov 27, 2017 | Signed as free agent | Hisashi Iwakuma | — | Seattle Mariners | Seattle Mariners signed free agent RHP Hisashi Iwakuma to a minor league contract and invited him to spring training. |
| Nov 27, 2017 | Released | Angel Sánchez | — | Pittsburgh Pirates | Pittsburgh Pirates released RHP Angel Sanchez. |
| Nov 27, 2017 | Signed as free agent | Robert Stock | — | San Diego Padres | San Diego Padres signed free agent RHP Robert Stock to a minor league contract and invited him to spring training. |
| Nov 27, 2017 | Signed as free agent | Drew Rucinski | — | Miami Marlins | Miami Marlins signed free agent RHP Drew Rucinski to a minor league contract and invited him to spring training. |
| Nov 27, 2017 | Signed as free agent | Yadiel Rivera | — | Miami Marlins | Miami Marlins signed free agent 3B Yadiel Rivera to a minor league contract and invited him to spring training. |
| Nov 26, 2017 | Signed as free agent | Pat Venditte | — | Los Angeles Dodgers | Los Angeles Dodgers signed free agent SHP Pat Venditte to a minor league contract and invited him to spring training. |
| Nov 25, 2017 | Signed as free agent | Kevin Comer | — | Detroit Tigers | Detroit Tigers signed free agent RHP Kevin Comer to a minor league contract and invited him to spring training. |
| Nov 25, 2017 | Signed as free agent | Mark Montgomery | — | Detroit Tigers | Detroit Tigers signed free agent RHP Mark Montgomery to a minor league contract and invited him to spring training. |
| Nov 25, 2017 | Signed as free agent | Niko Goodrum | — | Detroit Tigers | Detroit Tigers signed free agent 3B Niko Goodrum to a minor league contract and invited him to spring training. |
| Nov 25, 2017 | Signed as free agent | Chad Huffman | — | Detroit Tigers | Detroit Tigers signed free agent LF Chad Huffman to a minor league contract and invited him to spring training. |
| Nov 24, 2017 | Signed as free agent | Jesen Therrien | — | Los Angeles Dodgers | Los Angeles Dodgers signed free agent RHP Jesen Therrien to a minor league contract. |
| Nov 24, 2017 | Signed as free agent | Jason Martinson | — | Washington Nationals | Washington Nationals signed free agent 3B Jason Martinson to a minor league contract. |
| Nov 24, 2017 | Signed as free agent | Juan Toribio | — | Colorado Rockies | Colorado Rockies signed free agent RHP Juan Toribio to a minor league contract. |
| Nov 23, 2017 | Signed as free agent | Alfredo Reyes | — | Pittsburgh Pirates | Pittsburgh Pirates signed free agent SS Alfredo Reyes to a minor league contract. |
| Nov 23, 2017 | Signed as free agent | Adrian Hernandez | — | Toronto Blue Jays | Toronto Blue Jays signed free agent LHP Adrian Hernandez to a minor league contract. |
| Nov 22, 2017 | Signed as free agent | Jeff Beliveau | — | Cleveland Guardians | Cleveland Indians signed free agent LHP Jeff Beliveau to a minor league contract and invited him to spring training. |
| Nov 22, 2017 | Signed as free agent | Leonel Campos | — | Cleveland Guardians | Cleveland Indians signed free agent RHP Leonel Campos to a minor league contract and invited him to spring training. |
| Nov 22, 2017 | Signed as free agent | Drew Maggi | — | Cleveland Guardians | Cleveland Indians signed free agent 3B Drew Maggi to a minor league contract and invited him to spring training. |
| Nov 22, 2017 | Signed as free agent | Colten Brewer | — | San Diego Padres | San Diego Padres signed free agent Colten Brewer. |
| Nov 22, 2017 | Trade | Jaycob Brugman | Athletics | Baltimore Orioles | Oakland Athletics traded CF Jaycob Brugman to Baltimore Orioles. |
| Nov 22, 2017 | Signed as free agent | Ezequiel Nin | — | Texas Rangers | Texas Rangers signed free agent RHP Ezequiel Nin to a minor league contract. |
| Nov 21, 2017 | Signed as free agent | Michael Mariot | — | San Diego Padres | San Diego Padres signed free agent RHP Michael Mariot to a minor league contract and invited him to spring training. |
| Nov 21, 2017 | Signed as free agent | Zach Borenstein | — | New York Mets | New York Mets signed free agent OF Zach Borenstein to a minor league contract and invited him to spring training. |
| Nov 21, 2017 | Signed as free agent | JB Shuck | — | Miami Marlins | Miami Marlins signed free agent LF J.B. Shuck to a minor league contract and invited him to spring training. |
| Nov 21, 2017 | Signed as free agent | Michael Brady | — | Milwaukee Brewers | Milwaukee Brewers signed free agent RHP Michael Brady to a minor league contract and invited him to spring training. |
| Nov 21, 2017 | Signed as free agent | Kelvin Vasquez | — | Atlanta Braves | Atlanta Braves signed free agent RHP Kelvin Vasquez to a minor league contract. |
| Nov 20, 2017 | Trade | Ronald Herrera | New York Yankees | Texas Rangers | New York Yankees traded RHP Ronald Herrera to Texas Rangers for LHP Reiver Sanmartin. |
| Nov 20, 2017 | Signed as free agent | Ryan Carpenter | — | Detroit Tigers | Detroit Tigers signed free agent Ryan Carpenter. |
| Nov 20, 2017 | Trade | Michael King | Miami Marlins | New York Yankees | New York Yankees traded LHP Caleb Smith and OF Garrett Cooper to Miami Marlins for Future Considerations and RHP Michael King. |
| Nov 20, 2017 | Trade | Brandon Bailey | Athletics | Houston Astros | Houston Astros traded OF Ramon Laureano to Oakland Athletics for RHP Brandon Bailey. |
| Nov 20, 2017 | Trade | Gift Ngoepe | Pittsburgh Pirates | Toronto Blue Jays | Pittsburgh Pirates traded SS Gift Ngoepe to Toronto Blue Jays. |
| Nov 20, 2017 | Trade | Josh Ravin | Los Angeles Dodgers | Atlanta Braves | Los Angeles Dodgers traded RHP Josh Ravin to Atlanta Braves for cash. |
| Nov 20, 2017 | Signed as free agent | Martin Cervenka | — | San Francisco Giants | San Francisco Giants signed free agent C Martin Cervenka to a minor league contract. |
| Nov 20, 2017 | Signed as free agent | Williams Pérez | — | Chicago Cubs | Chicago Cubs signed free agent RHP Williams Perez to a minor league contract and invited him to spring training. |
| Nov 20, 2017 | Signed as free agent | Mike Freeman | — | Chicago Cubs | Chicago Cubs signed free agent SS Mike Freeman to a minor league contract and invited him to spring training. |
| Nov 20, 2017 | Signed as free agent | Justin O'Conner | — | San Francisco Giants | San Francisco Giants signed free agent C Justin O'Conner to a minor league contract and invited him to spring training. |
| Nov 20, 2017 | Signed as free agent | Travis Taijeron | — | Los Angeles Dodgers | Los Angeles Dodgers signed free agent RF Travis Taijeron to a minor league contract and invited him to spring training. |
| Nov 20, 2017 | Signed as free agent | Deck McGuire | — | Toronto Blue Jays | Toronto Blue Jays signed free agent RHP Deck McGuire to a minor league contract and invited him to spring training. |
| Nov 20, 2017 | Signed as free agent | Victor Payano | — | Cincinnati Reds | Cincinnati Reds signed free agent LHP Victor Payano to a minor league contract. |
| Nov 20, 2017 | Signed as free agent | Carmelo Paulino | — | Arizona Diamondbacks | Arizona Diamondbacks signed free agent OF Carmelo Paulino to a minor league contract. |
| Nov 20, 2017 | Signed as free agent | Elian Pena | — | Los Angeles Angels | Los Angeles Angels signed free agent RHP Elian Pena to a minor league contract. |
| Nov 20, 2017 | Signed as free agent | Yoelvis Guedez | — | Boston Red Sox | Boston Red Sox signed free agent RHP Yoelvis Guedez to a minor league contract. |
| Nov 20, 2017 | Signed as free agent | Alonso Concepcion | — | Toronto Blue Jays | Toronto Blue Jays signed free agent OF Alonso Concepcion to a minor league contract. |
| Nov 19, 2017 | Signed as free agent | Ryan Raburn | — | Washington Nationals | Washington Nationals signed free agent OF Ryan Raburn to a minor league contract and invited him to spring training. |
| Nov 19, 2017 | Signed as free agent | Jorge Rodriguez | — | Boston Red Sox | Boston Red Sox signed free agent LHP Jorge Rodriguez to a minor league contract. |
| Nov 18, 2017 | Trade | JP Sears | Seattle Mariners | New York Yankees | Seattle Mariners traded LHP JP Sears and RHP Juan Then to New York Yankees for RHP Nick Rumbelow. |
| Nov 18, 2017 | Signed as free agent | Dustin Antolin | — | Chicago White Sox | Chicago White Sox signed free agent RHP Dustin Antolin to a minor league contract. |
| Nov 18, 2017 | Signed as free agent | Yonathan Mendoza | — | Seattle Mariners | Seattle Mariners signed free agent 3B Yonathan Mendoza to a minor league contract. |
| Nov 17, 2017 | Signed as free agent | Patrick Kivlehan | — | Cincinnati Reds | Cincinnati Reds signed free agent OF Patrick Kivlehan to a minor league contract and invited him to spring training. |
| Nov 17, 2017 | Signed as free agent | Matt Purke | — | New York Mets | New York Mets signed free agent LHP Matt Purke to a minor league contract and invited him to spring training. |
| Nov 17, 2017 | Signed as free agent | Rosell Herrera | — | Cincinnati Reds | Cincinnati Reds signed free agent LF Rosell Herrera to a minor league contract and invited him to spring training. |
| Nov 17, 2017 | Signed as free agent | Mason Williams | — | Cincinnati Reds | Cincinnati Reds signed free agent CF Mason Williams to a minor league contract and invited him to spring training. |
| Nov 17, 2017 | Signed as free agent | Anthony García | — | Athletics | Oakland Athletics signed free agent OF Anthony Garcia to a minor league contract. |
| Nov 16, 2017 | Trade | Thyago Vieira | Seattle Mariners | Chicago White Sox | Seattle Mariners traded RHP Thyago Vieira to Chicago White Sox for cash. |
| Nov 16, 2017 | Signed as free agent | Dusty Coleman | — | San Diego Padres | San Diego Padres signed free agent SS Dusty Coleman to a minor league contract and invited him to spring training. |
| Nov 16, 2017 | Signed as free agent | Miguel Socolovich | — | Atlanta Braves | Atlanta Braves signed free agent RHP Miguel Socolovich to a minor league contract and invited him to spring training. |
| Nov 16, 2017 | Signed as free agent | Sean Kazmar Jr. | — | Atlanta Braves | Atlanta Braves signed free agent SS Sean Kazmar Jr. to a minor league contract and invited him to spring training. |
| Nov 16, 2017 | Signed as free agent | Daniel Castro | — | Colorado Rockies | Colorado Rockies signed free agent SS Daniel Castro to a minor league contract and invited him to spring training. |
| Nov 16, 2017 | Signed as free agent | Luis Diaz | — | Arizona Diamondbacks | Arizona Diamondbacks signed free agent RHP Luis Diaz to a minor league contract. |
| Nov 16, 2017 | Signed as free agent | Sergio Sanchez | — | Philadelphia Phillies | Philadelphia Phillies signed free agent LHP Sergio Sanchez to a minor league contract. |
| Nov 15, 2017 | Trade | Hunter Cole | San Francisco Giants | Texas Rangers | San Francisco Giants traded RF Hunter Cole to Texas Rangers. |
| Nov 15, 2017 | Trade | Alexander Campos | Seattle Mariners | Athletics | Oakland Athletics traded 1B Ryon Healy to Seattle Mariners for SS Alexander Campos and RHP Emilio Pagan. |
| Nov 15, 2017 | Signed as free agent | Dereck Rodríguez | — | San Francisco Giants | San Francisco Giants signed free agent RHP Dereck Rodriguez to a minor league contract and invited him to spring training. |
| Nov 15, 2017 | Signed as free agent | Eduardo de Oleo | — | Houston Astros | Houston Astros signed free agent C Eduardo de Oleo to a minor league contract. |
| Nov 15, 2017 | Signed as free agent | Anderson Mercedes | — | Seattle Mariners | Seattle Mariners signed free agent LHP Anderson Mercedes to a minor league contract. |
| Nov 15, 2017 | Signed as free agent | Noelis Moreno | — | Philadelphia Phillies | Philadelphia Phillies signed free agent RHP Noelis Moreno to a minor league contract. |
| Nov 14, 2017 | Signed as free agent | Manny Banuelos | — | Los Angeles Dodgers | Los Angeles Dodgers signed free agent LHP Manny Banuelos to a minor league contract and invited him to spring training. |
| Nov 14, 2017 | Signed as free agent | Jaron Long | — | Washington Nationals | Washington Nationals signed free agent RHP Jaron Long to a minor league contract and invited him to spring training. |
| Nov 14, 2017 | Signed as free agent | Jose Mayorga | — | Toronto Blue Jays | Toronto Blue Jays signed free agent C Jose Mayorga to a minor league contract. |
| Nov 14, 2017 | Signed as free agent | Dantel Ramirez | — | Milwaukee Brewers | Milwaukee Brewers signed free agent RHP Dantel Ramirez to a minor league contract. |
| Nov 14, 2017 | Signed as free agent | Luis Gomez | — | Minnesota Twins | Minnesota Twins signed free agent SS Luis Gomez to a minor league contract. |
| Nov 14, 2017 | Signed as free agent | Emmy Morel | — | Texas Rangers | Texas Rangers signed free agent LHP Emmy Morel to a minor league contract. |
| Nov 14, 2017 | Signed as free agent | Beiker Pineda | — | Boston Red Sox | Boston Red Sox signed free agent RHP Beiker Pineda to a minor league contract. |
| Nov 13, 2017 | Signed as free agent | Joe Mantiply | — | Cincinnati Reds | Cincinnati Reds signed free agent LHP Joe Mantiply to a minor league contract and invited him to spring training. |
| Nov 13, 2017 | Signed as free agent | Saniel Santana | — | St. Louis Cardinals | St. Louis Cardinals signed free agent RHP Saniel Santana to a minor league contract. |
| Nov 10, 2017 | Signed as free agent | Chace Numata | — | New York Yankees | New York Yankees signed free agent C Chace Numata to a minor league contract and invited him to spring training. |
| Nov 10, 2017 | Signed as free agent | Michael Almanzar | — | Washington Nationals | Washington Nationals signed free agent 3B Michael Almanzar to a minor league contract. |
| Nov 10, 2017 | Signed as free agent | Johan Armado | — | New York Mets | New York Mets signed free agent LHP Johan Armado to a minor league contract. |
| Nov 10, 2017 | Signed as free agent | Yeison Perez | — | Minnesota Twins | Minnesota Twins signed free agent C Yeison Perez to a minor league contract. |
| Nov 9, 2017 | Signed as free agent | Yoandy Rea | — | Detroit Tigers | Detroit Tigers signed free agent C Yoandy Rea to a minor league contract. |
| Nov 8, 2017 | Released | Michael Tonkin | — | Minnesota Twins | Minnesota Twins released RHP Michael Tonkin. |
| Nov 8, 2017 | Signed as free agent | Eduardo Rivera | — | Cincinnati Reds | Cincinnati Reds signed free agent RHP Eduardo Rivera to a minor league contract. |
| Nov 8, 2017 | Signed as free agent | Joe Rogers | — | Atlanta Braves | Atlanta Braves signed free agent LHP Joe Rogers to a minor league contract. |
| Nov 8, 2017 | Signed as free agent | Joe Robbins | — | Arizona Diamondbacks | Arizona Diamondbacks signed free agent SS Joe Robbins to a minor league contract. |
| Nov 7, 2017 | Signed as free agent | Rubby De La Rosa | — | Arizona Diamondbacks | Arizona Diamondbacks signed free agent RHP Rubby De La Rosa to a minor league contract. |
| Nov 7, 2017 | Signed as free agent | Ariel Vega | — | Milwaukee Brewers | Milwaukee Brewers signed free agent RHP Ariel Vega to a minor league contract. |
| Nov 6, 2017 | Released | Trevor Rosenthal | — | St. Louis Cardinals | St. Louis Cardinals released RHP Trevor Rosenthal. |
| Nov 4, 2017 | Signed as free agent | Chris Nelson | — | Kansas City Royals | Kansas City Royals signed free agent RHP Chris Nelson to a minor league contract. |
| Nov 3, 2017 | Signed as free agent | Sebastian Tabata | — | St. Louis Cardinals | St. Louis Cardinals signed free agent RHP Sebastian Tabata to a minor league contract. |
| Nov 2, 2017 | Signed as free agent | Zachary Jones | — | Arizona Diamondbacks | Arizona Diamondbacks signed free agent C Zachary Jones to a minor league contract. |
| Nov 2, 2017 | Signed as free agent | Oswal Leones | — | Milwaukee Brewers | Milwaukee Brewers signed free agent OF Oswel Leones to a minor league contract. |
| Nov 1, 2017 | Signed as free agent | Branfiel Concepcion | — | Colorado Rockies | Colorado Rockies signed free agent OF Branfiel Concepcion to a minor league contract. |
| Nov 1, 2017 | Signed as free agent | Antonio Villalba | — | New York Mets | New York Mets signed free agent RHP Antonio Villalba to a minor league contract. |
| Nov 1, 2017 | Signed as free agent | Juan Miranda | — | Philadelphia Phillies | Philadelphia Phillies signed free agent LHP Juan Miranda to a minor league contract. |
| Oct 31, 2017 | Signed as free agent | Gustavo Andujar | — | Tampa Bay Rays | Tampa Bay Rays signed free agent RHP Gustavo Andujar to a minor league contract. |
| Oct 30, 2017 | Released | Norichika Aoki | — | New York Mets | New York Mets released OF Norichika Aoki. |
| Oct 30, 2017 | Signed as free agent | Kevin Quackenbush | — | Cincinnati Reds | Cincinnati Reds signed free agent RHP Kevin Quackenbush to a minor league contract and invited him to spring training. |
| Oct 27, 2017 | Signed as free agent | Argenis Batista | — | Boston Red Sox | Boston Red Sox signed free agent LHP Argenis Batista to a minor league contract. |
| Oct 25, 2017 | Signed as free agent | Juan Batista | — | Arizona Diamondbacks | Arizona Diamondbacks signed free agent OF Juan Batista to a minor league contract. |
| Oct 24, 2017 | Signed as free agent | Josue Ramirez | — | St. Louis Cardinals | St. Louis Cardinals signed free agent RHP Josue Ramirez to a minor league contract. |
| Oct 23, 2017 | Signed as free agent | Franniel Polanco | — | Toronto Blue Jays | Toronto Blue Jays signed free agent RHP Franniel Polanco to a minor league contract. |
| Oct 21, 2017 | Signed as free agent | Jose Hernandez | — | San Francisco Giants | San Francisco Giants signed free agent OF Jose Hernandez to a minor league contract. |
| Oct 21, 2017 | Signed as free agent | Freddery Paulino | — | San Francisco Giants | San Francisco Giants signed free agent RHP Freddery Paulino to a minor league contract. |
| Oct 20, 2017 | Signed as free agent | Kai-Wei Teng | — | Minnesota Twins | Minnesota Twins signed free agent RHP Kai-Wei Teng to a minor league contract. |
| Oct 20, 2017 | Signed as free agent | Martin Santana | — | Los Angeles Dodgers | Los Angeles Dodgers signed free agent RHP Martin Santana to a minor league contract. |
| Oct 14, 2017 | Signed as free agent | Moises Ruiz | — | Milwaukee Brewers | Milwaukee Brewers signed free agent RHP Moises Ruiz to a minor league contract. |
| Oct 14, 2017 | Signed as free agent | Jean Correa | — | Kansas City Royals | Kansas City Royals signed free agent RHP Jean Correa to a minor league contract. |
| Oct 14, 2017 | Signed as free agent | Edwin Tordecilla | — | New York Yankees | New York Yankees signed free agent C Edwin Tordecilla to a minor league contract. |
| Oct 13, 2017 | Signed as free agent | Cesar Gonzalez | — | San Francisco Giants | San Francisco Giants signed free agent C Cesar Gonzalez to a minor league contract. |
| Oct 13, 2017 | Signed as free agent | Rigoberto Borbolla | — | Arizona Diamondbacks | Arizona Diamondbacks signed free agent LHP Rigoberto Borbolla to a minor league contract. |
| Oct 12, 2017 | Signed as free agent | Darlin Guzman | — | Cincinnati Reds | Cincinnati Reds signed free agent OF Darlin Guzman to a minor league contract. |
| Oct 10, 2017 | Signed as free agent | Hanley Acevedo | — | Toronto Blue Jays | Toronto Blue Jays signed free agent OF Hanley Acevedo to a minor league contract. |
| Oct 9, 2017 | Trade | Félix Peña | Chicago Cubs | Los Angeles Angels | Chicago Cubs traded RHP Felix Pena to Los Angeles Angels for Player To Be Named Later. |
| Oct 9, 2017 | Signed as free agent | Daniel Aguilar | — | Cleveland Guardians | Cleveland Indians signed free agent OF Daniel Aguilar to a minor league contract. |
| Oct 9, 2017 | Signed as free agent | Danny Canellas | — | Toronto Blue Jays | Toronto Blue Jays signed free agent C Daniel Canellas to a minor league contract. |
| Oct 6, 2017 | Signed as free agent | Kelvin Bautista | — | Texas Rangers | Texas Rangers signed free agent LHP Kelvin Bautista to a minor league contract. |
| Oct 6, 2017 | Signed as free agent | Luis Montero | — | San Francisco Giants | San Francisco Giants signed free agent RHP Luis Montero to a minor league contract. |
| Oct 6, 2017 | Signed as free agent | Orlando Zapata | — | Chicago Cubs | Chicago Cubs signed free agent 2B Orlando Zapata to a minor league contract. |
| Oct 5, 2017 | Trade | Osmy Gregorio | Seattle Mariners | Tampa Bay Rays | Seattle Mariners traded SS Osmy Gregorio to Tampa Bay Rays. |
| Oct 4, 2017 | Released | Prince Fielder | — | Texas Rangers | Texas Rangers released DH Prince Fielder. |
| Oct 4, 2017 | Signed as free agent | Lorenzo Quintana | — | Houston Astros | Houston Astros signed free agent C Lorenzo Quintana to a minor league contract. |
| Oct 4, 2017 | Signed as free agent | Danny Bautista Jr. | — | Athletics | Oakland Athletics signed free agent SS Daniel Bautista to a minor league contract. |
| Oct 4, 2017 | Signed as free agent | Jesus Turizo | — | Los Angeles Dodgers | Los Angeles Dodgers signed free agent RHP Jesus Turizo to a minor league contract. |
| Oct 4, 2017 | Signed as free agent | Francisco Gonzalez | — | Milwaukee Brewers | Milwaukee Brewers signed free agent SS Francisco Gonzalez to a minor league contract. |
| Oct 3, 2017 | Signed as free agent | Jose Campos | — | Los Angeles Angels | Los Angeles Angels signed free agent RHP Vicente Campos to a minor league contract and invited him to spring training. |
| Oct 2, 2017 | Signed as free agent | Wilderd Patiño | — | Arizona Diamondbacks | Arizona Diamondbacks signed free agent CF Wilderd Patino to a minor league contract. |
| Oct 2, 2017 | Signed as free agent | Oscar Sanabria | — | New York Yankees | New York Yankees signed free agent 2B Oscar Sanabria to a minor league contract. |
| Oct 2, 2017 | Signed as free agent | Kleiber Bordones | — | Milwaukee Brewers | Milwaukee Brewers signed free agent RHP Kleiber Bordones to a minor league contract. |
| Oct 2, 2017 | Signed as free agent | Yohandry Sequera | — | Los Angeles Dodgers | Los Angeles Dodgers signed free agent SS Yohandry Sequera to a minor league contract. |
| Sep 30, 2017 | Signed as free agent | Wilmer Fenelon | — | Detroit Tigers | Detroit Tigers signed free agent RHP Wilmer Fenelon to a minor league contract. |
| Sep 30, 2017 | Signed as free agent | Johan Liberato | — | Colorado Rockies | Colorado Rockies signed free agent OF Johan Liberato to a minor league contract. |
| Sep 30, 2017 | Signed as free agent | Kevin Garcia | — | Colorado Rockies | Colorado Rockies signed free agent LHP Kevin Garcia to a minor league contract. |
| Sep 30, 2017 | Signed as free agent | Robinson Hernandez | — | Colorado Rockies | Colorado Rockies signed free agent RHP Robinson Hernandez to a minor league contract. |
| Sep 29, 2017 | Signed as free agent | Victor Mendez | — | Colorado Rockies | Colorado Rockies signed free agent LHP Victor Mendez to a minor league contract. |
| Sep 29, 2017 | Signed as free agent | Roger Contreras | — | Colorado Rockies | Colorado Rockies signed free agent RHP Roger Contreras to a minor league contract. |
| Sep 28, 2017 | Signed as free agent | Donny Breek | — | Minnesota Twins | Minnesota Twins signed free agent RHP Donny Breek to a minor league contract. |
| Sep 28, 2017 | Signed as free agent | Alexander Guerra | — | Chicago Cubs | Chicago Cubs signed free agent C Alexander Guerra to a minor league contract. |
| Sep 28, 2017 | Signed as free agent | Rolfy Vargas | — | New York Mets | New York Mets signed free agent RHP Rolfy Vargas to a minor league contract. |
| Sep 27, 2017 | Signed as free agent | Diony Joseph | — | Washington Nationals | Washington Nationals signed free agent OF Diony Joseph to a minor league contract. |
| Sep 26, 2017 | Signed as free agent | Unnamed | — | Detroit Tigers | Detroit Tigers signed free agent 3B Pedro Jaime to a minor league contract. |
| Sep 25, 2017 | Signed as free agent | Miguel Suero | — | Boston Red Sox | Boston Red Sox signed free agent RHP Miguel Suero to a minor league contract. |
| Sep 25, 2017 | Signed as free agent | Yonson Guerrero | — | Detroit Tigers | Detroit Tigers signed free agent RHP Yonson Guerrero to a minor league contract. |
| Sep 25, 2017 | Signed as free agent | Raúl Alcantara | — | Seattle Mariners | Seattle Mariners signed free agent LHP Raul Alcantara to a minor league contract. |
| Sep 24, 2017 | Trade | Connor Joe | Atlanta Braves | Los Angeles Dodgers | Atlanta Braves traded 3B Connor Joe to Los Angeles Dodgers for Future Considerations. |
| Sep 24, 2017 | Signed as free agent | Felix Gomez | — | Boston Red Sox | Boston Red Sox signed free agent LHP Felix Gomez to a minor league contract. |
| Sep 23, 2017 | Signed as free agent | Angel Maita | — | Boston Red Sox | Boston Red Sox signed free agent OF Angel Maita to a minor league contract. |
| Sep 23, 2017 | Signed as free agent | Jesus Maita | — | Boston Red Sox | Boston Red Sox signed free agent OF Jesus Maita to a minor league contract. |
| Sep 23, 2017 | Signed as free agent | Abraham Figueroa | — | Cleveland Guardians | Cleveland Indians signed free agent LHP Abraham Figueroa to a minor league contract. |
| Sep 22, 2017 | Signed as free agent | Niklas Rimmel | — | Minnesota Twins | Minnesota Twins signed free agent RHP Niklas Rimmel to a minor league contract. |
| Sep 22, 2017 | Signed as free agent | Julio Robaina | — | Houston Astros | Houston Astros signed free agent LHP Julio Robaina to a minor league contract. |
| Sep 21, 2017 | Signed as free agent | Christian Zamora | — | Atlanta Braves | Atlanta Braves signed free agent CF Christian Zamora to a minor league contract. |
| Sep 20, 2017 | Signed as free agent | Jose Alcala | — | Texas Rangers | Texas Rangers signed free agent LHP Jose Alcala to a minor league contract. |
| Sep 20, 2017 | Signed as free agent | Reissel Silvestre | — | Tampa Bay Rays | Tampa Bay Rays signed free agent CF Reissel Silvestre to a minor league contract. |
| Sep 19, 2017 | Signed as free agent | Manuel Montas | — | Arizona Diamondbacks | Arizona Diamondbacks signed free agent OF Manuel Montas to a minor league contract. |
| Sep 19, 2017 | Signed as free agent | Jose Valencia | — | Arizona Diamondbacks | Arizona Diamondbacks signed free agent RHP Jose Valencia to a minor league contract. |
| Sep 18, 2017 | Signed as free agent | Carlos Aguiar | — | Minnesota Twins | Minnesota Twins signed free agent CF Carlos Aguiar to a minor league contract. |
| Sep 18, 2017 | Signed as free agent | Camilo Quinteiro | — | Chicago White Sox | Chicago White Sox signed free agent SS Camilo Quinteiro to a minor league contract. |
| Sep 15, 2017 | Trade | Elvin Rodríguez | Los Angeles Angels | Detroit Tigers | Los Angeles Angels traded RHP Elvin Rodriguez to Detroit Tigers. |
| Sep 14, 2017 | Signed as free agent | Daysbel Hernández | — | Atlanta Braves | Atlanta Braves signed free agent OF Daysbel Hernandez to a minor league contract. |
| Sep 14, 2017 | Signed as free agent | Brandon Linares | — | Texas Rangers | Texas Rangers signed free agent OF Brandon Linares to a minor league contract. |
| Sep 13, 2017 | Signed as free agent | Junior Ortega | — | Philadelphia Phillies | Philadelphia Phillies signed free agent CF Junior Ortega to a minor league contract. |
| Sep 13, 2017 | Signed as free agent | Kelvin Hidalgo | — | Chicago Cubs | Chicago Cubs signed free agent OF Kelvin Hidalgo to a minor league contract. |
| Sep 13, 2017 | Signed as free agent | Cesar Garcia | — | Arizona Diamondbacks | Arizona Diamondbacks signed free agent SS Cesar Garcia to a minor league contract. |
| Sep 13, 2017 | Signed as free agent | Juan Geraldo | — | Philadelphia Phillies | Philadelphia Phillies signed free agent RHP Juan Geraldo to a minor league contract. |
| Sep 12, 2017 | Trade | Eric Hanhold | Milwaukee Brewers | New York Mets | Milwaukee Brewers traded RHP Eric Hanhold to New York Mets. |
| Sep 12, 2017 | Released | Tyson Ross | — | Texas Rangers | Texas Rangers released RHP Tyson Ross. |
| Sep 12, 2017 | Signed as free agent | Luis Candelo | — | Philadelphia Phillies | Philadelphia Phillies signed free agent RHP Luis Candelo to a minor league contract. |
| Sep 12, 2017 | Signed as free agent | Rafy Barete | — | Texas Rangers | Texas Rangers signed free agent SS Rafy Barete to a minor league contract. |
| Sep 12, 2017 | Signed as free agent | Jefferson Encarnacion | — | Philadelphia Phillies | Philadelphia Phillies signed free agent CF Jefferson Encarnacion to a minor league contract. |
| Sep 11, 2017 | Released | Arcenio Leon | — | Detroit Tigers | Detroit Tigers released RHP Arcenio Leon. |
| Sep 11, 2017 | Signed as free agent | Elian Ferreira | — | Texas Rangers | Texas Rangers signed free agent RHP Elian Ferreira to a minor league contract. |
| Sep 11, 2017 | Signed as free agent | Daniel Vilchez | — | Philadelphia Phillies | Philadelphia Phillies signed free agent RHP Daniel Vilchez to a minor league contract. |
| Sep 10, 2017 | Released | Jose Campos | — | Los Angeles Angels | Los Angeles Angels released RHP Vicente Campos. |
| Sep 10, 2017 | Signed as free agent | Luis Marine | — | Texas Rangers | Texas Rangers signed free agent RHP Luis Marine to a minor league contract. |
| Sep 8, 2017 | Signed as free agent | Joseph Utrera | — | Tampa Bay Rays | Tampa Bay Rays signed free agent LHP Joseph Utrera to a minor league contract. |
| Sep 8, 2017 | Signed as free agent | Oscar Abreu | — | Texas Rangers | Texas Rangers signed free agent RHP Oscar Abreu to a minor league contract. |
| Sep 7, 2017 | Trade | Jon Keller | Baltimore Orioles | Colorado Rockies | Baltimore Orioles traded RHP Jon Keller to Colorado Rockies. |
| Sep 7, 2017 | Signed as free agent | Miguel Vargas | — | Los Angeles Dodgers | Los Angeles Dodgers signed free agent 3B Miguel Vargas to a minor league contract. |
| Sep 7, 2017 | Signed as free agent | Gary Camarillo | — | Kansas City Royals | Kansas City Royals signed free agent OF Gary Camarillo to a minor league contract. |
| Sep 6, 2017 | Trade | Juan Nicasio | Philadelphia Phillies | St. Louis Cardinals | Philadelphia Phillies traded RHP Juan Nicasio to St. Louis Cardinals for 2B Eliezer Alvarez. |
| Sep 6, 2017 | Signed as free agent | Luilly Ovalle | — | Kansas City Royals | Kansas City Royals signed free agent RHP Luilly Ovalle to a minor league contract. |
| Sep 5, 2017 | Released | Derek Holland | — | Chicago White Sox | Chicago White Sox released LHP Derek Holland. |
| Sep 5, 2017 | Released | Evan Scribner | — | Seattle Mariners | Seattle Mariners released RHP Evan Scribner. |
| Sep 5, 2017 | Signed as free agent | Jose Pina | — | Detroit Tigers | Detroit Tigers signed free agent RHP Jose Pina to a minor league contract. |
| Sep 5, 2017 | Signed as free agent | Efrain Morales | — | Philadelphia Phillies | Philadelphia Phillies signed free agent RHP Efrain Morales to a minor league contract. |
| Sep 4, 2017 | Signed as free agent | Marco Naranjo | — | New York Yankees | New York Yankees signed free agent OF Marco Naranjo to a minor league contract. |
| Sep 2, 2017 | Signed as free agent | Norichika Aoki | — | New York Mets | New York Mets signed free agent OF Norichika Aoki. |
| Sep 2, 2017 | Signed as free agent | Paul Young | — | New York Yankees | New York Yankees signed free agent RHP Paul Young to a minor league contract. |
| Sep 2, 2017 | Released | Brett Eibner | — | Los Angeles Dodgers | Los Angeles Dodgers released LF Brett Eibner. |
| Sep 2, 2017 | Signed as free agent | Argenis Liriano | — | Tampa Bay Rays | Tampa Bay Rays signed free agent RHP Argenis Liriano to a minor league contract. |
| Sep 2, 2017 | Signed as free agent | Gabriel Contreras | — | St. Louis Cardinals | St. Louis Cardinals signed free agent RHP Gabriel Contreras to a minor league contract. |
| Sep 2, 2017 | Signed as free agent | Wilkin Baez | — | Los Angeles Dodgers | Los Angeles Dodgers signed free agent RHP Wilkin Baez to a minor league contract. |
| Sep 1, 2017 | Released | Lisalverto Bonilla | — | Cincinnati Reds | Cincinnati Reds released RHP Lisalverto Bonilla. |
| Sep 1, 2017 | Released | Casey Fien | — | Philadelphia Phillies | Philadelphia Phillies released RHP Casey Fien. |
| Sep 1, 2017 | Released | Neftalí Feliz | — | Kansas City Royals | Kansas City Royals released RHP Neftali Feliz. |
| Sep 1, 2017 | Released | Rubby De La Rosa | — | Arizona Diamondbacks | Arizona Diamondbacks released RHP Rubby De La Rosa. |
| Sep 1, 2017 | Released | José Rosario | — | Chicago Cubs | Chicago Cubs released RHP Jose Rosario. |
| Sep 1, 2017 | Signed as free agent | Shuruendy Valeriano | — | Tampa Bay Rays | Tampa Bay Rays signed free agent RHP Shuruendy Valeriano to a minor league contract. |
| Sep 1, 2017 | Signed as free agent | Onliber Sosa | — | Kansas City Royals | Kansas City Royals signed free agent RHP Onliber Sosa to a minor league contract. |
| Sep 1, 2017 | Signed as free agent | Roberto Hernandez | — | Cleveland Guardians | Cleveland Indians signed free agent RHP Roberto Hernandez to a minor league contract. |
| Sep 1, 2017 | Signed as free agent | Luis Andujar | — | St. Louis Cardinals | St. Louis Cardinals signed free agent SS Luis Andujar to a minor league contract. |
| Sep 1, 2017 | Signed as free agent | Diowill Burgos | — | St. Louis Cardinals | St. Louis Cardinals signed free agent OF Diowill Burgos to a minor league contract. |
| Sep 1, 2017 | Signed as free agent | Carlos Velez | — | Boston Red Sox | Boston Red Sox signed free agent LHP Carlos Velez to a minor league contract. |
| Sep 1, 2017 | Signed as free agent | Victor Soteldo | — | Cleveland Guardians | Cleveland Indians signed free agent RHP Victor Soteldo to a minor league contract. |
| Sep 1, 2017 | Signed as free agent | Ronny Rojas | — | New York Yankees | New York Yankees signed free agent SS Ronny Rojas to a minor league contract. |
| Sep 1, 2017 | Signed as free agent | Ronald Suarez | — | St. Louis Cardinals | St. Louis Cardinals signed free agent RHP Ronald Suarez to a minor league contract. |
| Sep 1, 2017 | Signed as free agent | Iverson Leonardo | — | Detroit Tigers | Detroit Tigers signed free agent OF Iverson Leonardo to a minor league contract. |
| Sep 1, 2017 | Signed as free agent | Miguel Yedis | — | St. Louis Cardinals | St. Louis Cardinals signed free agent RHP Miguel Yedis to a minor league contract. |
| Aug 31, 2017 | Trade | Erik Kratz | Cleveland Guardians | New York Yankees | Cleveland Indians traded C Erik Kratz to New York Yankees for cash. |
| Aug 31, 2017 | Trade | Justin Upton | Detroit Tigers | Los Angeles Angels | Detroit Tigers traded LF Justin Upton and cash to Los Angeles Angels for RHP Grayson Long and Future Considerations. |
| Aug 31, 2017 | Trade | Miguel González | Chicago White Sox | Texas Rangers | Chicago White Sox traded RHP Miguel Gonzalez to Texas Rangers for 3B Ti'Quan Forbes. |
| Aug 31, 2017 | Trade | Leonys Martin | Seattle Mariners | Chicago Cubs | Seattle Mariners traded CF Leonys Martin and cash to Chicago Cubs for Player To Be Named Later and cash. |
| Aug 31, 2017 | Trade | Justin Verlander | Detroit Tigers | Houston Astros | Detroit Tigers traded RHP Justin Verlander, cash and Player To Be Named Later to Houston Astros for CF Daz Cameron, RHP Franklin Perez and C Jake Rogers. |
| Aug 31, 2017 | Trade | Brandon Phillips | Atlanta Braves | Los Angeles Angels | Atlanta Braves traded 2B Brandon Phillips and cash to Los Angeles Angels for Tony Sanchez. |
| Aug 30, 2017 | Trade | Mike Leake | St. Louis Cardinals | Seattle Mariners | St. Louis Cardinals traded RHP Mike Leake and Future Considerations to Seattle Mariners for SS Rayder Ascanio. |
| Aug 30, 2017 | Signed as free agent | Justin Pacchioli | — | Boston Red Sox | Boston Red Sox signed free agent OF Justin Pacchioli to a minor league contract. |
| Aug 30, 2017 | Signed as free agent | Ricardo Castro | — | Baltimore Orioles | Baltimore Orioles signed free agent CF Ricardo Castro to a minor league contract. |
| Aug 30, 2017 | Signed as free agent | Orlando Martinez | — | Los Angeles Angels | Los Angeles Angels signed free agent CF Orlando Martinez to a minor league contract. |
| Aug 30, 2017 | Signed as free agent | Hector Leon | — | Houston Astros | Houston Astros signed free agent SS Hector Leon to a minor league contract. |
| Aug 30, 2017 | Signed as free agent | Jeans Garcia | — | Los Angeles Dodgers | Los Angeles Dodgers signed free agent 3B Jeans Garcia to a minor league contract. |
| Aug 29, 2017 | Released | Norichika Aoki | — | Toronto Blue Jays | Toronto Blue Jays released LF Norichika Aoki. |
| Aug 28, 2017 | Signed as free agent | Dariel Crespo | — | Minnesota Twins | Minnesota Twins signed free agent C Dariel Crespo to a minor league contract. |
| Aug 28, 2017 | Signed as free agent | Daniel De La Fuente | — | Cincinnati Reds | Cincinnati Reds signed free agent RHP Daniel De La Fuente to a minor league contract. |
| Aug 28, 2017 | Signed as free agent | David Marcano | — | New York Mets | New York Mets signed free agent RHP David Marcano to a minor league contract. |
| Aug 28, 2017 | Signed as free agent | Reivaj Garcia | — | Chicago Cubs | Chicago Cubs signed free agent SS Reivaj Garcia to a minor league contract. |
| Aug 28, 2017 | Signed as free agent | Carlos Morfa | — | Chicago Cubs | Chicago Cubs signed free agent OF Carlos Morfa to a minor league contract. |
| Aug 27, 2017 | Signed as free agent | Luis Liriano | — | Toronto Blue Jays | Toronto Blue Jays signed free agent C Luis Liriano to a minor league contract. |
| Aug 26, 2017 | Trade | Paolo Espino | Milwaukee Brewers | Texas Rangers | Milwaukee Brewers traded RHP Paolo Espino to Texas Rangers for cash. |
| Aug 26, 2017 | Signed as free agent | Ryan Strausborger | — | Minnesota Twins | Minnesota Twins signed free agent OF Ryan Strausborger to a minor league contract. |
| Aug 26, 2017 | Signed as free agent | Christian Donahue | — | Chicago Cubs | Chicago Cubs signed free agent 2B Christian Donahue to a minor league contract. |
| Aug 26, 2017 | Signed as free agent | Luis Diaz | — | Atlanta Braves | Atlanta Braves signed free agent RHP Luis Diaz to a minor league contract. |
| Aug 26, 2017 | Signed as free agent | Jerald Cabrera | — | Colorado Rockies | Colorado Rockies signed free agent RHP Jerald Cabrera to a minor league contract. |
| Aug 25, 2017 | Signed as free agent | Danny Espinosa | — | Tampa Bay Rays | Tampa Bay Rays signed free agent SS Danny Espinosa. |
| Aug 25, 2017 | Signed as free agent | Starlin Gill | — | Los Angeles Angels | Los Angeles Angels signed free agent SS Starlin Gill to a minor league contract. |
| Aug 25, 2017 | Signed as free agent | Felix Ramires | — | Colorado Rockies | Colorado Rockies signed free agent LHP Felix Ramires to a minor league contract. |
| Aug 24, 2017 | Signed as free agent | Ray Kerr | — | Seattle Mariners | Seattle Mariners signed free agent LHP Raymond Kerr to a minor league contract. |
| Aug 24, 2017 | Signed as free agent | Johnny Hellweg | — | Pittsburgh Pirates | Pittsburgh Pirates signed free agent RHP Johnny Hellweg to a minor league contract. |
| Aug 24, 2017 | Signed as free agent | Franny Cobos | — | Houston Astros | Houston Astros signed free agent RHP Franny Cobos to a minor league contract. |
| Aug 23, 2017 | Trade | Rajai Davis | Athletics | Boston Red Sox | Oakland Athletics traded CF Rajai Davis to Boston Red Sox for RF Rafael Rincones. |
| Aug 23, 2017 | Trade | Pedro Gonzalez | Colorado Rockies | Texas Rangers | Colorado Rockies traded CF Pedro Gonzalez to Texas Rangers. |
| Aug 23, 2017 | Signed as free agent | Jeremy Molero | — | Houston Astros | Houston Astros signed free agent RHP Jeremy Molero to a minor league contract. |
| Aug 23, 2017 | Signed as free agent | Carlos Ventura | — | Arizona Diamondbacks | Arizona Diamondbacks signed free agent RHP Carlos Ventura to a minor league contract. |
| Aug 23, 2017 | Signed as free agent | Carlos De La Cruz | — | Philadelphia Phillies | Philadelphia Phillies signed free agent OF Carlos De La Cruz to a minor league contract. |
| Aug 22, 2017 | Signed as free agent | Henderson Alvarez | — | Philadelphia Phillies | Philadelphia Phillies signed free agent RHP Henderson Alvarez to a minor league contract. |
| Aug 22, 2017 | Signed as free agent | Anderson Paulino | — | Kansas City Royals | Kansas City Royals signed free agent RHP Anderson Paulino to a minor league contract. |
| Aug 22, 2017 | Signed as free agent | Brailin Gonzalez | — | New York Mets | New York Mets signed free agent LHP Brailin Gonzalez to a minor league contract. |
| Aug 21, 2017 | Signed as free agent | Rolando Espinosa | — | Houston Astros | Houston Astros signed free agent SS Rolando Espinosa to a minor league contract. |
| Aug 20, 2017 | Released | Danny Espinosa | — | Seattle Mariners | Seattle Mariners released 2B Danny Espinosa. |
| Aug 20, 2017 | Trade | Jacob Rhame | Los Angeles Dodgers | New York Mets | Los Angeles Dodgers traded RHP Jacob Rhame to New York Mets. |
| Aug 20, 2017 | Released | J.P. Howell | — | Toronto Blue Jays | Toronto Blue Jays released LHP J.P. Howell. |
| Aug 19, 2017 | Trade | Curtis Granderson | New York Mets | Los Angeles Dodgers | New York Mets traded CF Curtis Granderson to Los Angeles Dodgers for Player To Be Named Later. |
| Aug 19, 2017 | Signed as free agent | Christian Marrero | — | Philadelphia Phillies | Philadelphia Phillies signed free agent OF Christian Marrero to a minor league contract. |
| Aug 19, 2017 | Signed | Quintin Berry | — | Milwaukee Brewers | Milwaukee Brewers signed OF Quintin Berry. |
| Aug 19, 2017 | Trade | Tom Koehler | Miami Marlins | Toronto Blue Jays | Miami Marlins traded cash and RHP Tom Koehler to Toronto Blue Jays for RHP Osman Gutierrez. |
| Aug 19, 2017 | Signed as free agent | Fernando Salas | — | Los Angeles Angels | Los Angeles Angels signed free agent RHP Fernando Salas to a minor league contract. |
| Aug 19, 2017 | Signed as free agent | Andres Gari | — | Boston Red Sox | Boston Red Sox signed free agent C Andres Gari to a minor league contract. |
| Aug 18, 2017 | Signed as free agent | Chris Nunn | — | Chicago Cubs | Chicago Cubs signed free agent LHP Chris Nunn to a minor league contract. |
| Aug 18, 2017 | Signed as free agent | Jason Adam | — | Kansas City Royals | Kansas City Royals signed free agent RHP Jason Adam to a minor league contract. |
| Aug 18, 2017 | Signed as free agent | Brett Anderson | — | Toronto Blue Jays | Toronto Blue Jays signed free agent LHP Brett Anderson to a minor league contract. |
| Aug 18, 2017 | Signed as free agent | Ashur Tolliver | — | Seattle Mariners | Seattle Mariners signed free agent LHP Ashur Tolliver to a minor league contract. |
| Aug 18, 2017 | Signed as free agent | Grant Green | — | Miami Marlins | Miami Marlins signed free agent 2B Grant Green to a minor league contract. |
| Aug 18, 2017 | Signed as free agent | Jose Rafael De Paula | — | Cincinnati Reds | Cincinnati Reds signed free agent RHP Rafael De Paula to a minor league contract. |
| Aug 18, 2017 | Signed as free agent | Daniel Bello | — | Houston Astros | Houston Astros signed free agent LHP Daniel Bello to a minor league contract. |
| Aug 18, 2017 | Signed as free agent | Taylor Cole | — | Toronto Blue Jays | Toronto Blue Jays signed free agent RHP Taylor Cole to a minor league contract. |
| Aug 18, 2017 | Signed as free agent | Ramon Taveras | — | Atlanta Braves | Atlanta Braves signed free agent SS Ramon Taveras to a minor league contract. |
| Aug 17, 2017 | Signed as free agent | Fernando Rodriguez Jr. | — | Boston Red Sox | Boston Red Sox signed free agent RHP Fernando Rodriguez to a minor league contract. |
| Aug 17, 2017 | Signed as free agent | Keiro Munoz | — | Athletics | Oakland Athletics signed free agent RHP Keiro Munoz to a minor league contract. |
| Aug 17, 2017 | Signed as free agent | Luis Milla | — | Minnesota Twins | Minnesota Twins signed free agent OF Luis Milla to a minor league contract. |
| Aug 17, 2017 | Signed as free agent | Alexfri Planez | — | Cleveland Guardians | Cleveland Indians signed free agent OF Alexfri Planez to a minor league contract. |
| Aug 17, 2017 | Signed as free agent | Jorge Juan | — | Athletics | Oakland Athletics signed free agent RHP Jorge Juan to a minor league contract. |
| Aug 17, 2017 | Signed as free agent | Rony Jimenez | — | Athletics | Oakland Athletics signed free agent RHP Rony Jimenez to a minor league contract. |
| Aug 17, 2017 | Signed as free agent | Michael Cantu | — | San Diego Padres | San Diego Padres signed free agent C Michael Cantu to a minor league contract. |
| Aug 16, 2017 | Trade | Sam Moll | Colorado Rockies | Athletics | Colorado Rockies traded LHP Sam Moll to Oakland Athletics for Player To Be Named Later. |
| Aug 16, 2017 | Signed as free agent | Brendan Nail | — | Boston Red Sox | Boston Red Sox signed free agent LHP Brendan Nail to a minor league contract. |
| Aug 16, 2017 | Signed as free agent | Ralston Cash | — | Seattle Mariners | Seattle Mariners signed free agent RHP Ralston Cash to a minor league contract. |
| Aug 16, 2017 | Signed as free agent | Drew Muren | — | San Francisco Giants | San Francisco Giants signed free agent RHP Drew Muren to a minor league contract. |
| Aug 16, 2017 | Signed as free agent | Igor Baez | — | Miami Marlins | Miami Marlins signed free agent C Igor Baez to a minor league contract. |
| Aug 16, 2017 | Signed as free agent | Santiago Elizondo | — | Milwaukee Brewers | Milwaukee Brewers signed free agent RHP Santiago Elizondo to a minor league contract. |
| Aug 15, 2017 | Signed as free agent | Neil Wagner | — | New York Mets | New York Mets signed free agent RHP Neil Wagner to a minor league contract. |
| Aug 15, 2017 | Trade | Travis Snider | Texas Rangers | New York Mets | Texas Rangers traded RF Travis Snider to New York Mets for cash. |
| Aug 15, 2017 | Signed as free agent | Scott Carroll | — | Chicago Cubs | Chicago Cubs signed free agent RHP Scott Carroll to a minor league contract. |
| Aug 15, 2017 | Released | Fernando Salas | — | New York Mets | New York Mets released RHP Fernando Salas. |
| Aug 15, 2017 | Trade | Chris Hatcher | Los Angeles Dodgers | Athletics | Los Angeles Dodgers traded RHP Chris Hatcher to Oakland Athletics for Future Considerations. |
| Aug 15, 2017 | Signed as free agent | Daniel Robertson | — | Cleveland Guardians | Cleveland Indians signed free agent LF Daniel Robertson to a minor league contract. |
| Aug 15, 2017 | Signed as free agent | Jose Bens | — | Boston Red Sox | Boston Red Sox signed free agent RHP Jose Bens to a minor league contract. |
| Aug 14, 2017 | Released | Taylor Cole | — | Toronto Blue Jays | Toronto Blue Jays released RHP Taylor Cole. |
| Aug 14, 2017 | Signed as free agent | Dahiandy Johnson | — | Tampa Bay Rays | Tampa Bay Rays signed free agent RF Dahiandy Johnson to a minor league contract. |
| Aug 14, 2017 | Signed as free agent | Jonarkys Lopez | — | Houston Astros | Houston Astros signed free agent C Jonarkys Lopez to a minor league contract. |
| Aug 14, 2017 | Signed as free agent | Haniel Ogando | — | New York Mets | New York Mets signed free agent RHP Haniel Ogando to a minor league contract. |
| Aug 13, 2017 | Signed as free agent | Cesilio Pimentel | — | Arizona Diamondbacks | Arizona Diamondbacks signed free agent LHP Cesilio Pimentel to a minor league contract. |
| Aug 13, 2017 | Trade | Tyler Clippard | Chicago White Sox | Houston Astros | Chicago White Sox traded RHP Tyler Clippard to Houston Astros for Player To Be Named Later. |
| Aug 12, 2017 | Signed as free agent | Jackson Sigman | — | Kansas City Royals | Kansas City Royals signed free agent RHP Jackson Sigman to a minor league contract. |
| Aug 12, 2017 | Released | Chris Coghlan | — | Toronto Blue Jays | Toronto Blue Jays released 3B Chris Coghlan. |
| Aug 12, 2017 | Signed as free agent | Ryan Howard | — | Colorado Rockies | Colorado Rockies signed free agent 1B Ryan Howard to a minor league contract. |
| Aug 12, 2017 | Signed as free agent | Jeanmar Gómez | — | Seattle Mariners | Seattle Mariners signed free agent RHP Jeanmar Gomez. |
| Aug 12, 2017 | Trade | Neil Walker | New York Mets | Milwaukee Brewers | New York Mets traded 2B Neil Walker and cash to Milwaukee Brewers for Player To Be Named Later. |
| Aug 12, 2017 | Signed as free agent | Miguel Vinicio | — | Cleveland Guardians | Cleveland Indians signed free agent RHP Miguel Vinicio to a minor league contract. |
| Aug 12, 2017 | Signed as free agent | Moises De La Cruz | — | Cleveland Guardians | Cleveland Indians signed free agent SS Moises De La Cruz to a minor league contract. |
| Aug 11, 2017 | Trade | Ryan Burr | Arizona Diamondbacks | Chicago White Sox | Arizona Diamondbacks traded RHP Ryan Burr to Chicago White Sox for Future Considerations. |
| Aug 11, 2017 | Trade | Kevin Franklin | Cincinnati Reds | Atlanta Braves | Cincinnati Reds traded 1B Kevin Franklin to Atlanta Braves. |
| Aug 10, 2017 | Released | Daniel Robertson | — | Cleveland Guardians | Cleveland Indians released LF Daniel Robertson. |
| Aug 10, 2017 | Signed as free agent | Nick Additon | — | Colorado Rockies | Colorado Rockies signed free agent LHP Nick Additon to a minor league contract. |
| Aug 10, 2017 | Signed as free agent | Jerson Ramirez | — | Cleveland Guardians | Cleveland Indians signed free agent RHP Jerson Ramirez to a minor league contract. |
| Aug 10, 2017 | Signed as free agent | Omar Rodriguez | — | Kansas City Royals | Kansas City Royals signed free agent C Omar Rodriguez to a minor league contract. |
| Aug 10, 2017 | Signed as free agent | Victor Planchart | — | Cleveland Guardians | Cleveland Indians signed free agent C Victor Planchart to a minor league contract. |
| Aug 9, 2017 | Signed as free agent | Carlos Diaz | — | Miami Marlins | Miami Marlins signed free agent LHP Carlos Diaz to a minor league contract. |
| Aug 9, 2017 | Trade | Steve Johnson | Baltimore Orioles | Chicago White Sox | Baltimore Orioles traded RHP Steve Johnson to Chicago White Sox for cash. |
| Aug 9, 2017 | Signed | Raudel Lazo | — | Baltimore Orioles | Baltimore Orioles signed LHP Raudel Lazo. |
| Aug 9, 2017 | Signed as free agent | Jonah Jarrard | — | Los Angeles Dodgers | Los Angeles Dodgers signed free agent C Jonah Jarrard to a minor league contract. |
| Aug 9, 2017 | Trade | Jay Bruce | New York Mets | Cleveland Guardians | New York Mets traded RF Jay Bruce to Cleveland Indians for RHP Ryder Ryan. |
| Aug 9, 2017 | Signed as free agent | Jose Mendoza | — | Houston Astros | Houston Astros signed free agent SS Jose Mendoza to a minor league contract. |
| Aug 8, 2017 | Signed as free agent | Andury Acevedo | — | Arizona Diamondbacks | Arizona Diamondbacks signed free agent RHP Andury Acevedo to a minor league contract. |
| Aug 8, 2017 | Trade | Ernesto Frieri | Texas Rangers | Seattle Mariners | Texas Rangers traded RHP Ernesto Frieri to Seattle Mariners for cash. |
| Aug 8, 2017 | Signed as free agent | Jordan Lyles | — | San Diego Padres | San Diego Padres signed free agent RHP Jordan Lyles to a minor league contract. |
| Aug 8, 2017 | Signed as free agent | Jose Brizuela | — | Los Angeles Dodgers | Los Angeles Dodgers signed free agent 3B Jose Brizuela to a minor league contract. |
| Aug 8, 2017 | Signed as free agent | Yangely De La Cruz | — | Texas Rangers | Texas Rangers signed free agent RHP Yangely De La Cruz to a minor league contract. |
| Aug 8, 2017 | Signed as free agent | C.J. Eldred | — | Kansas City Royals | Kansas City Royals signed free agent RHP C.J. Eldred to a minor league contract. |
| Aug 8, 2017 | Signed as free agent | Luis Paulino | — | Texas Rangers | Texas Rangers signed free agent LHP Luis Paulino to a minor league contract. |
| Aug 7, 2017 | Signed as free agent | Drew Weston | — | Detroit Tigers | Detroit Tigers signed free agent LHP Drew Weston to a minor league contract. |
| Aug 7, 2017 | Signed as free agent | Kevin Miranda | — | Chicago Cubs | Chicago Cubs signed free agent OF Kevin Miranda to a minor league contract. |
| Aug 7, 2017 | Signed as free agent | Gabriel Perez | — | Boston Red Sox | Boston Red Sox signed free agent OF Gabriel Perez to a minor league contract. |
| Aug 7, 2017 | Signed as free agent | Miguel Fabrizio | — | Chicago Cubs | Chicago Cubs signed free agent C Miguel Fabrizio to a minor league contract. |
| Aug 6, 2017 | Trade | Boog Powell | Seattle Mariners | Athletics | Oakland Athletics traded 1B Yonder Alonso to Seattle Mariners for CF Boog Powell. |
| Aug 6, 2017 | Signed as free agent | Mike Freeman | — | Chicago Cubs | Chicago Cubs signed free agent 2B Mike Freeman to a minor league contract. |
| Aug 6, 2017 | Trade | Luis Rengifo | Seattle Mariners | Tampa Bay Rays | Tampa Bay Rays traded C Mike Marjama and RHP Ryan Garton to Seattle Mariners for Player To Be Named Later, LHP Anthony Misiewicz and 2B Luis Rengifo. |
| Aug 5, 2017 | Trade | Brallan Perez | Texas Rangers | Baltimore Orioles | Texas Rangers traded 2B Brallan Perez to Baltimore Orioles for Future Considerations. |
| Aug 5, 2017 | Trade | Connor Joe | Pittsburgh Pirates | Atlanta Braves | Atlanta Braves traded Sean Rodriguez to Pittsburgh Pirates for 3B Connor Joe. |
| Aug 5, 2017 | Signed as free agent | Scott Kuzminsky | — | Seattle Mariners | Seattle Mariners signed free agent RHP Scott Kuzminsky to a minor league contract. |
| Aug 5, 2017 | Signed as free agent | Brian McAfee | — | Seattle Mariners | Seattle Mariners signed free agent RHP Brian McAfee to a minor league contract. |
| Aug 5, 2017 | Signed as free agent | Perci Garner | — | Cleveland Guardians | Cleveland Indians signed free agent RHP Perci Garner to a minor league contract. |
| Aug 5, 2017 | Signed as free agent | Fabian Pertuz | — | Chicago Cubs | Chicago Cubs signed free agent SS Fabian Pertuz to a minor league contract. |
| Aug 5, 2017 | Signed as free agent | Joseph Paulino | — | Cleveland Guardians | Cleveland Indians signed free agent SS Joseph Paulino to a minor league contract. |
| Aug 4, 2017 | Signed as free agent | Ricky Negron | — | Toronto Blue Jays | Toronto Blue Jays signed free agent 3B Ricky Negron to a minor league contract. |
| Aug 4, 2017 | Signed as free agent | Adam Brett Walker | — | Cincinnati Reds | Cincinnati Reds signed free agent OF Adam Brett Walker to a minor league contract. |
| Aug 4, 2017 | Signed as free agent | Dylan Woods | — | Los Angeles Angels | Los Angeles Angels signed free agent IF Dylan Woods to a minor league contract. |
| Aug 4, 2017 | Trade | Randy Ventura | Atlanta Braves | Cincinnati Reds | Atlanta Braves traded RF Randy Ventura to Cincinnati Reds for Future Considerations. |
| Aug 4, 2017 | Signed as free agent | Craig Breslow | — | Cleveland Guardians | Cleveland Indians signed free agent LHP Craig Breslow to a minor league contract. |
| Aug 4, 2017 | Signed as free agent | Manny Barreda | — | Atlanta Braves | Atlanta Braves signed free agent RHP Manny Barreda to a minor league contract. |
| Aug 4, 2017 | Signed as free agent | Al Alburquerque | — | Chicago White Sox | Chicago White Sox signed free agent RHP Al Alburquerque to a minor league contract. |
| Aug 4, 2017 | Signed as free agent | Rico Noel | — | Houston Astros | Houston Astros signed free agent OF Rico Noel to a minor league contract. |
| Aug 4, 2017 | Signed as free agent | George Capen | — | Seattle Mariners | Seattle Mariners signed free agent RHP George Capen to a minor league contract. |
| Aug 4, 2017 | Signed as free agent | AJ Franks | — | Seattle Mariners | Seattle Mariners signed free agent RHP AJ Franks to a minor league contract. |
| Aug 4, 2017 | Signed as free agent | Mitch Viydo | — | Seattle Mariners | Seattle Mariners signed free agent RHP Mitch Viydo to a minor league contract. |
| Aug 4, 2017 | Signed as free agent | Nelson Teran | — | Boston Red Sox | Boston Red Sox signed free agent C Nelson Teran to a minor league contract. |
| Aug 4, 2017 | Signed as free agent | Josue Cruz | — | Baltimore Orioles | Baltimore Orioles signed free agent OF Josue Cruz to a minor league contract. |
| Aug 3, 2017 | Signed as free agent | Kevin McCanna | — | Arizona Diamondbacks | Arizona Diamondbacks signed free agent RHP Kevin McCanna to a minor league contract. |
| Aug 3, 2017 | Signed as free agent | Bubba Hollins | — | Miami Marlins | Miami Marlins signed free agent 3B Bubba Hollins to a minor league contract. |
| Aug 3, 2017 | Signed as free agent | Branden Pinder | — | Los Angeles Angels | Los Angeles Angels signed free agent RHP Branden Pinder to a minor league contract. |
| Aug 3, 2017 | Signed as free agent | Logan Bawcom | — | Athletics | Oakland Athletics signed free agent RHP Logan Bawcom to a minor league contract. |
| Aug 3, 2017 | Released | Perci Garner | — | Cleveland Guardians | Cleveland Indians released RHP Perci Garner. |
| Aug 3, 2017 | Signed as free agent | Brandon Diaz | — | Los Angeles Angels | Los Angeles Angels signed free agent LF Brandon Diaz to a minor league contract. |
| Aug 3, 2017 | Trade | Eury Pérez | Pittsburgh Pirates | Miami Marlins | Pittsburgh Pirates traded LF Eury Perez to Miami Marlins for cash. |
| Aug 3, 2017 | Signed as free agent | Conrad Gregor | — | Boston Red Sox | Boston Red Sox signed free agent 1B Conrad Gregor to a minor league contract. |
| Aug 3, 2017 | Signed as free agent | Matt Skole | — | Washington Nationals | Washington Nationals signed free agent 1B Matt Skole to a minor league contract. |
| Aug 2, 2017 | Signed as free agent | Bryan Evans | — | Seattle Mariners | Seattle Mariners signed free agent RHP Bryan Evans to a minor league contract. |
| Aug 2, 2017 | Signed as free agent | Gilberto Jimenez | — | Boston Red Sox | Boston Red Sox signed free agent OF Gilberto Jimenez to a minor league contract. |
| Aug 2, 2017 | Signed as free agent | Jhonny Palma | — | Philadelphia Phillies | Philadelphia Phillies signed free agent LHP Jhonny Palma to a minor league contract. |
| Aug 1, 2017 | Signed as free agent | Esmil Rogers | — | Washington Nationals | Washington Nationals signed free agent RHP Esmil Rogers to a minor league contract. |
| Aug 1, 2017 | Signed as free agent | Jorge Flores | — | Arizona Diamondbacks | Arizona Diamondbacks signed free agent SS Jorge Flores to a minor league contract. |
| Aug 1, 2017 | Signed as free agent | Emilio Bonifácio | — | Arizona Diamondbacks | Arizona Diamondbacks signed free agent LF Emilio Bonifacio to a minor league contract. |
| Aug 1, 2017 | Released | Jordan Lyles | — | Colorado Rockies | Colorado Rockies released RHP Jordan Lyles. |
| Aug 1, 2017 | Signed as free agent | Randy Dobnak | — | Minnesota Twins | Minnesota Twins signed free agent RHP Randy Dobnak to a minor league contract. |
| Aug 1, 2017 | Signed as free agent | Jason Zgardowski | — | St. Louis Cardinals | St. Louis Cardinals signed free agent RHP Jason Zgardowski to a minor league contract. |
| Aug 1, 2017 | Signed as free agent | Taylor Grzelakowski | — | Minnesota Twins | Minnesota Twins signed free agent OF Taylor Grzelakowski to a minor league contract. |
| Aug 1, 2017 | Signed as free agent | Kevin Marnon | — | Minnesota Twins | Minnesota Twins signed free agent P Kevin Marnon to a minor league contract. |
| Aug 1, 2017 | Signed as free agent | Adrian Del Moral | — | Arizona Diamondbacks | Arizona Diamondbacks signed free agent RHP Adrian Del Moral to a minor league contract. |
| Aug 1, 2017 | Signed as free agent | Ezequiel Tovar | — | Colorado Rockies | Colorado Rockies signed free agent SS Ezequiel Tovar to a minor league contract. |
| Jul 31, 2017 | Trade | Justin Wilson | Detroit Tigers | Chicago Cubs | Detroit Tigers traded C Alex Avila and LHP Justin Wilson to Chicago Cubs for Player To Be Named Later, SS Isaac Paredes and 3B Jeimer Candelario. |
| Jul 31, 2017 | Trade | Adam Rosales | Athletics | Arizona Diamondbacks | Oakland Athletics traded SS Adam Rosales to Arizona Diamondbacks for RHP Jeferson Mejia. |
| Jul 31, 2017 | Signed as free agent | Jumbo Diaz | — | Houston Astros | Houston Astros signed free agent RHP Jumbo Diaz to a minor league contract. |
| Jul 31, 2017 | Trade | Yefry Ramírez | New York Yankees | Baltimore Orioles | New York Yankees traded RHP Yefry Ramirez to Baltimore Orioles for Future Considerations. |
| Jul 31, 2017 | Trade | Jamie Callahan | Boston Red Sox | New York Mets | New York Mets traded RHP Addison Reed to Boston Red Sox for RHP Gerson Bautista, RHP Jamie Callahan and RHP Stephen Nogosek. |
| Jul 31, 2017 | Trade | James Kaprielian | New York Yankees | Athletics | Oakland Athletics traded Sonny Gray and Future Considerations to New York Yankees for CF Dustin Fowler, RHP James Kaprielian and SS Jorge Mateo. |
| Jul 31, 2017 | Trade | Joe Smith | Toronto Blue Jays | Cleveland Guardians | Toronto Blue Jays traded RHP Joe Smith to Cleveland Indians for LHP Thomas Pannone and 2B Samad Taylor. |
| Jul 31, 2017 | Trade | Jeremy Jeffress | Texas Rangers | Milwaukee Brewers | Texas Rangers traded RHP Jeremy Jeffress to Milwaukee Brewers for RHP Tayler Scott. |
| Jul 31, 2017 | Trade | Joaquín Benoit | Philadelphia Phillies | Pittsburgh Pirates | Philadelphia Phillies traded RHP Joaquin Benoit to Pittsburgh Pirates for RHP Seth McGarry. |
| Jul 31, 2017 | Trade | Francisco Liriano | Toronto Blue Jays | Houston Astros | Toronto Blue Jays traded LHP Francisco Liriano to Houston Astros for LF Norichika Aoki and RF Teoscar Hernandez. |
| Jul 31, 2017 | Trade | David Hernandez | Los Angeles Angels | Arizona Diamondbacks | Los Angeles Angels traded RHP David Hernandez to Arizona Diamondbacks for RHP Luis Madero. |
| Jul 31, 2017 | Trade | Tony Watson | Pittsburgh Pirates | Los Angeles Dodgers | Pittsburgh Pirates traded LHP Tony Watson to Los Angeles Dodgers for RHP Angel German and 3B Oneil Cruz. |
| Jul 31, 2017 | Trade | Brandon Kintzler | Minnesota Twins | Washington Nationals | Washington Nationals traded Future Considerations and LHP Tyler Watson to Minnesota Twins for RHP Brandon Kintzler. |
| Jul 31, 2017 | Trade | Tobias Myers | Baltimore Orioles | Tampa Bay Rays | Tampa Bay Rays traded SS Tim Beckham to Baltimore Orioles for RHP Tobias Myers. |
| Jul 31, 2017 | Trade | A.J. Alexy | Los Angeles Dodgers | Texas Rangers | Texas Rangers traded RHP Yu Darvish to Los Angeles Dodgers for 2B Willie Calhoun, RHP A.J. Alexy and SS Brendon Davis. |
| Jul 31, 2017 | Trade | Tony Cingrani | Cincinnati Reds | Los Angeles Dodgers | Cincinnati Reds traded LHP Tony Cingrani to Los Angeles Dodgers for LF Scott Van Slyke and C Hendrik Clementina. |
| Jul 31, 2017 | Released | Brett Anderson | — | Chicago Cubs | Chicago Cubs released LHP Brett Anderson. |
| Jul 31, 2017 | Released | Matt Skole | — | Washington Nationals | Washington Nationals released 1B Matt Skole. |
| Jul 31, 2017 | Signed as free agent | Mark Peterson | — | Kansas City Royals | Kansas City Royals signed free agent RHP Mark Peterson to a minor league contract. |
| Jul 31, 2017 | Signed as free agent | Jorge Rodriguez | — | Atlanta Braves | Atlanta Braves signed free agent OF Jorge Rodriguez to a minor league contract. |
| Jul 31, 2017 | Signed as free agent | Teodoro Ortega | — | Athletics | Oakland Athletics signed free agent RHP Teodoro Ortega to a minor league contract. |
| Jul 31, 2017 | Signed as free agent | Manuel Espinoza | — | Chicago Cubs | Chicago Cubs signed free agent RHP Manuel Espinoza to a minor league contract. |
| Jul 31, 2017 | Signed as free agent | Jesus Chirinos | — | Milwaukee Brewers | Milwaukee Brewers signed free agent C Jesus Chirinos to a minor league contract. |
| Jul 31, 2017 | Signed as free agent | Alejandro Carrillo | — | Chicago Cubs | Chicago Cubs signed free agent LHP Alejandro Carrillo to a minor league contract. |
| Jul 31, 2017 | Signed as free agent | Florencio Serrano | — | Chicago Cubs | Chicago Cubs signed free agent RHP Florencio Serrano to a minor league contract. |
| Jul 31, 2017 | Signed as free agent | Over Galue | — | Tampa Bay Rays | Tampa Bay Rays signed free agent RHP Over Galue to a minor league contract. |
| Jul 31, 2017 | Signed as free agent | Brandon Rincones | — | Boston Red Sox | Boston Red Sox signed free agent SS Brandon Rincones to a minor league contract. |
| Jul 31, 2017 | Signed as free agent | Chih-Ting Wang | — | Kansas City Royals | Kansas City Royals signed free agent LHP Chih-Ting Wang to a minor league contract. |
| Jul 30, 2017 | Trade | Zack Littell | New York Yankees | Minnesota Twins | Minnesota Twins traded LHP Jaime Garcia to New York Yankees for LHP Dietrich Enns and RHP Zack Littell. |
| Jul 30, 2017 | Released | Chris Heisey | — | Washington Nationals | Washington Nationals released LF Chris Heisey. |
| Jul 30, 2017 | Trade | Melky Cabrera | Chicago White Sox | Kansas City Royals | Chicago White Sox traded LF Melky Cabrera and cash to Kansas City Royals for RHP A.J. Puckett and LHP Andre Davis. |
| Jul 30, 2017 | Signed as free agent | Aaron West | — | Seattle Mariners | Seattle Mariners signed free agent RHP Aaron West to a minor league contract. |
| Jul 30, 2017 | Released | John Axford | — | Athletics | Oakland Athletics released RHP John Axford. |
| Jul 30, 2017 | Trade | Jonathan Lucroy | Texas Rangers | Colorado Rockies | Texas Rangers traded C Jonathan Lucroy to Colorado Rockies for Player To Be Named Later. |
| Jul 30, 2017 | Signed as free agent | Brennan Price | — | Toronto Blue Jays | Toronto Blue Jays signed free agent RHP Brennan Price to a minor league contract. |
| Jul 29, 2017 | Trade | Jeremy Hellickson | Philadelphia Phillies | Baltimore Orioles | Philadelphia Phillies traded RHP Jeremy Hellickson and cash to Baltimore Orioles for LF Hyun Soo Kim, LHP Garrett Cleavinger and Future Considerations. |
| Jul 29, 2017 | Signed as free agent | Casey Kelly | — | San Francisco Giants | San Francisco Giants signed free agent RHP Casey Kelly to a minor league contract. |
| Jul 29, 2017 | Signed as free agent | Colin Walsh | — | Houston Astros | Houston Astros signed free agent 2B Colin Walsh to a minor league contract. |
| Jul 29, 2017 | Released | Al Alburquerque | — | Kansas City Royals | Kansas City Royals released RHP Al Alburquerque. |
| Jul 29, 2017 | Released | Craig Breslow | — | Minnesota Twins | Minnesota Twins released LHP Craig Breslow. |
| Jul 29, 2017 | Trade | Luis Ysla | Boston Red Sox | Los Angeles Dodgers | Boston Red Sox traded LHP Luis Ysla to Los Angeles Dodgers for cash. |
| Jul 29, 2017 | Signed as free agent | Yunior Garcia | — | Los Angeles Dodgers | Los Angeles Dodgers signed free agent OF Yunior Garcia to a minor league contract. |
| Jul 28, 2017 | Trade | Erasmo Ramírez | Tampa Bay Rays | Seattle Mariners | Seattle Mariners traded RHP Steve Cishek to Tampa Bay Rays for RHP Erasmo Ramirez. |
| Jul 28, 2017 | Trade | Luke Farrell | Kansas City Royals | Los Angeles Dodgers | Kansas City Royals traded RHP Luke Farrell to Los Angeles Dodgers for cash. |
| Jul 28, 2017 | Trade | Howie Kendrick | Philadelphia Phillies | Washington Nationals | Philadelphia Phillies traded LF Howie Kendrick and cash to Washington Nationals for LHP McKenzie Mills and Future Considerations. |
| Jul 28, 2017 | Trade | Ricardo Cespedes | New York Mets | Miami Marlins | Miami Marlins traded RHP AJ Ramos to New York Mets for RHP Merandy Gonzalez and CF Ricardo Cespedes. |
| Jul 28, 2017 | Signed as free agent | Max Duval | — | Miami Marlins | Miami Marlins signed free agent RHP Max Duval to a minor league contract. |
| Jul 28, 2017 | Signed as free agent | Luis Angel Rodriguez | — | Chicago Cubs | Chicago Cubs signed free agent LHP Luis Rodriguez to a minor league contract. |
| Jul 28, 2017 | Signed as free agent | Saul Vazquez | — | Chicago Cubs | Chicago Cubs signed free agent LHP Saul Vazquez to a minor league contract. |
| Jul 28, 2017 | Signed as free agent | Marco Valenzuela | — | Chicago Cubs | Chicago Cubs signed free agent OF Marco Valenzuela to a minor league contract. |
| Jul 28, 2017 | Signed as free agent | Alejandro Crisostomo | — | Boston Red Sox | Boston Red Sox signed free agent RHP Alejandro Crisostomo to a minor league contract. |
| Jul 27, 2017 | Trade | Casey Gillaspie | Tampa Bay Rays | Chicago White Sox | Chicago White Sox traded LHP Dan Jennings to Tampa Bay Rays for 1B Casey Gillaspie. |
| Jul 27, 2017 | Trade | Gabriel Moya | Arizona Diamondbacks | Minnesota Twins | Minnesota Twins traded C John Ryan Murphy to Arizona Diamondbacks for LHP Gabriel Moya. |
| Jul 27, 2017 | Signed as free agent | Neil Ramírez | — | Washington Nationals | Washington Nationals signed free agent RHP Neil Ramirez to a minor league contract. |
| Jul 27, 2017 | Trade | Lucas Duda | New York Mets | Tampa Bay Rays | New York Mets traded 1B Lucas Duda to Tampa Bay Rays for RHP Drew Smith. |
| Jul 27, 2017 | Signed as free agent | Chad Huffman | — | Washington Nationals | Washington Nationals signed free agent 1B Chad Huffman to a minor league contract. |
| Jul 27, 2017 | Signed as free agent | Connor Zwetsch | — | Washington Nationals | Washington Nationals signed free agent RHP Connor Zwetsch to a minor league contract. |
| Jul 27, 2017 | Signed as free agent | Jimmy Kerrigan | — | Minnesota Twins | Minnesota Twins signed free agent OF Jimmy Kerrigan to a minor league contract. |
| Jul 27, 2017 | Signed as free agent | Jorge Remon | — | Chicago Cubs | Chicago Cubs signed free agent RHP Jorge Remon to a minor league contract. |
| Jul 27, 2017 | Signed as free agent | Misael Garcia | — | Chicago Cubs | Chicago Cubs signed free agent LHP Misael Garcia to a minor league contract. |
| Jul 27, 2017 | Signed as free agent | Widimer Joaquin | — | Chicago Cubs | Chicago Cubs signed free agent 3B Widimer Joaquin to a minor league contract. |
| Jul 27, 2017 | Signed as free agent | Jonathan Rodriguez | — | Chicago Cubs | Chicago Cubs signed free agent OF Jonathan Rodriguez to a minor league contract. |
| Jul 27, 2017 | Signed as free agent | Willy Cabrera | — | Chicago Cubs | Chicago Cubs signed free agent RHP Willy Cabrera to a minor league contract. |
| Jul 27, 2017 | Signed as free agent | Kelvin Feliz | — | Chicago Cubs | Chicago Cubs signed free agent RHP Kelvin Feliz to a minor league contract. |
| Jul 26, 2017 | Trade | Gregory Santos | Boston Red Sox | San Francisco Giants | San Francisco Giants traded 3B Eduardo Nunez to Boston Red Sox for RHP Gregory Santos and RHP Shaun Anderson. |
| Jul 26, 2017 | Trade | Anthony Swarzak | Chicago White Sox | Milwaukee Brewers | Chicago White Sox traded RHP Anthony Swarzak to Milwaukee Brewers for CF Ryan Cordell. |
| Jul 26, 2017 | Signed as free agent | Brad Schreiber | — | Colorado Rockies | Colorado Rockies signed free agent RHP Brad Schreiber to a minor league contract. |
| Jul 26, 2017 | Signed as free agent | Chris Parmelee | — | Miami Marlins | Miami Marlins signed free agent 1B Chris Parmelee to a minor league contract. |
| Jul 26, 2017 | Trade | Jose Gomez | Colorado Rockies | Philadelphia Phillies | Philadelphia Phillies traded RHP Pat Neshek to Colorado Rockies for RHP Alejandro Requena, RHP J.D. Hammer and SS Jose Gomez. |
| Jul 26, 2017 | Signed as free agent | Welbin Bautista | — | Baltimore Orioles | Baltimore Orioles signed free agent C Welbin Bautista to a minor league contract. |
| Jul 26, 2017 | Signed | Michael Fairchild | — | Seattle Mariners | Seattle Mariners signed RHP Michael Fairchild. |
| Jul 26, 2017 | Signed as free agent | Sergio Montes | — | Detroit Tigers | Detroit Tigers signed free agent SS Sergio Montes to a minor league contract. |
| Jul 26, 2017 | Signed as free agent | Brailin Pena | — | Chicago Cubs | Chicago Cubs signed free agent OF Brailin Pena to a minor league contract. |
| Jul 26, 2017 | Signed as free agent | Darlin De La Rosa | — | Texas Rangers | Texas Rangers signed free agent OF Darlin De La Rosa to a minor league contract. |
| Jul 26, 2017 | Signed as free agent | Alexander Ovalles | — | Chicago Cubs | Chicago Cubs signed free agent OF Alexander Ovalles to a minor league contract. |
| Jul 26, 2017 | Signed as free agent | Kennard McDowell | — | Colorado Rockies | Colorado Rockies signed free agent SS Kennard McDowell to a minor league contract. |
| Jul 25, 2017 | Signed as free agent | Jonathan Albaladejo | — | New York Mets | New York Mets signed free agent RHP Jonathan Albaladejo to a minor league contract. |
| Jul 25, 2017 | Signed as free agent | Yordin Lozano | — | Boston Red Sox | Boston Red Sox signed free agent CF Yordin Lozano to a minor league contract. |
| Jul 25, 2017 | Signed as free agent | Martin Olivas | — | Detroit Tigers | Detroit Tigers signed free agent IF Martin Olivas to a minor league contract. |
| Jul 25, 2017 | Signed as free agent | Wilkin Ramos | — | Athletics | Oakland Athletics signed free agent RHP Wilkin Ramos to a minor league contract. |
| Jul 25, 2017 | Signed as free agent | Joaquin Genao | — | Tampa Bay Rays | Tampa Bay Rays signed free agent RHP Joaquin Genao to a minor league contract. |
| Jul 25, 2017 | Signed as free agent | Carlos Mendoza | — | Philadelphia Phillies | Philadelphia Phillies signed free agent OF Carlos Mendoza to a minor league contract. |
| Jul 24, 2017 | Signed as free agent | Danny Farquhar | — | Chicago White Sox | Chicago White Sox signed free agent RHP Danny Farquhar to a minor league contract. |
| Jul 24, 2017 | Trade | Anthony Recker | Atlanta Braves | Minnesota Twins | Atlanta Braves traded cash, C Anthony Recker and Jaime Garcia to Minnesota Twins for RHP Huascar Ynoa. |
| Jul 24, 2017 | Trade | Jean Machi | Seattle Mariners | Chicago White Sox | Seattle Mariners traded RHP Jean Machi and RHP Mark Lowe to Chicago White Sox for cash. |
| Jul 24, 2017 | Trade | Nick Tepesch | Minnesota Twins | Toronto Blue Jays | Toronto Blue Jays traded cash to Minnesota Twins for RHP Nick Tepesch. |
| Jul 24, 2017 | Signed as free agent | Danny Espinosa | — | Seattle Mariners | Seattle Mariners signed free agent 2B Danny Espinosa. |
| Jul 24, 2017 | Released | Rickie Weeks Jr. | — | Tampa Bay Rays | Tampa Bay Rays released 1B Rickie Weeks Jr.. |
| Jul 24, 2017 | Trade | Ryan Buchter | San Diego Padres | Kansas City Royals | San Diego Padres traded Brandon Maurer, Ryan Buchter and RHP Trevor Cahill to Kansas City Royals for cash, 2B Esteury Ruiz, LHP Matt Strahm and Travis Wood. |
| Jul 24, 2017 | Signed as free agent | Zach Prendergast | — | St. Louis Cardinals | St. Louis Cardinals signed free agent RHP Zach Prendergast to a minor league contract. |
| Jul 24, 2017 | Trade | Will Lamb | Chicago White Sox | Colorado Rockies | Chicago White Sox traded LHP Will Lamb to Colorado Rockies for cash. |
| Jul 24, 2017 | Signed as free agent | Carter Hope | — | Kansas City Royals | Kansas City Royals signed free agent RHP Carter Hope to a minor league contract. |
| Jul 24, 2017 | Signed as free agent | Emmanuel Quinones | — | Detroit Tigers | Detroit Tigers signed free agent RHP Emmanuel Quinones to a minor league contract. |
| Jul 24, 2017 | Signed as free agent | Carlos Santiago | — | Los Angeles Dodgers | Los Angeles Dodgers signed free agent SS Carlos Santiago to a minor league contract. |
| Jul 24, 2017 | Signed | LJ Hatch | — | Colorado Rockies | Colorado Rockies signed SS LJ Hatch. |
| Jul 23, 2017 | Trade | Dillon McNamara | New York Yankees | San Francisco Giants | New York Yankees traded RHP Dillon McNamara to San Francisco Giants for cash. |
| Jul 23, 2017 | Trade | Rob Refsnyder | New York Yankees | Toronto Blue Jays | Toronto Blue Jays traded 1B Ryan McBroom to New York Yankees for 1B Rob Refsnyder. |
| Jul 22, 2017 | Signed as free agent | Pablo Sandoval | — | San Francisco Giants | San Francisco Giants signed free agent 3B Pablo Sandoval to a minor league contract. |
| Jul 22, 2017 | Signed as free agent | J.J. Franco | — | New York Mets | New York Mets signed free agent 2B J.J. Franco to a minor league contract. |
| Jul 22, 2017 | Signed as free agent | Bengie González | — | Washington Nationals | Washington Nationals signed free agent SS Bengie Gonzalez to a minor league contract. |
| Jul 22, 2017 | Trade | Sergio Romo | Los Angeles Dodgers | Tampa Bay Rays | Los Angeles Dodgers traded RHP Sergio Romo to Tampa Bay Rays for cash. |
| Jul 21, 2017 | Signed as free agent | Chris Carter | — | Athletics | Oakland Athletics signed free agent 1B Chris Carter to a minor league contract. |
| Jul 21, 2017 | Trade | Marco Gonzales | St. Louis Cardinals | Seattle Mariners | St. Louis Cardinals traded LHP Marco Gonzales to Seattle Mariners for RF Tyler O'Neill. |
| Jul 21, 2017 | Released | Eric O'Flaherty | — | Atlanta Braves | Atlanta Braves released LHP Eric O'Flaherty. |
| Jul 21, 2017 | Signed as free agent | David Carpenter | — | Arizona Diamondbacks | Arizona Diamondbacks signed free agent RHP David Carpenter to a minor league contract. |
| Jul 21, 2017 | Signed | Kyle Wilson | — | New York Mets | New York Mets signed RHP Kyle Wilson. |
| Jul 21, 2017 | Signed as free agent | David Gerics | — | Minnesota Twins | Minnesota Twins signed free agent RHP David Gerics to a minor league contract. |
| Jul 21, 2017 | Signed as free agent | Joe Rosenstein | — | Minnesota Twins | Minnesota Twins signed free agent RHP Joe Rosenstein to a minor league contract. |
| Jul 21, 2017 | Signed as free agent | Luis Baez | — | Seattle Mariners | Seattle Mariners signed free agent RHP Luis Baez to a minor league contract. |
| Jul 20, 2017 | Signed | Garrett Whitlock | — | New York Yankees | New York Yankees signed RHP Garrett Whitlock. |
| Jul 20, 2017 | Trade | Brandon Miller | Seattle Mariners | Miami Marlins | Miami Marlins traded RHP David Phelps to Seattle Mariners for RHP Brandon Miller, CF Brayan Hernandez, RHP Lukas Schiraldi and RHP Pablo Lopez. |
| Jul 20, 2017 | Signed as free agent | David Sopilka | — | Arizona Diamondbacks | Arizona Diamondbacks signed free agent C David Sopilka to a minor league contract. |
| Jul 20, 2017 | Signed as free agent | Michael Kohn | — | Minnesota Twins | Minnesota Twins signed free agent RHP Michael Kohn to a minor league contract. |
| Jul 20, 2017 | Signed as free agent | Chaz Meadows | — | Arizona Diamondbacks | Arizona Diamondbacks signed free agent SS Chaz Meadows to a minor league contract. |
| Jul 20, 2017 | Released | Danny Espinosa | — | Los Angeles Angels | Los Angeles Angels released 2B Danny Espinosa. |
| Jul 20, 2017 | Signed as free agent | Jason Adam | — | San Diego Padres | San Diego Padres signed free agent RHP Jason Adam to a minor league contract. |
| Jul 20, 2017 | Signed as free agent | Christoph Bono | — | San Diego Padres | San Diego Padres signed free agent LF Christoph Bono to a minor league contract. |
| Jul 20, 2017 | Signed | John Gavin | — | San Francisco Giants | San Francisco Giants signed LHP John Gavin. |
| Jul 20, 2017 | Signed | Frank Rubio | — | San Francisco Giants | San Francisco Giants signed RHP Frank Rubio. |
| Jul 20, 2017 | Signed as free agent | Jose Peralta | — | Cincinnati Reds | Cincinnati Reds signed free agent RHP Jose Peralta to a minor league contract. |
| Jul 20, 2017 | Signed as free agent | Sebastian Grullon | — | Houston Astros | Houston Astros signed free agent SS Sebastian Grullon to a minor league contract. |
| Jul 19, 2017 | Trade | Tommy Kahnle | Chicago White Sox | New York Yankees | Chicago White Sox traded 3B Todd Frazier, RHP David Robertson and RHP Tommy Kahnle to New York Yankees for Tyler Clippard, LHP Ian Clarkin, CF Blake Rutherford and CF Tito Polo. |
| Jul 19, 2017 | Signed as free agent | Tommy Layne | — | Los Angeles Dodgers | Los Angeles Dodgers signed free agent LHP Tommy Layne to a minor league contract. |
| Jul 19, 2017 | Signed as free agent | Seth Spivey | — | Arizona Diamondbacks | Arizona Diamondbacks signed free agent C Seth Spivey to a minor league contract. |
| Jul 19, 2017 | Signed as free agent | Angel Franco | — | Arizona Diamondbacks | Arizona Diamondbacks signed free agent 2B Angel Franco to a minor league contract. |
| Jul 19, 2017 | Signed as free agent | Vladimir Frias | — | Arizona Diamondbacks | Arizona Diamondbacks signed free agent 2B Vladimir Frias to a minor league contract. |
| Jul 19, 2017 | Released | Pablo Sandoval | — | Boston Red Sox | Boston Red Sox released 3B Pablo Sandoval. |
| Jul 19, 2017 | Signed as free agent | Adrian Marin | — | Philadelphia Phillies | Philadelphia Phillies signed free agent LHP Adrian Marin to a minor league contract. |
| Jul 19, 2017 | Signed as free agent | Juan Santana | — | Athletics | Oakland Athletics signed free agent OF Juan Santana to a minor league contract. |
| Jul 19, 2017 | Signed as free agent | Luis Devers | — | Chicago Cubs | Chicago Cubs signed free agent RHP Luis Devers to a minor league contract. |
| Jul 18, 2017 | Trade | Sergio Alcántara | Arizona Diamondbacks | Detroit Tigers | Detroit Tigers traded RF J.D. Martinez to Arizona Diamondbacks for 3B Dawel Lugo, SS Jose King and SS Sergio Alcantara. |
| Jul 18, 2017 | Trade | Chaz Roe | Atlanta Braves | Tampa Bay Rays | Atlanta Braves traded RHP Chaz Roe to Tampa Bay Rays for cash. |
| Jul 18, 2017 | Signed as free agent | Tyler Howe | — | Detroit Tigers | Detroit Tigers signed free agent RHP Tyler Howe to a minor league contract. |
| Jul 18, 2017 | Signed as free agent | Mark Savarese | — | Detroit Tigers | Detroit Tigers signed free agent RHP Mark Savarese to a minor league contract. |
| Jul 18, 2017 | Signed as free agent | Max Herrmann | — | Los Angeles Angels | Los Angeles Angels signed free agent LHP Max Herrmann to a minor league contract. |
| Jul 18, 2017 | Signed | Parker Sanburn | — | Texas Rangers | Texas Rangers signed RHP Parker Sanburn. |
| Jul 18, 2017 | Signed | LG Castillo | — | Milwaukee Brewers | Milwaukee Brewers signed OF Leugim Castillo. |
| Jul 18, 2017 | Signed as free agent | Paco Rodríguez | — | Baltimore Orioles | Baltimore Orioles signed free agent LHP Paco Rodriguez to a minor league contract. |
| Jul 18, 2017 | Signed as free agent | Emilio Garcia | — | Cincinnati Reds | Cincinnati Reds signed free agent OF Emilio Garcia to a minor league contract. |
| Jul 18, 2017 | Signed as free agent | Samuel Colmenarez | — | Cincinnati Reds | Cincinnati Reds signed free agent 2B Samuel Colmenarez to a minor league contract. |
| Jul 18, 2017 | Signed as free agent | Fraudys Jimenez | — | Cincinnati Reds | Cincinnati Reds signed free agent 2B Fraudys Jimenez to a minor league contract. |
| Jul 18, 2017 | Signed as free agent | Allan Cerda | — | Cincinnati Reds | Cincinnati Reds signed free agent OF Allan Cerda to a minor league contract. |
| Jul 18, 2017 | Signed as free agent | Sebastian Almonte | — | Cincinnati Reds | Cincinnati Reds signed free agent IF Sebastian Almonte to a minor league contract. |
| Jul 18, 2017 | Signed as free agent | Jose Acosta | — | Cincinnati Reds | Cincinnati Reds signed free agent 2B Jose Acosta to a minor league contract. |
| Jul 18, 2017 | Signed as free agent | Diego Maican | — | Kansas City Royals | Kansas City Royals signed free agent OF Diego Maican to a minor league contract. |
| Jul 18, 2017 | Signed as free agent | Jesus Reyes | — | Kansas City Royals | Kansas City Royals signed free agent 2B Jesus Reyes to a minor league contract. |
| Jul 18, 2017 | Signed as free agent | Rodrigo Rodriguez | — | Kansas City Royals | Kansas City Royals signed free agent C Rodrigo Rodriguez to a minor league contract. |
| Jul 17, 2017 | Signed | Chris Colabello | — | Milwaukee Brewers | Milwaukee Brewers signed 1B Chris Colabello. |
| Jul 17, 2017 | Signed as free agent | Korey Anderson | — | San Diego Padres | San Diego Padres signed free agent RHP Korey Anderson to a minor league contract. |
| Jul 17, 2017 | Signed as free agent | Daniel Butler | — | Washington Nationals | Washington Nationals signed free agent P Daniel Butler to a minor league contract. |
| Jul 17, 2017 | Signed as free agent | Brian Browning | — | Colorado Rockies | Colorado Rockies signed free agent LHP Brian Browning to a minor league contract. |
| Jul 17, 2017 | Signed as free agent | Kyle Cunningham | — | Colorado Rockies | Colorado Rockies signed free agent C Kyle Cunningham to a minor league contract. |
| Jul 17, 2017 | Signed as free agent | Tyler Hanson | — | Colorado Rockies | Colorado Rockies signed free agent RHP Tyler Hanson to a minor league contract. |
| Jul 17, 2017 | Signed as free agent | Matt Williams | — | Philadelphia Phillies | Philadelphia Phillies signed free agent SS Matt Williams to a minor league contract. |
| Jul 17, 2017 | Signed as free agent | Farlyn Manon | — | Milwaukee Brewers | Milwaukee Brewers signed free agent C Farlyn Manon to a minor league contract. |
| Jul 17, 2017 | Signed as free agent | Hendry Nunez | — | Detroit Tigers | Detroit Tigers signed free agent RHP Hendry Nunez to a minor league contract. |
| Jul 17, 2017 | Signed as free agent | Cristian Lima | — | Philadelphia Phillies | Philadelphia Phillies signed free agent RHP Cristian Lima to a minor league contract. |
| Jul 17, 2017 | Signed as free agent | Marco Cardoso | — | Boston Red Sox | Boston Red Sox signed free agent SS Marco Cardoso to a minor league contract. |
| Jul 17, 2017 | Signed as free agent | Elvin Ozoria | — | Miami Marlins | Miami Marlins signed free agent SS Elvin Ozoria to a minor league contract. |
| Jul 16, 2017 | Signed | Caleb Gindl | — | San Francisco Giants | San Francisco Giants signed RF Caleb Gindl. |
| Jul 16, 2017 | Trade | Sean Doolittle | Athletics | Washington Nationals | Oakland Athletics traded RHP Ryan Madson and LHP Sean Doolittle to Washington Nationals for RHP Blake Treinen, LHP Jesus Luzardo and 3B Sheldon Neuse. |
| Jul 16, 2017 | Signed | Cameron Bishop | — | Baltimore Orioles | Baltimore Orioles signed LHP Cameron Bishop. |
| Jul 16, 2017 | Signed as free agent | Jason Richman | — | Los Angeles Dodgers | Los Angeles Dodgers signed free agent LHP Jason Richman to a minor league contract. |
| Jul 16, 2017 | Signed as free agent | Xavier Paul | — | Texas Rangers | Texas Rangers signed free agent OF Xavier Paul to a minor league contract. |
| Jul 16, 2017 | Signed as free agent | Daniel Vitriago | — | Kansas City Royals | Kansas City Royals signed free agent LHP Daniel Vitriago to a minor league contract. |
| Jul 15, 2017 | Signed as free agent | Sean Adler | — | Washington Nationals | Washington Nationals signed free agent LHP Sean Adler to a minor league contract. |
| Jul 15, 2017 | Signed | Bryce Hutchinson | — | New York Mets | New York Mets signed RHP Bryce Hutchinson. |
| Jul 15, 2017 | Trade | Yeyson Yrizarri | Texas Rangers | Chicago White Sox | Texas Rangers traded SS Yeyson Yrizarri to Chicago White Sox for Future Considerations. |
| Jul 15, 2017 | Signed as free agent | Tyler Bortnick | — | Milwaukee Brewers | Milwaukee Brewers signed free agent 2B Tyler Bortnick to a minor league contract. |
| Jul 15, 2017 | Signed | Jeanmar Gómez | — | Milwaukee Brewers | Milwaukee Brewers signed RHP Jeanmar Gomez. |
| Jul 15, 2017 | Signed | Alec Kenilvort | — | Milwaukee Brewers | Milwaukee Brewers signed RHP Alec Kenilvort. |
| Jul 15, 2017 | Signed as free agent | Justin Bruihl | — | Los Angeles Dodgers | Los Angeles Dodgers signed free agent LHP Justin Bruihl to a minor league contract. |
| Jul 15, 2017 | Signed as free agent | Jhonkensy Noel | — | Cleveland Guardians | Cleveland Indians signed free agent 3B Jhonkensy Noel to a minor league contract. |
| Jul 14, 2017 | Signed as free agent | Shawn Zarraga | — | Los Angeles Dodgers | Los Angeles Dodgers signed free agent C Shawn Zarraga to a minor league contract. |
| Jul 14, 2017 | Signed as free agent | Brian Moran | — | Los Angeles Dodgers | Los Angeles Dodgers signed free agent LHP Brian Moran to a minor league contract. |
| Jul 14, 2017 | Signed as free agent | Jhoiner Rodriguez | — | New York Yankees | New York Yankees signed free agent C Jhoiner Rodriguez to a minor league contract. |
| Jul 14, 2017 | Signed as free agent | Luis Gomez | — | Philadelphia Phillies | Philadelphia Phillies signed free agent RHP Luis Gomez to a minor league contract. |
| Jul 14, 2017 | Signed as free agent | Luis Silva | — | Milwaukee Brewers | Milwaukee Brewers signed free agent SS Luis Silva to a minor league contract. |
| Jul 14, 2017 | Signed as free agent | Guillermo Quintana | — | Kansas City Royals | Kansas City Royals signed free agent C Guillermo Quintana to a minor league contract. |
| Jul 14, 2017 | Signed as free agent | Andy Reyes | — | Philadelphia Phillies | Philadelphia Phillies signed free agent RHP Andy Reyes to a minor league contract. |
| Jul 13, 2017 | Trade | Matt Rose | Chicago Cubs | Chicago White Sox | Chicago White Sox traded LHP Jose Quintana to Chicago Cubs for 2B Bryant Flete, RHP Dylan Cease, LF Eloy Jimenez and 1B Matt Rose. |
| Jul 13, 2017 | Trade | Garrett Cooper | Milwaukee Brewers | New York Yankees | New York Yankees traded LHP Tyler Webb to Milwaukee Brewers for 1B Garrett Cooper. |
| Jul 13, 2017 | Signed as free agent | Jared Lakind | — | Miami Marlins | Miami Marlins signed free agent LHP Jared Lakind to a minor league contract. |
| Jul 13, 2017 | Signed as free agent | Michael Almanzar | — | Washington Nationals | Washington Nationals signed free agent 3B Michael Almanzar to a minor league contract. |
| Jul 13, 2017 | Signed as free agent | John Straka | — | Toronto Blue Jays | Toronto Blue Jays signed free agent RHP John Straka to a minor league contract. |
| Jul 13, 2017 | Released | Antonio Bastardo | — | Pittsburgh Pirates | Pittsburgh Pirates released LHP Antonio Bastardo. |
| Jul 13, 2017 | Signed as free agent | Max MacNabb | — | Baltimore Orioles | Baltimore Orioles signed free agent LHP Max MacNabb to a minor league contract. |
| Jul 13, 2017 | Signed as free agent | Nomar Urdaneta | — | Minnesota Twins | Minnesota Twins signed free agent SS Nomar Urdaneta to a minor league contract. |
| Jul 13, 2017 | Signed as free agent | Federico Polanco | — | New York Mets | New York Mets signed free agent SS Federico Polanco to a minor league contract. |
| Jul 12, 2017 | Signed | Bailey Cummings | — | Philadelphia Phillies | Philadelphia Phillies signed RHP Bailey Cummings. |
| Jul 12, 2017 | Signed as free agent | Brandon Grudzielanek | — | Toronto Blue Jays | Toronto Blue Jays signed free agent SS Brandon Grudzielanek to a minor league contract. |
| Jul 12, 2017 | Signed as free agent | Evan McDonald | — | Toronto Blue Jays | Toronto Blue Jays signed free agent SS Evan McDonald to a minor league contract. |
| Jul 12, 2017 | Signed | Cam Robinson | — | Milwaukee Brewers | Milwaukee Brewers signed RHP Cam Robinson. |
| Jul 12, 2017 | Signed as free agent | Oliver Lezcano | — | New York Yankees | New York Yankees signed free agent RHP Oliver Lezcano to a minor league contract. |
| Jul 11, 2017 | Signed | Mark Kolozsvary | — | Cincinnati Reds | Cincinnati Reds signed C Mark Kolozsvary. |
| Jul 11, 2017 | Signed as free agent | Yerangel Medina | — | Atlanta Braves | Atlanta Braves signed free agent 3B Yerangel Medina to a minor league contract. |
| Jul 11, 2017 | Signed as free agent | Felix Cepeda | — | Boston Red Sox | Boston Red Sox signed free agent RHP Felix Cepeda to a minor league contract. |
| Jul 11, 2017 | Signed as free agent | Carlos Arroyo | — | Pittsburgh Pirates | Pittsburgh Pirates signed free agent 2B Carlos Arroyo to a minor league contract. |
| Jul 10, 2017 | Signed as free agent | Kyle Goodbrand | — | Tampa Bay Rays | Tampa Bay Rays signed free agent RHP Kyle Goodbrand to a minor league contract. |
| Jul 10, 2017 | Signed as free agent | Paul Campbell | — | Tampa Bay Rays | Tampa Bay Rays signed free agent RHP Paul Campbell to a minor league contract. |
| Jul 10, 2017 | Signed | Michael Smith | — | Tampa Bay Rays | Tampa Bay Rays signed OF Michael Smith. |
| Jul 10, 2017 | Released | Chris Carter | — | New York Yankees | New York Yankees released 1B Chris Carter. |
| Jul 10, 2017 | Trade | Todd Cunningham | St. Louis Cardinals | Los Angeles Dodgers | St. Louis Cardinals traded RF Todd Cunningham to Los Angeles Dodgers for cash. |
| Jul 10, 2017 | Signed as free agent | Blake Smith | — | Detroit Tigers | Detroit Tigers signed free agent RHP Blake Smith to a minor league contract. |
| Jul 10, 2017 | Signed | Adam Stauffer | — | Baltimore Orioles | Baltimore Orioles signed RHP Adam Stauffer. |
| Jul 10, 2017 | Signed as free agent | Wilber Perez | — | Milwaukee Brewers | Milwaukee Brewers signed free agent RHP Wilber Perez to a minor league contract. |
| Jul 10, 2017 | Signed as free agent | Felipe Acosta | — | Toronto Blue Jays | Toronto Blue Jays signed free agent RHP Juan Acosta to a minor league contract. |
| Jul 9, 2017 | Signed as free agent | Michael Roth | — | Tampa Bay Rays | Tampa Bay Rays signed free agent LHP Michael Roth. |
| Jul 9, 2017 | Signed | Je'Von Ward | — | Milwaukee Brewers | Milwaukee Brewers signed OF Je'Von Ward. |
| Jul 9, 2017 | Signed as free agent | Cristian Hernandez | — | Philadelphia Phillies | Philadelphia Phillies signed free agent RHP Cristian Hernandez to a minor league contract. |
| Jul 9, 2017 | Signed as free agent | Kelvin Garcia | — | Athletics | Oakland Athletics signed free agent OF Kelvin Garcia to a minor league contract. |
| Jul 9, 2017 | Signed | Tristen Lutz | — | Milwaukee Brewers | Milwaukee Brewers signed OF Tristen Lutz. |
| Jul 8, 2017 | Trade | Aaron Myers | Milwaukee Brewers | Baltimore Orioles | Milwaukee Brewers traded RHP Aaron Myers to Baltimore Orioles for Future Considerations. |
| Jul 8, 2017 | Signed as free agent | Santos Moreno | — | Toronto Blue Jays | Toronto Blue Jays signed free agent RHP Santos Moreno to a minor league contract. |
| Jul 8, 2017 | Signed as free agent | Efrain Contreras | — | San Diego Padres | San Diego Padres signed free agent RHP Efrain Contreras to a minor league contract. |
| Jul 8, 2017 | Signed as free agent | Diego Hernandez | — | Kansas City Royals | Kansas City Royals signed free agent OF Diego Hernandez to a minor league contract. |
| Jul 8, 2017 | Signed as free agent | Jose Zepeda | — | Toronto Blue Jays | Toronto Blue Jays signed free agent 2B Jose Zepeda to a minor league contract. |
| Jul 8, 2017 | Signed as free agent | Francis Grullon | — | Kansas City Royals | Kansas City Royals signed free agent SS Francis Grullon to a minor league contract. |
| Jul 8, 2017 | Signed as free agent | Neyfi Marinez | — | Kansas City Royals | Kansas City Royals signed free agent OF Neyfi Marinez to a minor league contract. |
| Jul 7, 2017 | Signed | Cam Warner | — | Detroit Tigers | Detroit Tigers signed IF Cameron Warner. |
| Jul 7, 2017 | Signed | Seth Romero | — | Washington Nationals | Washington Nationals signed LHP Seth Romero. |
| Jul 7, 2017 | Signed | Wil Crowe | — | Washington Nationals | Washington Nationals signed RHP Wil Crowe. |
| Jul 7, 2017 | Signed | Cole Freeman | — | Washington Nationals | Washington Nationals signed 2B Cole Freeman. |
| Jul 7, 2017 | Signed | Alex Dunlap | — | Washington Nationals | Washington Nationals signed C Alex Dunlap. |
| Jul 7, 2017 | Signed | David Peterson | — | New York Mets | New York Mets signed LHP David Peterson. |
| Jul 7, 2017 | Signed | J.B. Bukauskas | — | Houston Astros | Houston Astros signed RHP J.B. Bukauskas. |
| Jul 7, 2017 | Signed as free agent | Francisco Hernandez | — | St. Louis Cardinals | St. Louis Cardinals signed free agent 3B Francisco Hernandez to a minor league contract. |
| Jul 7, 2017 | Signed | Jake Thompson | — | Boston Red Sox | Boston Red Sox signed RHP Jake Thompson. |
| Jul 7, 2017 | Signed | Aaron Perry | — | Boston Red Sox | Boston Red Sox signed RHP Aaron Perry. |
| Jul 7, 2017 | Signed | David Durden | — | Boston Red Sox | Boston Red Sox signed CF David Durden. |
| Jul 7, 2017 | Signed | Tyler Dearden | — | Boston Red Sox | Boston Red Sox signed OF Tyler Dearden. |
| Jul 7, 2017 | Signed | Andrew Carber | — | Boston Red Sox | Boston Red Sox signed RHP Andrew Carber. |
| Jul 7, 2017 | Signed | Colton Hock | — | Miami Marlins | Miami Marlins signed RHP Colton Hock. |
| Jul 7, 2017 | Signed | Taylor Braley | — | Miami Marlins | Miami Marlins signed RHP Taylor Braley. |
| Jul 7, 2017 | Signed | Dakota Bennett | — | Miami Marlins | Miami Marlins signed LHP Dakota Bennett. |
| Jul 7, 2017 | Signed | Jan Mercado | — | Miami Marlins | Miami Marlins signed C Jan Mercado. |
| Jul 7, 2017 | Signed | Matt Givin | — | Miami Marlins | Miami Marlins signed RHP Matt Givin. |
| Jul 7, 2017 | Signed | J.D. Osborne | — | Miami Marlins | Miami Marlins signed C J.D. Osborne. |
| Jul 7, 2017 | Signed | Hunter Greene | — | Cincinnati Reds | Cincinnati Reds signed RHP Hunter Greene. |
| Jul 7, 2017 | Signed | Justin Bellinger | — | Cincinnati Reds | Cincinnati Reds signed 1B Justin Bellinger. |
| Jul 7, 2017 | Signed | Michael Papierski | — | Houston Astros | Houston Astros signed C Michael Papierski. |
| Jul 7, 2017 | Signed | Jared Young | — | Chicago Cubs | Chicago Cubs signed 2B Jared Young. |
| Jul 7, 2017 | Signed | Brandon Hughes | — | Chicago Cubs | Chicago Cubs signed CF Brandon Hughes. |
| Jul 7, 2017 | Signed as free agent | Junior Rincon | — | Atlanta Braves | Atlanta Braves signed free agent RHP Junior Rincon to a minor league contract. |
| Jul 7, 2017 | Signed | Alex Lange | — | Chicago Cubs | Chicago Cubs signed RHP Alex Lange. |
| Jul 7, 2017 | Signed | Jeremiah Estrada | — | Chicago Cubs | Chicago Cubs signed RHP Jeremiah Estrada. |
| Jul 7, 2017 | Signed | Nelson Velázquez | — | Chicago Cubs | Chicago Cubs signed OF Nelson Velazquez. |
| Jul 7, 2017 | Signed as free agent | Bartolo Colon | — | Minnesota Twins | Minnesota Twins signed free agent RHP Bartolo Colon to a minor league contract. |
| Jul 7, 2017 | Signed | Myles McKisic | — | Texas Rangers | Texas Rangers signed SS Myles McKisic. |
| Jul 7, 2017 | Signed as free agent | Ryan McAuliffe | — | New York Mets | New York Mets signed free agent RHP Ryan McAuliffe to a minor league contract. |
| Jul 7, 2017 | Signed | PK Morris | — | Toronto Blue Jays | Toronto Blue Jays signed 1B P.K. Morris. |
| Jul 7, 2017 | Signed | Jeren Kendall | — | Los Angeles Dodgers | Los Angeles Dodgers signed CF Jeren Kendall. |
| Jul 7, 2017 | Signed | Morgan Cooper | — | Los Angeles Dodgers | Los Angeles Dodgers signed RHP Morgan Cooper. |
| Jul 7, 2017 | Signed | Connor Wong | — | Los Angeles Dodgers | Los Angeles Dodgers signed C Connor Wong. |
| Jul 7, 2017 | Signed | K.J. Harrison | — | Milwaukee Brewers | Milwaukee Brewers signed C KJ Harrison. |
| Jul 7, 2017 | Signed | Isaiah Henry | — | Kansas City Royals | Kansas City Royals signed OF Isaiah Henry. |
| Jul 7, 2017 | Signed | Spencer Kulman | — | San Diego Padres | San Diego Padres signed RHP Spencer Kulman. |
| Jul 7, 2017 | Signed as free agent | Jorge Mancebo | — | Milwaukee Brewers | Milwaukee Brewers signed free agent RHP Jorge Mancebo to a minor league contract. |
| Jul 7, 2017 | Signed | Peyton Remy | — | Chicago Cubs | Chicago Cubs signed RHP Peyton Remy. |
| Jul 7, 2017 | Signed as free agent | Jorge Leo | — | San Diego Padres | San Diego Padres signed free agent RHP Jorge Leo to a minor league contract. |
| Jul 7, 2017 | Signed as free agent | Eric Mendez | — | Arizona Diamondbacks | Arizona Diamondbacks signed free agent RHP Eric Mendez to a minor league contract. |
| Jul 7, 2017 | Signed as free agent | Pedro Ramirez | — | Philadelphia Phillies | Philadelphia Phillies signed free agent OF Pedro Ramirez to a minor league contract. |
| Jul 7, 2017 | Signed as free agent | Oscar Toussaint | — | Tampa Bay Rays | Tampa Bay Rays signed free agent CF Oscar Toussaint to a minor league contract. |
| Jul 7, 2017 | Signed | Alex Valverde | — | Tampa Bay Rays | Tampa Bay Rays signed RHP Alex Valverde. |
| Jul 7, 2017 | Signed | Ronnie Taylor Jr. | — | New York Mets | New York Mets signed RHP Ronnie Taylor, Jr.. |
| Jul 7, 2017 | Signed as free agent | Jason Ferreras | — | Minnesota Twins | Minnesota Twins signed free agent RHP Jason Ferreras to a minor league contract. |
| Jul 7, 2017 | Signed as free agent | Joan Hernandez | — | Philadelphia Phillies | Philadelphia Phillies signed free agent RHP Joan Hernandez to a minor league contract. |
| Jul 7, 2017 | Signed as free agent | Gustavo Ruiz | — | Toronto Blue Jays | Toronto Blue Jays signed free agent C Gustavo Ruiz to a minor league contract. |
| Jul 7, 2017 | Signed as free agent | Alan Mundo | — | San Diego Padres | San Diego Padres signed free agent RHP Alan Mundo to a minor league contract. |
| Jul 7, 2017 | Signed as free agent | Deivi Estrada | — | Atlanta Braves | Atlanta Braves signed free agent CF Deivi Estrada to a minor league contract. |
| Jul 7, 2017 | Signed as free agent | Carlos Paraguate | — | Atlanta Braves | Atlanta Braves signed free agent SS Carlos Paraguate to a minor league contract. |
| Jul 7, 2017 | Signed as free agent | Deivy Florido | — | Seattle Mariners | Seattle Mariners signed free agent RHP Deivy Florido to a minor league contract. |
| Jul 7, 2017 | Signed as free agent | Richi Vasquez | — | Kansas City Royals | Kansas City Royals signed free agent RHP Richi Vasquez to a minor league contract. |
| Jul 7, 2017 | Signed as free agent | Xionel Garcia | — | Kansas City Royals | Kansas City Royals signed free agent OF Xionel Garcia to a minor league contract. |
| Jul 7, 2017 | Signed as free agent | Jonaiker Izaguirre | — | Atlanta Braves | Atlanta Braves signed free agent CF Jonaiker Izaguirre to a minor league contract. |
| Jul 7, 2017 | Signed as free agent | Vitor Watanabe | — | Milwaukee Brewers | Milwaukee Brewers signed free agent OF Vitor Watanabe to a minor league contract. |
| Jul 7, 2017 | Signed as free agent | Karlos Morales | — | Milwaukee Brewers | Milwaukee Brewers signed free agent LHP Karlos Morales to a minor league contract. |
| Jul 6, 2017 | Signed as free agent | Jose Carrera | — | New York Yankees | New York Yankees signed free agent IF Jose Carrera to a minor league contract. |
| Jul 6, 2017 | Signed as free agent | Max Bartlett | — | Kansas City Royals | Kansas City Royals signed free agent SS Max Bartlett to a minor league contract. |
| Jul 6, 2017 | Signed | Matt Tabor | — | Arizona Diamondbacks | Arizona Diamondbacks signed RHP Matt Tabor. |
| Jul 6, 2017 | Signed | Logan Darnell | — | Tampa Bay Rays | Tampa Bay Rays signed LHP Logan Darnell. |
| Jul 6, 2017 | Signed as free agent | Jake Buchanan | — | Arizona Diamondbacks | Arizona Diamondbacks signed free agent RHP Jake Buchanan to a minor league contract. |
| Jul 6, 2017 | Signed | Ricky Vanasco | — | Texas Rangers | Texas Rangers signed RHP Ricky Vanasco. |
| Jul 6, 2017 | Signed | Nick Snyder | — | Texas Rangers | Texas Rangers signed RHP Nick Snyder. |
| Jul 6, 2017 | Signed | Mike Rivera | — | Cleveland Guardians | Cleveland Indians signed C Michael Rivera. |
| Jul 6, 2017 | Signed | Dante Mendoza | — | Cleveland Guardians | Cleveland Indians signed RHP Dante Mendoza. |
| Jul 6, 2017 | Signed as free agent | Kody Rock | — | Milwaukee Brewers | Milwaukee Brewers signed free agent RHP Kody Rock to a minor league contract. |
| Jul 6, 2017 | Signed | Jacob Amaya | — | Los Angeles Dodgers | Los Angeles Dodgers signed SS Jacob Amaya. |
| Jul 6, 2017 | Signed | Nathan Witt | — | Los Angeles Dodgers | Los Angeles Dodgers signed RHP Nathan Witt. |
| Jul 6, 2017 | Signed | Donovan Casey | — | Los Angeles Dodgers | Los Angeles Dodgers signed OF Donovan Casey. |
| Jul 6, 2017 | Signed | Mark Washington | — | Los Angeles Dodgers | Los Angeles Dodgers signed RHP Mark Washington. |
| Jul 6, 2017 | Signed | Riley Richert | — | Los Angeles Dodgers | Los Angeles Dodgers signed RHP Riley Richert. |
| Jul 6, 2017 | Signed | Luis Vázquez | — | Chicago Cubs | Chicago Cubs signed SS Luis Vazquez. |
| Jul 6, 2017 | Signed | Andres Santana | — | Houston Astros | Houston Astros signed OF Andres Santana. |
| Jul 6, 2017 | Signed | Dalton Guthrie | — | Philadelphia Phillies | Philadelphia Phillies signed SS Dalton Guthrie. |
| Jul 6, 2017 | Signed | D.J. Stewart | — | Philadelphia Phillies | Philadelphia Phillies signed 3B D.J. Stewart. |
| Jul 6, 2017 | Signed | Matt Morales | — | Kansas City Royals | Kansas City Royals signed SS Matt Morales. |
| Jul 6, 2017 | Signed | Kyle Serrano | — | Houston Astros | Houston Astros signed RHP Kyle Serrano. |
| Jul 6, 2017 | Signed as free agent | Greyson Lambert | — | Texas Rangers | Texas Rangers signed free agent RHP Greyson Lambert to a minor league contract. |
| Jul 6, 2017 | Signed as free agent | Isaac Silva | — | Baltimore Orioles | Baltimore Orioles signed free agent LHP Isaac Silva to a minor league contract. |
| Jul 6, 2017 | Signed | Doug Norman | — | Cincinnati Reds | Cincinnati Reds signed RHP Doug Norman. |
| Jul 6, 2017 | Signed as free agent | Alfredo Castaneda | — | San Diego Padres | San Diego Padres signed free agent RHP Alfredo Castaneda to a minor league contract. |
| Jul 6, 2017 | Signed as free agent | Jenrry Gonzalez | — | Los Angeles Angels | Los Angeles Angels signed free agent LHP Jenrry Gonzalez to a minor league contract. |
| Jul 6, 2017 | Signed as free agent | Richgelon Juliana | — | San Francisco Giants | San Francisco Giants signed free agent CF Richgelon Juliana to a minor league contract. |
| Jul 6, 2017 | Signed as free agent | Jesus Leon | — | Los Angeles Angels | Los Angeles Angels signed free agent LHP Jesus Leon to a minor league contract. |
| Jul 6, 2017 | Signed as free agent | Rainier Rivas | — | Los Angeles Angels | Los Angeles Angels signed free agent OF Rainier Rivas to a minor league contract. |
| Jul 6, 2017 | Signed as free agent | Jose Bonilla | — | Athletics | Oakland Athletics signed free agent OF Jose Bonilla to a minor league contract. |
| Jul 6, 2017 | Signed as free agent | Adrian Solano | — | Kansas City Royals | Kansas City Royals signed free agent RHP Adrian Solano to a minor league contract. |
| Jul 6, 2017 | Signed as free agent | Wilson Gomez | — | Los Angeles Angels | Los Angeles Angels signed free agent LHP Wilson Gomez to a minor league contract. |
| Jul 6, 2017 | Signed as free agent | Herard Gonzalez | — | Kansas City Royals | Kansas City Royals signed free agent SS Herard Gonzalez to a minor league contract. |
| Jul 6, 2017 | Signed as free agent | Cesar Mata | — | Philadelphia Phillies | Philadelphia Phillies signed free agent OF Cesar Mata to a minor league contract. |
| Jul 6, 2017 | Signed as free agent | Emmanuel Duran | — | Los Angeles Angels | Los Angeles Angels signed free agent RHP Emmanuel Duran to a minor league contract. |
| Jul 6, 2017 | Signed as free agent | Roger Parraga | — | Philadelphia Phillies | Philadelphia Phillies signed free agent RHP Roger Parraga to a minor league contract. |
| Jul 6, 2017 | Signed as free agent | Bryan Asencio | — | Kansas City Royals | Kansas City Royals signed free agent OF Bryan Asencio to a minor league contract. |
| Jul 6, 2017 | Signed | William Jeffry | — | Texas Rangers | Texas Rangers signed OF William Jeffry. |
| Jul 6, 2017 | Signed as free agent | Richard Paz | — | Cleveland Guardians | Cleveland Indians signed free agent C Richard Paz to a minor league contract. |
| Jul 5, 2017 | Signed as free agent | Jose Romero | — | Milwaukee Brewers | Milwaukee Brewers signed free agent C Jose Romero to a minor league contract. |
| Jul 5, 2017 | Signed | Connor Seabold | — | Philadelphia Phillies | Philadelphia Phillies signed RHP Connor Seabold. |
| Jul 5, 2017 | Signed | David Parkinson | — | Philadelphia Phillies | Philadelphia Phillies signed LHP David Parkinson. |
| Jul 5, 2017 | Signed | Kyle Dohy | — | Philadelphia Phillies | Philadelphia Phillies signed LHP Kyle Dohy. |
| Jul 5, 2017 | Signed | Damon Jones | — | Philadelphia Phillies | Philadelphia Phillies signed LHP Damon Jones. |
| Jul 5, 2017 | Signed | Alex Faedo | — | Detroit Tigers | Detroit Tigers signed RHP Alex Faedo. |
| Jul 5, 2017 | Signed | Nick Choruby | — | Washington Nationals | Washington Nationals signed OF Nick Choruby. |
| Jul 5, 2017 | Trade | Jonathan Diaz | Toronto Blue Jays | New York Yankees | Toronto Blue Jays traded 2B Jonathan Diaz to New York Yankees. |
| Jul 5, 2017 | Signed as free agent | Francisco Rodríguez | — | Washington Nationals | Washington Nationals signed free agent RHP Francisco Rodriguez to a minor league contract. |
| Jul 5, 2017 | Signed as free agent | Seth Rosin | — | San Francisco Giants | San Francisco Giants signed free agent RHP Seth Rosin to a minor league contract. |
| Jul 5, 2017 | Signed | Raphael Gladu | — | New York Mets | New York Mets signed LF Raphael Gladu. |
| Jul 5, 2017 | Released | Chad Qualls | — | Colorado Rockies | Colorado Rockies released RHP Chad Qualls. |
| Jul 5, 2017 | Trade | Milton Ramos | New York Mets | Baltimore Orioles | New York Mets traded SS Milton Ramos to Baltimore Orioles for Future Considerations. |
| Jul 5, 2017 | Signed | Josh Rolette | — | Cleveland Guardians | Cleveland Indians signed C Joshua Rolette. |
| Jul 5, 2017 | Signed as free agent | Jean Garcia | — | Chicago Cubs | Chicago Cubs signed free agent RHP Jean Garcia to a minor league contract. |
| Jul 5, 2017 | Signed as free agent | Anyel Beato | — | Chicago Cubs | Chicago Cubs signed free agent RHP Anyel Beato to a minor league contract. |
| Jul 5, 2017 | Signed as free agent | Leandro Emiliani | — | Washington Nationals | Washington Nationals signed free agent OF Leandro Emiliani to a minor league contract. |
| Jul 5, 2017 | Signed as free agent | Jose Brito | — | Toronto Blue Jays | Toronto Blue Jays signed free agent RHP Jose Brito to a minor league contract. |
| Jul 5, 2017 | Signed as free agent | Nelfi Santos | — | Toronto Blue Jays | Toronto Blue Jays signed free agent LHP Nelfi Santos to a minor league contract. |
| Jul 5, 2017 | Signed as free agent | Jhoan Dominguez | — | Toronto Blue Jays | Toronto Blue Jays signed free agent LHP Jhoan Dominguez to a minor league contract. |
| Jul 5, 2017 | Signed | Michael Bono | — | Cincinnati Reds | Cincinnati Reds signed RHP Michael Bono. |
| Jul 5, 2017 | Signed as free agent | Junior J. Guzman | — | Toronto Blue Jays | Toronto Blue Jays signed free agent RHP Junior Guzman to a minor league contract. |
| Jul 5, 2017 | Signed as free agent | Christian Reyes | — | Toronto Blue Jays | Toronto Blue Jays signed free agent LHP Christian Reyes to a minor league contract. |
| Jul 5, 2017 | Signed as free agent | Eliezer Bello | — | Toronto Blue Jays | Toronto Blue Jays signed free agent RHP Eliezer Bello to a minor league contract. |
| Jul 5, 2017 | Signed as free agent | Carlos Irigoyen | — | Detroit Tigers | Detroit Tigers signed free agent SS Carlos Irigoyen to a minor league contract. |
| Jul 5, 2017 | Signed as free agent | Roybell Santodomingo | — | Tampa Bay Rays | Tampa Bay Rays signed free agent RHP Roybell Santodomingo to a minor league contract. |
| Jul 5, 2017 | Signed as free agent | Jose Reina | — | Detroit Tigers | Detroit Tigers signed free agent OF Jose Reina to a minor league contract. |
| Jul 5, 2017 | Signed as free agent | Rainer Nunez | — | Toronto Blue Jays | Toronto Blue Jays signed free agent SS Rainer Nunez to a minor league contract. |
| Jul 5, 2017 | Signed as free agent | Luis Villar | — | Kansas City Royals | Kansas City Royals signed free agent LHP Luis Villar to a minor league contract. |
| Jul 5, 2017 | Signed as free agent | Pedro Garcia | — | Detroit Tigers | Detroit Tigers signed free agent C Pedro Garcia to a minor league contract. |
| Jul 5, 2017 | Signed as free agent | Tristan Hansack | — | Washington Nationals | Washington Nationals signed free agent OF Tristan Hansack to a minor league contract. |
| Jul 5, 2017 | Signed as free agent | Jhean Flores | — | Miami Marlins | Miami Marlins signed free agent RHP Jhean Flores to a minor league contract. |
| Jul 5, 2017 | Signed as free agent | Adolfo Bauza | — | Detroit Tigers | Detroit Tigers signed free agent RHP Adolfo Bauza to a minor league contract. |
| Jul 5, 2017 | Signed as free agent | Antonio Dominguez | — | Detroit Tigers | Detroit Tigers signed free agent SS Antonio Dominguez to a minor league contract. |
| Jul 5, 2017 | Signed as free agent | Jean Carvajal | — | Kansas City Royals | Kansas City Royals signed free agent SS Jean Carvajal to a minor league contract. |
| Jul 5, 2017 | Signed as free agent | Leonardo Seminati | — | Cincinnati Reds | Cincinnati Reds signed free agent OF Leonardo Seminati to a minor league contract. |
| Jul 4, 2017 | Signed | Jake Holmes | — | Philadelphia Phillies | Philadelphia Phillies signed SS Jake Holmes. |
| Jul 4, 2017 | Signed | Quincy Nieporte | — | Philadelphia Phillies | Philadelphia Phillies signed 1B Quincy Nieporte. |
| Jul 4, 2017 | Signed | Alex Garcia | — | Philadelphia Phillies | Philadelphia Phillies signed RHP Alex Garcia. |
| Jul 4, 2017 | Signed as free agent | Hecduar Barcenas | — | Houston Astros | Houston Astros signed free agent RHP Hecduar Barcenas to a minor league contract. |
| Jul 4, 2017 | Signed | Mac Sceroler | — | Cincinnati Reds | Cincinnati Reds signed RHP Mac Sceroler. |
| Jul 4, 2017 | Signed as free agent | Mitchell Schulewitz | — | Kansas City Royals | Kansas City Royals signed free agent RHP Mitchell Schulewitz to a minor league contract. |
| Jul 4, 2017 | Released | Bartolo Colon | — | Atlanta Braves | Atlanta Braves released RHP Bartolo Colon. |
| Jul 4, 2017 | Signed | Brandon Bielak | — | Houston Astros | Houston Astros signed RHP Brandon Bielak. |
| Jul 4, 2017 | Signed | Jack Schneider | — | New York Mets | New York Mets signed RHP Jack Schneider. |
| Jul 4, 2017 | Signed as free agent | Francis Peguero | — | Cincinnati Reds | Cincinnati Reds signed free agent RHP Francis Peguero to a minor league contract. |
| Jul 4, 2017 | Signed as free agent | Jose Nava | — | Los Angeles Dodgers | Los Angeles Dodgers signed free agent 3B Jose Nava to a minor league contract. |
| Jul 4, 2017 | Signed as free agent | Andres Arrieta | — | Pittsburgh Pirates | Pittsburgh Pirates signed free agent RHP Andres Arrieta to a minor league contract. |
| Jul 4, 2017 | Signed as free agent | Yandy Vega | — | Pittsburgh Pirates | Pittsburgh Pirates signed free agent RHP Yandy Vega to a minor league contract. |
| Jul 4, 2017 | Signed as free agent | Hugo Beltran | — | Los Angeles Dodgers | Los Angeles Dodgers signed free agent RHP Hugo Beltran to a minor league contract. |
| Jul 4, 2017 | Signed as free agent | Hector Vizcaino | — | Baltimore Orioles | Baltimore Orioles signed free agent SS Hector Vizcaino to a minor league contract. |
| Jul 4, 2017 | Signed as free agent | Jorbit Vivas | — | Los Angeles Dodgers | Los Angeles Dodgers signed free agent 2B Jorbit Vivas to a minor league contract. |
| Jul 4, 2017 | Signed as free agent | Yhostin Chirinos | — | Los Angeles Dodgers | Los Angeles Dodgers signed free agent SS Yhostin Chirinos to a minor league contract. |
| Jul 4, 2017 | Signed as free agent | William Gonzalez | — | Toronto Blue Jays | Toronto Blue Jays signed free agent RHP William Gonzalez to a minor league contract. |
| Jul 4, 2017 | Signed as free agent | Luisenyer Perez | — | Los Angeles Dodgers | Los Angeles Dodgers signed free agent LHP Luisenyer Perez to a minor league contract. |
| Jul 4, 2017 | Signed as free agent | Junior Perez | — | San Diego Padres | San Diego Padres signed free agent OF Junior Perez to a minor league contract. |
| Jul 4, 2017 | Signed as free agent | Leoner Colina | — | Milwaukee Brewers | Milwaukee Brewers signed free agent RHP Leoner Colina to a minor league contract. |
| Jul 4, 2017 | Signed as free agent | Andres Noriega | — | Los Angeles Dodgers | Los Angeles Dodgers signed free agent C Andres Noriega to a minor league contract. |
| Jul 4, 2017 | Signed as free agent | Sergio Carrizoza | — | San Diego Padres | San Diego Padres signed free agent RHP Sergio Carrizoza to a minor league contract. |
| Jul 4, 2017 | Signed as free agent | Marshall Cantillo | — | Athletics | Oakland Athletics signed free agent OF Marshall Cantillo to a minor league contract. |
| Jul 4, 2017 | Signed as free agent | Edgar Martinez | — | San Diego Padres | San Diego Padres signed free agent RHP Edgar Martinez to a minor league contract. |
| Jul 4, 2017 | Signed as free agent | Jenderson Jardines | — | Los Angeles Dodgers | Los Angeles Dodgers signed free agent C Jenderson Jardines to a minor league contract. |
| Jul 4, 2017 | Signed as free agent | Junior Matias | — | Kansas City Royals | Kansas City Royals signed free agent C Junior Matias to a minor league contract. |
| Jul 4, 2017 | Signed as free agent | Jose Peralta | — | San Francisco Giants | San Francisco Giants signed free agent SS Jose Peralta to a minor league contract. |
| Jul 4, 2017 | Signed as free agent | Francisco Palma | — | Colorado Rockies | Colorado Rockies signed free agent OF Francisco Palma to a minor league contract. |
| Jul 4, 2017 | Signed as free agent | Harold Galindo | — | Los Angeles Dodgers | Los Angeles Dodgers signed free agent RHP Harold Galindo to a minor league contract. |
| Jul 4, 2017 | Signed as free agent | Luis Oviedo | — | Detroit Tigers | Detroit Tigers signed free agent OF Luis Oviedo to a minor league contract. |
| Jul 4, 2017 | Signed as free agent | Alejandro Fernandez | — | Los Angeles Dodgers | Los Angeles Dodgers signed free agent C Alejandro Fernandez to a minor league contract. |
| Jul 4, 2017 | Signed as free agent | Luis Cepeda | — | Kansas City Royals | Kansas City Royals signed free agent LHP Luis Cepeda to a minor league contract. |
| Jul 4, 2017 | Signed as free agent | Jose Ballista | — | Kansas City Royals | Kansas City Royals signed free agent RHP Jose Ballista to a minor league contract. |
| Jul 4, 2017 | Signed as free agent | Enmanuel Pire | — | Kansas City Royals | Kansas City Royals signed free agent C Enmanuel Pire to a minor league contract. |
| Jul 4, 2017 | Signed as free agent | Jorge Hernandez | — | Los Angeles Dodgers | Los Angeles Dodgers signed free agent SS Jorge Hernandez to a minor league contract. |
| Jul 4, 2017 | Signed as free agent | Enrique Valdez | — | Kansas City Royals | Kansas City Royals signed free agent SS Enrique Valdez to a minor league contract. |
| Jul 4, 2017 | Signed as free agent | Victor Castaneda | — | Milwaukee Brewers | Milwaukee Brewers signed free agent RHP Victor Castaneda to a minor league contract. |
| Jul 3, 2017 | Signed | Dalton Higgins | — | New York Yankees | New York Yankees signed RHP Dalton Higgins. |
| Jul 3, 2017 | Trade | James Lovett | Philadelphia Phillies | Seattle Mariners | Philadelphia Phillies traded IF James Lovett to Seattle Mariners. |
| Jul 3, 2017 | Trade | Unnamed | Chicago Cubs | Toronto Blue Jays | Chicago Cubs traded Player To Be Named Later to Toronto Blue Jays. |
| Jul 3, 2017 | Signed as free agent | Ryan Jackson | — | Washington Nationals | Washington Nationals signed free agent SS Ryan Jackson to a minor league contract. |
| Jul 3, 2017 | Signed | Mason Martin | — | Pittsburgh Pirates | Pittsburgh Pirates signed OF Mason Martin. |
| Jul 3, 2017 | Signed | David Lee | — | Pittsburgh Pirates | Pittsburgh Pirates signed RHP David Lee. |
| Jul 3, 2017 | Trade | Miguel Montero | Chicago Cubs | Toronto Blue Jays | Chicago Cubs traded C Miguel Montero to Toronto Blue Jays for Player To Be Named Later. |
| Jul 3, 2017 | Trade | Tyler Herb | Seattle Mariners | San Francisco Giants | Seattle Mariners traded RHP Tyler Herb to San Francisco Giants for cash. |
| Jul 3, 2017 | Signed as free agent | Ryan Merrill | — | Washington Nationals | Washington Nationals signed free agent SS Ryan Merrill to a minor league contract. |
| Jul 3, 2017 | Signed as free agent | Cleuluis Rondon | — | Miami Marlins | Miami Marlins signed free agent SS Cleuluis Rondon to a minor league contract. |
| Jul 3, 2017 | Signed | Mike Baumann | — | Baltimore Orioles | Baltimore Orioles signed RHP Michael Baumann. |
| Jul 3, 2017 | Signed as free agent | Unnamed | — | New York Yankees | New York Yankees signed free agent 2B David Metzgar to a minor league contract. |
| Jul 3, 2017 | Signed as free agent | Tyler Zombro | — | Tampa Bay Rays | Tampa Bay Rays signed free agent RHP Tyler Zombro to a minor league contract. |
| Jul 3, 2017 | Signed | Brady Miller | — | Chicago Cubs | Chicago Cubs signed RHP Brady Miller. |
| Jul 3, 2017 | Signed as free agent | David Metzgar | — | New York Yankees | New York Yankees signed free agent 2B David Metzgar to a minor league contract. |
| Jul 3, 2017 | Signed as free agent | Jesus Valdez | — | Los Angeles Dodgers | Los Angeles Dodgers signed free agent 2B Jesus Valdez to a minor league contract. |
| Jul 3, 2017 | Signed as free agent | Robinson Ramos | — | Pittsburgh Pirates | Pittsburgh Pirates signed free agent C Robinson Ramos to a minor league contract. |
| Jul 3, 2017 | Signed as free agent | Eddy Vargas | — | Pittsburgh Pirates | Pittsburgh Pirates signed free agent LHP Eddy Vargas to a minor league contract. |
| Jul 3, 2017 | Signed as free agent | Juan Henriquez | — | Pittsburgh Pirates | Pittsburgh Pirates signed free agent RHP Juan Henriquez to a minor league contract. |
| Jul 3, 2017 | Signed as free agent | Bryan Mateo | — | Pittsburgh Pirates | Pittsburgh Pirates signed free agent OF Bryan Mateo to a minor league contract. |
| Jul 3, 2017 | Signed as free agent | Jose Maldonado | — | Pittsburgh Pirates | Pittsburgh Pirates signed free agent RHP Jose Maldonado to a minor league contract. |
| Jul 3, 2017 | Signed as free agent | Jose Guevara | — | Minnesota Twins | Minnesota Twins signed free agent RHP Jose Guevara to a minor league contract. |
| Jul 3, 2017 | Signed as free agent | Miguel Rodriguez | — | Minnesota Twins | Minnesota Twins signed free agent RHP Miguel Rodriguez to a minor league contract. |
| Jul 3, 2017 | Signed as free agent | Joseivin Medina | — | Pittsburgh Pirates | Pittsburgh Pirates signed free agent OF Joseivin Medina to a minor league contract. |
| Jul 3, 2017 | Signed as free agent | Andrew Budier | — | Los Angeles Dodgers | Los Angeles Dodgers signed free agent LHP Andrew Budier to a minor league contract. |
| Jul 3, 2017 | Signed as free agent | Julio Enrique | — | Los Angeles Dodgers | Los Angeles Dodgers signed free agent OF Julio Enrique to a minor league contract. |
| Jul 3, 2017 | Signed as free agent | Omar Cruz | — | San Diego Padres | San Diego Padres signed free agent LHP Omar Cruz to a minor league contract. |
| Jul 3, 2017 | Signed as free agent | Jose Ortega | — | Cincinnati Reds | Cincinnati Reds signed free agent RHP Jose Ortega to a minor league contract. |
| Jul 3, 2017 | Signed as free agent | Frank Valera | — | Miami Marlins | Miami Marlins signed free agent RHP Frank Valera to a minor league contract. |
| Jul 3, 2017 | Signed as free agent | Jeffry Abreu | — | Los Angeles Dodgers | Los Angeles Dodgers signed free agent RHP Jeffry Abreu to a minor league contract. |
| Jul 3, 2017 | Signed as free agent | Jose Salvador | — | Cincinnati Reds | Cincinnati Reds signed free agent LHP Jose Salvador to a minor league contract. |
| Jul 3, 2017 | Signed as free agent | Juan Mena | — | Pittsburgh Pirates | Pittsburgh Pirates signed free agent C Juan Mena to a minor league contract. |
| Jul 3, 2017 | Signed as free agent | Zamil Castillo | — | Cincinnati Reds | Cincinnati Reds signed free agent LHP Zamil Castillo to a minor league contract. |
| Jul 3, 2017 | Signed as free agent | Allan Beltre | — | Cincinnati Reds | Cincinnati Reds signed free agent RHP Allan Beltre to a minor league contract. |
| Jul 3, 2017 | Signed as free agent | Valente Bellozo | — | Houston Astros | Houston Astros signed free agent RHP Valente Bellozo to a minor league contract. |
| Jul 3, 2017 | Signed as free agent | Edangel Tovar | — | Washington Nationals | Washington Nationals signed free agent OF Edangel Tovar to a minor league contract. |
| Jul 3, 2017 | Signed as free agent | Danny Moreno | — | Minnesota Twins | Minnesota Twins signed free agent RHP Danny Moreno to a minor league contract. |
| Jul 3, 2017 | Signed as free agent | Ronier Lascarro | — | Texas Rangers | Texas Rangers signed free agent OF Ronier Lascarro to a minor league contract. |
| Jul 3, 2017 | Signed as free agent | Hansen Lopez | — | Athletics | Oakland Athletics signed free agent C Hansen Lopez to a minor league contract. |
| Jul 3, 2017 | Signed as free agent | Jose Amaya | — | Pittsburgh Pirates | Pittsburgh Pirates signed free agent LHP Jose Amaya to a minor league contract. |
| Jul 3, 2017 | Signed as free agent | Ricardo Toro | — | Houston Astros | Houston Astros signed free agent C Ricardo Toro to a minor league contract. |
| Jul 3, 2017 | Signed as free agent | Bryan Caceres | — | Washington Nationals | Washington Nationals signed free agent RHP Bryan Caceres to a minor league contract. |
| Jul 3, 2017 | Signed as free agent | Geykler Davila | — | Athletics | Oakland Athletics signed free agent C Geykler Davila to a minor league contract. |
| Jul 3, 2017 | Signed as free agent | Darlin Camilo | — | Los Angeles Dodgers | Los Angeles Dodgers signed free agent RHP Darlin Camilo to a minor league contract. |
| Jul 3, 2017 | Signed as free agent | Derwin Barreto | — | Texas Rangers | Texas Rangers signed free agent SS Derwin Barreto to a minor league contract. |
| Jul 3, 2017 | Signed as free agent | Daniel Hernandez | — | Washington Nationals | Washington Nationals signed free agent 2B Daniel Hernandez to a minor league contract. |
| Jul 3, 2017 | Signed as free agent | Shendrik Apostel | — | Pittsburgh Pirates | Pittsburgh Pirates signed free agent 1B Shendrik Apostel to a minor league contract. |
| Jul 3, 2017 | Signed as free agent | Jimmie Feliz | — | Los Angeles Dodgers | Los Angeles Dodgers signed free agent OF Jimmie Feliz to a minor league contract. |
| Jul 3, 2017 | Signed as free agent | Randy Romero | — | Pittsburgh Pirates | Pittsburgh Pirates signed free agent OF Randy Romero to a minor league contract. |
| Jul 3, 2017 | Signed as free agent | Daniel Rivero | — | Pittsburgh Pirates | Pittsburgh Pirates signed free agent OF Daniel Rivero to a minor league contract. |
| Jul 3, 2017 | Signed as free agent | Karlo Seijas | — | Washington Nationals | Washington Nationals signed free agent RHP Karlo Seijas to a minor league contract. |
| Jul 3, 2017 | Signed as free agent | Brayan Rodriguez | — | Los Angeles Dodgers | Los Angeles Dodgers signed free agent OF Brayan Rodriguez to a minor league contract. |
| Jul 3, 2017 | Signed as free agent | Randy Florentino | — | Texas Rangers | Texas Rangers signed free agent C Randy Florentino to a minor league contract. |
| Jul 3, 2017 | Signed as free agent | Edwin Rojas | — | Athletics | Oakland Athletics signed free agent RHP Edwin Rojas to a minor league contract. |
| Jul 3, 2017 | Signed as free agent | Luis Tejada | — | Cincinnati Reds | Cincinnati Reds signed free agent SS Luis Tejada to a minor league contract. |
| Jul 3, 2017 | Signed as free agent | Juan Pie | — | Pittsburgh Pirates | Pittsburgh Pirates signed free agent OF Juan Pie to a minor league contract. |
| Jul 3, 2017 | Signed as free agent | Edgardo Rodriguez | — | Tampa Bay Rays | Tampa Bay Rays signed free agent C Edgardo Rodriguez to a minor league contract. |
| Jul 3, 2017 | Signed as free agent | Angel Sosa | — | Boston Red Sox | Boston Red Sox signed free agent RHP Angel Sosa to a minor league contract. |
| Jul 3, 2017 | Signed as free agent | Jose Andujar | — | Minnesota Twins | Minnesota Twins signed free agent OF Jose Andujar to a minor league contract. |
| Jul 3, 2017 | Signed as free agent | Yoneiry Acevedo | — | Detroit Tigers | Detroit Tigers signed free agent SS Yoneiry Acevedo to a minor league contract. |
| Jul 3, 2017 | Signed as free agent | Jose Pastrano | — | Athletics | Oakland Athletics signed free agent SS Jose Pastrano to a minor league contract. |
| Jul 3, 2017 | Signed as free agent | Jorge Hurtado | — | Washington Nationals | Washington Nationals signed free agent OF Jorge Hurtado to a minor league contract. |
| Jul 3, 2017 | Signed as free agent | Gerard Ramos | — | Colorado Rockies | Colorado Rockies signed free agent OF Gerard Ramos to a minor league contract. |
| Jul 3, 2017 | Signed as free agent | Carlos Leandro | — | Athletics | Oakland Athletics signed free agent LHP Carlos Leandro to a minor league contract. |
| Jul 3, 2017 | Signed as free agent | Eynar Machin | — | Los Angeles Dodgers | Los Angeles Dodgers signed free agent SS Eynar Machin to a minor league contract. |
| Jul 3, 2017 | Signed as free agent | Jim Caceres | — | Minnesota Twins | Minnesota Twins signed free agent SS Jim Caceres to a minor league contract. |
| Jul 3, 2017 | Signed as free agent | Anthony Escobar | — | Minnesota Twins | Minnesota Twins signed free agent RHP Anthony Escobar to a minor league contract. |
| Jul 3, 2017 | Signed as free agent | Axel Acevedo | — | Los Angeles Dodgers | Los Angeles Dodgers signed free agent RHP Axel Acevedo to a minor league contract. |
| Jul 3, 2017 | Signed as free agent | Charls Jameson | — | Washington Nationals | Washington Nationals signed free agent RHP Charls Jameson to a minor league contract. |
| Jul 3, 2017 | Signed as free agent | Yordin Mateo | — | Minnesota Twins | Minnesota Twins signed free agent RHP Yordin Mateo to a minor league contract. |
| Jul 3, 2017 | Signed as free agent | Jonneyder Izarra | — | Texas Rangers | Texas Rangers signed free agent LHP Jonneyder Izarra to a minor league contract. |
| Jul 3, 2017 | Signed as free agent | Victor Mascai | — | Houston Astros | Houston Astros signed free agent OF Victor Mascai to a minor league contract. |
| Jul 3, 2017 | Signed as free agent | Emilson Rosado | — | Pittsburgh Pirates | Pittsburgh Pirates signed free agent 3B Emilson Rosado to a minor league contract. |
| Jul 3, 2017 | Signed as free agent | Cristofer Cruz | — | Philadelphia Phillies | Philadelphia Phillies signed free agent RHP Cristofer Cruz to a minor league contract. |
| Jul 3, 2017 | Signed as free agent | Ronny Henriquez | — | Texas Rangers | Texas Rangers signed free agent RHP Ronny Henriquez to a minor league contract. |
| Jul 3, 2017 | Signed as free agent | Mario Garcia | — | Pittsburgh Pirates | Pittsburgh Pirates signed free agent RHP Mario Garcia to a minor league contract. |
| Jul 3, 2017 | Signed as free agent | Yoelvis Reyes | — | Pittsburgh Pirates | Pittsburgh Pirates signed free agent LHP Yoelvis Reyes to a minor league contract. |
| Jul 3, 2017 | Signed as free agent | Freddy Puerta | — | Texas Rangers | Texas Rangers signed free agent C Freddy Puerta to a minor league contract. |
| Jul 3, 2017 | Signed as free agent | Victor Gomez | — | Los Angeles Angels | Los Angeles Angels signed free agent RHP Victor Gomez to a minor league contract. |
| Jul 3, 2017 | Signed as free agent | Gorge Heredia | — | Los Angeles Dodgers | Los Angeles Dodgers signed free agent OF Gorge Heredia to a minor league contract. |
| Jul 3, 2017 | Signed as free agent | Anyelo George | — | Texas Rangers | Texas Rangers signed free agent SS Anyelo George to a minor league contract. |
| Jul 3, 2017 | Signed as free agent | Wilfri Castro | — | Minnesota Twins | Minnesota Twins signed free agent C Wilfri Castro to a minor league contract. |
| Jul 3, 2017 | Signed as free agent | Yelinson Pena | — | Minnesota Twins | Minnesota Twins signed free agent SS Yelinson Pena to a minor league contract. |
| Jul 3, 2017 | Signed as free agent | Gabriel Delgado | — | Athletics | Oakland Athletics signed free agent RHP Gabriel Delgado to a minor league contract. |
| Jul 3, 2017 | Signed as free agent | Franklin Pinto | — | Houston Astros | Houston Astros signed free agent OF Franklin Pinto to a minor league contract. |
| Jul 3, 2017 | Signed as free agent | Eddys Leonard | — | Los Angeles Dodgers | Los Angeles Dodgers signed free agent SS Eddys Leonard to a minor league contract. |
| Jul 3, 2017 | Signed as free agent | Angel Basabe | — | Pittsburgh Pirates | Pittsburgh Pirates signed free agent OF Angel Basabe to a minor league contract. |
| Jul 3, 2017 | Signed as free agent | Jose Mujica | — | Athletics | Oakland Athletics signed free agent C Jose Mujica to a minor league contract. |
| Jul 3, 2017 | Signed as free agent | Arlinthon De Dios | — | Pittsburgh Pirates | Pittsburgh Pirates signed free agent RHP Arlinthon De Dios to a minor league contract. |
| Jul 3, 2017 | Signed as free agent | Davonn Mackey | — | Athletics | Oakland Athletics signed free agent OF Davonn Mackey to a minor league contract. |
| Jul 3, 2017 | Signed as free agent | Kevin Nivar | — | Detroit Tigers | Detroit Tigers signed free agent SS Kevin Nivar to a minor league contract. |
| Jul 3, 2017 | Signed as free agent | Luis Peralta | — | Pittsburgh Pirates | Pittsburgh Pirates signed free agent LHP Luis Peralta to a minor league contract. |
| Jul 3, 2017 | Signed as free agent | Yeison Santos | — | Pittsburgh Pirates | Pittsburgh Pirates signed free agent LHP Yeison Santos to a minor league contract. |
| Jul 3, 2017 | Signed as free agent | Yolby Guzman | — | Minnesota Twins | Minnesota Twins signed free agent RHP Yolby Guzman to a minor league contract. |
| Jul 3, 2017 | Signed as free agent | Benony Robles | — | Los Angeles Dodgers | Los Angeles Dodgers signed free agent LHP Benony Robles to a minor league contract. |
| Jul 3, 2017 | Signed as free agent | Norkis Marcos | — | Pittsburgh Pirates | Pittsburgh Pirates signed free agent SS Norkis Marcos to a minor league contract. |
| Jul 3, 2017 | Signed as free agent | Nixson Munoz | — | Boston Red Sox | Boston Red Sox signed free agent LHP Nixson Munoz to a minor league contract. |
| Jul 3, 2017 | Signed as free agent | Anthony Felipe | — | Miami Marlins | Miami Marlins signed free agent OF Anthony Felipe to a minor league contract. |
| Jul 3, 2017 | Signed as free agent | Olivber Moreno | — | Kansas City Royals | Kansas City Royals signed free agent OF Olivber Moreno to a minor league contract. |
| Jul 3, 2017 | Signed as free agent | Mayron Cathalina | — | Los Angeles Dodgers | Los Angeles Dodgers signed free agent OF Mayron Cathalina to a minor league contract. |
| Jul 3, 2017 | Signed as free agent | Jose Rodriguez | — | Detroit Tigers | Detroit Tigers signed free agent OF Jose Rodriguez to a minor league contract. |
| Jul 3, 2017 | Signed as free agent | Jandel Paulino | — | Miami Marlins | Miami Marlins signed free agent OF Jandel Paulino to a minor league contract. |
| Jul 3, 2017 | Signed as free agent | Vladimir Perez | — | Los Angeles Dodgers | Los Angeles Dodgers signed free agent SS Vladimir Perez to a minor league contract. |
| Jul 3, 2017 | Signed as free agent | Bryan Torres | — | Pittsburgh Pirates | Pittsburgh Pirates signed free agent RHP Bryan Torres to a minor league contract. |
| Jul 3, 2017 | Signed as free agent | Alberto Figuereo | — | Tampa Bay Rays | Tampa Bay Rays signed free agent SS Alberto Figuereo to a minor league contract. |
| Jul 3, 2017 | Signed as free agent | Gregori Custodio | — | Pittsburgh Pirates | Pittsburgh Pirates signed free agent SS Gregori Custodio to a minor league contract. |
| Jul 3, 2017 | Signed as free agent | Jommer Hernandez | — | Pittsburgh Pirates | Pittsburgh Pirates signed free agent C Jommer Hernandez to a minor league contract. |
| Jul 3, 2017 | Signed as free agent | Carlos De Los Santos | — | Los Angeles Dodgers | Los Angeles Dodgers signed free agent RHP Carlos De Los Santos to a minor league contract. |
| Jul 3, 2017 | Signed as free agent | Maicor Leon | — | Tampa Bay Rays | Tampa Bay Rays signed free agent LHP Maicor Leon to a minor league contract. |
| Jul 3, 2017 | Signed as free agent | Jeisson Cabrera | — | Los Angeles Dodgers | Los Angeles Dodgers signed free agent RHP Jeisson Cabrera to a minor league contract. |
| Jul 3, 2017 | Signed as free agent | Tom Colletti | — | San Diego Padres | San Diego Padres signed free agent RHP Tom Colletti to a minor league contract. |
| Jul 2, 2017 | Trade | Nick Longhi | Boston Red Sox | Cincinnati Reds | Boston Red Sox traded 1B Nick Longhi to Cincinnati Reds for Future Considerations. |
| Jul 2, 2017 | Signed | Kramer Robertson | — | St. Louis Cardinals | St. Louis Cardinals signed 2B Kramer Robertson. |
| Jul 2, 2017 | Signed | Wilberto Rivera | — | St. Louis Cardinals | St. Louis Cardinals signed RHP Wilberto Rivera. |
| Jul 2, 2017 | Signed | Donivan Williams | — | St. Louis Cardinals | St. Louis Cardinals signed 3B Donivan Williams. |
| Jul 2, 2017 | Trade | Stanley Espinal | Boston Red Sox | St. Louis Cardinals | Boston Red Sox traded SS Imeldo Diaz and 3B Stanley Espinal to St. Louis Cardinals for Other Considerations. |
| Jul 2, 2017 | Trade | Lane Thomas | Toronto Blue Jays | St. Louis Cardinals | Toronto Blue Jays traded CF Lane Thomas to St. Louis Cardinals for Other Considerations. |
| Jul 2, 2017 | Trade | Jason Grilli | Toronto Blue Jays | Texas Rangers | Toronto Blue Jays traded cash and RHP Jason Grilli to Texas Rangers for OF Eduard Pinto. |
| Jul 2, 2017 | Signed as free agent | Wander Franco | — | Tampa Bay Rays | Tampa Bay Rays signed free agent SS Wander Franco to a minor league contract. |
| Jul 2, 2017 | Signed as free agent | Hemmanuel Rosario | — | New York Yankees | New York Yankees signed free agent C Hemmanuel Rosario to a minor league contract. |
| Jul 2, 2017 | Signed as free agent | Jefferson Mendoza | — | Chicago White Sox | Chicago White Sox signed free agent C Jefferson Mendoza to a minor league contract. |
| Jul 2, 2017 | Signed as free agent | Kristian Robinson | — | Arizona Diamondbacks | Arizona Diamondbacks signed free agent OF Kristian Robinson to a minor league contract. |
| Jul 2, 2017 | Trade | Matt Wotherspoon | New York Yankees | Baltimore Orioles | New York Yankees traded RHP Matt Wotherspoon to Baltimore Orioles for Future Considerations. |
| Jul 2, 2017 | Trade | Jason Wheeler | Los Angeles Dodgers | Baltimore Orioles | Los Angeles Dodgers traded LHP Jason Wheeler to Baltimore Orioles for Future Considerations. |
| Jul 2, 2017 | Signed as free agent | Asmin Bautista | — | Atlanta Braves | Atlanta Braves signed free agent OF Asmin Bautista to a minor league contract. |
| Jul 2, 2017 | Signed as free agent | Daniel Flores | — | Boston Red Sox | Boston Red Sox signed free agent C Daniel Flores to a minor league contract. |
| Jul 2, 2017 | Signed as free agent | Sidney Pimentel | — | Chicago White Sox | Chicago White Sox signed free agent SS Sydney Pimentel to a minor league contract. |
| Jul 2, 2017 | Signed as free agent | George Valera | — | Cleveland Guardians | Cleveland Indians signed free agent OF George Valera to a minor league contract. |
| Jul 2, 2017 | Signed as free agent | Aaron Bracho | — | Cleveland Guardians | Cleveland Indians signed free agent SS Aaron Bracho to a minor league contract. |
| Jul 2, 2017 | Signed | Andre Jackson | — | Los Angeles Dodgers | Los Angeles Dodgers signed RHP Andre Jackson. |
| Jul 2, 2017 | Signed | Wills Montgomerie | — | Los Angeles Dodgers | Los Angeles Dodgers signed RHP Wills Montgomerie. |
| Jul 2, 2017 | Signed | Riley Ottesen | — | Los Angeles Dodgers | Los Angeles Dodgers signed RHP Riley Ottesen. |
| Jul 2, 2017 | Signed as free agent | Fadriel Cruz | — | Colorado Rockies | Colorado Rockies signed free agent SS Fadriel Cruz to a minor league contract. |
| Jul 2, 2017 | Signed as free agent | Alvaro Gonzalez | — | Detroit Tigers | Detroit Tigers signed free agent SS Alvaro Gonzalez to a minor league contract. |
| Jul 2, 2017 | Signed as free agent | Heitor Tokar | — | Houston Astros | Houston Astros signed free agent RHP Heitor Tokar to a minor league contract. |
| Jul 2, 2017 | Signed as free agent | Frank Herrera | — | Kansas City Royals | Kansas City Royals signed free agent SS Frank Herrera to a minor league contract. |
| Jul 2, 2017 | Signed as free agent | Trent Deveaux | — | Los Angeles Angels | Los Angeles Angels signed free agent CF Trent Deveaux to a minor league contract. |
| Jul 2, 2017 | Signed as free agent | Amin Valdez | — | Los Angeles Dodgers | Los Angeles Dodgers signed free agent SS Amin Valdez to a minor league contract. |
| Jul 2, 2017 | Signed as free agent | Ynmanol Mariñez | — | Miami Marlins | Miami Marlins signed free agent SS Ynmanol Marinez to a minor league contract. |
| Jul 2, 2017 | Signed as free agent | Carlos Rodríguez | — | Milwaukee Brewers | Milwaukee Brewers signed free agent CF Carlos Rodriguez to a minor league contract. |
| Jul 2, 2017 | Signed as free agent | Julio Machado | — | Miami Marlins | Miami Marlins signed free agent SS Julio Machado to a minor league contract. |
| Jul 2, 2017 | Signed as free agent | Cesar Idrogo | — | Cleveland Guardians | Cleveland Indians signed free agent C Cesar Idrogo to a minor league contract. |
| Jul 2, 2017 | Signed as free agent | Jonathan Chinchilla | — | Miami Marlins | Miami Marlins signed free agent C Jonathan Chinchilla to a minor league contract. |
| Jul 2, 2017 | Signed as free agent | Marlin Made | — | Cleveland Guardians | Cleveland Indians signed free agent OF Marlin Made to a minor league contract. |
| Jul 2, 2017 | Signed | Quentin Holmes | — | Cleveland Guardians | Cleveland Indians signed CF Quentin Holmes. |
| Jul 2, 2017 | Signed as free agent | Wilfri Peralta | — | Cleveland Guardians | Cleveland Indians signed free agent SS Wilfri Peralta to a minor league contract. |
| Jul 2, 2017 | Signed as free agent | Zaquiel Puentes | — | Miami Marlins | Miami Marlins signed free agent RHP Zaquiel Puentes to a minor league contract. |
| Jul 2, 2017 | Signed as free agent | Jhonaiker Osorio | — | Miami Marlins | Miami Marlins signed free agent C Jhonaiker Osori to a minor league contract. |
| Jul 2, 2017 | Signed as free agent | Brayan Rocchio | — | Cleveland Guardians | Cleveland Indians signed free agent SS Brayan Rocchio to a minor league contract. |
| Jul 2, 2017 | Signed as free agent | José Tena | — | Cleveland Guardians | Cleveland Indians signed free agent SS Jose Tena to a minor league contract. |
| Jul 2, 2017 | Signed as free agent | Adonis Giron | — | Miami Marlins | Miami Marlins signed free agent OF Adonis Giron to a minor league contract. |
| Jul 2, 2017 | Signed as free agent | Eric Pardinho | — | Toronto Blue Jays | Toronto Blue Jays signed free agent RHP Eric Pardinho to a minor league contract. |
| Jul 2, 2017 | Signed as free agent | Delvis Alegre | — | Miami Marlins | Miami Marlins signed free agent P Delvis Alegre to a minor league contract. |
| Jul 2, 2017 | Signed as free agent | Jelfry Marte | — | Minnesota Twins | Minnesota Twins signed free agent SS Jelfry Marte to a minor league contract. |
| Jul 2, 2017 | Signed as free agent | Everson Pereira | — | New York Yankees | New York Yankees signed free agent OF Everson Pereira to a minor league contract. |
| Jul 2, 2017 | Signed as free agent | Luis García | — | Philadelphia Phillies | Philadelphia Phillies signed free agent SS Luis Garcia to a minor league contract. |
| Jul 2, 2017 | Signed as free agent | Ronny Mauricio | — | New York Mets | New York Mets signed free agent SS Ronny Mauricio to a minor league contract. |
| Jul 2, 2017 | Signed as free agent | Danny Diaz | — | Boston Red Sox | Boston Red Sox signed free agent 3B Danny Diaz to a minor league contract. |
| Jul 2, 2017 | Signed as free agent | Roberto Chirinos | — | New York Yankees | New York Yankees signed free agent SS Roberto Chirinos to a minor league contract. |
| Jul 2, 2017 | Signed as free agent | Larry Ernesto | — | Milwaukee Brewers | Milwaukee Brewers signed free agent OF Larry Ernesto to a minor league contract. |
| Jul 2, 2017 | Signed as free agent | Miguel Hiraldo | — | Toronto Blue Jays | Toronto Blue Jays signed free agent 3B Miguel Hiraldo to a minor league contract. |
| Jul 2, 2017 | Signed as free agent | Adrian Hernandez | — | New York Mets | New York Mets signed free agent OF Adrian Hernandez to a minor league contract. |
| Jul 2, 2017 | Signed as free agent | Keyber Rodriguez | — | Texas Rangers | Texas Rangers signed free agent SS Keyber Rodriguez to a minor league contract. |
| Jul 2, 2017 | Signed as free agent | Antoni Flores | — | Boston Red Sox | Boston Red Sox signed free agent SS Antoni Flores to a minor league contract. |
| Jul 2, 2017 | Signed as free agent | Juan Querecuto | — | Seattle Mariners | Seattle Mariners signed free agent SS Juan Querecuto to a minor league contract. |
| Jul 2, 2017 | Signed as free agent | Damian Mendoza | — | Texas Rangers | Texas Rangers signed free agent RHP Damian Mendoza to a minor league contract. |
| Jul 2, 2017 | Signed as free agent | Luis Verdugo | — | Chicago Cubs | Chicago Cubs signed free agent SS Luis Verdugo to a minor league contract. |
| Jul 2, 2017 | Signed as free agent | D'Shawn Knowles | — | Los Angeles Angels | Los Angeles Angels signed free agent OF D'Shawn Knowles to a minor league contract. |
| Jul 2, 2017 | Signed as free agent | Jose Reyes | — | Los Angeles Angels | Los Angeles Angels signed free agent OF Jose Reyes to a minor league contract. |
| Jul 2, 2017 | Signed as free agent | Raider Uceta | — | Los Angeles Angels | Los Angeles Angels signed free agent OF Raider Uceta to a minor league contract. |
| Jul 2, 2017 | Signed as free agent | Jose M. Rodriguez | — | Los Angeles Angels | Los Angeles Angels signed free agent RHP Jose Rodriguez to a minor league contract. |
| Jul 2, 2017 | Signed as free agent | Sadrac Franco | — | Los Angeles Angels | Los Angeles Angels signed free agent RHP Sadrac Franco to a minor league contract. |
| Jul 2, 2017 | Signed as free agent | Jean Carlos Lucas | — | Los Angeles Angels | Los Angeles Angels signed free agent RHP Jean Lucas to a minor league contract. |
| Jul 2, 2017 | Trade | Tyler Frohwirth | Philadelphia Phillies | Baltimore Orioles | Philadelphia Phillies traded RHP Tyler Frohwirth to Baltimore Orioles. |
| Jul 2, 2017 | Signed as free agent | Adanson Cruz | — | St. Louis Cardinals | St. Louis Cardinals signed free agent OF Adanson Cruz to a minor league contract. |
| Jul 2, 2017 | Signed as free agent | Joerlin De Los Santos | — | St. Louis Cardinals | St. Louis Cardinals signed free agent OF Joerlin De Los Santos to a minor league contract. |
| Jul 2, 2017 | Signed as free agent | Sander Mora | — | St. Louis Cardinals | St. Louis Cardinals signed free agent SS Sander Mora to a minor league contract. |
| Jul 2, 2017 | Signed as free agent | Jesus Orecchia | — | St. Louis Cardinals | St. Louis Cardinals signed free agent C Jesus Orecchia to a minor league contract. |
| Jul 2, 2017 | Signed as free agent | Leudy Pena | — | St. Louis Cardinals | St. Louis Cardinals signed free agent OF Leudy Pena to a minor league contract. |
| Jul 2, 2017 | Signed as free agent | Gustavo A. Rodriguez | — | St. Louis Cardinals | St. Louis Cardinals signed free agent OF Gustavo Rodriguez to a minor league contract. |
| Jul 2, 2017 | Signed as free agent | Jose Zapata | — | St. Louis Cardinals | St. Louis Cardinals signed free agent C Jose Zapata to a minor league contract. |
| Jul 2, 2017 | Signed as free agent | Luis Rodriguez | — | St. Louis Cardinals | St. Louis Cardinals signed free agent C Luis Rodriguez to a minor league contract. |
| Jul 2, 2017 | Signed as free agent | Darlyn Del Villar | — | St. Louis Cardinals | St. Louis Cardinals signed free agent SS Darlyn Del Villar to a minor league contract. |
| Jul 2, 2017 | Signed | Devin Hairston | — | Milwaukee Brewers | Milwaukee Brewers signed 2B Devin Hairston. |
| Jul 2, 2017 | Signed as free agent | Martin Anderson | — | New York Mets | New York Mets signed free agent LHP Marty Anderson to a minor league contract. |
| Jul 2, 2017 | Signed as free agent | Eudi Asencio | — | Atlanta Braves | Atlanta Braves signed free agent RHP Eudi Asencio to a minor league contract. |
| Jul 2, 2017 | Signed as free agent | Givaine Basilia | — | Athletics | Oakland Athletics signed free agent SS Givaine Basilia to a minor league contract. |
| Jul 2, 2017 | Signed as free agent | Jose Betances | — | Houston Astros | Houston Astros signed free agent RHP Jose Betances to a minor league contract. |
| Jul 2, 2017 | Signed as free agent | Brayan Perez | — | Seattle Mariners | Seattle Mariners signed free agent LHP Brayan Perez to a minor league contract. |
| Jul 2, 2017 | Signed as free agent | Daniel Cruz | — | Los Angeles Dodgers | Los Angeles Dodgers signed free agent RHP Daniel Cruz to a minor league contract. |
| Jul 2, 2017 | Signed as free agent | Alex Blanco | — | Houston Astros | Houston Astros signed free agent RHP Alex Blanco to a minor league contract. |
| Jul 2, 2017 | Signed as free agent | Kimberling Encarnacion | — | Atlanta Braves | Atlanta Braves signed free agent C Kimberling Encarnacion to a minor league contract. |
| Jul 2, 2017 | Signed as free agent | Eddy Diaz | — | Colorado Rockies | Colorado Rockies signed free agent SS Eddy Diaz to a minor league contract. |
| Jul 2, 2017 | Signed as free agent | Ezequiel Duran | — | New York Yankees | New York Yankees signed free agent SS Ezequiel Duran to a minor league contract. |
| Jul 2, 2017 | Signed as free agent | Yeury Tatiz | — | Seattle Mariners | Seattle Mariners signed free agent RHP Yeury Tatiz to a minor league contract. |
| Jul 2, 2017 | Signed as free agent | Jeferson Garcia | — | San Diego Padres | San Diego Padres signed free agent RHP Jeferson Garcia to a minor league contract. |
| Jul 2, 2017 | Signed as free agent | Davison Gonzalez | — | Milwaukee Brewers | Milwaukee Brewers signed free agent LHP Davison Gonzalez to a minor league contract. |
| Jul 2, 2017 | Signed as free agent | Jose Hernandez | — | Atlanta Braves | Atlanta Braves signed free agent OF Jose Hernandez to a minor league contract. |
| Jul 2, 2017 | Signed as free agent | Flaer Gonzalez | — | Houston Astros | Houston Astros signed free agent RHP Flaer Gonzalez to a minor league contract. |
| Jul 2, 2017 | Signed as free agent | Ernesto Jaquez | — | Houston Astros | Houston Astros signed free agent RHP Ernesto Jaquez to a minor league contract. |
| Jul 2, 2017 | Signed as free agent | Edwin Jimenez | — | Atlanta Braves | Atlanta Braves signed free agent LHP Edwin Jimenez to a minor league contract. |
| Jul 2, 2017 | Signed as free agent | Jose Larez | — | Boston Red Sox | Boston Red Sox signed free agent RHP Jose Larez to a minor league contract. |
| Jul 2, 2017 | Signed as free agent | Juan Lozano | — | Atlanta Braves | Atlanta Braves signed free agent RHP Juan Lozano to a minor league contract. |
| Jul 2, 2017 | Signed as free agent | Alejandro Made | — | Philadelphia Phillies | Philadelphia Phillies signed free agent RHP Alejandro Made to a minor league contract. |
| Jul 2, 2017 | Signed as free agent | Jose Martinez | — | New York Yankees | New York Yankees signed free agent 3B Jose Martinez to a minor league contract. |
| Jul 2, 2017 | Signed as free agent | Eric Jimenez | — | Atlanta Braves | Atlanta Braves signed free agent OF Eric Jimenez to a minor league contract. |
| Jul 2, 2017 | Signed as free agent | Juan Morillo | — | Boston Red Sox | Boston Red Sox signed free agent RHP Juan Morillo to a minor league contract. |
| Jul 2, 2017 | Signed as free agent | Oscar Olivares | — | Baltimore Orioles | Baltimore Orioles signed free agent 3B Oscar Olivares to a minor league contract. |
| Jul 2, 2017 | Signed as free agent | Oscar Nunez | — | Atlanta Braves | Atlanta Braves signed free agent RHP Oscar Nunez to a minor league contract. |
| Jul 2, 2017 | Signed as free agent | Emerson Ortiz | — | Boston Red Sox | Boston Red Sox signed free agent RHP Emerson Ortiz to a minor league contract. |
| Jul 2, 2017 | Signed as free agent | Luis Pena | — | Toronto Blue Jays | Toronto Blue Jays signed free agent RHP Luis Pena to a minor league contract. |
| Jul 2, 2017 | Signed as free agent | Henry Quintero | — | Atlanta Braves | Atlanta Braves signed free agent CF Henry Quintero to a minor league contract. |
| Jul 2, 2017 | Signed as free agent | Manny Ramirez | — | Houston Astros | Houston Astros signed free agent RHP Manny Ramirez to a minor league contract. |
| Jul 2, 2017 | Signed as free agent | Joel Reyes | — | Atlanta Braves | Atlanta Braves signed free agent OF Joel Reyes to a minor league contract. |
| Jul 2, 2017 | Signed as free agent | Fausto Segura | — | Washington Nationals | Washington Nationals signed free agent RHP Fausto Segura to a minor league contract. |
| Jul 2, 2017 | Signed as free agent | Imanol Vargas | — | Los Angeles Dodgers | Los Angeles Dodgers signed free agent OF Imanol Vargas to a minor league contract. |
| Jul 2, 2017 | Signed as free agent | Estarlin Rodriguez | — | Atlanta Braves | Atlanta Braves signed free agent RHP Estarlin Rodriguez to a minor league contract. |
| Jul 2, 2017 | Signed as free agent | Jonathan Vasquez | — | Los Angeles Dodgers | Los Angeles Dodgers signed free agent RHP Jonathan Vasquez to a minor league contract. |
| Jul 2, 2017 | Signed as free agent | Diosmerky Taveras | — | Houston Astros | Houston Astros signed free agent RHP Diosmerky Taveras to a minor league contract. |
| Jul 2, 2017 | Signed as free agent | Gerardo Santana | — | Atlanta Braves | Atlanta Braves signed free agent OF Gerardo Santana to a minor league contract. |
| Jul 2, 2017 | Signed as free agent | Alex Valdez | — | Arizona Diamondbacks | Arizona Diamondbacks signed free agent RHP Alex Valdez to a minor league contract. |
| Jul 2, 2017 | Signed as free agent | Diosbel Arias | — | Texas Rangers | Texas Rangers signed free agent SS Diosbel Arias to a minor league contract. |
| Jul 2, 2017 | Signed as free agent | Jose Olague | — | Atlanta Braves | Atlanta Braves signed free agent RHP Jose Olague to a minor league contract. |
| Jul 2, 2017 | Signed as free agent | Henry Torres | — | Tampa Bay Rays | Tampa Bay Rays signed free agent RHP Henry Torres to a minor league contract. |
| Jul 2, 2017 | Signed as free agent | Galvi Agramonte | — | Los Angeles Angels | Los Angeles Angels signed free agent RHP Galvi Agramonte to a minor league contract. |
| Jul 2, 2017 | Signed as free agent | Argenis Bravo | — | Arizona Diamondbacks | Arizona Diamondbacks signed free agent LHP Argenis Bravo to a minor league contract. |
| Jul 2, 2017 | Signed as free agent | Livan Sanchez | — | Athletics | Oakland Athletics signed free agent LHP Livan Sanchez to a minor league contract. |
| Jul 2, 2017 | Signed as free agent | Jhonatan Jaquez | — | Arizona Diamondbacks | Arizona Diamondbacks signed free agent RHP Jhonatan Jaquez to a minor league contract. |
| Jul 2, 2017 | Signed as free agent | Yasel Santana | — | Boston Red Sox | Boston Red Sox signed free agent RHP Yasel Santana to a minor league contract. |
| Jul 2, 2017 | Signed as free agent | Isaac Pinales | — | Boston Red Sox | Boston Red Sox signed free agent RHP Isaac Pinales to a minor league contract. |
| Jul 2, 2017 | Signed as free agent | Wilyer Abreu | — | Houston Astros | Houston Astros signed free agent OF Wilyer Abreu to a minor league contract. |
| Jul 2, 2017 | Signed as free agent | Jeison Pena | — | Boston Red Sox | Boston Red Sox signed free agent RHP Jeison Pena to a minor league contract. |
| Jul 2, 2017 | Signed as free agent | Luis Garcia | — | Houston Astros | Houston Astros signed free agent RHP Luis Garcia to a minor league contract. |
| Jul 2, 2017 | Signed as free agent | Jesus Cruz | — | St. Louis Cardinals | St. Louis Cardinals signed free agent RHP Jesus Cruz to a minor league contract. |
| Jul 2, 2017 | Signed as free agent | Alberto Franco | — | Boston Red Sox | Boston Red Sox signed free agent RHP Alberto Franco to a minor league contract. |
| Jul 2, 2017 | Signed as free agent | Leo Jiménez | — | Toronto Blue Jays | Toronto Blue Jays signed free agent SS Leonardo Jimenez to a minor league contract. |
| Jul 2, 2017 | Signed as free agent | Johan Martinez | — | Boston Red Sox | Boston Red Sox signed free agent RHP Johan Martinez to a minor league contract. |
| Jul 2, 2017 | Signed as free agent | Julio Rodríguez | — | Seattle Mariners | Seattle Mariners signed free agent OF Julio Rodriguez to a minor league contract. |
| Jul 2, 2017 | Signed as free agent | Lewis Baez | — | Boston Red Sox | Boston Red Sox signed free agent OF Lewis Baez to a minor league contract. |
| Jul 2, 2017 | Signed as free agent | Alexander Montero | — | Boston Red Sox | Boston Red Sox signed free agent RHP Alexander Montero to a minor league contract. |
| Jul 2, 2017 | Signed as free agent | Johan Cuevas | — | Tampa Bay Rays | Tampa Bay Rays signed free agent RHP Johan Cuevas to a minor league contract. |
| Jul 2, 2017 | Signed as free agent | Alejandro Marte | — | Milwaukee Brewers | Milwaukee Brewers signed free agent OF Alejandro Marte to a minor league contract. |
| Jul 2, 2017 | Signed as free agent | Jonathan Diaz | — | Boston Red Sox | Boston Red Sox signed free agent C Jonathan Diaz to a minor league contract. |
| Jul 2, 2017 | Signed as free agent | Yandri Lara | — | Atlanta Braves | Atlanta Braves signed free agent 3B Yandri Lara to a minor league contract. |
| Jul 2, 2017 | Signed as free agent | Kelvin Sanchez | — | Boston Red Sox | Boston Red Sox signed free agent LHP Kelvin Sanchez to a minor league contract. |
| Jul 2, 2017 | Signed as free agent | Alfredi Jimenez | — | Houston Astros | Houston Astros signed free agent RHP Alfredi Jimenez to a minor league contract. |
| Jul 2, 2017 | Signed as free agent | Luarbert Arias | — | San Diego Padres | San Diego Padres signed free agent RHP Luarbert Arias to a minor league contract. |
| Jul 2, 2017 | Signed as free agent | Manuel Partida | — | San Diego Padres | San Diego Padres signed free agent LHP Manuel Partida to a minor league contract. |
| Jul 2, 2017 | Signed as free agent | Brandon Valenzuela | — | San Diego Padres | San Diego Padres signed free agent C Brandon Valenzuela to a minor league contract. |
| Jul 2, 2017 | Signed as free agent | Jarryd Dale | — | San Diego Padres | San Diego Padres signed free agent 3B Jarryd Dale to a minor league contract. |
| Jul 2, 2017 | Signed as free agent | Yerry Landinez | — | San Diego Padres | San Diego Padres signed free agent SS Yerry Landinez to a minor league contract. |
| Jul 2, 2017 | Signed as free agent | Yeison Santana | — | San Diego Padres | San Diego Padres signed free agent SS Yeison Santana to a minor league contract. |
| Jul 2, 2017 | Signed as free agent | Cristian Heredia | — | San Diego Padres | San Diego Padres signed free agent OF Cristian Heredia to a minor league contract. |
| Jul 2, 2017 | Signed as free agent | Angel Solarte | — | San Diego Padres | San Diego Padres signed free agent OF Angel Solarte to a minor league contract. |
| Jul 2, 2017 | Signed as free agent | Randy Munoz | — | Washington Nationals | Washington Nationals signed free agent RHP Randy Munoz to a minor league contract. |
| Jul 2, 2017 | Signed as free agent | Cristian Sierra | — | Milwaukee Brewers | Milwaukee Brewers signed free agent RHP Cristian Sierra to a minor league contract. |
| Jul 2, 2017 | Signed as free agent | Unnamed | — | Cincinnati Reds | Cincinnati Reds signed free agent 1B Leonardo Seminati to a minor league contract. |
| Jul 2, 2017 | Signed as free agent | Bryan Batista | — | San Diego Padres | San Diego Padres signed free agent LHP Bryan Batista to a minor league contract. |
| Jul 2, 2017 | Signed as free agent | Javier Bermudez | — | Houston Astros | Houston Astros signed free agent SS Javier Bermudez to a minor league contract. |
| Jul 2, 2017 | Signed as free agent | Heriberto Sosa | — | San Diego Padres | San Diego Padres signed free agent RHP Heriberto Sosa to a minor league contract. |
| Jul 2, 2017 | Signed as free agent | Williams Moreno | — | Toronto Blue Jays | Toronto Blue Jays signed free agent RHP Williams Moreno to a minor league contract. |
| Jul 2, 2017 | Signed as free agent | Junior Marte | — | Houston Astros | Houston Astros signed free agent SS Junior Marte to a minor league contract. |
| Jul 2, 2017 | Signed as free agent | Jose Ferrer | — | Toronto Blue Jays | Toronto Blue Jays signed free agent C Jose Ferrer to a minor league contract. |
| Jul 2, 2017 | Signed as free agent | Erick Teran | — | Toronto Blue Jays | Toronto Blue Jays signed free agent LHP Erick Teran to a minor league contract. |
| Jul 2, 2017 | Signed as free agent | Alvaro Ferreras | — | San Francisco Giants | San Francisco Giants signed free agent RHP Alvaro Ferreras to a minor league contract. |
| Jul 2, 2017 | Signed as free agent | Carlos Martinez | — | Boston Red Sox | Boston Red Sox signed free agent OF Carlos Martinez to a minor league contract. |
| Jul 2, 2017 | Signed as free agent | Alejandro Melean | — | Toronto Blue Jays | Toronto Blue Jays signed free agent RHP Alejandro Melean to a minor league contract. |
| Jul 2, 2017 | Signed as free agent | Leonel Jimenez | — | Boston Red Sox | Boston Red Sox signed free agent 2B Leonel Jimenez to a minor league contract. |
| Jul 2, 2017 | Signed as free agent | Vladimir Echavarria | — | San Diego Padres | San Diego Padres signed free agent SS Vladimir Echavarria to a minor league contract. |
| Jul 2, 2017 | Signed as free agent | Israel Puello | — | Philadelphia Phillies | Philadelphia Phillies signed free agent RHP Israel Puello to a minor league contract. |
| Jul 2, 2017 | Signed as free agent | Rodolfo Bone | — | San Francisco Giants | San Francisco Giants signed free agent C Rodolfo Bone to a minor league contract. |
| Jul 2, 2017 | Signed as free agent | Yanger Morales | — | San Diego Padres | San Diego Padres signed free agent C Yanger Morales to a minor league contract. |
| Jul 2, 2017 | Signed as free agent | Unnamed | — | New York Mets | New York Mets signed free agent OF Stanley Consuegra to a minor league contract. |
| Jul 2, 2017 | Signed as free agent | Yohanse Morel | — | Washington Nationals | Washington Nationals signed free agent RHP Yohanse Morel to a minor league contract. |
| Jul 2, 2017 | Signed as free agent | Ronald Govea | — | Toronto Blue Jays | Toronto Blue Jays signed free agent RHP Ronald Govea to a minor league contract. |
| Jul 2, 2017 | Signed as free agent | Nick Rios | — | San Diego Padres | San Diego Padres signed free agent LHP Nick Rios to a minor league contract. |
| Jul 2, 2017 | Signed as free agent | Andry Arias | — | Washington Nationals | Washington Nationals signed free agent OF Andry Arias to a minor league contract. |
| Jul 2, 2017 | Signed as free agent | Pedro Martinez | — | Atlanta Braves | Atlanta Braves signed free agent OF Pedro Martinez to a minor league contract. |
| Jul 2, 2017 | Signed as free agent | Bryan Peña | — | Washington Nationals | Washington Nationals signed free agent LHP Bryan Pena to a minor league contract. |
| Jul 2, 2017 | Signed as free agent | Ivan Armstrong | — | San Francisco Giants | San Francisco Giants signed free agent RHP Ivan Armstrong to a minor league contract. |
| Jul 2, 2017 | Signed as free agent | Jhon Solarte | — | Toronto Blue Jays | Toronto Blue Jays signed free agent OF Jhon Solarte to a minor league contract. |
| Jul 2, 2017 | Signed as free agent | Jesus Cisneros | — | San Diego Padres | San Diego Padres signed free agent RHP Jesus Cisneros to a minor league contract. |
| Jul 2, 2017 | Signed as free agent | Guillermo Tatis | — | Washington Nationals | Washington Nationals signed free agent IF Guillermo Tatis to a minor league contract. |
| Jul 2, 2017 | Signed as free agent | Brayan Bello | — | Boston Red Sox | Boston Red Sox signed free agent RHP Brayan Bello to a minor league contract. |
| Jul 2, 2017 | Signed as free agent | Yimmi Cortabarria | — | Houston Astros | Houston Astros signed free agent OF Yimmi Cortabarria to a minor league contract. |
| Jul 2, 2017 | Signed as free agent | Jesus Gomez | — | San Francisco Giants | San Francisco Giants signed free agent LHP Jesus Gomez to a minor league contract. |
| Jul 2, 2017 | Signed as free agent | Yefri Carrillo | — | Houston Astros | Houston Astros signed free agent OF Yefri Carrillo to a minor league contract. |
| Jul 2, 2017 | Signed as free agent | Wilton De La Cruz | — | Atlanta Braves | Atlanta Braves signed free agent CF Wilton De La Cruz to a minor league contract. |
| Jul 2, 2017 | Signed as free agent | Jairo Lopez | — | Houston Astros | Houston Astros signed free agent RHP Jairo Lopez to a minor league contract. |
| Jul 2, 2017 | Signed as free agent | Andelson Arias | — | San Diego Padres | San Diego Padres signed free agent C Andelson Arias to a minor league contract. |
| Jul 2, 2017 | Signed as free agent | Francis Casado | — | Milwaukee Brewers | Milwaukee Brewers signed free agent CF Francis Casado to a minor league contract. |
| Jul 2, 2017 | Signed as free agent | Josan Méndez | — | Miami Marlins | Miami Marlins signed free agent RHP Josan Mendez to a minor league contract. |
| Jul 2, 2017 | Signed as free agent | Joshwan Wright | — | Athletics | Oakland Athletics signed free agent SS Joshwan Wright to a minor league contract. |
| Jul 2, 2017 | Signed as free agent | Geyber Jimenez | — | Toronto Blue Jays | Toronto Blue Jays signed free agent C Geyer Jimenez to a minor league contract. |
| Jul 2, 2017 | Signed as free agent | Jose Colon | — | Colorado Rockies | Colorado Rockies signed free agent SS Jose Colon to a minor league contract. |
| Jul 2, 2017 | Signed as free agent | Jose Rodriguez | — | Atlanta Braves | Atlanta Braves signed free agent 1B Jose Rodriguez to a minor league contract. |
| Jul 2, 2017 | Signed as free agent | Ivan Murzi | — | Washington Nationals | Washington Nationals signed free agent C Ivan Murzi to a minor league contract. |
| Jul 2, 2017 | Signed as free agent | Cesar Rodriguez | — | Philadelphia Phillies | Philadelphia Phillies signed free agent C Cesar Rodriguez to a minor league contract. |
| Jul 2, 2017 | Signed as free agent | Stanley Rosario | — | New York Yankees | New York Yankees signed free agent OF Stanley Rosario to a minor league contract. |
| Jul 2, 2017 | Signed as free agent | Andres Melendez | — | Milwaukee Brewers | Milwaukee Brewers signed free agent C Andres Melendez to a minor league contract. |
| Jul 2, 2017 | Signed as free agent | Bryan Lucas | — | Boston Red Sox | Boston Red Sox signed free agent RHP Bryan Lucas to a minor league contract. |
| Jul 2, 2017 | Signed as free agent | Jorge Barrosa | — | Arizona Diamondbacks | Arizona Diamondbacks signed free agent OF Jorge Barrosa to a minor league contract. |
| Jul 2, 2017 | Signed as free agent | Gabriel Quintero | — | Boston Red Sox | Boston Red Sox signed free agent OF Gabriel Quintero to a minor league contract. |
| Jul 2, 2017 | Signed as free agent | Jhosmer Alvarez | — | Arizona Diamondbacks | Arizona Diamondbacks signed free agent RHP Jhosmer Alvarez to a minor league contract. |
| Jul 2, 2017 | Signed as free agent | Randy Rodríguez | — | San Francisco Giants | San Francisco Giants signed free agent RHP Randy Rodriguez to a minor league contract. |
| Jul 2, 2017 | Signed as free agent | Mauricio Rodriguez | — | San Diego Padres | San Diego Padres signed free agent RHP Mauricio Rodriguez to a minor league contract. |
| Jul 2, 2017 | Signed as free agent | Luis Valderrama | — | Milwaukee Brewers | Milwaukee Brewers signed free agent C Luis Valderrama to a minor league contract. |
| Jul 2, 2017 | Signed as free agent | Osvaldo Oquel | — | Washington Nationals | Washington Nationals signed free agent LHP Osvaldo Oquel to a minor league contract. |
| Jul 2, 2017 | Signed as free agent | Frank Lopez | — | San Diego Padres | San Diego Padres signed free agent RHP Frank Lopez to a minor league contract. |
| Jul 2, 2017 | Signed as free agent | Jeicor Cristian | — | Milwaukee Brewers | Milwaukee Brewers signed free agent OF Jeicor Cristian to a minor league contract. |
| Jul 2, 2017 | Signed as free agent | Enyerberth Ascanio | — | New York Yankees | New York Yankees signed free agent C Enyerberth Ascanio to a minor league contract. |
| Jul 2, 2017 | Signed as free agent | Orceli Gomez | — | Texas Rangers | Texas Rangers signed free agent RHP Orceli Gomez to a minor league contract. |
| Jul 2, 2017 | Signed as free agent | Miguel Olivo | — | Toronto Blue Jays | Toronto Blue Jays signed free agent RHP Miguel Olivo to a minor league contract. |
| Jul 2, 2017 | Signed as free agent | Robinson Montero | — | Boston Red Sox | Boston Red Sox signed free agent RHP Robinson Montero to a minor league contract. |
| Jul 2, 2017 | Signed as free agent | Manuel De La Rosa | — | Washington Nationals | Washington Nationals signed free agent RHP Manuel De La Rosa to a minor league contract. |
| Jul 2, 2017 | Signed as free agent | Gregori Segovia | — | Boston Red Sox | Boston Red Sox signed free agent RHP Gregori Segovia to a minor league contract. |
| Jul 2, 2017 | Signed as free agent | Yorlis Rodriguez | — | San Francisco Giants | San Francisco Giants signed free agent SS Yorlis Rodriguez to a minor league contract. |
| Jul 2, 2017 | Signed as free agent | Emeli Ferreira | — | Atlanta Braves | Atlanta Braves signed free agent 2B Emeli Ferreira to a minor league contract. |
| Jul 2, 2017 | Signed as free agent | José A. Ferrer | — | Washington Nationals | Washington Nationals signed free agent LHP Jose A. Ferrer to a minor league contract. |
| Jul 2, 2017 | Signed as free agent | Matias Polanco | — | San Diego Padres | San Diego Padres signed free agent C Matias Polanco to a minor league contract. |
| Jul 2, 2017 | Signed as free agent | Carlos Hurtado | — | Houston Astros | Houston Astros signed free agent C Carlos Hurtado to a minor league contract. |
| Jul 2, 2017 | Signed as free agent | Cristofer Mezquita | — | Houston Astros | Houston Astros signed free agent LHP Cristofer Mezquita to a minor league contract. |
| Jul 2, 2017 | Signed as free agent | Jose Arteaga | — | Milwaukee Brewers | Milwaukee Brewers signed free agent SS Jose Arteaga to a minor league contract. |
| Jul 2, 2017 | Signed as free agent | Jean Pena | — | San Francisco Giants | San Francisco Giants signed free agent LF Jean Pena to a minor league contract. |
| Jul 2, 2017 | Signed as free agent | Denny Daza | — | Boston Red Sox | Boston Red Sox signed free agent SS Denny Daza to a minor league contract. |
| Jul 2, 2017 | Signed as free agent | Luis Baez | — | Minnesota Twins | Minnesota Twins signed free agent CF Luis Baez to a minor league contract. |
| Jul 2, 2017 | Signed as free agent | Carlos Betancourt | — | Philadelphia Phillies | Philadelphia Phillies signed free agent RHP Carlos Betancourt to a minor league contract. |
| Jul 2, 2017 | Signed as free agent | Abraham Castillo | — | Houston Astros | Houston Astros signed free agent OF Abraham Castillo to a minor league contract. |
| Jul 2, 2017 | Signed as free agent | Nelfy Abreu | — | Boston Red Sox | Boston Red Sox signed free agent SS Nelfy Abreu to a minor league contract. |
| Jul 2, 2017 | Signed as free agent | Ruben Hernandez | — | Boston Red Sox | Boston Red Sox signed free agent OF Ruben Hernandez to a minor league contract. |
| Jul 2, 2017 | Signed as free agent | Alexis Carmona | — | Toronto Blue Jays | Toronto Blue Jays signed free agent RHP Alexis Carmona to a minor league contract. |
| Jul 2, 2017 | Signed as free agent | Sergio Gutierrez | — | Arizona Diamondbacks | Arizona Diamondbacks signed free agent C Sergio Gutierrez to a minor league contract. |
| Jul 2, 2017 | Signed as free agent | Daniel Jimenez | — | Colorado Rockies | Colorado Rockies signed free agent RHP Daniel Jimenez to a minor league contract. |
| Jul 2, 2017 | Signed as free agent | Braian Fernández | — | Washington Nationals | Washington Nationals signed free agent OF Braian Fernandez to a minor league contract. |
| Jul 2, 2017 | Signed as free agent | Victor Vargas | — | Philadelphia Phillies | Philadelphia Phillies signed free agent RHP Victor Vargas to a minor league contract. |
| Jul 2, 2017 | Signed as free agent | Yordy Nunez | — | New York Yankees | New York Yankees signed free agent RHP Yordy Nunez to a minor league contract. |
| Jul 2, 2017 | Signed as free agent | Ramses Malave | — | Arizona Diamondbacks | Arizona Diamondbacks signed free agent C Ramses Malave to a minor league contract. |
| Jul 2, 2017 | Signed as free agent | Ricardo Leon | — | Houston Astros | Houston Astros signed free agent LHP Ricardo Leon to a minor league contract. |
| Jul 2, 2017 | Signed as free agent | Leonard Vilchez | — | San Francisco Giants | San Francisco Giants signed free agent RHP Leonard Vilchez to a minor league contract. |
| Jul 2, 2017 | Signed as free agent | Carlos Guarate | — | San Diego Padres | San Diego Padres signed free agent RHP Carlos Guarate to a minor league contract. |
| Jul 2, 2017 | Signed as free agent | Emmanuel Guerra | — | San Diego Padres | San Diego Padres signed free agent 3B Emmanuel Guerra to a minor league contract. |
| Jul 2, 2017 | Signed as free agent | Luis Toribio | — | San Francisco Giants | San Francisco Giants signed free agent SS Luis Toribio to a minor league contract. |
| Jul 2, 2017 | Signed as free agent | Hector Sierra | — | Atlanta Braves | Atlanta Braves signed free agent SS Hector Sierra to a minor league contract. |
| Jul 2, 2017 | Signed as free agent | Neyfy Castillo | — | Arizona Diamondbacks | Arizona Diamondbacks signed free agent SS Neyfy Castillo to a minor league contract. |
| Jul 2, 2017 | Signed as free agent | Brayan Aquino | — | Boston Red Sox | Boston Red Sox signed free agent RHP Brayan Aquino to a minor league contract. |
| Jul 2, 2017 | Signed as free agent | Charbel Hadad | — | Atlanta Braves | Atlanta Braves signed free agent OF Charbel Hadad to a minor league contract. |
| Jul 2, 2017 | Signed as free agent | Daniel Castillo | — | Milwaukee Brewers | Milwaukee Brewers signed free agent SS Daniel Castillo to a minor league contract. |
| Jul 2, 2017 | Signed as free agent | Roman Ruiz | — | Arizona Diamondbacks | Arizona Diamondbacks signed free agent SS Roman Ruiz to a minor league contract. |
| Jul 2, 2017 | Signed as free agent | Angel Baptista | — | Texas Rangers | Texas Rangers signed free agent SS Angel Baptista to a minor league contract. |
| Jul 2, 2017 | Signed as free agent | Juan Padron | — | Arizona Diamondbacks | Arizona Diamondbacks signed free agent SS Juan Padron to a minor league contract. |
| Jul 2, 2017 | Signed as free agent | Nelson Medina | — | New York Yankees | New York Yankees signed free agent CF Nelson Medina to a minor league contract. |
| Jul 2, 2017 | Signed as free agent | Adonis Figuereo | — | Detroit Tigers | Detroit Tigers signed free agent OF Adonis Figuereo to a minor league contract. |
| Jul 2, 2017 | Signed as free agent | Miguel Rondon | — | San Diego Padres | San Diego Padres signed free agent RHP Miguel Rondon to a minor league contract. |
| Jul 2, 2017 | Signed as free agent | Juan Sanchez | — | San Francisco Giants | San Francisco Giants signed free agent LHP Juan Sanchez to a minor league contract. |
| Jul 2, 2017 | Signed as free agent | Robert Gonzalez | — | Texas Rangers | Texas Rangers signed free agent CF Robert Gonzalez to a minor league contract. |
| Jul 2, 2017 | Signed as free agent | Luis Mota | — | Boston Red Sox | Boston Red Sox signed free agent SS Luis Mota to a minor league contract. |
| Jul 2, 2017 | Signed as free agent | Rushenten Tomsjansen | — | Los Angeles Dodgers | Los Angeles Dodgers signed free agent OF Rushenten Tomsjansen to a minor league contract. |
| Jul 2, 2017 | Signed as free agent | Luis De Avila | — | Colorado Rockies | Colorado Rockies signed free agent LHP Luis De Avila to a minor league contract. |
| Jul 2, 2017 | Signed as free agent | Alberto Torres | — | Philadelphia Phillies | Philadelphia Phillies signed free agent LHP Alberto Torres to a minor league contract. |
| Jul 2, 2017 | Signed as free agent | Victor Munoz | — | Tampa Bay Rays | Tampa Bay Rays signed free agent RHP Victor Munoz to a minor league contract. |
| Jul 2, 2017 | Signed as free agent | Julio De La Cruz | — | San Diego Padres | San Diego Padres signed free agent SS Julio De La Cruz to a minor league contract. |
| Jul 2, 2017 | Signed as free agent | Randy Rodriguez | — | Los Angeles Dodgers | Los Angeles Dodgers signed free agent 2B Randy Rodriguez to a minor league contract. |
| Jul 2, 2017 | Signed as free agent | Yimi Carty | — | Washington Nationals | Washington Nationals signed free agent RHP Yimy Carty to a minor league contract. |
| Jul 2, 2017 | Signed as free agent | Yohan Polanco | — | San Francisco Giants | San Francisco Giants signed free agent RF Yohan Polanco to a minor league contract. |
| Jul 2, 2017 | Signed as free agent | Wilker Vargas | — | Boston Red Sox | Boston Red Sox signed free agent SS Wilker Vargas to a minor league contract. |
| Jul 2, 2017 | Signed as free agent | Robert Colina | — | New York Mets | New York Mets signed free agent RHP Robert Colina to a minor league contract. |
| Jul 2, 2017 | Signed as free agent | Robert Gomez | — | San Francisco Giants | San Francisco Giants signed free agent OF Robert Gomez to a minor league contract. |
| Jul 2, 2017 | Signed as free agent | Jose Rivas | — | Toronto Blue Jays | Toronto Blue Jays signed free agent SS Jose Rivas to a minor league contract. |
| Jul 2, 2017 | Signed as free agent | Jhoan Paulino | — | Athletics | Oakland Athletics signed free agent SS Jhoan Paulino to a minor league contract. |
| Jul 2, 2017 | Signed as free agent | Anthony Garcia | — | New York Yankees | New York Yankees signed free agent RF Anthony Garcia to a minor league contract. |
| Jul 2, 2017 | Signed as free agent | José Cruz | — | San Francisco Giants | San Francisco Giants signed free agent RHP Jose Cruz to a minor league contract. |
| Jul 2, 2017 | Signed as free agent | Jesus Liscano | — | San Francisco Giants | San Francisco Giants signed free agent CF Jesus Liscano to a minor league contract. |
| Jul 2, 2017 | Signed as free agent | Jesus Rosillo | — | Boston Red Sox | Boston Red Sox signed free agent RHP Jesus Rosillo to a minor league contract. |
| Jul 2, 2017 | Signed as free agent | Jose Navas | — | Boston Red Sox | Boston Red Sox signed free agent C Jose Navas to a minor league contract. |
| Jul 2, 2017 | Signed as free agent | Saul Sanchez | — | Athletics | Oakland Athletics signed free agent SS Saul Sanchez to a minor league contract. |
| Jul 2, 2017 | Signed as free agent | Enmanuel Morillo | — | Houston Astros | Houston Astros signed free agent SS Enmanuel Morillo to a minor league contract. |
| Jul 2, 2017 | Signed as free agent | Eduardo Salazar | — | New York Mets | New York Mets signed free agent OF Eduardo Salazar to a minor league contract. |
| Jul 2, 2017 | Signed as free agent | Kleiver Osorio | — | Colorado Rockies | Colorado Rockies signed free agent LHP Kleiver Osorio to a minor league contract. |
| Jul 2, 2017 | Signed as free agent | Dereck Salom | — | Athletics | Oakland Athletics signed free agent SS Dereck Salom to a minor league contract. |
| Jul 2, 2017 | Signed as free agent | Luis Paez | — | San Diego Padres | San Diego Padres signed free agent SS Luis Paez to a minor league contract. |
| Jul 2, 2017 | Signed as free agent | Wilfrido Matos | — | Washington Nationals | Washington Nationals signed free agent SS Wilfrido Matos to a minor league contract. |
| Jul 2, 2017 | Signed as free agent | Bladimir Restituyo | — | Colorado Rockies | Colorado Rockies signed free agent SS Bladimir Restituyo to a minor league contract. |
| Jul 2, 2017 | Signed as free agent | Erickvi Celedonio | — | Toronto Blue Jays | Toronto Blue Jays signed free agent OF Erickvi Celedonio to a minor league contract. |
| Jul 2, 2017 | Signed as free agent | Miguel Marte | — | New York Yankees | New York Yankees signed free agent SS Miguel Marte to a minor league contract. |
| Jul 2, 2017 | Signed as free agent | Eliezel Stevens | — | Atlanta Braves | Atlanta Braves signed free agent 2B Eliezel Stevens to a minor league contract. |
| Jul 2, 2017 | Signed as free agent | Dariel Velasquez | — | Colorado Rockies | Colorado Rockies signed free agent RHP Dariel Velasquez to a minor league contract. |
| Jul 2, 2017 | Signed as free agent | Diego Tamariz | — | Philadelphia Phillies | Philadelphia Phillies signed free agent RHP Diego Tamariz to a minor league contract. |
| Jul 2, 2017 | Signed as free agent | Joseph Hernandez | — | Seattle Mariners | Seattle Mariners signed free agent RHP Joseph Hernandez to a minor league contract. |
| Jul 2, 2017 | Signed as free agent | Viandel Pena | — | Washington Nationals | Washington Nationals signed free agent SS Viandel Pena to a minor league contract. |
| Jul 2, 2017 | Signed as free agent | Braian Quezada | — | Atlanta Braves | Atlanta Braves signed free agent OF Braian Quezada to a minor league contract. |
| Jul 2, 2017 | Signed as free agent | Frailin Turbi | — | Washington Nationals | Washington Nationals signed free agent C Frailin Turbi to a minor league contract. |
| Jul 2, 2017 | Signed as free agent | Oscar Gonzalez | — | Philadelphia Phillies | Philadelphia Phillies signed free agent C Oscar Gonzalez to a minor league contract. |
| Jul 2, 2017 | Signed as free agent | Christopher De La Cruz | — | Washington Nationals | Washington Nationals signed free agent OF Christopher De La to a minor league contract. |
| Jul 2, 2017 | Signed as free agent | Eddy Yean | — | Washington Nationals | Washington Nationals signed free agent RHP Eddy Yean to a minor league contract. |
| Jul 2, 2017 | Signed as free agent | Jesus Gonzalez | — | San Diego Padres | San Diego Padres signed free agent LHP Jesus Gonzalez to a minor league contract. |
| Jul 2, 2017 | Signed as free agent | Addiel Matias | — | Washington Nationals | Washington Nationals signed free agent 3B Addiel Matias to a minor league contract. |
| Jul 2, 2017 | Signed as free agent | Eudi Asencio | — | San Diego Padres | San Diego Padres signed free agent RHP Eudi Asencio to a minor league contract. |
| Jul 2, 2017 | Signed as free agent | Alwinson Valdez | — | Milwaukee Brewers | Milwaukee Brewers signed free agent OF Alwinson Valdez to a minor league contract. |
| Jul 2, 2017 | Signed as free agent | Samuel Quintana | — | San Francisco Giants | San Francisco Giants signed free agent LHP Samuel Quintana to a minor league contract. |
| Jul 2, 2017 | Signed as free agent | Ceddanne Rafaela | — | Boston Red Sox | Boston Red Sox signed free agent SS Ceddanne Rafaela to a minor league contract. |
| Jul 2, 2017 | Signed as free agent | Yeuris Jimenez | — | Miami Marlins | Miami Marlins signed free agent RHP Yeuris Jimenez to a minor league contract. |
| Jul 2, 2017 | Signed as free agent | Juan Frias | — | Milwaukee Brewers | Milwaukee Brewers signed free agent OF Juan Frias to a minor league contract. |
| Jul 2, 2017 | Signed as free agent | Liover Peguero | — | Arizona Diamondbacks | Arizona Diamondbacks signed free agent SS Liover Peguero to a minor league contract. |
| Jul 2, 2017 | Signed as free agent | Brayan Castillo | — | Colorado Rockies | Colorado Rockies signed free agent RHP Brayan Castillo to a minor league contract. |
| Jul 2, 2017 | Signed as free agent | Albert Avila | — | Athletics | Oakland Athletics signed free agent OF Albert Avila to a minor league contract. |
| Jul 2, 2017 | Signed as free agent | Alberis Ferrer | — | Milwaukee Brewers | Milwaukee Brewers signed free agent OF Alberis Ferrer to a minor league contract. |
| Jul 2, 2017 | Signed as free agent | Darling Florentino | — | Atlanta Braves | Atlanta Braves signed free agent 3B Darling Florentino to a minor league contract. |
| Jul 2, 2017 | Signed as free agent | Alberto Rodriguez | — | Toronto Blue Jays | Toronto Blue Jays signed free agent OF Alberto Rodriguez to a minor league contract. |
| Jul 2, 2017 | Signed as free agent | Alfred Vega | — | New York Yankees | New York Yankees signed free agent RHP Alfred Vega to a minor league contract. |
| Jul 2, 2017 | Signed as free agent | Stanley Consuegra | — | New York Mets | New York Mets signed free agent OF Stanley Consuegra to a minor league contract. |
| Jul 2, 2017 | Signed | Alec Byrd | — | Colorado Rockies | Colorado Rockies signed LHP Alec Byrd. |
| Jul 1, 2017 | Signed | Glenn Otto Jr. | — | New York Yankees | New York Yankees signed RHP Glenn Otto. |
| Jul 1, 2017 | Signed | José Caballero | — | Arizona Diamondbacks | Arizona Diamondbacks signed SS Jose Caballero. |
| Jul 1, 2017 | Signed | Nick Allen | — | Athletics | Oakland Athletics signed SS Nick Allen. |
| Jul 1, 2017 | Signed | Greg Deichmann | — | Athletics | Oakland Athletics signed OF Greg Deichmann. |
| Jul 1, 2017 | Signed | Brian Howard | — | Athletics | Oakland Athletics signed RHP Brian Howard. |
| Jul 1, 2017 | Signed | Jared Poche | — | Athletics | Oakland Athletics signed LHP Jared Poche'. |
| Jul 1, 2017 | Signed as free agent | Carlos Paulino | — | Minnesota Twins | Minnesota Twins signed free agent C Carlos Paulino to a minor league contract. |
| Jul 1, 2017 | Signed | Kevin Matthews | — | Atlanta Braves | Atlanta Braves signed LHP Kevin Matthews. |
| Jul 1, 2017 | Signed | Elliott Barzilli | — | Miami Marlins | Miami Marlins signed SS Elliott Barzilli. |
| Jul 1, 2017 | Signed | Marlin Willis | — | Kansas City Royals | Kansas City Royals signed LHP Marlin Willis. |
| Jul 1, 2017 | Signed as free agent | Skeiling Rodriguez | — | Cleveland Guardians | Cleveland Indians signed free agent OF Skeiling Rodriguez to a minor league contract. |
| Jul 1, 2017 | Signed | Tylor Fischer | — | Kansas City Royals | Kansas City Royals signed RHP Tylor Fischer. |
| Jul 1, 2017 | Signed | Brigham Hill | — | Washington Nationals | Washington Nationals signed RHP Brigham Hill. |
| Jul 1, 2017 | Signed as free agent | Nolan Brown | — | Chicago White Sox | Chicago White Sox signed free agent RF Nolan Brown to a minor league contract. |
| Jun 30, 2017 | Signed | Max Engelbrekt | — | Washington Nationals | Washington Nationals signed LHP Max Engelbrekt. |
| Jun 30, 2017 | Signed as free agent | Anthony Marzi | — | Minnesota Twins | Minnesota Twins signed free agent LHP Anthony Marzi to a minor league contract. |
| Jun 30, 2017 | Signed | DL Hall | — | Baltimore Orioles | Baltimore Orioles signed LHP DL Hall. |
| Jun 30, 2017 | Signed as free agent | Nate Reed | — | San Francisco Giants | San Francisco Giants signed free agent LHP Nate Reed to a minor league contract. |
| Jun 30, 2017 | Signed | Devin Hemmerich | — | Los Angeles Dodgers | Los Angeles Dodgers signed LHP Devin Hemmerich. |
| Jun 30, 2017 | Signed | Justin Lewis | — | Los Angeles Dodgers | Los Angeles Dodgers signed LHP Justin Lewis. |
| Jun 30, 2017 | Signed | Justin Hoyt | — | Los Angeles Dodgers | Los Angeles Dodgers signed LHP Justi Hoyt. |
| Jun 30, 2017 | Trade | Nick Franklin | Milwaukee Brewers | Los Angeles Angels | Milwaukee Brewers traded LF Nick Franklin to Los Angeles Angels for Player To Be Named Later. |
| Jun 30, 2017 | Signed | Daniel Tillo | — | Kansas City Royals | Kansas City Royals signed LHP Daniel Tillo. |
| Jun 30, 2017 | Signed | Bryar Johnson | — | Kansas City Royals | Kansas City Royals signed RHP Bryar Johnson. |
| Jun 30, 2017 | Signed as free agent | Stephen Greenlees | — | Kansas City Royals | Kansas City Royals signed free agent RHP Stephen Greenlees to a minor league contract. |
| Jun 30, 2017 | Signed as free agent | Erven Roper | — | Los Angeles Angels | Los Angeles Angels signed free agent C Erven Roper to a minor league contract. |
| Jun 30, 2017 | Signed | Caleb Scires | — | Los Angeles Angels | Los Angeles Angels signed OF Caleb Scires. |
| Jun 30, 2017 | Signed | Spencer Griffin | — | Los Angeles Angels | Los Angeles Angels signed OF Spencer Griffin. |
| Jun 30, 2017 | Signed as free agent | Artemis Kadkhodaian | — | Los Angeles Angels | Los Angeles Angels signed free agent 2B Artemis Kadkhodaian to a minor league contract. |
| Jun 30, 2017 | Signed as free agent | Tyler Badamo | — | Arizona Diamondbacks | Arizona Diamondbacks signed free agent RHP Tyler Badamo to a minor league contract. |
| Jun 30, 2017 | Signed | Alex Eubanks | — | Texas Rangers | Texas Rangers signed RHP Alex Eubanks. |
| Jun 30, 2017 | Signed | Matthew Hammonds | — | Baltimore Orioles | Baltimore Orioles signed LHP Matthew Hammonds. |
| Jun 30, 2017 | Signed | Tim Naughton | — | Baltimore Orioles | Baltimore Orioles signed RHP Timothy Naughton. |
| Jun 30, 2017 | Signed | Dan Jagiello | — | Los Angeles Dodgers | Los Angeles Dodgers signed RHP Dan Jagiello. |
| Jun 30, 2017 | Signed | Colby Nealy | — | Los Angeles Dodgers | Los Angeles Dodgers signed RHP Colby Nealy. |
| Jun 30, 2017 | Signed | Evy Ruibal | — | Los Angeles Dodgers | Los Angeles Dodgers signed RHP Evy Ruibal. |
| Jun 30, 2017 | Signed as free agent | Tracy Hadley | — | Chicago White Sox | Chicago White Sox signed free agent SS Tracy Hadley to a minor league contract. |
| Jun 30, 2017 | Signed as free agent | Ignacio Otano | — | Chicago Cubs | Chicago Cubs signed free agent SS Ignacio Otano to a minor league contract. |
| Jun 30, 2017 | Signed as free agent | Eddie Gamboa | — | Los Angeles Dodgers | Los Angeles Dodgers signed free agent RHP Eddie Gamboa to a minor league contract. |
| Jun 30, 2017 | Signed | Ben Brown | — | Philadelphia Phillies | Philadelphia Phillies signed RHP Ben Brown. |
| Jun 29, 2017 | Signed as free agent | Tad Ratliff | — | Kansas City Royals | Kansas City Royals signed free agent RHP Tad Ratliff to a minor league contract. |
| Jun 29, 2017 | Signed | Zach Jackson | — | St. Louis Cardinals | St. Louis Cardinals signed C Zach Jackson. |
| Jun 29, 2017 | Signed as free agent | Blake Gailen | — | Los Angeles Dodgers | Los Angeles Dodgers signed free agent OF Blake Gailen to a minor league contract. |
| Jun 29, 2017 | Released | Aaron Hill | — | San Francisco Giants | San Francisco Giants released LF Aaron Hill. |
| Jun 29, 2017 | Signed | Josh Rojas | — | Houston Astros | Houston Astros signed 2B Josh Rojas. |
| Jun 29, 2017 | Signed as free agent | Rob Brantly | — | Chicago White Sox | Chicago White Sox signed free agent C Rob Brantly to a minor league contract. |
| Jun 29, 2017 | Signed as free agent | K.C. Hobson | — | San Francisco Giants | San Francisco Giants signed free agent 1B K.C. Hobson to a minor league contract. |
| Jun 29, 2017 | Signed | Logan Warmoth | — | Toronto Blue Jays | Toronto Blue Jays signed SS Logan Warmoth. |
| Jun 29, 2017 | Signed | Nate Pearson | — | Toronto Blue Jays | Toronto Blue Jays signed RHP Nate Pearson. |
| Jun 29, 2017 | Signed | Turner Larkins | — | Toronto Blue Jays | Toronto Blue Jays signed RHP Turner Larkins. |
| Jun 29, 2017 | Signed | Janson Junk | — | New York Yankees | New York Yankees signed RHP Janson Junk. |
| Jun 29, 2017 | Signed | Shawn Semple | — | New York Yankees | New York Yankees signed RHP Shawn Semple. |
| Jun 29, 2017 | Signed | Josh Keaton | — | Baltimore Orioles | Baltimore Orioles signed RHP Josh Keaton. |
| Jun 29, 2017 | Signed | Nick Vichio | — | Baltimore Orioles | Baltimore Orioles signed RHP Nick Vichio. |
| Jun 29, 2017 | Signed as free agent | Billy King | — | Tampa Bay Rays | Tampa Bay Rays signed free agent 1B Billy King to a minor league contract. |
| Jun 29, 2017 | Signed | Matt Brill | — | Arizona Diamondbacks | Arizona Diamondbacks signed RHP Matt Brill. |
| Jun 29, 2017 | Signed as free agent | Clay Chandler | — | Seattle Mariners | Seattle Mariners signed free agent RHP Clay Chandler to a minor league contract. |
| Jun 29, 2017 | Signed as free agent | Aaron Stroosma | — | Seattle Mariners | Seattle Mariners signed free agent OF Aaron Stroosma to a minor league contract. |
| Jun 29, 2017 | Signed as free agent | Tyler Jackson | — | Seattle Mariners | Seattle Mariners signed free agent RHP Tyler Jackson to a minor league contract. |
| Jun 29, 2017 | Signed as free agent | Pedro Diaz | — | New York Yankees | New York Yankees signed free agent C Pedro Diaz to a minor league contract. |
| Jun 29, 2017 | Signed | Colby Fitch | — | Philadelphia Phillies | Philadelphia Phillies signed C Colby Fitch. |
| Jun 29, 2017 | Signed | Cole Bellinger | — | San Diego Padres | San Diego Padres signed RHP Cole Bellinger. |
| Jun 29, 2017 | Signed | Joey Cantillo | — | San Diego Padres | San Diego Padres signed LHP Joey Cantillo. |
| Jun 29, 2017 | Signed | Tucker Baca | — | Baltimore Orioles | Baltimore Orioles signed LHP Tucker Baca. |
| Jun 28, 2017 | Signed | Cody Bolton | — | Pittsburgh Pirates | Pittsburgh Pirates signed RHP Cody Bolton. |
| Jun 28, 2017 | Signed | Chris Sharpe | — | Pittsburgh Pirates | Pittsburgh Pirates signed OF Chris Sharpe. |
| Jun 28, 2017 | Signed | Jesse Medrano | — | Pittsburgh Pirates | Pittsburgh Pirates signed 3B Jesse Medrano. |
| Jun 28, 2017 | Signed | Davis Schneider | — | Toronto Blue Jays | Toronto Blue Jays signed 3B Davis Schneider. |
| Jun 28, 2017 | Signed | Scott Hurst | — | St. Louis Cardinals | St. Louis Cardinals signed OF Scott Hurst. |
| Jun 28, 2017 | Signed as free agent | Daniel Garmendia | — | Kansas City Royals | Kansas City Royals signed free agent RHP Daniel Garmendia to a minor league contract. |
| Jun 28, 2017 | Signed | Corbin Martin | — | Houston Astros | Houston Astros signed RHP Corbin Martin. |
| Jun 28, 2017 | Signed as free agent | Michael Saunders | — | Toronto Blue Jays | Toronto Blue Jays signed free agent RF Michael Saunders to a minor league contract. |
| Jun 28, 2017 | Signed as free agent | Cody Hall | — | San Francisco Giants | San Francisco Giants signed free agent RHP Cody Hall to a minor league contract. |
| Jun 28, 2017 | Signed | Dylan Busby | — | Pittsburgh Pirates | Pittsburgh Pirates signed 3B Dylan Busby. |
| Jun 28, 2017 | Signed | Chris Hudgins | — | Kansas City Royals | Kansas City Royals signed C Chris Hudgins. |
| Jun 28, 2017 | Signed | Chris Morris | — | Texas Rangers | Texas Rangers signed RHP Chris Morris. |
| Jun 28, 2017 | Signed as free agent | Andrew Daniel | — | Atlanta Braves | Atlanta Braves signed free agent 3B Andrew Daniel to a minor league contract. |
| Jun 28, 2017 | Signed | Brendan McKay | — | Tampa Bay Rays | Tampa Bay Rays signed 1B Brendan McKay. |
| Jun 28, 2017 | Signed | Kevin Watson Jr | — | Arizona Diamondbacks | Arizona Diamondbacks signed CF Kevin Watson. |
| Jun 28, 2017 | Signed | Tyler Freeman | — | Cleveland Guardians | Cleveland Indians signed SS Tyler Freeman. |
| Jun 28, 2017 | Signed | Carlos Pimentel | — | Houston Astros | Houston Astros signed RHP Carlos Pimental. |
| Jun 28, 2017 | Signed | Kadon Simmons | — | Milwaukee Brewers | Milwaukee Brewers signed RHP Kadon Simmons. |
| Jun 28, 2017 | Signed as free agent | Dan Gamache | — | Washington Nationals | Washington Nationals signed free agent 3B Dan Gamache to a minor league contract. |
| Jun 28, 2017 | Signed | Hunter Adkins | — | Tampa Bay Rays | Tampa Bay Rays signed RHP Hunter Adkins. |
| Jun 28, 2017 | Signed | Harrison Simon | — | San Diego Padres | San Diego Padres signed RHP Harrison Simon. |
| Jun 28, 2017 | Signed | Lincoln Henzman | — | Chicago White Sox | Chicago White Sox signed RHP Lincoln Henzman. |
| Jun 27, 2017 | Signed | Josh Roberson | — | Miami Marlins | Miami Marlins signed RHP Josh Roberson. |
| Jun 27, 2017 | Signed | Ron Marinaccio | — | New York Yankees | New York Yankees signed RHP Ron Marinaccio. |
| Jun 27, 2017 | Signed | Harold Cortijo | — | New York Yankees | New York Yankees signed RHP Harold Cortijo. |
| Jun 27, 2017 | Signed | Aaron McGarity | — | New York Yankees | New York Yankees signed RHP Aaron McGarity. |
| Jun 27, 2017 | Signed | Dalton Lehnen | — | New York Yankees | New York Yankees signed LHP Dalton Lehnen. |
| Jun 27, 2017 | Signed as free agent | Keyvius Sampson | — | Miami Marlins | Miami Marlins signed free agent RHP Keyvius Sampson to a minor league contract. |
| Jun 27, 2017 | Signed | Joe Perez | — | Houston Astros | Houston Astros signed 3B Joe Perez. |
| Jun 27, 2017 | Signed | Isaiah Smith | — | Kansas City Royals | Kansas City Royals signed OF Isaiah Smith. |
| Jun 27, 2017 | Signed | Harrison Francis | — | Arizona Diamondbacks | Arizona Diamondbacks signed RHP Harrison Francis. |
| Jun 27, 2017 | Signed | Tyler Benson | — | San Diego Padres | San Diego Padres signed LF Tyler Benson. |
| Jun 27, 2017 | Signed as free agent | Jim Voyles | — | St. Louis Cardinals | St. Louis Cardinals signed free agent RHP Jim Voyles to a minor league contract. |
| Jun 27, 2017 | Signed | Austen Wade | — | Cleveland Guardians | Cleveland Indians signed OF Austen Wade. |
| Jun 27, 2017 | Signed | Josh Nashed | — | Cleveland Guardians | Cleveland Indians signed RHP Josh Nashed. |
| Jun 27, 2017 | Signed | Kyle Nelson | — | Cleveland Guardians | Cleveland Indians signed LHP Kyle Nelson. |
| Jun 27, 2017 | Signed | Dillon Persinger | — | Cleveland Guardians | Cleveland Indians signed 2B Dillon Persinger. |
| Jun 27, 2017 | Signed | Michael Hendrickson | — | Cleveland Guardians | Cleveland Indians signed LHP Michael Hendrickson. |
| Jun 27, 2017 | Signed | Trevor Stephan | — | New York Yankees | New York Yankees signed RHP Trevor Stephan. |
| Jun 27, 2017 | Signed | Drew Ellis | — | Arizona Diamondbacks | Arizona Diamondbacks signed 3B Drew Ellis. |
| Jun 27, 2017 | Signed | Austin Upshaw | — | Chicago Cubs | Chicago Cubs signed SS Austin Upshaw. |
| Jun 27, 2017 | Signed as free agent | John Nogowski | — | St. Louis Cardinals | St. Louis Cardinals signed free agent 1B John Nogowski to a minor league contract. |
| Jun 27, 2017 | Signed | Brendan Feldmann | — | Houston Astros | Houston Astros signed RHP Brendan Feldmann. |
| Jun 27, 2017 | Signed | Rollie Lacy | — | Chicago Cubs | Chicago Cubs signed RHP Rollie Lacy. |
| Jun 27, 2017 | Signed | Ben Hecht | — | Chicago Cubs | Chicago Cubs signed RHP Ben Hecht. |
| Jun 27, 2017 | Signed | Chris Singleton | — | Chicago Cubs | Chicago Cubs signed CF Chris Singleton. |
| Jun 27, 2017 | Signed | Braxton Light | — | Chicago Cubs | Chicago Cubs signed RHP Braxton Light. |
| Jun 27, 2017 | Signed | Ramsey Romano | — | Chicago Cubs | Chicago Cubs signed SS Ramsey Romano. |
| Jun 27, 2017 | Signed | Jeffrey Passantino | — | Chicago Cubs | Chicago Cubs signed RHP Jeffrey Passantino. |
| Jun 27, 2017 | Signed | Ethan Lindow | — | Philadelphia Phillies | Philadelphia Phillies signed LHP Ethan Lindow. |
| Jun 26, 2017 | Signed | Alex Gallegos | — | St. Louis Cardinals | St. Louis Cardinals signed RHP Alex Gallegos. |
| Jun 26, 2017 | Signed | Mark Vientos | — | New York Mets | New York Mets signed SS Mark Vientos. |
| Jun 26, 2017 | Signed | Yadiel Flores | — | New York Mets | New York Mets signed RHP Yadiel Flores. |
| Jun 26, 2017 | Signed | Austin Gardner | — | New York Yankees | New York Yankees signed RHP Austin Gardner. |
| Jun 26, 2017 | Signed | Steven Sensley | — | New York Yankees | New York Yankees signed 1B Steven Sensley. |
| Jun 26, 2017 | Signed | Canaan Smith-Njigba | — | New York Yankees | New York Yankees signed CF Canaan Smith. |
| Jun 26, 2017 | Signed | Ricky Surum | — | New York Yankees | New York Yankees signed SS Ricky Surum. |
| Jun 26, 2017 | Signed as free agent | Alex Maloney | — | Chicago White Sox | Chicago White Sox signed free agent 3B Alex Maloney to a minor league contract. |
| Jun 26, 2017 | Released | Derek Norris | — | Tampa Bay Rays | Tampa Bay Rays released C Derek Norris. |
| Jun 26, 2017 | Trade | Ethan Clark | Tampa Bay Rays | Miami Marlins | Miami Marlins traded SS Adeiny Hechavarria to Tampa Bay Rays for CF Braxton Lee and RHP Ethan Clark. |
| Jun 26, 2017 | Trade | Matt Carasiti | Colorado Rockies | Chicago Cubs | Colorado Rockies traded RHP Matt Carasiti to Chicago Cubs for LHP Zac Rosscup. |
| Jun 26, 2017 | Signed | Caden Lemons | — | Milwaukee Brewers | Milwaukee Brewers signed LHP Caden Lemons. |
| Jun 26, 2017 | Signed as free agent | Drew Carlton | — | Detroit Tigers | Detroit Tigers signed free agent RHP Drew Carlton to a minor league contract. |
| Jun 26, 2017 | Signed as free agent | Aaron Fernandez | — | Detroit Tigers | Detroit Tigers signed free agent RHP Aaron Fernandez to a minor league contract. |
| Jun 26, 2017 | Signed as free agent | Shane Cooper | — | Detroit Tigers | Detroit Tigers signed free agent SS Shane Cooper to a minor league contract. |
| Jun 26, 2017 | Signed as free agent | Gunnar Buhner | — | Philadelphia Phillies | Philadelphia Phillies signed free agent 2B Gunnar Buhner to a minor league contract. |
| Jun 26, 2017 | Signed | Max Lazar | — | Milwaukee Brewers | Milwaukee Brewers signed RHP Max Lazar. |
| Jun 26, 2017 | Signed as free agent | Kevin Jepsen | — | Washington Nationals | Washington Nationals signed free agent RHP Kevin Jepsen to a minor league contract. |
| Jun 26, 2017 | Signed as free agent | Joe Record | — | Minnesota Twins | Minnesota Twins signed free agent RHP Joe Record to a minor league contract. |
| Jun 25, 2017 | Signed | Quinn Brodey | — | New York Mets | New York Mets signed OF Quinn Brodey. |
| Jun 25, 2017 | Signed | Matt Winaker | — | New York Mets | New York Mets signed LF Matt Winaker. |
| Jun 25, 2017 | Signed as free agent | Michael Martinez | — | Cleveland Guardians | Cleveland Indians signed free agent 2B Michael Martinez to a minor league contract. |
| Jun 25, 2017 | Signed | Brett Netzer | — | Boston Red Sox | Boston Red Sox signed 2B Brett Netzer. |
| Jun 25, 2017 | Signed | Carson Lance | — | Detroit Tigers | Detroit Tigers signed RHP Carson Lance. |
| Jun 25, 2017 | Signed | Brad Bass | — | Detroit Tigers | Detroit Tigers signed RHP Brad Bass. |
| Jun 25, 2017 | Signed | Ro Coleman | — | Detroit Tigers | Detroit Tigers signed 2B Ro Coleman. |
| Jun 25, 2017 | Signed | Colby Bortles | — | Detroit Tigers | Detroit Tigers signed 3B Colby Bortles. |
| Jun 25, 2017 | Signed | Dyla Burdeaux | — | Detroit Tigers | Detroit Tigers signed 1B Dylan Burdeaux. |
| Jun 25, 2017 | Signed | Tyler Esplin | — | Boston Red Sox | Boston Red Sox signed OF Tyler Esplin. |
| Jun 25, 2017 | Signed | Andre Colon | — | Boston Red Sox | Boston Red Sox signed SS Andre Colon. |
| Jun 25, 2017 | Signed | Beau Hanna | — | Boston Red Sox | Boston Red Sox signed C Beau Hanna. |
| Jun 25, 2017 | Signed | Angel Gonzalez | — | Boston Red Sox | Boston Red Sox signed CF Angel Gonzalez. |
| Jun 25, 2017 | Signed | Luis Torres | — | Boston Red Sox | Boston Red Sox signed CF Luis Torres. |
| Jun 25, 2017 | Signed | Hagen Danner | — | Toronto Blue Jays | Toronto Blue Jays signed C Hagen Danner. |
| Jun 25, 2017 | Signed | Taylor Bryant | — | St. Louis Cardinals | St. Louis Cardinals signed SS Taylor Bryant. |
| Jun 25, 2017 | Signed as free agent | Walter Borkovich | — | Atlanta Braves | Atlanta Braves signed free agent RHP Walter Borkovich to a minor league contract. |
| Jun 25, 2017 | Signed as free agent | Hayden Deal | — | Atlanta Braves | Atlanta Braves signed free agent RHP Hayden Deal to a minor league contract. |
| Jun 25, 2017 | Signed as free agent | Carlos Baerga | — | Atlanta Braves | Atlanta Braves signed free agent OF Carlos Baerga to a minor league contract. |
| Jun 25, 2017 | Signed | Adam Groesbeck | — | Atlanta Braves | Atlanta Braves signed OF Adam Groesbeck. |
| Jun 25, 2017 | Signed | Connor Law | — | Toronto Blue Jays | Toronto Blue Jays signed RHP Connor Law. |
| Jun 25, 2017 | Signed | Bryndan Arredondo | — | Baltimore Orioles | Baltimore Orioles signed C Bryndan Arredondo. |
| Jun 25, 2017 | Signed | Jose Montanez | — | Baltimore Orioles | Baltimore Orioles signed C Jose Montanez. |
| Jun 25, 2017 | Signed | Tyler Coolbaugh | — | Baltimore Orioles | Baltimore Orioles signed SS Tyler Coolbaugh. |
| Jun 25, 2017 | Signed | J.C. Escarra | — | Baltimore Orioles | Baltimore Orioles signed 3B J.C. Escarra. |
| Jun 25, 2017 | Signed | Max Hogan | — | Baltimore Orioles | Baltimore Orioles signed 2B Max Hogan. |
| Jun 25, 2017 | Signed | Allen Smoot | — | Tampa Bay Rays | Tampa Bay Rays signed 1B Allen Smoot. |
| Jun 25, 2017 | Signed | Willy Yahn | — | Baltimore Orioles | Baltimore Orioles signed 3B Willy Yahn. |
| Jun 25, 2017 | Signed | Jacob Brown | — | Baltimore Orioles | Baltimore Orioles signed OF Jacob Brown. |
| Jun 25, 2017 | Signed | Jordyn Muffley | — | Tampa Bay Rays | Tampa Bay Rays signed C Jordyn Muffley. |
| Jun 25, 2017 | Signed | Will Robertson | — | Baltimore Orioles | Baltimore Orioles signed OF Will Robertson. |
| Jun 25, 2017 | Signed | Lamar Sparks | — | Baltimore Orioles | Baltimore Orioles signed OF Lamar Sparks. |
| Jun 25, 2017 | Signed | Erik Ostberg | — | Tampa Bay Rays | Tampa Bay Rays signed C Erik Ostberg. |
| Jun 25, 2017 | Signed | Robbie Thorburn | — | Baltimore Orioles | Baltimore Orioles signed OF Robbie Thorburn. |
| Jun 25, 2017 | Signed as free agent | Chris Carden | — | Tampa Bay Rays | Tampa Bay Rays signed free agent RHP Chris Carden to a minor league contract. |
| Jun 25, 2017 | Signed as free agent | Trevor Charpie | — | Tampa Bay Rays | Tampa Bay Rays signed free agent RHP Trevor Charpie to a minor league contract. |
| Jun 25, 2017 | Signed as free agent | Nick DiBenedetto | — | Baltimore Orioles | Baltimore Orioles signed free agent SS Nick DiBenedetto to a minor league contract. |
| Jun 25, 2017 | Signed | Michael Mercado | — | Tampa Bay Rays | Tampa Bay Rays signed RHP Michael Mercado. |
| Jun 25, 2017 | Signed | Zack Mozingo | — | Tampa Bay Rays | Tampa Bay Rays signed RHP Zack Mozingo. |
| Jun 25, 2017 | Signed | Ivan Pelaez | — | Tampa Bay Rays | Tampa Bay Rays signed LHP Ivan Pelaez. |
| Jun 25, 2017 | Signed | Blake Pflughaupt | — | Tampa Bay Rays | Tampa Bay Rays signed LHP Blake Pflughaupt. |
| Jun 25, 2017 | Signed | Jakob Hernandez | — | Philadelphia Phillies | Philadelphia Phillies signed LHP Jakob Hernandez. |
| Jun 25, 2017 | Signed | Sati Santa Cruz | — | Philadelphia Phillies | Philadelphia Phillies signed RHP Sati Santa Cruz. |
| Jun 25, 2017 | Signed | Jesus Azuaje | — | Philadelphia Phillies | Philadelphia Phillies signed IF Jesus Azuaje. |
| Jun 25, 2017 | Signed | Yahir Gurrola | — | Philadelphia Phillies | Philadelphia Phillies signed OF Yahir Gurrola. |
| Jun 25, 2017 | Signed | Kevin Markham | — | Philadelphia Phillies | Philadelphia Phillies signed OF Kevin Markham. |
| Jun 25, 2017 | Signed | Danny Mayer | — | Philadelphia Phillies | Philadelphia Phillies signed OF Danny Mayer. |
| Jun 25, 2017 | Signed | Jamal Wade | — | Seattle Mariners | Seattle Mariners signed RHP Jamal Wade. |
| Jun 24, 2017 | Signed | Andrew Beckwith | — | Kansas City Royals | Kansas City Royals signed RHP Andrew Beckwith. |
| Jun 24, 2017 | Signed | Sal Biasi | — | Kansas City Royals | Kansas City Royals signed RHP Sal Biasi. |
| Jun 24, 2017 | Signed | Holden Capps | — | Kansas City Royals | Kansas City Royals signed LHP Holden Capps. |
| Jun 24, 2017 | Signed | Jordan Floyd | — | Kansas City Royals | Kansas City Royals signed LHP Jordan Floyd. |
| Jun 24, 2017 | Signed | Robert Garcia | — | Kansas City Royals | Kansas City Royals signed LHP Robert Garcia. |
| Jun 24, 2017 | Signed | Connor Mayes | — | Kansas City Royals | Kansas City Royals signed RHP Connor Mayes. |
| Jun 24, 2017 | Signed | Josh Mitchell | — | Kansas City Royals | Kansas City Royals signed LHP Josh Mitchell. |
| Jun 24, 2017 | Signed | Charlie Neuweiler | — | Kansas City Royals | Kansas City Royals signed RHP Charlie Neuweiler. |
| Jun 24, 2017 | Signed | Damon Olds | — | Kansas City Royals | Kansas City Royals signed RHP Damon Olds. |
| Jun 24, 2017 | Signed | Brady Cox | — | Kansas City Royals | Kansas City Royals signed C Brady Cox. |
| Jun 24, 2017 | Signed | MJ Melendez | — | Kansas City Royals | Kansas City Royals signed C MJ Melendez. |
| Jun 24, 2017 | Signed | Tyler James | — | Kansas City Royals | Kansas City Royals signed CF Tyler James. |
| Jun 24, 2017 | Signed | Travis Jones | — | Kansas City Royals | Kansas City Royals signed OF Travis Jones. |
| Jun 24, 2017 | Signed | Montae Bradshaw | — | Kansas City Royals | Kansas City Royals signed CF Montae Bradshaw. |
| Jun 24, 2017 | Signed | Brewer Hicklen | — | Kansas City Royals | Kansas City Royals signed OF Brewer Hicklen. |
| Jun 24, 2017 | Signed | Orlando Razo | — | Seattle Mariners | Seattle Mariners signed LHP Orlando Razo. |
| Jun 24, 2017 | Signed | Tommy Romero | — | Seattle Mariners | Seattle Mariners signed RHP Tommy Romero. |
| Jun 24, 2017 | Signed | Caleb Boushley | — | San Diego Padres | San Diego Padres signed RHP Caleb Boushley. |
| Jun 24, 2017 | Signed | Tom Cosgrove | — | San Diego Padres | San Diego Padres signed LHP Thomas Cosgrove. |
| Jun 24, 2017 | Signed | Sam Keating | — | San Diego Padres | San Diego Padres signed RHP Sam Keating. |
| Jun 24, 2017 | Signed as free agent | Zach Lewis | — | Chicago White Sox | Chicago White Sox signed free agent RHP Zach Lewis to a minor league contract. |
| Jun 24, 2017 | Trade | Mark Peterson | Kansas City Royals | Philadelphia Phillies | Kansas City Royals traded RHP Mark Peterson to Philadelphia Phillies. |
| Jun 24, 2017 | Signed | Johnathan Rodríguez | — | Cleveland Guardians | Cleveland Indians signed OF Johnathan Rodriguez. |
| Jun 24, 2017 | Signed | Kirk McCarty | — | Cleveland Guardians | Cleveland Indians signed LHP Kirk McCarty. |
| Jun 24, 2017 | Signed | Matt Turner | — | Cleveland Guardians | Cleveland Indians signed LHP Matthew Turner. |
| Jun 24, 2017 | Signed | Nick Gallagher | — | Cleveland Guardians | Cleveland Indians signed RHP Nick Gallagher. |
| Jun 24, 2017 | Signed | Clarke Schmidt | — | New York Yankees | New York Yankees signed RHP Clarke Schmidt. |
| Jun 24, 2017 | Signed | Matt Sauer | — | New York Yankees | New York Yankees signed RHP Matt Sauer. |
| Jun 24, 2017 | Signed | Adrian Chacon | — | Cincinnati Reds | Cincinnati Reds signed RHP Adrian Chacon. |
| Jun 24, 2017 | Signed | Anderson De Leon | — | Cincinnati Reds | Cincinnati Reds signed RHP Anderson DeLeon. |
| Jun 24, 2017 | Signed | John Ghyzel | — | Cincinnati Reds | Cincinnati Reds signed RHP John Ghyzel. |
| Jun 24, 2017 | Signed | Junior Harding | — | Cincinnati Reds | Cincinnati Reds signed RHP Junior Harding. |
| Jun 24, 2017 | Signed | Jacob Heatherly | — | Cincinnati Reds | Cincinnati Reds signed LHP Jacob Heatherly. |
| Jun 24, 2017 | Signed | Ricky Karcher | — | Cincinnati Reds | Cincinnati Reds signed RHP Ricky Karcher. |
| Jun 24, 2017 | Signed | Stephen Keller | — | Cincinnati Reds | Cincinnati Reds signed RHP Stephen Keller. |
| Jun 24, 2017 | Signed | Jared Solomon | — | Cincinnati Reds | Cincinnati Reds signed RHP Jared Solomon. |
| Jun 24, 2017 | Signed | Cash Case | — | Cincinnati Reds | Cincinnati Reds signed SS Cash Case. |
| Jun 24, 2017 | Signed | Blake Wiggins | — | Cincinnati Reds | Cincinnati Reds signed IF Blake Wiggins. |
| Jun 24, 2017 | Signed | Nate Scantlin | — | Cincinnati Reds | Cincinnati Reds signed CF Nathaniel Scantlin. |
| Jun 24, 2017 | Signed | Brian Shaffer | — | Arizona Diamondbacks | Arizona Diamondbacks signed RHP Brian Shaffer. |
| Jun 24, 2017 | Signed | Buddy Kennedy | — | Arizona Diamondbacks | Arizona Diamondbacks signed 3B Buddy Kennedy. |
| Jun 24, 2017 | Released | Chris Young | — | Kansas City Royals | Kansas City Royals released RHP Chris Young. |
| Jun 24, 2017 | Signed | Tra Holmes | — | Arizona Diamondbacks | Arizona Diamondbacks signed 2B Tramayne Holmes. |
| Jun 24, 2017 | Signed as free agent | Travis Hissong | — | Milwaukee Brewers | Milwaukee Brewers signed free agent RHP Travis Hissong to a minor league contract. |
| Jun 24, 2017 | Signed | Jeremy Arocho | — | Los Angeles Dodgers | Los Angeles Dodgers signed SS Jeremy Arocho. |
| Jun 24, 2017 | Signed | Preston Grand Pre | — | Los Angeles Dodgers | Los Angeles Dodgers signed SS Preston Grand Pre. |
| Jun 24, 2017 | Signed | Marcus Chiu | — | Los Angeles Dodgers | Los Angeles Dodgers signed 2B Marcus Chiu. |
| Jun 24, 2017 | Signed | MacKenzie Gore | — | San Diego Padres | San Diego Padres signed LHP MacKenzie Gore. |
| Jun 24, 2017 | Signed | Chris Roller | — | Los Angeles Dodgers | Los Angeles Dodgers signed CF Chris Roller. |
| Jun 24, 2017 | Signed | Max Gamboa | — | Los Angeles Dodgers | Los Angeles Dodgers signed RHP Max Gamboa. |
| Jun 24, 2017 | Signed | Zach Willeman | — | Los Angeles Dodgers | Los Angeles Dodgers signed RHP Zach Willeman. |
| Jun 24, 2017 | Signed | Tommy DeJuneas | — | Cleveland Guardians | Cleveland Indians signed RHP Tommy DeJuneas. |
| Jun 24, 2017 | Signed | Zach Draper | — | Cleveland Guardians | Cleveland Indians signed LHP Zack Draper. |
| Jun 24, 2017 | Signed | Jordan Scheftz | — | Cleveland Guardians | Cleveland Indians signed RHP Jordan Scheftz. |
| Jun 24, 2017 | Signed | Brody Rodning | — | Toronto Blue Jays | Toronto Blue Jays signed LHP Brody Rodning. |
| Jun 24, 2017 | Signed | Chris Castellanos | — | Seattle Mariners | Seattle Mariners signed LHP Chris Castellanos. |
| Jun 23, 2017 | Signed | Cole Brannen | — | Boston Red Sox | Boston Red Sox signed OF Cole Brannen. |
| Jun 23, 2017 | Signed | Zach Schellenger | — | Boston Red Sox | Boston Red Sox signed RHP Zach Schellenger. |
| Jun 23, 2017 | Signed | Alex Scherff | — | Boston Red Sox | Boston Red Sox signed RHP Alex Scherff. |
| Jun 23, 2017 | Signed | Hunter Haworth | — | Boston Red Sox | Boston Red Sox signed RHP Hunter Haworth. |
| Jun 23, 2017 | Signed | Kory Behenna | — | Boston Red Sox | Boston Red Sox signed LHP Kory Behenna. |
| Jun 23, 2017 | Signed | Xavier LeGrant | — | Boston Red Sox | Boston Red Sox signed 2B Xavier LeGrant. |
| Jun 23, 2017 | Signed | Michael Osinski | — | Boston Red Sox | Boston Red Sox signed 3B Michael Osinski. |
| Jun 23, 2017 | Signed | Taylor Ahearn | — | Boston Red Sox | Boston Red Sox signed RHP Taylor Ahearn. |
| Jun 23, 2017 | Signed | Tanner Raiburn | — | Boston Red Sox | Boston Red Sox signed LHP Tanner Raiburn. |
| Jun 23, 2017 | Signed | Trey Ganns | — | Boston Red Sox | Boston Red Sox signed 1B Trey Ganns. |
| Jun 23, 2017 | Signed | Rio Gomez | — | Boston Red Sox | Boston Red Sox signed LHP Rio Gomez. |
| Jun 23, 2017 | Signed as free agent | Jecorrah Arnold | — | Boston Red Sox | Boston Red Sox signed free agent 3B Jecorrah Arnold to a minor league contract. |
| Jun 23, 2017 | Signed | Joey Morgan | — | Detroit Tigers | Detroit Tigers signed C Joey Morgan. |
| Jun 23, 2017 | Signed | Luke Burch | — | Detroit Tigers | Detroit Tigers signed CF Luke Burch. |
| Jun 23, 2017 | Signed | Garrett McCain | — | Detroit Tigers | Detroit Tigers signed OF Garrett McCain. |
| Jun 23, 2017 | Signed | Teddy Hoffman | — | Detroit Tigers | Detroit Tigers signed RF Teddy Hoffman. |
| Jun 23, 2017 | Signed | Cole Peterson | — | Detroit Tigers | Detroit Tigers signed SS Cole Peterson. |
| Jun 23, 2017 | Signed | Brian Miller | — | Miami Marlins | Miami Marlins signed OF Brian Miller. |
| Jun 23, 2017 | Signed | Trevor Rogers | — | Miami Marlins | Miami Marlins signed LHP Trevor Rogers. |
| Jun 23, 2017 | Signed | Joe Dunand | — | Miami Marlins | Miami Marlins signed 3B Joe Dunand. |
| Jun 23, 2017 | Signed | Riley Mahan | — | Miami Marlins | Miami Marlins signed 2B Riley Mahan. |
| Jun 23, 2017 | Signed | Ryan Lillie | — | Miami Marlins | Miami Marlins signed RHP Ryan Lillie. |
| Jun 23, 2017 | Signed | Sean Guenther | — | Miami Marlins | Miami Marlins signed LHP Sean Guenther. |
| Jun 23, 2017 | Signed | Jared Barnes | — | Miami Marlins | Miami Marlins signed C Jared Barnes. |
| Jun 23, 2017 | Signed | Cameron Baranek | — | Miami Marlins | Miami Marlins signed OF Cameron Baranek. |
| Jun 23, 2017 | Signed | Denis Karas | — | Miami Marlins | Miami Marlins signed 3B Denis Karas. |
| Jun 23, 2017 | Signed | Demetrius Sims | — | Miami Marlins | Miami Marlins signed SS Demetrius Sims. |
| Jun 23, 2017 | Signed | Brady Puckett | — | Miami Marlins | Miami Marlins signed RHP Brady Puckett. |
| Jun 23, 2017 | Signed | Gavin Fritz | — | Miami Marlins | Miami Marlins signed RHP Gavin Fritz. |
| Jun 23, 2017 | Signed | Dylan Cyphert | — | Miami Marlins | Miami Marlins signed LHP Dylan Cyphert. |
| Jun 23, 2017 | Signed | Bryce Howe | — | Miami Marlins | Miami Marlins signed RHP Bryce Howe. |
| Jun 23, 2017 | Signed | Micah Brown | — | Miami Marlins | Miami Marlins signed SS Micah Brown. |
| Jun 23, 2017 | Signed | Ben Fisher | — | Miami Marlins | Miami Marlins signed 1B Ben Fisher. |
| Jun 23, 2017 | Signed | Tyler Curtis | — | Miami Marlins | Miami Marlins signed 3B Tyler Curtis. |
| Jun 23, 2017 | Signed | Montana Parsons | — | Miami Marlins | Miami Marlins signed RHP Montana Parsons. |
| Jun 23, 2017 | Signed | Evan Estes | — | Miami Marlins | Miami Marlins signed RHP Evan Estes. |
| Jun 23, 2017 | Signed | Doug Domnarski | — | Miami Marlins | Miami Marlins signed LHP Doug Domnarski. |
| Jun 23, 2017 | Signed | Vincenzo Aiello | — | Miami Marlins | Miami Marlins signed RHP Vincenzo Aiello. |
| Jun 23, 2017 | Signed | Henry McAree | — | Miami Marlins | Miami Marlins signed RHP Henry McAree. |
| Jun 23, 2017 | Signed | Michael Donadio | — | Miami Marlins | Miami Marlins signed OF Michael Donadio. |
| Jun 23, 2017 | Signed | Harrison White | — | Miami Marlins | Miami Marlins signed OF Harrison White. |
| Jun 23, 2017 | Signed | Kyle Farjad | — | Miami Marlins | Miami Marlins signed LHP Kyle Farjad. |
| Jun 23, 2017 | Signed | Karl Craigie | — | Miami Marlins | Miami Marlins signed LHP Karl Craigie. |
| Jun 23, 2017 | Signed | Josh Alberius | — | Miami Marlins | Miami Marlins signed RHP Josh Alberius. |
| Jun 23, 2017 | Signed | Brandon Boone | — | Miami Marlins | Miami Marlins signed RHP Brandon Boone. |
| Jun 23, 2017 | Signed as free agent | Nick Andress | — | Los Angeles Angels | Los Angeles Angels signed free agent RHP Nick Andress to a minor league contract. |
| Jun 23, 2017 | Signed | Sam Fuller | — | Los Angeles Angels | Los Angeles Angels signed RHP Sam Fuller. |
| Jun 23, 2017 | Signed | Jeremy Beasley | — | Los Angeles Angels | Los Angeles Angels signed RHP Jeremy Beasley. |
| Jun 23, 2017 | Signed as free agent | Neftalí Feliz | — | Kansas City Royals | Kansas City Royals signed free agent RHP Neftali Feliz. |
| Jun 23, 2017 | Signed | John Swanda | — | Los Angeles Angels | Los Angeles Angels signed RHP John Swanda. |
| Jun 23, 2017 | Signed | Jerryell Rivera | — | Los Angeles Angels | Los Angeles Angels signed LHP Jerryell Rivera. |
| Jun 23, 2017 | Signed | Zane Gurwitz | — | Los Angeles Angels | Los Angeles Angels signed 2B Zane Gurwitz. |
| Jun 23, 2017 | Signed | Tyler Walsh | — | Los Angeles Angels | Los Angeles Angels signed OF Tyler Walsh. |
| Jun 23, 2017 | Signed | Jacob Pearson | — | Los Angeles Angels | Los Angeles Angels signed CF Jacob Pearson. |
| Jun 23, 2017 | Signed | Jo Adell | — | Los Angeles Angels | Los Angeles Angels signed CF Jordon Adell. |
| Jun 23, 2017 | Signed | Adam Hall | — | Baltimore Orioles | Baltimore Orioles signed SS Adam Hall. |
| Jun 23, 2017 | Released | Francisco Rodríguez | — | Detroit Tigers | Detroit Tigers released RHP Francisco Rodriguez. |
| Jun 23, 2017 | Signed | Gio Arriera | — | Detroit Tigers | Detroit Tigers signed RHP Gio Arriera. |
| Jun 23, 2017 | Signed | Drew Crosby | — | Detroit Tigers | Detroit Tigers signed LHP Drew Crosby. |
| Jun 23, 2017 | Signed | Billy Lescher | — | Detroit Tigers | Detroit Tigers signed RHP Billy Lescher. |
| Jun 23, 2017 | Signed | Grant Reuss | — | Detroit Tigers | Detroit Tigers signed LHP Grant Reuss. |
| Jun 23, 2017 | Signed | Mitchel Stalsberg | — | Detroit Tigers | Detroit Tigers signed LHP Mitchell Stalsberg. |
| Jun 23, 2017 | Signed | Dylan Stock | — | Detroit Tigers | Detroit Tigers signed RHP Dylan Stock. |
| Jun 23, 2017 | Signed | Kyle Thomas | — | Detroit Tigers | Detroit Tigers signed RHP Kyle Thomas. |
| Jun 23, 2017 | Signed | Sam McMillan | — | Detroit Tigers | Detroit Tigers signed C Sam McMillan. |
| Jun 23, 2017 | Signed | Dylan Rosa | — | Detroit Tigers | Detroit Tigers signed OF Dylan Rosa. |
| Jun 23, 2017 | Signed | Jake Bivens | — | Detroit Tigers | Detroit Tigers signed IF Jake Bivens. |
| Jun 23, 2017 | Signed | Ryan Karstetter | — | Detroit Tigers | Detroit Tigers signed 3B Ryan Karstetter. |
| Jun 23, 2017 | Signed | Jordan Pearce | — | Detroit Tigers | Detroit Tigers signed 3B Jordan Pearce. |
| Jun 23, 2017 | Released | Jeanmar Gómez | — | Philadelphia Phillies | Philadelphia Phillies released RHP Jeanmar Gomez. |
| Jun 23, 2017 | Released | Michael Saunders | — | Philadelphia Phillies | Philadelphia Phillies released RF Michael Saunders. |
| Jun 23, 2017 | Signed as free agent | Jhonny Peralta | — | Boston Red Sox | Boston Red Sox signed free agent 3B Jhonny Peralta to a minor league contract. |
| Jun 23, 2017 | Signed | Matt Peacock | — | Arizona Diamondbacks | Arizona Diamondbacks signed RHP Matt Peacock. |
| Jun 23, 2017 | Signed | Stuart Fairchild | — | Cincinnati Reds | Cincinnati Reds signed OF Stuart Fairchild. |
| Jun 23, 2017 | Signed | Jeter Downs | — | Cincinnati Reds | Cincinnati Reds signed SS Jeter Downs. |
| Jun 23, 2017 | Signed as free agent | Louis Coleman | — | Arizona Diamondbacks | Arizona Diamondbacks signed free agent RHP Louis Coleman to a minor league contract. |
| Jun 23, 2017 | Signed | Shea Murray | — | Pittsburgh Pirates | Pittsburgh Pirates signed RHP Shea Murray. |
| Jun 23, 2017 | Signed | Eddie Muhl | — | Pittsburgh Pirates | Pittsburgh Pirates signed RHP Eddie Muhl. |
| Jun 23, 2017 | Signed | Mason Ward | — | Pittsburgh Pirates | Pittsburgh Pirates signed LHP Mason Ward. |
| Jun 23, 2017 | Signed | Drew Fischer | — | Pittsburgh Pirates | Pittsburgh Pirates signed RHP Drew Fischer. |
| Jun 23, 2017 | Signed | Kyle Watson | — | Pittsburgh Pirates | Pittsburgh Pirates signed OF Kyle Watson. |
| Jun 23, 2017 | Signed | Ryan Peurifoy | — | Pittsburgh Pirates | Pittsburgh Pirates signed OF Ryan Peurifoy. |
| Jun 23, 2017 | Signed | Brent Diaz | — | Milwaukee Brewers | Milwaukee Brewers signed C Brent Diaz. |
| Jun 23, 2017 | Signed | Nick Margevicius | — | San Diego Padres | San Diego Padres signed RHP Nick Margevicius. |
| Jun 23, 2017 | Signed | Chandler Newman | — | San Diego Padres | San Diego Padres signed RHP Chandler Newman. |
| Jun 23, 2017 | Signed | Dominic Taccolini | — | San Diego Padres | San Diego Padres signed RHP Dominic Taccolini. |
| Jun 23, 2017 | Signed as free agent | Danny Sexton | — | San Diego Padres | San Diego Padres signed free agent LHP Daniel Sexton to a minor league contract. |
| Jun 23, 2017 | Signed | Jonny Homza | — | San Diego Padres | San Diego Padres signed C Jonny Homza. |
| Jun 23, 2017 | Signed | Blake Hunt | — | San Diego Padres | San Diego Padres signed C Blake Hunt. |
| Jun 23, 2017 | Signed | Matthew Batten | — | San Diego Padres | San Diego Padres signed SS Matthew Batten. |
| Jun 23, 2017 | Signed | Jason Pineda | — | San Diego Padres | San Diego Padres signed 3B Jason Pineda. |
| Jun 23, 2017 | Signed as free agent | Cole Rutherford | — | San Diego Padres | San Diego Padres signed free agent 1B Cole Rutherford to a minor league contract. |
| Jun 23, 2017 | Signed | Greg Lambert | — | San Diego Padres | San Diego Padres signed CF Greg Lambert. |
| Jun 23, 2017 | Signed | Alex Cunningham | — | San Diego Padres | San Diego Padres signed RHP Alex Cunningham. |
| Jun 23, 2017 | Signed as free agent | Nick Kuzia | — | San Diego Padres | San Diego Padres signed free agent RHP Nick Kuzia to a minor league contract. |
| Jun 23, 2017 | Signed | Aaron Leasher | — | San Diego Padres | San Diego Padres signed LHP Aaron Leasher. |
| Jun 23, 2017 | Signed | Vijay Miller | — | San Diego Padres | San Diego Padres signed RHP Vijay Miller. |
| Jun 23, 2017 | Signed | Fred Schlichtholz | — | San Diego Padres | San Diego Padres signed LHP Fred Schlichtholz. |
| Jun 23, 2017 | Signed | Jeremy Smith | — | San Diego Padres | San Diego Padres signed RHP Jeremy Smith. |
| Jun 23, 2017 | Signed | Noel Vela | — | San Diego Padres | San Diego Padres signed LHP Noel Vela. |
| Jun 23, 2017 | Signed | Luis Campusano | — | San Diego Padres | San Diego Padres signed C Luis Campusano-Bracero. |
| Jun 23, 2017 | Signed | Olivier Basabe | — | San Diego Padres | San Diego Padres signed SS Olivier Basabe. |
| Jun 23, 2017 | Signed | Nick Feight | — | San Diego Padres | San Diego Padres signed IF Nick Feight. |
| Jun 23, 2017 | Signed | Justin Paulsen | — | San Diego Padres | San Diego Padres signed 1B Justin Paulsen. |
| Jun 23, 2017 | Signed | Luis Roman | — | San Diego Padres | San Diego Padres signed 3B Luis Roman. |
| Jun 23, 2017 | Signed | Mason House | — | San Diego Padres | San Diego Padres signed OF Mason House. |
| Jun 23, 2017 | Signed | Robbie Podorsky | — | San Diego Padres | San Diego Padres signed CF Robbie Podorsky. |
| Jun 23, 2017 | Signed as free agent | Tanner Duncan | — | Houston Astros | Houston Astros signed free agent RHP Tanner Duncan to a minor league contract. |
| Jun 23, 2017 | Signed as free agent | Michael Hernandez | — | Miami Marlins | Miami Marlins signed free agent C Michael Hernandez to a minor league contract. |
| Jun 23, 2017 | Signed as free agent | Austin Warner | — | St. Louis Cardinals | St. Louis Cardinals signed free agent LHP Austin Warner to a minor league contract. |
| Jun 23, 2017 | Signed | Keith Rogalla | — | Los Angeles Angels | Los Angeles Angels signed RHP Keith Rogalla. |
| Jun 23, 2017 | Signed as free agent | Kit Scheetz | — | Houston Astros | Houston Astros signed free agent LHP Kristopher Scheetz to a minor league contract. |
| Jun 23, 2017 | Signed as free agent | Emerson Jimenez | — | Toronto Blue Jays | Toronto Blue Jays signed free agent RHP Emerson Jimenez to a minor league contract. |
| Jun 23, 2017 | Signed | Eric Senior | — | Washington Nationals | Washington Nationals signed OF Eric Senior. |
| Jun 23, 2017 | Signed as free agent | Pat Leyland | — | Baltimore Orioles | Baltimore Orioles signed free agent 1B Pat Leyland to a minor league contract. |
| Jun 22, 2017 | Signed | Chase Pinder | — | St. Louis Cardinals | St. Louis Cardinals signed CF Chase Pinder. |
| Jun 22, 2017 | Signed | Andrew Summerville | — | St. Louis Cardinals | St. Louis Cardinals signed LHP Andrew Summerville. |
| Jun 22, 2017 | Signed | Terry Fuller | — | St. Louis Cardinals | St. Louis Cardinals signed OF Terry Fuller. |
| Jun 22, 2017 | Signed | Alex FaGalde | — | St. Louis Cardinals | St. Louis Cardinals signed RHP Alex Fagalde. |
| Jun 22, 2017 | Signed | Cory Malcom | — | St. Louis Cardinals | St. Louis Cardinals signed RHP Cory Malcom. |
| Jun 22, 2017 | Signed | Robbie Coman | — | St. Louis Cardinals | St. Louis Cardinals signed C Robbie Coman. |
| Jun 22, 2017 | Signed | Brendon Little | — | Chicago Cubs | Chicago Cubs signed LHP Brendon Little. |
| Jun 22, 2017 | Signed | Cory Abbott | — | Chicago Cubs | Chicago Cubs signed RHP Cory Abbott. |
| Jun 22, 2017 | Signed | Keegan Thompson | — | Chicago Cubs | Chicago Cubs signed RHP Keegan Thompson. |
| Jun 22, 2017 | Signed | Erich Uelmen | — | Chicago Cubs | Chicago Cubs signed RHP Erich Uelmen. |
| Jun 22, 2017 | Signed | Austin Filiere | — | Chicago Cubs | Chicago Cubs signed 3B Austin Filiere. |
| Jun 22, 2017 | Signed | Chris Carrier | — | Chicago Cubs | Chicago Cubs signed OF Chris Carrier. |
| Jun 22, 2017 | Signed | Brian Glowicki | — | Chicago Cubs | Chicago Cubs signed RHP Brian Glowicki. |
| Jun 22, 2017 | Signed | Casey Ryan | — | Chicago Cubs | Chicago Cubs signed RHP Casey Ryan. |
| Jun 22, 2017 | Signed | Brendan King | — | Chicago Cubs | Chicago Cubs signed RHP Brendan King. |
| Jun 22, 2017 | Signed | Mitch Stophel | — | Chicago Cubs | Chicago Cubs signed RHP Mitch Stophel. |
| Jun 22, 2017 | Signed | Jake Steffens | — | Chicago Cubs | Chicago Cubs signed RHP Jake Steffens. |
| Jun 22, 2017 | Signed | Cam Balego | — | Chicago Cubs | Chicago Cubs signed IF Cam Balego. |
| Jun 22, 2017 | Signed | Tyler Thomas | — | Chicago Cubs | Chicago Cubs signed LHP Tyler Thomas. |
| Jun 22, 2017 | Signed | Gavin Sheets | — | Chicago White Sox | Chicago White Sox signed 1B Gavin Sheets. |
| Jun 22, 2017 | Signed | Sam Abbott | — | Chicago White Sox | Chicago White Sox signed 1B Sam Abbott. |
| Jun 22, 2017 | Signed | Alex Destino | — | Chicago White Sox | Chicago White Sox signed OF Alex Destino. |
| Jun 22, 2017 | Signed | Hunter Kiel | — | Chicago White Sox | Chicago White Sox signed RHP Hunter Kiel. |
| Jun 22, 2017 | Signed | Anthony Herron Jr. | — | Chicago White Sox | Chicago White Sox signed RHP Anthony Herron, Jr.. |
| Jun 22, 2017 | Signed | David Cronin | — | Chicago White Sox | Chicago White Sox signed 2B David Cronin. |
| Jun 22, 2017 | Signed | John Parke | — | Chicago White Sox | Chicago White Sox signed LHP John Parke. |
| Jun 22, 2017 | Signed | Joseph Benitez | — | Chicago White Sox | Chicago White Sox signed LHP Joseph Benitez. |
| Jun 22, 2017 | Signed | Jose Garcia | — | Chicago White Sox | Chicago White Sox signed OF Jose Garcia. |
| Jun 22, 2017 | Signed | Michael Staudinger | — | Chicago White Sox | Chicago White Sox signed OF Michael Staudinger. |
| Jun 22, 2017 | Signed | JJ Muno | — | Chicago White Sox | Chicago White Sox signed SS JJ Muno. |
| Jun 22, 2017 | Signed | Laz Rivera | — | Chicago White Sox | Chicago White Sox signed SS Laz Rivera. |
| Jun 22, 2017 | Signed | Ryan Erickson | — | Chicago White Sox | Chicago White Sox signed LHP Ryan Erickson. |
| Jun 22, 2017 | Signed | Greg Minier | — | Chicago White Sox | Chicago White Sox signed LHP Greg Minier. |
| Jun 22, 2017 | Signed | Kevin George | — | Chicago White Sox | Chicago White Sox signed LHP Kevin George. |
| Jun 22, 2017 | Signed | Michael McCormick | — | Chicago White Sox | Chicago White Sox signed RHP Michael McCormick. |
| Jun 22, 2017 | Signed | Ted Andrews | — | Chicago White Sox | Chicago White Sox signed RHP Ted Andrews. |
| Jun 22, 2017 | Signed | Vince Arobio | — | Chicago White Sox | Chicago White Sox signed RHP Vince Arobio. |
| Jun 22, 2017 | Signed as free agent | Tom Wilhelmsen | — | Milwaukee Brewers | Milwaukee Brewers signed free agent RHP Tom Wilhelmsen to a minor league contract. |
| Jun 22, 2017 | Signed as free agent | Dillon Gee | — | Minnesota Twins | Minnesota Twins signed free agent RHP Dillon Gee to a minor league contract. |
| Jun 22, 2017 | Signed | J.J. Matijevic | — | Houston Astros | Houston Astros signed 1B J.J. Matijevic. |
| Jun 22, 2017 | Signed | Peter Solomon | — | Houston Astros | Houston Astros signed RHP Peter Solomon. |
| Jun 22, 2017 | Signed | Parker Mushinski | — | Houston Astros | Houston Astros signed LHP Parker Mushinski. |
| Jun 22, 2017 | Signed | Carlos Diaz | — | Houston Astros | Houston Astros signed CF Carlos Diaz. |
| Jun 22, 2017 | Signed | Matt Ruppenthal | — | Houston Astros | Houston Astros signed RHP Matt Ruppenthal. |
| Jun 22, 2017 | Signed | Richard Slenker | — | Houston Astros | Houston Astros signed 3B Richard Slenker. |
| Jun 22, 2017 | Signed | Matt Merrill | — | Houston Astros | Houston Astros signed RHP Matthew Merrill. |
| Jun 22, 2017 | Signed as free agent | Austin Kerns | — | Houston Astros | Houston Astros signed free agent LHP Austin Kerns to a minor league contract. |
| Jun 22, 2017 | Signed as free agent | Chauncey Nunez | — | Houston Astros | Houston Astros signed free agent RHP Chauncey Nunez to a minor league contract. |
| Jun 22, 2017 | Released | Adam Wilk | — | Minnesota Twins | Minnesota Twins released LHP Adam Wilk. |
| Jun 22, 2017 | Signed | Bowden Francis | — | Milwaukee Brewers | Milwaukee Brewers signed RHP Bowden Francis. |
| Jun 22, 2017 | Signed | Austin Rubick | — | Milwaukee Brewers | Milwaukee Brewers signed RHP Austin Rubick. |
| Jun 22, 2017 | Signed | Tyler Thorne | — | Milwaukee Brewers | Milwaukee Brewers signed RHP Tyler Thorne. |
| Jun 22, 2017 | Signed | Alexandre Guenette | — | Milwaukee Brewers | Milwaukee Brewers signed C Alexandre Guenette. |
| Jun 22, 2017 | Signed as free agent | Julian Jarrard | — | Milwaukee Brewers | Milwaukee Brewers signed free agent 3B Julian Jarrard to a minor league contract. |
| Jun 22, 2017 | Signed | Kenny Corey | — | Milwaukee Brewers | Milwaukee Brewers signed IF Kenny Corey. |
| Jun 22, 2017 | Signed | Jancarlos Cintron | — | Arizona Diamondbacks | Arizona Diamondbacks signed 2B Jancarlos Cintron. |
| Jun 22, 2017 | Signed | Ryan Dobson | — | Arizona Diamondbacks | Arizona Diamondbacks signed IF Ryan Dobson. |
| Jun 22, 2017 | Signed as free agent | Ryan Tufts | — | Arizona Diamondbacks | Arizona Diamondbacks signed free agent SS Ryan Tufts to a minor league contract. |
| Jun 22, 2017 | Signed | William Gorman | — | Arizona Diamondbacks | Arizona Diamondbacks signed OF William Gorman. |
| Jun 22, 2017 | Signed | Dan Swain | — | Arizona Diamondbacks | Arizona Diamondbacks signed OF Dan Swain. |
| Jun 22, 2017 | Signed as free agent | Brandon Texiera | — | Milwaukee Brewers | Milwaukee Brewers signed free agent RHP Brandon Texiera to a minor league contract. |
| Jun 22, 2017 | Signed as free agent | Mitch Atkins | — | New York Mets | New York Mets signed free agent RHP Mitch Atkins to a minor league contract. |
| Jun 22, 2017 | Signed | Ernie Clement | — | Cleveland Guardians | Cleveland Indians signed 2B Ernie Clement. |
| Jun 22, 2017 | Signed | Eli Morgan | — | Cleveland Guardians | Cleveland Indians signed RHP Eli Morgan. |
| Jun 22, 2017 | Signed | James Karinchak | — | Cleveland Guardians | Cleveland Indians signed RHP James Karinchak. |
| Jun 22, 2017 | Signed | Jesse Berardi | — | Cleveland Guardians | Cleveland Indians signed SS Jesse Berardi. |
| Jun 22, 2017 | Signed | Mike Broadway | — | Tampa Bay Rays | Tampa Bay Rays signed RHP Mike Broadway. |
| Jun 22, 2017 | Signed | Steven Jennings | — | Pittsburgh Pirates | Pittsburgh Pirates signed RHP Steven Jennings. |
| Jun 22, 2017 | Signed | Jacob Webb | — | Pittsburgh Pirates | Pittsburgh Pirates signed RHP Jacob Webb. |
| Jun 22, 2017 | Signed | Manny Bejerano | — | Pittsburgh Pirates | Pittsburgh Pirates signed C Manny Bejerano. |
| Jun 22, 2017 | Signed | Hector Quinones | — | Pittsburgh Pirates | Pittsburgh Pirates signed RHP Hector Quinones. |
| Jun 22, 2017 | Signed | Ryan Valdes | — | Pittsburgh Pirates | Pittsburgh Pirates signed RHP Ryan Valdes. |
| Jun 22, 2017 | Signed as free agent | Manny Pazos | — | Seattle Mariners | Seattle Mariners signed free agent C Manny Pazos to a minor league contract. |
| Jun 22, 2017 | Signed as free agent | Aliangel Lopez | — | Milwaukee Brewers | Milwaukee Brewers signed free agent LHP Frank Lopez to a minor league contract. |
| Jun 22, 2017 | Signed | Nick Brown | — | Minnesota Twins | Minnesota Twins signed RHP Nick Brown. |
| Jun 22, 2017 | Signed | Christian Broussard | — | Minnesota Twins | Minnesota Twins signed RHP Christian Broussard. |
| Jun 22, 2017 | Signed | Jared Finkel | — | Minnesota Twins | Minnesota Twins signed RHP Jared Finkel. |
| Jun 22, 2017 | Signed | Bailey Ober | — | Minnesota Twins | Minnesota Twins signed RHP Bailey Ober. |
| Jun 22, 2017 | Signed | Rickey Ramirez | — | Minnesota Twins | Minnesota Twins signed RHP Rickey Ramirez. |
| Jun 22, 2017 | Signed | Ryley Widell | — | Minnesota Twins | Minnesota Twins signed LHP Ryley Widell. |
| Jun 22, 2017 | Signed | Andrew Cosgrove | — | Minnesota Twins | Minnesota Twins signed C Andrew Cosgrove. |
| Jun 22, 2017 | Signed | Colton Waltner | — | Minnesota Twins | Minnesota Twins signed C Colton Waltner. |
| Jun 22, 2017 | Signed | T.J. Dixon | — | Minnesota Twins | Minnesota Twins signed OF T.J. Dixon. |
| Jun 22, 2017 | Signed | Andrew Bechtold | — | Minnesota Twins | Minnesota Twins signed 3B Andrew Bechtold. |
| Jun 22, 2017 | Signed | Carson Crites | — | Minnesota Twins | Minnesota Twins signed 2B Carson Crites. |
| Jun 22, 2017 | Signed | Jordan Gore | — | Minnesota Twins | Minnesota Twins signed SS Jordan Gore. |
| Jun 22, 2017 | Signed | J.J. Robinson | — | Minnesota Twins | Minnesota Twins signed 1B J.J. Robinson. |
| Jun 22, 2017 | Signed | Ryan Lidge | — | New York Yankees | New York Yankees signed C Ryan Lidge. |
| Jun 22, 2017 | Signed | Garett King | — | Detroit Tigers | Detroit Tigers signed RHP Garett King. |
| Jun 22, 2017 | Signed as free agent | Justin Jacobs | — | Texas Rangers | Texas Rangers signed free agent OF Justin Jacobs to a minor league contract. |
| Jun 22, 2017 | Signed | Derek Molina | — | Minnesota Twins | Minnesota Twins signed RHP Derek Molina. |
| Jun 22, 2017 | Signed | Austin Bizzle | — | Minnesota Twins | Minnesota Twins signed RHP Austin Bizzle. |
| Jun 22, 2017 | Signed | Landon Leach | — | Minnesota Twins | Minnesota Twins signed RHP Landon Leach. |
| Jun 22, 2017 | Signed | Blayne Enlow | — | Minnesota Twins | Minnesota Twins signed RHP Blayne Enlow. |
| Jun 22, 2017 | Signed | Jared Akins | — | Minnesota Twins | Minnesota Twins signed OF Jared Akins. |
| Jun 22, 2017 | Signed | Colton Burns | — | Minnesota Twins | Minnesota Twins signed OF Colton Burns. |
| Jun 22, 2017 | Signed | Ben Rodriguez | — | Minnesota Twins | Minnesota Twins signed 1B Benjamin Rodriguez. |
| Jun 22, 2017 | Signed | Alex Robles | — | Minnesota Twins | Minnesota Twins signed IF Alex Robles. |
| Jun 22, 2017 | Signed | Ricky De La Torre | — | Minnesota Twins | Minnesota Twins signed SS Ricky De La Torre. |
| Jun 22, 2017 | Signed | Evan Steele | — | Kansas City Royals | Kansas City Royals signed LHP Evan Steele. |
| Jun 22, 2017 | Signed as free agent | Terence Connelly | — | Arizona Diamondbacks | Arizona Diamondbacks signed free agent 1B Terence Connelly to a minor league contract. |
| Jun 21, 2017 | Signed | Adam Haseley | — | Philadelphia Phillies | Philadelphia Phillies signed OF Adam Haseley. |
| Jun 21, 2017 | Signed | Spencer Howard | — | Philadelphia Phillies | Philadelphia Phillies signed RHP Spencer Howard. |
| Jun 21, 2017 | Signed | Jake Scheiner | — | Philadelphia Phillies | Philadelphia Phillies signed 3B Jake Scheiner. |
| Jun 21, 2017 | Signed | Nick Maton | — | Philadelphia Phillies | Philadelphia Phillies signed SS Nick Maton. |
| Jun 21, 2017 | Signed | Jack Zoellner | — | Philadelphia Phillies | Philadelphia Phillies signed 3B Jack Zoellner. |
| Jun 21, 2017 | Signed | Connor Brogdon | — | Philadelphia Phillies | Philadelphia Phillies signed RHP Connor Brogdon. |
| Jun 21, 2017 | Signed | Ryan Vilade | — | Colorado Rockies | Colorado Rockies signed SS Ryan Vilade. |
| Jun 21, 2017 | Signed | Tommy Doyle | — | Colorado Rockies | Colorado Rockies signed RHP Tommy Doyle. |
| Jun 21, 2017 | Signed | Will Gaddis | — | Colorado Rockies | Colorado Rockies signed RHP Will Gaddis. |
| Jun 21, 2017 | Signed | Pearson McMahan | — | Colorado Rockies | Colorado Rockies signed RHP Pearson McMahan. |
| Jun 21, 2017 | Signed | Nick Kennedy | — | Colorado Rockies | Colorado Rockies signed LHP Nick Kennedy. |
| Jun 21, 2017 | Signed | Chad Spanberger | — | Colorado Rockies | Colorado Rockies signed 1B Chad Spanberger. |
| Jun 21, 2017 | Signed | Bret Boswell | — | Colorado Rockies | Colorado Rockies signed 2B Bret Boswell. |
| Jun 21, 2017 | Signed | Sean Bouchard | — | Colorado Rockies | Colorado Rockies signed 1B Sean Bouchard. |
| Jun 21, 2017 | Signed | Austin Bernard | — | Colorado Rockies | Colorado Rockies signed C Austin Bernard. |
| Jun 21, 2017 | Signed | Matt McLaughlin | — | Colorado Rockies | Colorado Rockies signed SS Matt McLaughlin. |
| Jun 21, 2017 | Signed | Garrett Schilling | — | Colorado Rockies | Colorado Rockies signed RHP Garrett Schilling. |
| Jun 21, 2017 | Signed | Nate Harris | — | Colorado Rockies | Colorado Rockies signed RHP Nate Harris. |
| Jun 21, 2017 | Signed | Daniel Jipping | — | Colorado Rockies | Colorado Rockies signed OF Daniel Jipping. |
| Jun 21, 2017 | Signed | Danny Edgeworth | — | Colorado Rockies | Colorado Rockies signed OF Danny Edgeworth. |
| Jun 21, 2017 | Signed | Jesse Lepore | — | Colorado Rockies | Colorado Rockies signed RHP Jesse Lepore. |
| Jun 21, 2017 | Signed | Aubrey McCarty | — | Colorado Rockies | Colorado Rockies signed RF Aubrey McCarty. |
| Jun 21, 2017 | Signed | Moises Ceja | — | Colorado Rockies | Colorado Rockies signed RHP Moises Ceja. |
| Jun 21, 2017 | Signed | Angel Lopez | — | Cleveland Guardians | Cleveland Indians signed C Angel Lopez Alvarez. |
| Jun 21, 2017 | Signed | Mitch Reeves | — | Cleveland Guardians | Cleveland Indians signed OF Mitch Reeves. |
| Jun 21, 2017 | Signed | Michael Cooper | — | Cleveland Guardians | Cleveland Indians signed 1B Michael Cooper. |
| Jun 21, 2017 | Signed | Tanner Houck | — | Boston Red Sox | Boston Red Sox signed RHP Tanner Houck. |
| Jun 21, 2017 | Signed as free agent | Grant Green | — | Chicago White Sox | Chicago White Sox signed free agent 2B Grant Green to a minor league contract. |
| Jun 21, 2017 | Signed | Pavin Smith | — | Arizona Diamondbacks | Arizona Diamondbacks signed 1B Pavin Smith. |
| Jun 21, 2017 | Signed | Daulton Varsho | — | Arizona Diamondbacks | Arizona Diamondbacks signed C Daulton Varsho. |
| Jun 21, 2017 | Signed | Charlie Barnes | — | Minnesota Twins | Minnesota Twins signed LHP Charlie Barnes. |
| Jun 21, 2017 | Signed as free agent | Gabe Gentner | — | St. Louis Cardinals | St. Louis Cardinals signed free agent RHP Gabriel Gentner to a minor league contract. |
| Jun 21, 2017 | Signed as free agent | Luke Lind | — | Los Angeles Angels | Los Angeles Angels signed free agent RHP Luke Lind to a minor league contract. |
| Jun 21, 2017 | Signed as free agent | Simon Mathews | — | Los Angeles Angels | Los Angeles Angels signed free agent RHP Simon Mathews to a minor league contract. |
| Jun 21, 2017 | Signed as free agent | Jason Alexander | — | Los Angeles Angels | Los Angeles Angels signed free agent RHP Jason Alexander to a minor league contract. |
| Jun 21, 2017 | Signed | Jake Burger | — | Chicago White Sox | Chicago White Sox signed 3B Jake Burger. |
| Jun 21, 2017 | Released | Ryan LaMarre | — | Athletics | Oakland Athletics released LF Ryan LaMarre. |
| Jun 21, 2017 | Signed as free agent | Jake Esch | — | San Diego Padres | San Diego Padres signed free agent RHP Jake Esch to a minor league contract. |
| Jun 21, 2017 | Signed | Heliot Ramos | — | San Francisco Giants | San Francisco Giants signed CF Heliot Ramos. |
| Jun 21, 2017 | Signed | Jacob Gonzalez | — | San Francisco Giants | San Francisco Giants signed 3B Jacob Gonzalez. |
| Jun 21, 2017 | Signed | Seth Corry | — | San Francisco Giants | San Francisco Giants signed LHP Seth Corry. |
| Jun 21, 2017 | Signed | Garrett Cave | — | San Francisco Giants | San Francisco Giants signed RHP Garrett Cave. |
| Jun 21, 2017 | Signed | Jason Bahr | — | San Francisco Giants | San Francisco Giants signed RHP Jason Bahr. |
| Jun 21, 2017 | Signed | Bryce Johnson | — | San Francisco Giants | San Francisco Giants signed OF Bryce Johnson. |
| Jun 21, 2017 | Signed | Logan Harasta | — | San Francisco Giants | San Francisco Giants signed RHP Logan Harasta. |
| Jun 21, 2017 | Signed | Aaron Phillips | — | San Francisco Giants | San Francisco Giants signed RHP Aaron Phillips. |
| Jun 21, 2017 | Signed | Rob Calabrese | — | San Francisco Giants | San Francisco Giants signed C Rob Calabrese. |
| Jun 21, 2017 | Signed | Aaron Bond | — | San Francisco Giants | San Francisco Giants signed OF Aaron Bond. |
| Jun 21, 2017 | Signed | Tyler Schimpf | — | San Francisco Giants | San Francisco Giants signed RHP Tyler Schimpf. |
| Jun 21, 2017 | Signed | Michael Sexton | — | San Francisco Giants | San Francisco Giants signed 3B Michael Sexton. |
| Jun 21, 2017 | Signed | Orlando Garcia | — | San Francisco Giants | San Francisco Giants signed SS Orlando Garcia. |
| Jun 21, 2017 | Signed | John Russell | — | San Francisco Giants | San Francisco Giants signed RHP John Russell. |
| Jun 21, 2017 | Signed | Chris Corbett | — | San Francisco Giants | San Francisco Giants signed C Chris Corbett. |
| Jun 21, 2017 | Signed | Logan Baldwin | — | San Francisco Giants | San Francisco Giants signed LHP Logan Baldwin. |
| Jun 21, 2017 | Signed | Greg Jacknewitz | — | San Francisco Giants | San Francisco Giants signed LHP Greg Jacknewitz. |
| Jun 21, 2017 | Signed | Shane Matheny | — | San Francisco Giants | San Francisco Giants signed 3B Shane Matheny. |
| Jun 21, 2017 | Signed | Nico Giarratano | — | San Francisco Giants | San Francisco Giants signed 2B Nico Giarratano. |
| Jun 21, 2017 | Signed | Franklin Van Gurp | — | San Francisco Giants | San Francisco Giants signed RHP Franklin Van Gurp. |
| Jun 21, 2017 | Signed | Kyle McPherson | — | San Francisco Giants | San Francisco Giants signed SS Kyle McPherson. |
| Jun 21, 2017 | Signed | Matt Brown | — | San Francisco Giants | San Francisco Giants signed RHP Matt Brown. |
| Jun 21, 2017 | Signed | Peter Lannoo | — | San Francisco Giants | San Francisco Giants signed RHP Peter Lannoo. |
| Jun 21, 2017 | Signed | Keenan Bartlett | — | San Francisco Giants | San Francisco Giants signed RHP Keenan Bartlett. |
| Jun 21, 2017 | Signed | Dalton Combs | — | San Francisco Giants | San Francisco Giants signed RF Dalton Combs. |
| Jun 21, 2017 | Signed | Joey Marciano | — | San Francisco Giants | San Francisco Giants signed LHP Joey Marciano. |
| Jun 21, 2017 | Signed | Andy Rohloff | — | San Francisco Giants | San Francisco Giants signed RHP Andy Rohloff. |
| Jun 21, 2017 | Signed | Keston Hiura | — | Milwaukee Brewers | Milwaukee Brewers signed 2B Keston Hiura. |
| Jun 21, 2017 | Signed | Brendan Murphy | — | Milwaukee Brewers | Milwaukee Brewers signed LHP Brendan Murphy. |
| Jun 21, 2017 | Signed | Nick Egnatuk | — | Milwaukee Brewers | Milwaukee Brewers signed 3B Nick Egnatuk. |
| Jun 21, 2017 | Signed | Dylan File | — | Milwaukee Brewers | Milwaukee Brewers signed RHP Dylan File. |
| Jun 21, 2017 | Signed | Alec Bettinger | — | Milwaukee Brewers | Milwaukee Brewers signed RHP Alec Bettinger. |
| Jun 21, 2017 | Signed | Brandon Presley | — | Milwaukee Brewers | Milwaukee Brewers signed LHP Brandon Presley. |
| Jun 21, 2017 | Signed | Robbie Hitt | — | Milwaukee Brewers | Milwaukee Brewers signed RHP Robbie Hitt. |
| Jun 21, 2017 | Signed | Cody Martin | — | Milwaukee Brewers | Milwaukee Brewers signed RHP Cody Martin. |
| Jun 21, 2017 | Signed | Cody Beckman | — | Milwaukee Brewers | Milwaukee Brewers signed RHP Cody Beckman. |
| Jun 21, 2017 | Signed | Christian Taugner | — | Milwaukee Brewers | Milwaukee Brewers signed RHP Christian Taugner. |
| Jun 21, 2017 | Signed | Robie Rojas | — | Milwaukee Brewers | Milwaukee Brewers signed C Robie Rojas. |
| Jun 21, 2017 | Signed | Rob Henry | — | Milwaukee Brewers | Milwaukee Brewers signed OF Robert Henry. |
| Jun 21, 2017 | Signed | Gabe Friese | — | Milwaukee Brewers | Milwaukee Brewers signed RHP Gabe Friese. |
| Jun 21, 2017 | Signed as free agent | Matt Hardy | — | Milwaukee Brewers | Milwaukee Brewers signed free agent RHP Matthew Hardy to a minor league contract. |
| Jun 21, 2017 | Signed | Landon Holifield | — | Milwaukee Brewers | Milwaukee Brewers signed RHP Landon Holifield. |
| Jun 21, 2017 | Signed as free agent | Tyler Lawrence | — | Milwaukee Brewers | Milwaukee Brewers signed free agent C Tyler Lawrence to a minor league contract. |
| Jun 21, 2017 | Signed as free agent | Johan Mojica | — | Milwaukee Brewers | Milwaukee Brewers signed free agent C Johan Mojica to a minor league contract. |
| Jun 21, 2017 | Signed as free agent | Branden Nunn | — | Milwaukee Brewers | Milwaukee Brewers signed free agent RHP Branden Nunn to a minor league contract. |
| Jun 21, 2017 | Signed | Ben Breazeale | — | Baltimore Orioles | Baltimore Orioles signed C Ben Breazeale. |
| Jun 21, 2017 | Signed | Sam Carlson | — | Seattle Mariners | Seattle Mariners signed RHP Sam Carlson. |
| Jun 21, 2017 | Signed | Adam Bleday | — | Houston Astros | Houston Astros signed LHP Adam Bleday. |
| Jun 21, 2017 | Signed | Noel Pinto | — | Houston Astros | Houston Astros signed LHP Noel Pinto. |
| Jun 21, 2017 | Signed | Cole Watts | — | Houston Astros | Houston Astros signed LHP Cole Watts. |
| Jun 21, 2017 | Signed | Martin Figueroa | — | Houston Astros | Houston Astros signed C Martin Figueroa. |
| Jun 21, 2017 | Signed | Cody Bohanek | — | Houston Astros | Houston Astros signed SS Cody Bohanek. |
| Jun 21, 2017 | Signed | Roman Garcia | — | Houston Astros | Houston Astros signed 1B Roman Garcia. |
| Jun 21, 2017 | Signed | Colton Shaver | — | Houston Astros | Houston Astros signed 1B Colton Shaver. |
| Jun 21, 2017 | Signed | Adrian Tovalin | — | Houston Astros | Houston Astros signed 1B Adrian Tovalin. |
| Jun 21, 2017 | Signed | Patrick Mathis | — | Houston Astros | Houston Astros signed OF Patrick Mathis. |
| Jun 21, 2017 | Signed | Chas McCormick | — | Houston Astros | Houston Astros signed OF Chas McCormick. |
| Jun 21, 2017 | Signed | Freddy Tarnok | — | Atlanta Braves | Atlanta Braves signed RHP Freddy Tarnok. |
| Jun 21, 2017 | Signed | Troy Bacon | — | Atlanta Braves | Atlanta Braves signed RHP Troy Bacon. |
| Jun 21, 2017 | Signed | Bruce Zimmermann | — | Atlanta Braves | Atlanta Braves signed LHP Bruce Zimmermann. |
| Jun 21, 2017 | Signed | Jordan Rodgers | — | Atlanta Braves | Atlanta Braves signed 3B Jordan Rodgers. |
| Jun 21, 2017 | Signed | Austin Bush | — | Atlanta Braves | Atlanta Braves signed 1B Austin Bush. |
| Jun 21, 2017 | Signed | Zack Soria | — | Atlanta Braves | Atlanta Braves signed C Zack Soria. |
| Jun 21, 2017 | Signed | Tanner Allison | — | Atlanta Braves | Atlanta Braves signed LHP Tanner Allison. |
| Jun 21, 2017 | Signed | Justin Morhardt | — | Atlanta Braves | Atlanta Braves signed C Justin Morhardt. |
| Jun 21, 2017 | Signed | Troy Conyers | — | Atlanta Braves | Atlanta Braves signed LHP Troy Conyers. |
| Jun 21, 2017 | Signed | Jackson Lourie | — | Atlanta Braves | Atlanta Braves signed RHP Jackson Lourie. |
| Jun 21, 2017 | Signed | Joe DiBenedetto | — | Toronto Blue Jays | Toronto Blue Jays signed LHP Joe DiBenedetto. |
| Jun 21, 2017 | Signed | Alex Manasa | — | Pittsburgh Pirates | Pittsburgh Pirates signed RHP Alex Manasa. |
| Jun 21, 2017 | Signed | Hunter Stratton | — | Pittsburgh Pirates | Pittsburgh Pirates signed RHP Hunter Stratton. |
| Jun 21, 2017 | Signed | Will Reed | — | Pittsburgh Pirates | Pittsburgh Pirates signed RHP Will Reed. |
| Jun 21, 2017 | Signed | Robbie Glendinning | — | Pittsburgh Pirates | Pittsburgh Pirates signed SS Robbie Glendinning. |
| Jun 21, 2017 | Signed | Brett Pope | — | Pittsburgh Pirates | Pittsburgh Pirates signed SS Brett Pope. |
| Jun 21, 2017 | Signed | Ben Bengtson | — | Pittsburgh Pirates | Pittsburgh Pirates signed SS Benjamin Bengtson. |
| Jun 21, 2017 | Signed | Lucas Tancas | — | Pittsburgh Pirates | Pittsburgh Pirates signed OF Lucas Tancas. |
| Jun 21, 2017 | Signed | Matt Seelinger | — | Pittsburgh Pirates | Pittsburgh Pirates signed RHP Matt Seelinger. |
| Jun 21, 2017 | Signed | Tim Susnara | — | Arizona Diamondbacks | Arizona Diamondbacks signed C Tim Susnara. |
| Jun 21, 2017 | Signed | Camden Duzenack | — | Arizona Diamondbacks | Arizona Diamondbacks signed SS Camden Duzenack. |
| Jun 21, 2017 | Signed as free agent | Matt Pobereyko | — | New York Mets | New York Mets signed free agent RHP Matt Pobereyko to a minor league contract. |
| Jun 21, 2017 | Signed | Garrett Benge | — | Boston Red Sox | Boston Red Sox signed 3B Garrett Benge. |
| Jun 21, 2017 | Signed | Kutter Crawford | — | Boston Red Sox | Boston Red Sox signed RHP Kutter Crawford. |
| Jun 21, 2017 | Signed | Dominic LoBrutto | — | Boston Red Sox | Boston Red Sox signed LHP Dominic LoBrutto. |
| Jun 21, 2017 | Signed | Charlie Madden | — | Boston Red Sox | Boston Red Sox signed C Charlie Madden. |
| Jun 21, 2017 | Signed | Frankie Rios | — | Boston Red Sox | Boston Red Sox signed SS Frankie Rios. |
| Jun 21, 2017 | Signed as free agent | Durin O'Linger | — | Boston Red Sox | Boston Red Sox signed free agent RHP Durin O'Linger to a minor league contract. |
| Jun 21, 2017 | Signed | Jalen Washington | — | San Diego Padres | San Diego Padres signed C Jalen Washington. |
| Jun 21, 2017 | Signed | Chandler Seagle | — | San Diego Padres | San Diego Padres signed C Chandler Seagle. |
| Jun 21, 2017 | Signed as free agent | Jhondaniel Medina | — | Los Angeles Angels | Los Angeles Angels signed free agent RHP Jhondaniel Medina to a minor league contract. |
| Jun 21, 2017 | Signed | Cameron Hanes | — | Milwaukee Brewers | Milwaukee Brewers signed RHP Cameron Hanes. |
| Jun 21, 2017 | Signed as free agent | Pat McInerney | — | Milwaukee Brewers | Milwaukee Brewers signed free agent 1B Patrick McInerney to a minor league contract. |
| Jun 21, 2017 | Signed | Trent Autry | — | Arizona Diamondbacks | Arizona Diamondbacks signed RHP Trent Autry. |
| Jun 21, 2017 | Signed | Cole Bartlett | — | Arizona Diamondbacks | Arizona Diamondbacks signed RHP Cole Bartlett. |
| Jun 21, 2017 | Signed as free agent | Carlos Bustamante | — | Arizona Diamondbacks | Arizona Diamondbacks signed free agent RHP Carlos Bustamante to a minor league contract. |
| Jun 21, 2017 | Signed as free agent | Casey Kulina | — | Arizona Diamondbacks | Arizona Diamondbacks signed free agent LHP Casey Kulina to a minor league contract. |
| Jun 21, 2017 | Signed | Zachery Almond | — | Arizona Diamondbacks | Arizona Diamondbacks signed C Zachery Almond. |
| Jun 21, 2017 | Signed | Renae Martinez | — | Arizona Diamondbacks | Arizona Diamondbacks signed C Renae Martinez. |
| Jun 21, 2017 | Signed as free agent | Jose A. Rodriguez | — | Milwaukee Brewers | Milwaukee Brewers signed free agent RHP Jose A. Rodriguez to a minor league contract. |
| Jun 21, 2017 | Signed as free agent | Austin Krzeminski | — | Los Angeles Angels | Los Angeles Angels signed free agent RHP Austin Krzeminski to a minor league contract. |
| Jun 21, 2017 | Signed as free agent | Wes Robertson | — | Texas Rangers | Texas Rangers signed free agent RHP Wes Robertson to a minor league contract. |
| Jun 21, 2017 | Signed | Matt Whatley | — | Texas Rangers | Texas Rangers signed C Matt Whatley. |
| Jun 21, 2017 | Signed | Ryan Dorow | — | Texas Rangers | Texas Rangers signed SS Ryan Dorow. |
| Jun 21, 2017 | Signed | Tyler Ratliff | — | Texas Rangers | Texas Rangers signed 3B Tyler Ratliff. |
| Jun 21, 2017 | Signed | Tyreque Reed | — | Texas Rangers | Texas Rangers signed 1B Tyreque Reed. |
| Jun 21, 2017 | Signed | Obie Ricumstrict | — | Texas Rangers | Texas Rangers signed SS Obie Ricumstrict. |
| Jun 21, 2017 | Signed | Xavier Moore | — | Texas Rangers | Texas Rangers signed RHP Xavier Moore. |
| Jun 21, 2017 | Signed | Seth Nordlin | — | Texas Rangers | Texas Rangers signed RHP Seth Nordlin. |
| Jun 21, 2017 | Signed | Josh Advocate | — | Texas Rangers | Texas Rangers signed RHP Josh Advocate. |
| Jun 21, 2017 | Signed as free agent | Matthew Foley | — | New York Mets | New York Mets signed free agent C Matthew Foley to a minor league contract. |
| Jun 21, 2017 | Signed as free agent | Jake Stone | — | Tampa Bay Rays | Tampa Bay Rays signed free agent OF Jake Stone to a minor league contract. |
| Jun 21, 2017 | Signed as free agent | Kyle Beam | — | Milwaukee Brewers | Milwaukee Brewers signed free agent 1B Kyle Beam to a minor league contract. |
| Jun 21, 2017 | Signed | Sean Barry | — | Chicago Cubs | Chicago Cubs signed RHP Sean Barry. |
| Jun 21, 2017 | Signed | Jackson Klein | — | Kansas City Royals | Kansas City Royals signed RHP Jackson Klein. |
| Jun 21, 2017 | Signed | Brac Warren | — | San Francisco Giants | San Francisco Giants signed RHP Brac Warren. |
| Jun 21, 2017 | Signed | Conner Nurse | — | San Francisco Giants | San Francisco Giants signed RHP Connor Nurse. |
| Jun 21, 2017 | Signed | Doug Still | — | San Francisco Giants | San Francisco Giants signed LHP Doug Still. |
| Jun 21, 2017 | Signed | Frankie Tostado | — | San Francisco Giants | San Francisco Giants signed RF Frankie Tostado. |
| Jun 20, 2017 | Signed | Jason Delay | — | Pittsburgh Pirates | Pittsburgh Pirates signed C Jason Delay. |
| Jun 20, 2017 | Signed | Deon Stafford | — | Pittsburgh Pirates | Pittsburgh Pirates signed C Deon Stafford. |
| Jun 20, 2017 | Signed | Jared Oliva | — | Pittsburgh Pirates | Pittsburgh Pirates signed OF Jared Oliva. |
| Jun 20, 2017 | Signed | Blake Weiman | — | Pittsburgh Pirates | Pittsburgh Pirates signed LHP Blake Weiman. |
| Jun 20, 2017 | Signed | Bligh Madris | — | Pittsburgh Pirates | Pittsburgh Pirates signed OF Bligh Madris. |
| Jun 20, 2017 | Signed | Beau Sulser | — | Pittsburgh Pirates | Pittsburgh Pirates signed RHP Beau Sulser. |
| Jun 20, 2017 | Signed | Tristan Gray | — | Pittsburgh Pirates | Pittsburgh Pirates signed Tristan Gray. |
| Jun 20, 2017 | Signed | Gavin Wallace | — | Pittsburgh Pirates | Pittsburgh Pirates signed RHP Gavin Wallace. |
| Jun 20, 2017 | Signed | Nick Valaika | — | Pittsburgh Pirates | Pittsburgh Pirates signed SS Nick Valaika. |
| Jun 20, 2017 | Signed | Zach Kirtley | — | St. Louis Cardinals | St. Louis Cardinals signed 2B Zach Kirtley. |
| Jun 20, 2017 | Signed | Kevin Hamann | — | St. Louis Cardinals | St. Louis Cardinals signed RHP Kevin Hamann. |
| Jun 20, 2017 | Signed | Kodi Whitley | — | St. Louis Cardinals | St. Louis Cardinals signed RHP Kodi Whitley. |
| Jun 20, 2017 | Signed | C.J. Saylor | — | St. Louis Cardinals | St. Louis Cardinals signed RHP C.J. Saylor. |
| Jun 20, 2017 | Signed | Cameron Knight | — | St. Louis Cardinals | St. Louis Cardinals signed C Cameron Knight. |
| Jun 20, 2017 | Signed | Chris Hunt | — | St. Louis Cardinals | St. Louis Cardinals signed RHP Christopher Hunt. |
| Jun 20, 2017 | Signed as free agent | Joe Gomez | — | St. Louis Cardinals | St. Louis Cardinals signed free agent C Joe Gomez to a minor league contract. |
| Jun 20, 2017 | Signed as free agent | Brady Dragmire | — | Washington Nationals | Washington Nationals signed free agent RHP Brady Dragmire to a minor league contract. |
| Jun 20, 2017 | Signed | Ryan Dease | — | Texas Rangers | Texas Rangers signed RHP Ryan Dease. |
| Jun 20, 2017 | Signed | Jacob Latz | — | Texas Rangers | Texas Rangers signed LHP Jake Latz. |
| Jun 20, 2017 | Signed | Noah Bremer | — | Texas Rangers | Texas Rangers signed RHP Noah Bremer. |
| Jun 20, 2017 | Signed | Joel Urena | — | Texas Rangers | Texas Rangers signed LHP Joel Urena. |
| Jun 20, 2017 | Signed | Tanner Gardner | — | Texas Rangers | Texas Rangers signed OF Tanner Gardner. |
| Jun 20, 2017 | Signed | John King | — | Texas Rangers | Texas Rangers signed LHP John King. |
| Jun 20, 2017 | Signed | Joseph Jarneski | — | Texas Rangers | Texas Rangers signed RHP Joseph Jarneski. |
| Jun 20, 2017 | Signed | Zach Sterry | — | Boston Red Sox | Boston Red Sox signed 1B Zach Sterry. |
| Jun 20, 2017 | Signed | Nick Raquet | — | Washington Nationals | Washington Nationals signed LHP Nick Raquet. |
| Jun 20, 2017 | Signed | Kyle Johnston | — | Washington Nationals | Washington Nationals signed RHP Kyle Johnston. |
| Jun 20, 2017 | Signed | Jackson Tetreault | — | Washington Nationals | Washington Nationals signed RHP Jackson Tetreault. |
| Jun 20, 2017 | Signed | Jared Brasher | — | Washington Nationals | Washington Nationals signed RHP Jared Brasher. |
| Jun 20, 2017 | Signed | Alex Troop | — | Washington Nationals | Washington Nationals signed LHP Alex Troop. |
| Jun 20, 2017 | Signed | Trey Turner | — | Washington Nationals | Washington Nationals signed RHP Trey Turner. |
| Jun 20, 2017 | Signed | Justin Connell | — | Washington Nationals | Washington Nationals signed OF Justin Connell. |
| Jun 20, 2017 | Signed | Jackson Stoeckinger | — | Washington Nationals | Washington Nationals signed LHP Jackson Stoeckinger. |
| Jun 20, 2017 | Signed | Anthony Peroni | — | Washington Nationals | Washington Nationals signed C Anthony Peroni. |
| Jun 20, 2017 | Signed | Jake Scudder | — | Washington Nationals | Washington Nationals signed 1B Jake Scudder. |
| Jun 20, 2017 | Signed | Jared Johnson | — | Washington Nationals | Washington Nationals signed LHP Jared Johnson. |
| Jun 20, 2017 | Signed | Jonathan Pryor | — | Washington Nationals | Washington Nationals signed OF Jonathan Pryor. |
| Jun 20, 2017 | Signed | Jake Cousins | — | Washington Nationals | Washington Nationals signed RHP Jake Cousins. |
| Jun 20, 2017 | Signed | Leif Strom | — | Washington Nationals | Washington Nationals signed RHP Leif Strom. |
| Jun 20, 2017 | Signed | Nelson Galindez | — | Washington Nationals | Washington Nationals signed LHP Nelson Galindez. |
| Jun 20, 2017 | Signed | Jamori Blash | — | Washington Nationals | Washington Nationals signed 1B Jamori Blash. |
| Jun 20, 2017 | Signed | David Smith | — | Washington Nationals | Washington Nationals signed RHP David Smith. |
| Jun 20, 2017 | Signed | Kameron Esthay | — | Washington Nationals | Washington Nationals signed OF Kameron Esthay. |
| Jun 20, 2017 | Signed | Nic Perkins | — | Washington Nationals | Washington Nationals signed C Nic Perkins. |
| Jun 20, 2017 | Signed | Austin Guibor | — | Washington Nationals | Washington Nationals signed OF Austin Guibor. |
| Jun 20, 2017 | Signed | Jeremy McKinney | — | Washington Nationals | Washington Nationals signed RHP Jeremy McKinney. |
| Jun 20, 2017 | Signed | Philip Caulfield | — | Washington Nationals | Washington Nationals signed 2B Phil Caulfield. |
| Jun 20, 2017 | Signed | Adalberto Carrillo | — | Washington Nationals | Washington Nationals signed C Adalberto Carrillo. |
| Jun 20, 2017 | Signed | Jackson Cramer | — | Washington Nationals | Washington Nationals signed 1B Jackson Cramer. |
| Jun 20, 2017 | Signed | Gabe Klobosits | — | Washington Nationals | Washington Nationals signed RHP Gabe Klobosits. |
| Jun 20, 2017 | Signed | Clark Scolamiero | — | Cleveland Guardians | Cleveland Indians signed OF Clark Scolamiero. |
| Jun 20, 2017 | Signed | Tyler Friis | — | Cleveland Guardians | Cleveland Indians signed 2B Tyler Friis. |
| Jun 20, 2017 | Signed | Riley Echols | — | Cleveland Guardians | Cleveland Indians signed RHP Riley Echols. |
| Jun 20, 2017 | Signed | Jake Dahlberg | — | St. Louis Cardinals | St. Louis Cardinals signed LHP Jake Dahlberg. |
| Jun 20, 2017 | Signed | Tyler Ivey | — | Houston Astros | Houston Astros signed RHP Tyler Ivey. |
| Jun 20, 2017 | Signed | Corey Julks | — | Houston Astros | Houston Astros signed CF Corey Julks. |
| Jun 20, 2017 | Signed | Nathan Perry | — | Houston Astros | Houston Astros signed C Nathan Perry. |
| Jun 20, 2017 | Signed | Jake Adams | — | Houston Astros | Houston Astros signed 1B Jake Adams. |
| Jun 20, 2017 | Signed | Kyle Davis | — | Houston Astros | Houston Astros signed 3B Kyle Davis. |
| Jun 20, 2017 | Signed | Tim Hardy | — | Houston Astros | Houston Astros signed LHP Tim Hardy. |
| Jun 20, 2017 | Signed | Hunter Martin | — | Houston Astros | Houston Astros signed RHP Hunter Martin. |
| Jun 20, 2017 | Signed | Alex House | — | Houston Astros | Houston Astros signed RHP Alex House. |
| Jun 20, 2017 | Signed | Reid Russell | — | Houston Astros | Houston Astros signed OF Reid Russell. |
| Jun 20, 2017 | Signed | Austin Beck | — | Athletics | Oakland Athletics signed CF Austin Beck. |
| Jun 20, 2017 | Signed | Kevin Merrell | — | Athletics | Oakland Athletics signed SS Kevin Merrell. |
| Jun 20, 2017 | Signed | Will Toffey | — | Athletics | Oakland Athletics signed 3B Will Toffey. |
| Jun 20, 2017 | Signed | Santis Sanchez | — | Athletics | Oakland Athletics signed C Santi Sanchez. |
| Jun 20, 2017 | Signed | Logan Salow | — | Athletics | Oakland Athletics signed LHP Logan Salow. |
| Jun 20, 2017 | Signed | Parker Dunshee | — | Athletics | Oakland Athletics signed RHP Parker Dunshee. |
| Jun 20, 2017 | Signed | Jack Meggs | — | Athletics | Oakland Athletics signed CF Jack Meggs. |
| Jun 20, 2017 | Signed | Ryan Gridley | — | Athletics | Oakland Athletics signed 2B Ryan Gridley. |
| Jun 20, 2017 | Signed | Aaron Arruda | — | Athletics | Oakland Athletics signed 1B Aaron Arruda. |
| Jun 20, 2017 | Signed | Wyatt Marks | — | Athletics | Oakland Athletics signed RHP Wyatt Marks. |
| Jun 20, 2017 | Signed | Josh Reagan | — | Athletics | Oakland Athletics signed LHP Josh Reagan. |
| Jun 20, 2017 | Signed | Payton Squier | — | Athletics | Oakland Athletics signed OF Payton Squier. |
| Jun 20, 2017 | Signed | Josh Falk | — | Athletics | Oakland Athletics signed RHP Josh Falk. |
| Jun 20, 2017 | Signed | Mickey McDonald | — | Athletics | Oakland Athletics signed CF Raymond McDonald. |
| Jun 20, 2017 | Signed | Michael Danielak | — | Athletics | Oakland Athletics signed RHP Michael Danielak. |
| Jun 20, 2017 | Signed | Osvaldo Berrios | — | Athletics | Oakland Athletics signed RHP Osvaldo Berrios. |
| Jun 20, 2017 | Signed | Heath Donica | — | Athletics | Oakland Athletics signed RHP Heath Donica. |
| Jun 20, 2017 | Signed | Bryce Conley | — | Athletics | Oakland Athletics signed RHP Bryce Conley. |
| Jun 20, 2017 | Signed | Malik Jones | — | Athletics | Oakland Athletics signed RHP Malik Jones. |
| Jun 20, 2017 | Signed | Slater Lee | — | Athletics | Oakland Athletics signed RHP Slater Lee. |
| Jun 20, 2017 | Signed | Hunter Hargrove | — | Athletics | Oakland Athletics signed 1B Hunter Hargrove. |
| Jun 20, 2017 | Signed | Ben Spitznagel | — | Athletics | Oakland Athletics signed CF Ben Spitznagel. |
| Jun 20, 2017 | Signed | Pat Krall | — | Athletics | Oakland Athletics signed LHP Pat Krall. |
| Jun 20, 2017 | Signed | Adam Reuss | — | Athletics | Oakland Athletics signed RHP Adam Reuss. |
| Jun 20, 2017 | Signed | Cody Puckett | — | Athletics | Oakland Athletics signed LHP Cody Puckett. |
| Jun 20, 2017 | Signed | Brandon Withers | — | Athletics | Oakland Athletics signed RHP Brandon Withers. |
| Jun 20, 2017 | Signed | Caleb Evans | — | Athletics | Oakland Athletics signed RHP Caleb Evans. |
| Jun 20, 2017 | Signed | Jake Lumley | — | Athletics | Oakland Athletics signed 2B Jake Lumley. |
| Jun 20, 2017 | Signed | Justin Jones | — | Athletics | Oakland Athletics signed 2B Justin Jones. |
| Jun 20, 2017 | Signed | Cooper Goldby | — | Athletics | Oakland Athletics signed C Cooper Goldby. |
| Jun 20, 2017 | Signed | Logan Farrar | — | Athletics | Oakland Athletics signed OF Logan Farrar. |
| Jun 20, 2017 | Signed | Cal Mitchell | — | Pittsburgh Pirates | Pittsburgh Pirates signed OF Calvin Mitchell. |
| Jun 20, 2017 | Signed | Conner Uselton | — | Pittsburgh Pirates | Pittsburgh Pirates signed OF Conner Uselton. |
| Jun 20, 2017 | Signed | Gunnar Kines | — | New York Mets | New York Mets signed LHP Gunnar Kines. |
| Jun 20, 2017 | Signed | Jacob Belinda | — | Atlanta Braves | Atlanta Braves signed RHP Jacob Belinda. |
| Jun 20, 2017 | Signed | John Curtis | — | Atlanta Braves | Atlanta Braves signed LHP John Curtis. |
| Jun 20, 2017 | Signed | Cutter Dyals | — | Atlanta Braves | Atlanta Braves signed RHP Cutter Dyals. |
| Jun 20, 2017 | Signed | Landon Hughes | — | Atlanta Braves | Atlanta Braves signed RHP Landon Hughes. |
| Jun 20, 2017 | Signed | Connor Johnstone | — | Atlanta Braves | Atlanta Braves signed RHP Jeffrey Johnstone. |
| Jun 20, 2017 | Signed | Connor Simmons | — | Atlanta Braves | Atlanta Braves signed LHP Connor Simmons. |
| Jun 20, 2017 | Signed | Keith Weisenberg | — | Atlanta Braves | Atlanta Braves signed RHP Keith Weisenberg. |
| Jun 20, 2017 | Signed | Drew Lugbauer | — | Atlanta Braves | Atlanta Braves signed C Drew Lugbauer. |
| Jun 20, 2017 | Signed | Hagen Owenby | — | Atlanta Braves | Atlanta Braves signed C Hagen Owenby. |
| Jun 20, 2017 | Signed | Riley Delgado | — | Atlanta Braves | Atlanta Braves signed SS Riley Delgado. |
| Jun 20, 2017 | Signed | Garrison Schwartz | — | Atlanta Braves | Atlanta Braves signed OF Garrison Schwartz. |
| Jun 20, 2017 | Signed | Jonathan Teaney | — | Cleveland Guardians | Cleveland Indians signed RHP Jonathan Teaney. |
| Jun 20, 2017 | Signed | Garrett Anderson | — | Tampa Bay Rays | Tampa Bay Rays signed RHP Garrett Anderson. |
| Jun 20, 2017 | Signed | Tyler Day | — | Tampa Bay Rays | Tampa Bay Rays signed RHP Tyler Day. |
| Jun 20, 2017 | Signed | Josh Fleming | — | Tampa Bay Rays | Tampa Bay Rays signed LHP Josh Fleming. |
| Jun 20, 2017 | Signed | Riley O'Brien | — | Tampa Bay Rays | Tampa Bay Rays signed RHP Riley O'Brien. |
| Jun 20, 2017 | Signed | Phoenix Sanders | — | Tampa Bay Rays | Tampa Bay Rays signed RHP Phoenix Sanders. |
| Jun 20, 2017 | Signed | Andrew Miller | — | Tampa Bay Rays | Tampa Bay Rays signed C Andrew Miller. |
| Jun 20, 2017 | Signed | Trey Hair | — | Tampa Bay Rays | Tampa Bay Rays signed 2B Trey Hair. |
| Jun 20, 2017 | Signed | Zach Rutherford | — | Tampa Bay Rays | Tampa Bay Rays signed SS Zach Rutherford. |
| Jun 20, 2017 | Signed | Seaver Whalen | — | Tampa Bay Rays | Tampa Bay Rays signed SS Seaver Whalen. |
| Jun 20, 2017 | Signed | Bryce Brown | — | Tampa Bay Rays | Tampa Bay Rays signed OF Bryce Brown. |
| Jun 20, 2017 | Signed | Carl Chester | — | Tampa Bay Rays | Tampa Bay Rays signed OF Carl Chester. |
| Jun 20, 2017 | Signed as free agent | Michael Austin | — | Kansas City Royals | Kansas City Royals signed free agent RHP Michael Austin to a minor league contract. |
| Jun 20, 2017 | Signed as free agent | Hunter Jarmon | — | San Diego Padres | San Diego Padres signed free agent OF Hunter Jarmon to a minor league contract. |
| Jun 20, 2017 | Signed as free agent | Kipp Moore | — | Philadelphia Phillies | Philadelphia Phillies signed free agent C Kipp Moore to a minor league contract. |
| Jun 20, 2017 | Signed | Brian Mims | — | Philadelphia Phillies | Philadelphia Phillies signed 2B Brian Mims. |
| Jun 20, 2017 | Signed | Austin Listi | — | Philadelphia Phillies | Philadelphia Phillies signed OF Austin Listi. |
| Jun 20, 2017 | Signed | Zach Warren | — | Philadelphia Phillies | Philadelphia Phillies signed LHP Zach Warren. |
| Jun 20, 2017 | Signed | Addison Russ | — | Philadelphia Phillies | Philadelphia Phillies signed RHP Addison Russ. |
| Jun 20, 2017 | Signed | Connor Strain | — | Los Angeles Dodgers | Los Angeles Dodgers signed RHP Connor Strain. |
| Jun 20, 2017 | Signed | Jonathan Lacroix | — | Houston Astros | Houston Astros signed OF Jonathan Lacroix. |
| Jun 20, 2017 | Signed | Mac Lozer | — | New York Mets | New York Mets signed RHP Mac Lozer. |
| Jun 20, 2017 | Signed | Justin Bridgman | — | Tampa Bay Rays | Tampa Bay Rays signed SS Justin Bridgman. |
| Jun 20, 2017 | Signed | Jake Dahlberg | — | St. Louis Cardinals | St. Louis Cardinals signed LHP Jake Dahlberg. |
| Jun 19, 2017 | Signed as free agent | Roberto Delgado | — | Milwaukee Brewers | Milwaukee Brewers signed free agent RHP Roberto Delgado to a minor league contract. |
| Jun 19, 2017 | Signed | Evan Kruczynski | — | St. Louis Cardinals | St. Louis Cardinals signed LHP Evan Kruczynski. |
| Jun 19, 2017 | Signed | Brett Seeburger | — | St. Louis Cardinals | St. Louis Cardinals signed LHP Brett Seeburger. |
| Jun 19, 2017 | Signed | Jake Walsh | — | St. Louis Cardinals | St. Louis Cardinals signed RHP Jake Walsh. |
| Jun 19, 2017 | Signed | Irving Lopez | — | St. Louis Cardinals | St. Louis Cardinals signed 2B Irving Lopez. |
| Jun 19, 2017 | Signed | Evan Guillory | — | St. Louis Cardinals | St. Louis Cardinals signed RHP Evan Guillory. |
| Jun 19, 2017 | Signed | Thomas St. Clair | — | St. Louis Cardinals | St. Louis Cardinals signed RHP Thomas St. Clair. |
| Jun 19, 2017 | Signed | Patrick Dayton | — | St. Louis Cardinals | St. Louis Cardinals signed LHP Patrick Dayton. |
| Jun 19, 2017 | Signed | Michael Brdar | — | St. Louis Cardinals | St. Louis Cardinals signed SS Michael Brdar. |
| Jun 19, 2017 | Signed | Wood Myers | — | St. Louis Cardinals | St. Louis Cardinals signed 2B Wood Myers. |
| Jun 19, 2017 | Signed | Brett Stephens | — | Colorado Rockies | Colorado Rockies signed OF Brett Stephens. |
| Jun 19, 2017 | Signed | Nick Pratto | — | Kansas City Royals | Kansas City Royals signed 1B Nick Pratto. |
| Jun 19, 2017 | Released | Neftalí Feliz | — | Milwaukee Brewers | Milwaukee Brewers released RHP Neftali Feliz. |
| Jun 19, 2017 | Signed | Nick Hutchins | — | Kansas City Royals | Kansas City Royals signed C Nick Hutchins. |
| Jun 19, 2017 | Signed | Pedro Alfonseca | — | Cleveland Guardians | Cleveland Indians signed OF Pedro Alfonseca. |
| Jun 19, 2017 | Signed | Chandler Ferguson | — | Cleveland Guardians | Cleveland Indians signed RHP Chandler Ferguson. |
| Jun 19, 2017 | Signed | Tre Gantt | — | Cleveland Guardians | Cleveland Indians signed OF Tre Gantt. |
| Jun 19, 2017 | Signed | Riley Adams | — | Toronto Blue Jays | Toronto Blue Jays signed C Riley Adams. |
| Jun 19, 2017 | Signed | Kevin Smith | — | Toronto Blue Jays | Toronto Blue Jays signed SS Kevin Smith. |
| Jun 19, 2017 | Signed | Cullen Large | — | Toronto Blue Jays | Toronto Blue Jays signed 2B Cullen Large. |
| Jun 19, 2017 | Signed | Brock Lundquist | — | Toronto Blue Jays | Toronto Blue Jays signed OF Brock Lundquist. |
| Jun 19, 2017 | Signed | Colton Laws | — | Toronto Blue Jays | Toronto Blue Jays signed RHP Colton Laws. |
| Jun 19, 2017 | Signed | Kacy Clemens | — | Toronto Blue Jays | Toronto Blue Jays signed 1B Kacy Clemens. |
| Jun 19, 2017 | Signed | Zach Logue | — | Toronto Blue Jays | Toronto Blue Jays signed LHP Zach Logue. |
| Jun 19, 2017 | Signed | Justin Dillon | — | Toronto Blue Jays | Toronto Blue Jays signed RHP Justin Dillon. |
| Jun 19, 2017 | Signed | Donnie Sellers | — | Toronto Blue Jays | Toronto Blue Jays signed RHP Donnie Sellers. |
| Jun 19, 2017 | Signed | Matt Shannon | — | Toronto Blue Jays | Toronto Blue Jays signed RHP Matt Shannon. |
| Jun 19, 2017 | Signed | Ryan Noda | — | Toronto Blue Jays | Toronto Blue Jays signed 1B Ryan Noda. |
| Jun 19, 2017 | Signed | Ty Tice | — | Toronto Blue Jays | Toronto Blue Jays signed RHP Ty Tice. |
| Jun 19, 2017 | Signed | Jordan Barrett | — | Toronto Blue Jays | Toronto Blue Jays signed LHP Jordan Barrett. |
| Jun 19, 2017 | Signed | Tanner Kirwer | — | Toronto Blue Jays | Toronto Blue Jays signed SS Tanner Kirwer. |
| Jun 19, 2017 | Signed | DJ Neal | — | Toronto Blue Jays | Toronto Blue Jays signed RF DJ Neal. |
| Jun 19, 2017 | Signed | Unnamed | — | Toronto Blue Jays | Toronto Blue Jays signed LHP Joseph DiBenedetto. |
| Jun 19, 2017 | Signed | Reilly Johnson | — | Toronto Blue Jays | Toronto Blue Jays signed C Reilly Johnson. |
| Jun 19, 2017 | Signed | Graham Spraker | — | Toronto Blue Jays | Toronto Blue Jays signed RHP Graham Spraker. |
| Jun 19, 2017 | Signed | Matt Gunter | — | Toronto Blue Jays | Toronto Blue Jays signed LHP Matthew Gunter. |
| Jun 19, 2017 | Signed | Maverik Buffo | — | Toronto Blue Jays | Toronto Blue Jays signed RHP Maverik Buffo. |
| Jun 19, 2017 | Signed | Brandon Polizzi | — | Toronto Blue Jays | Toronto Blue Jays signed OF Brandon Polizzi. |
| Jun 19, 2017 | Signed | Jonathan Cheshire | — | Toronto Blue Jays | Toronto Blue Jays signed RHP Jonathan Cheshire. |
| Jun 19, 2017 | Signed | Justin Watts | — | Toronto Blue Jays | Toronto Blue Jays signed RHP Justin Watts. |
| Jun 19, 2017 | Signed | Marcus Reyes | — | Toronto Blue Jays | Toronto Blue Jays signed LHP Marcus Reyes. |
| Jun 19, 2017 | Signed as free agent | Brady Muller | — | Arizona Diamondbacks | Arizona Diamondbacks signed free agent LHP Brady Muller to a minor league contract. |
| Jun 19, 2017 | Signed | Lukas Young | — | Boston Red Sox | Boston Red Sox signed RHP Lukas Young. |
| Jun 19, 2017 | Signed | Tony Dibrell | — | New York Mets | New York Mets signed RHP Tony Dibrell. |
| Jun 19, 2017 | Signed | Marcel Rentería | — | New York Mets | New York Mets signed RHP Marcel Renteria. |
| Jun 19, 2017 | Signed | Conner O'Neil | — | New York Mets | New York Mets signed RHP Connor O'Neil. |
| Jun 19, 2017 | Signed | Trey Cobb | — | New York Mets | New York Mets signed RHP Trey Cobb. |
| Jun 19, 2017 | Signed | Cannon Chadwick | — | New York Mets | New York Mets signed RHP Cannon Chadwick. |
| Jun 19, 2017 | Signed | Stephen Villines | — | New York Mets | New York Mets signed RHP Stephen Villines. |
| Jun 19, 2017 | Signed | Nate Peden | — | New York Mets | New York Mets signed RHP Nate Peden. |
| Jun 19, 2017 | Signed | Joshua Payne | — | New York Mets | New York Mets signed RHP Joshua Payne. |
| Jun 19, 2017 | Signed | Joe Cavallaro | — | New York Mets | New York Mets signed RHP Joe Cavallaro. |
| Jun 19, 2017 | Signed | Billy Oxford | — | New York Mets | New York Mets signed RHP Billy Oxford. |
| Jun 19, 2017 | Signed | Liam McCall | — | New York Mets | New York Mets signed RHP Liam McCall. |
| Jun 19, 2017 | Signed | Ryan Selmer | — | New York Mets | New York Mets signed RHP Ryan Selmer. |
| Jun 19, 2017 | Signed | Noah Nunez | — | New York Mets | New York Mets signed RHP Noah Nunez. |
| Jun 19, 2017 | Signed | Dylan Snypes | — | New York Mets | New York Mets signed SS Dylan Snypes. |
| Jun 19, 2017 | Signed | Carl Stajduhar | — | New York Mets | New York Mets signed 1B Carl Stajduhar. |
| Jun 19, 2017 | Signed | Gavin Garay | — | New York Mets | New York Mets signed SS Gavin Garay. |
| Jun 19, 2017 | Signed | Jeremy Vasquez | — | New York Mets | New York Mets signed 1B Jeremy Vasquez. |
| Jun 19, 2017 | Signed | Aaron Ford | — | New York Mets | New York Mets signed LHP Aaron Ford. |
| Jun 19, 2017 | Signed | Julian Sierra | — | New York Mets | New York Mets signed LHP Jose Sierra. |
| Jun 19, 2017 | Signed | Robby Kidwell | — | New York Mets | New York Mets signed C Robby Kidwell. |
| Jun 19, 2017 | Signed | Justin Smith | — | Atlanta Braves | Atlanta Braves signed OF Justin Smith. |
| Jun 19, 2017 | Signed | Zach Jarrett | — | Baltimore Orioles | Baltimore Orioles signed OF Zach Jarrett. |
| Jun 19, 2017 | Signed | T.J. Nichting | — | Baltimore Orioles | Baltimore Orioles signed OF T.J. Nichting. |
| Jun 19, 2017 | Signed as free agent | Jack Larsen | — | Seattle Mariners | Seattle Mariners signed free agent OF Jack Larsen to a minor league contract. |
| Jun 19, 2017 | Signed as free agent | Austin Hamilton | — | Los Angeles Dodgers | Los Angeles Dodgers signed free agent LHP Austin Hamilton to a minor league contract. |
| Jun 19, 2017 | Signed as free agent | Eric Peterson | — | Los Angeles Dodgers | Los Angeles Dodgers signed free agent 2B Eric Peterson to a minor league contract. |
| Jun 19, 2017 | Signed as free agent | Amaury Telemaco | — | Los Angeles Dodgers | Los Angeles Dodgers signed free agent RHP Amaury Telemaco to a minor league contract. |
| Jun 19, 2017 | Signed as free agent | Jacob Roberts | — | Los Angeles Dodgers | Los Angeles Dodgers signed free agent C Jacob Roberts to a minor league contract. |
| Jun 19, 2017 | Signed | Rylan Bannon | — | Los Angeles Dodgers | Los Angeles Dodgers signed 3B Rylan Bannon. |
| Jun 19, 2017 | Signed | Tyler Adkison | — | Los Angeles Dodgers | Los Angeles Dodgers signed OF Tyler Adkison. |
| Jun 19, 2017 | Signed | Vincent Byrd | — | Tampa Bay Rays | Tampa Bay Rays signed 1B Vincent Byrd. |
| Jun 19, 2017 | Signed | Cameron Ming | — | Baltimore Orioles | Baltimore Orioles signed LHP Cameron Ming. |
| Jun 19, 2017 | Signed | Ryan Wilson | — | Baltimore Orioles | Baltimore Orioles signed LHP Ryan Wilson. |
| Jun 19, 2017 | Signed | Jake Meyers | — | Houston Astros | Houston Astros signed OF Jacob Meyers. |
| Jun 19, 2017 | Signed | Jimmy Murphy | — | Baltimore Orioles | Baltimore Orioles signed RHP Jimmy Murphy. |
| Jun 19, 2017 | Signed | Reed Hayes | — | Baltimore Orioles | Baltimore Orioles signed RHP Reed Hayes. |
| Jun 19, 2017 | Signed | Taylor Walls | — | Tampa Bay Rays | Tampa Bay Rays signed 3B Taylor Walls. |
| Jun 19, 2017 | Signed | Evan Skoug | — | Chicago White Sox | Chicago White Sox signed C Evan Skoug. |
| Jun 19, 2017 | Signed | Logan Taylor | — | Chicago White Sox | Chicago White Sox signed OF Logan Taylor. |
| Jun 19, 2017 | Signed | Zach Pop | — | Los Angeles Dodgers | Los Angeles Dodgers signed RHP Zach Pop. |
| Jun 19, 2017 | Signed | Marshall Kasowski | — | Los Angeles Dodgers | Los Angeles Dodgers signed RHP Marshall Kasowski. |
| Jun 19, 2017 | Signed | Brett de Geus | — | Los Angeles Dodgers | Los Angeles Dodgers signed RHP Brett De Geus. |
| Jun 19, 2017 | Signed | Corey Merrill | — | Los Angeles Dodgers | Los Angeles Dodgers signed RHP Corey Merrill. |
| Jun 19, 2017 | Signed | Mitchell Traver | — | Los Angeles Angels | Los Angeles Angels signed RHP Mitchell Traver. |
| Jun 19, 2017 | Signed | Kade McClure | — | Chicago White Sox | Chicago White Sox signed RHP Kade McClure. |
| Jun 19, 2017 | Signed | Mason McCoy | — | Baltimore Orioles | Baltimore Orioles signed SS Mason McCoy. |
| Jun 18, 2017 | Signed | Evan White | — | Seattle Mariners | Seattle Mariners signed 1B Evan White. |
| Jun 18, 2017 | Signed | Wyatt Mills | — | Seattle Mariners | Seattle Mariners signed RHP Wyatt Mills. |
| Jun 18, 2017 | Signed | Seth Elledge | — | Seattle Mariners | Seattle Mariners signed RHP Seth Elledge. |
| Jun 18, 2017 | Signed | David Bañuelos | — | Seattle Mariners | Seattle Mariners signed C David Banuelos. |
| Jun 18, 2017 | Signed | Oliver Jaskie | — | Seattle Mariners | Seattle Mariners signed LHP Oliver Jaskie. |
| Jun 18, 2017 | Signed | Max Roberts | — | Seattle Mariners | Seattle Mariners signed LHP Max Roberts. |
| Jun 18, 2017 | Signed | Billy Cooke | — | Seattle Mariners | Seattle Mariners signed CF Billy Cooke. |
| Jun 18, 2017 | Signed | Jorge Benitez | — | Seattle Mariners | Seattle Mariners signed LHP Jorge Benitez. |
| Jun 18, 2017 | Signed | Randy Bell | — | Seattle Mariners | Seattle Mariners signed RHP Randy Bell. |
| Jun 18, 2017 | Signed | JP Sears | — | Seattle Mariners | Seattle Mariners signed LHP JP Sears. |
| Jun 18, 2017 | Signed | Darren McCaughan | — | Seattle Mariners | Seattle Mariners signed RHP Darren McCaughan. |
| Jun 18, 2017 | Signed | Kevin Santa | — | Seattle Mariners | Seattle Mariners signed SS Kevin Santa. |
| Jun 18, 2017 | Signed | Troy Dixon | — | Seattle Mariners | Seattle Mariners signed C Troy Dixon. |
| Jun 18, 2017 | Signed | Connor Hoover | — | Seattle Mariners | Seattle Mariners signed SS Connor Hoover. |
| Jun 18, 2017 | Signed | Johnny Adams | — | Seattle Mariners | Seattle Mariners signed SS Johnny Adams. |
| Jun 18, 2017 | Signed | Sam Delaplane | — | Seattle Mariners | Seattle Mariners signed RHP Sam Delaplane. |
| Jun 18, 2017 | Signed | Louis Boyd | — | Seattle Mariners | Seattle Mariners signed SS Louis Boyd. |
| Jun 18, 2017 | Signed | Bryan Pall | — | Seattle Mariners | Seattle Mariners signed RHP Bryan Pall. |
| Jun 18, 2017 | Signed | Austin Hutchison | — | Seattle Mariners | Seattle Mariners signed RHP Austin Hutchison. |
| Jun 18, 2017 | Signed | Collin Kober | — | Seattle Mariners | Seattle Mariners signed RHP Collin Kober. |
| Jun 18, 2017 | Signed | Johnny Slater | — | Seattle Mariners | Seattle Mariners signed CF Johnny Slater. |
| Jun 18, 2017 | Signed | David Gerber | — | Seattle Mariners | Seattle Mariners signed RHP David Gerber. |
| Jun 18, 2017 | Signed | Scott Boches | — | Seattle Mariners | Seattle Mariners signed RHP Scott Boches. |
| Jun 18, 2017 | Signed | Ryan Costello | — | Seattle Mariners | Seattle Mariners signed 3B Ryan Costello. |
| Jun 18, 2017 | Signed | Ryan Garcia | — | Seattle Mariners | Seattle Mariners signed 1B Ryan Garcia. |
| Jun 18, 2017 | Signed | David Hesslink | — | Seattle Mariners | Seattle Mariners signed LHP David Hesslink. |
| Jun 18, 2017 | Signed | Denny Brady | — | Los Angeles Angels | Los Angeles Angels signed RHP Denny Brady. |
| Jun 18, 2017 | Signed | Brett Hanewich | — | Los Angeles Angels | Los Angeles Angels signed RHP Brett Hanewich. |
| Jun 18, 2017 | Signed | Jon Malmin | — | Los Angeles Angels | Los Angeles Angels signed LHP Jon Malmin. |
| Jun 18, 2017 | Signed | Isaac Mattson | — | Los Angeles Angels | Los Angeles Angels signed RHP Isaac Mattson. |
| Jun 18, 2017 | Signed | Daniel Procopio | — | Los Angeles Angels | Los Angeles Angels signed RHP Daniel Procopio. |
| Jun 18, 2017 | Signed | Connor Riley | — | Los Angeles Angels | Los Angeles Angels signed RHP Connor Riley. |
| Jun 18, 2017 | Signed as free agent | Zac Ryan | — | Los Angeles Angels | Los Angeles Angels signed free agent RHP Zac Ryan to a minor league contract. |
| Jun 18, 2017 | Signed | James Ziemba | — | Los Angeles Angels | Los Angeles Angels signed LHP James Ziemba. |
| Jun 18, 2017 | Signed | Tyler Stevens | — | Los Angeles Angels | Los Angeles Angels signed RHP Tyler Stevens. |
| Jun 18, 2017 | Signed | Harrison Wenson | — | Los Angeles Angels | Los Angeles Angels signed C Harrison Wenson. |
| Jun 18, 2017 | Signed | Bernabe Camargo | — | Los Angeles Angels | Los Angeles Angels signed SS Bernabe Camargo. |
| Jun 18, 2017 | Signed | David MacKinnon | — | Los Angeles Angels | Los Angeles Angels signed 1B David MacKinnon. |
| Jun 18, 2017 | Signed | Matt McCann | — | Los Angeles Angels | Los Angeles Angels signed SS Matt McCann. |
| Jun 18, 2017 | Signed | Brandon Sandoval | — | Los Angeles Angels | Los Angeles Angels signed CF Brandon Sandoval. |
| Jun 18, 2017 | Signed | Jonah Todd | — | Los Angeles Angels | Los Angeles Angels signed OF Jonah Todd. |
| Jun 18, 2017 | Signed | Kevin Williams Jr. | — | Los Angeles Angels | Los Angeles Angels signed LF Kevin Williams. |
| Jun 18, 2017 | Signed | Tyler Buffett | — | Cincinnati Reds | Cincinnati Reds signed RHP Tyler Buffett. |
| Jun 18, 2017 | Signed | Robby Howell | — | Cincinnati Reds | Cincinnati Reds signed RHP Robby Howell. |
| Jun 18, 2017 | Signed | Packy Naughton | — | Cincinnati Reds | Cincinnati Reds signed LHP Packy Naughton. |
| Jun 18, 2017 | Signed | Ryan Nutof | — | Cincinnati Reds | Cincinnati Reds signed RHP Ryan Nutof. |
| Jun 18, 2017 | Signed | Connor Ryan | — | Cincinnati Reds | Cincinnati Reds signed RHP Connor Ryan. |
| Jun 18, 2017 | Signed as free agent | Chris Rearick | — | Los Angeles Dodgers | Los Angeles Dodgers signed free agent LHP Chris Rearick to a minor league contract. |
| Jun 18, 2017 | Signed | Will Latcham | — | St. Louis Cardinals | St. Louis Cardinals signed RHP Will Latcham. |
| Jun 18, 2017 | Signed | Evan Mendoza | — | St. Louis Cardinals | St. Louis Cardinals signed RHP Evan Mendoza. |
| Jun 18, 2017 | Signed | Brandon Benson | — | St. Louis Cardinals | St. Louis Cardinals signed OF Brandon Benson. |
| Jun 18, 2017 | Signed | J.D. Crowe | — | St. Louis Cardinals | St. Louis Cardinals signed OF J.D, Crowe. |
| Jun 18, 2017 | Signed | Tyler Johnson | — | Chicago White Sox | Chicago White Sox signed RHP Tyler Johnson. |
| Jun 18, 2017 | Signed | Will Kincanon | — | Chicago White Sox | Chicago White Sox signed RHP Will Kincanon. |
| Jun 18, 2017 | Signed | Joe Mockbee | — | Chicago White Sox | Chicago White Sox signed LHP Joe Mockbee. |
| Jun 18, 2017 | Signed | J.B. Olson | — | Chicago White Sox | Chicago White Sox signed RHP J.B. Olson. |
| Jun 18, 2017 | Signed | Parker Rigler | — | Chicago White Sox | Chicago White Sox signed LHP Parker Rigler. |
| Jun 18, 2017 | Signed | Justin Yurchak | — | Chicago White Sox | Chicago White Sox signed 3B Justin Yurchak. |
| Jun 18, 2017 | Signed | Craig Dedelow | — | Chicago White Sox | Chicago White Sox signed OF Craig Dedelow. |
| Jun 18, 2017 | Signed | Tyler Frost | — | Chicago White Sox | Chicago White Sox signed OF Tyler Frost. |
| Jun 18, 2017 | Signed | Luis González | — | Chicago White Sox | Chicago White Sox signed OF Luis Gonzalez. |
| Jun 18, 2017 | Signed | Hunter Schryver | — | Tampa Bay Rays | Tampa Bay Rays signed LHP Hunter Schryver. |
| Jun 18, 2017 | Signed | Casey Golden | — | Colorado Rockies | Colorado Rockies signed OF Casey Golden. |
| Jun 18, 2017 | Signed | Joey Bartosic | — | Colorado Rockies | Colorado Rockies signed OF Joey Bartosic. |
| Jun 18, 2017 | Signed | Nic Motley | — | Colorado Rockies | Colorado Rockies signed C Nic Motley. |
| Jun 18, 2017 | Signed | Jeff Bohling | — | Colorado Rockies | Colorado Rockies signed 3B Jeff Bohling. |
| Jun 18, 2017 | Signed | Todd Czinege | — | Colorado Rockies | Colorado Rockies signed 2B Todd Czinege. |
| Jun 18, 2017 | Signed as free agent | Jordan Ebert | — | Colorado Rockies | Colorado Rockies signed free agent 2B Jordan Ebert to a minor league contract. |
| Jun 18, 2017 | Signed | Jeff Moberg | — | Colorado Rockies | Colorado Rockies signed 2B Jeff Moberg. |
| Jun 18, 2017 | Signed | Alan Trejo | — | Colorado Rockies | Colorado Rockies signed SS Alan Trejo. |
| Jun 18, 2017 | Signed | Michael Agis | — | Colorado Rockies | Colorado Rockies signed RHP Michael Agis. |
| Jun 18, 2017 | Signed | Reagan Biechler | — | Colorado Rockies | Colorado Rockies signed LHP Reagan Biechler. |
| Jun 18, 2017 | Signed | Lucas Gilbreath | — | Colorado Rockies | Colorado Rockies signed LHP Lucas Gilbreath. |
| Jun 18, 2017 | Signed | Colton Hathcock | — | Colorado Rockies | Colorado Rockies signed RHP Colton Hathcock. |
| Jun 18, 2017 | Signed | Brandon Lambright | — | Colorado Rockies | Colorado Rockies signed RHP Brandon Lambright. |
| Jun 18, 2017 | Signed | Hayden Roberts | — | Colorado Rockies | Colorado Rockies signed RHP Hayden Roberts. |
| Jun 18, 2017 | Signed | Shameko Smith | — | Colorado Rockies | Colorado Rockies signed RHP Shameko Smith. |
| Jun 18, 2017 | Signed | Derrik Watson | — | Colorado Rockies | Colorado Rockies signed RHP Derrik Watson. |
| Jun 18, 2017 | Signed | Hunter Williams | — | Colorado Rockies | Colorado Rockies signed LHP Hunter Williams. |
| Jun 18, 2017 | Signed | Michael Gigliotti | — | Kansas City Royals | Kansas City Royals signed OF Michael Gigliotti. |
| Jun 18, 2017 | Signed | Reed Rohlman | — | Kansas City Royals | Kansas City Royals signed OF Reed Rohlman. |
| Jun 18, 2017 | Signed | J.C. Cloney | — | Kansas City Royals | Kansas City Royals signed LHP J.C. Cloney. |
| Jun 18, 2017 | Signed | Tyler Zuber | — | Kansas City Royals | Kansas City Royals signed RHP Tyler Zuber. |
| Jun 18, 2017 | Signed | Collin Snider | — | Kansas City Royals | Kansas City Royals signed RHP Collin Snider. |
| Jun 18, 2017 | Signed | Jacob Patterson | — | St. Louis Cardinals | St. Louis Cardinals signed LHP Jacob Patterson. |
| Jun 18, 2017 | Signed | Mikey Duarte | — | Chicago White Sox | Chicago White Sox signed SS Mikey Duarte. |
| Jun 18, 2017 | Signed as free agent | Josh Walker | — | New York Mets | New York Mets signed free agent LHP Joshua Walker to a minor league contract. |
| Jun 18, 2017 | Signed | James Marinan | — | Los Angeles Dodgers | Los Angeles Dodgers signed RHP James Marinan. |
| Jun 18, 2017 | Signed | Paul Balestrieri | — | St. Louis Cardinals | St. Louis Cardinals signed RHP Paul Balestrieri. |
| Jun 17, 2017 | Signed | Drew Waters | — | Atlanta Braves | Atlanta Braves signed OF Drew Waters. |
| Jun 17, 2017 | Trade | Trevor Plouffe | Athletics | Tampa Bay Rays | Oakland Athletics traded 3B Trevor Plouffe to Tampa Bay Rays. |
| Jun 17, 2017 | Signed as free agent | Patrick Schuster | — | Athletics | Oakland Athletics signed free agent LHP Patrick Schuster to a minor league contract. |
| Jun 17, 2017 | Signed | Royce Lewis | — | Minnesota Twins | Minnesota Twins signed SS Royce Lewis. |
| Jun 17, 2017 | Signed | Jayson Rose | — | Milwaukee Brewers | Milwaukee Brewers signed RHP Jayson Rose. |
| Jun 17, 2017 | Signed as free agent | Logan Longwith | — | Colorado Rockies | Colorado Rockies signed free agent RHP Logan Longwith to a minor league contract. |
| Jun 17, 2017 | Signed as free agent | Cody Brown | — | New York Yankees | New York Yankees signed free agent OF Cody Brown to a minor league contract. |
| Jun 17, 2017 | Signed as free agent | Danny Hrbek | — | Kansas City Royals | Kansas City Royals signed free agent RHP Danny Hrbek to a minor league contract. |
| Jun 17, 2017 | Signed as free agent | Josh Lovelady | — | Kansas City Royals | Kansas City Royals signed free agent C Josh Lovelady to a minor league contract. |
| Jun 17, 2017 | Signed as free agent | Adam McGinnis | — | Chicago White Sox | Chicago White Sox signed free agent C Adam McGinnis to a minor league contract. |
| Jun 17, 2017 | Signed | Calvin Faucher | — | Minnesota Twins | Minnesota Twins signed RHP Calvin Faucher. |
| Jun 17, 2017 | Signed as free agent | Sixto Torres | — | Kansas City Royals | Kansas City Royals signed free agent LHP Sixto Torres to a minor league contract. |
| Jun 17, 2017 | Signed | Dane Myers | — | Detroit Tigers | Detroit Tigers signed RHP Dane Myers. |
| Jun 17, 2017 | Signed | Will Vest | — | Detroit Tigers | Detroit Tigers signed RHP Will Vest. |
| Jun 17, 2017 | Signed | Max Green | — | Detroit Tigers | Detroit Tigers signed LHP Max Green. |
| Jun 17, 2017 | Signed | Dallas Carroll | — | Milwaukee Brewers | Milwaukee Brewers signed 3B Dallas Carroll. |
| Jun 16, 2017 | Signed | Kyle Wright | — | Atlanta Braves | Atlanta Braves signed RHP Kyle Wright. |
| Jun 16, 2017 | Signed as free agent | Darian Sandford | — | Washington Nationals | Washington Nationals signed free agent OF Darian Sandford to a minor league contract. |
| Jun 16, 2017 | Signed | Shane Baz | — | Pittsburgh Pirates | Pittsburgh Pirates signed RHP Shane Baz. |
| Jun 16, 2017 | Released | Tom Wilhelmsen | — | Arizona Diamondbacks | Arizona Diamondbacks released RHP Tom Wilhelmsen. |
| Jun 16, 2017 | Signed | Bubba Thompson | — | Texas Rangers | Texas Rangers signed OF Bubba Thompson. |
| Jun 16, 2017 | Signed | Chris Seise | — | Texas Rangers | Texas Rangers signed SS Chris Seise. |
| Jun 16, 2017 | Signed | Hans Crouse | — | Texas Rangers | Texas Rangers signed RHP Hans Crouse. |
| Jun 16, 2017 | Signed | Griffin Canning | — | Los Angeles Angels | Los Angeles Angels signed RHP Griffin Canning. |
| Jun 16, 2017 | Signed as free agent | Brandon Marsonek | — | Athletics | Oakland Athletics signed free agent LHP Brandon Marsonek to a minor league contract. |
| Jun 16, 2017 | Signed | Reynaldo Rivera | — | Detroit Tigers | Detroit Tigers signed OF Reynaldo Rivera. |
| Jun 16, 2017 | Signed | Tate Blackman | — | Chicago White Sox | Chicago White Sox signed 2B Tate Blackman. |
| Jun 16, 2017 | Signed | Julio Gonzalez | — | Kansas City Royals | Kansas City Royals signed SS Julio Gonzalez. |
| Jun 16, 2017 | Signed as free agent | Zack Kelly | — | Athletics | Oakland Athletics signed free agent RHP Zack Kelly to a minor league contract. |
| Jun 16, 2017 | Signed | Brent Rooker | — | Minnesota Twins | Minnesota Twins signed OF Brent Rooker. |
| Jun 16, 2017 | Signed | Mark Contreras | — | Minnesota Twins | Minnesota Twins signed OF Mark Contreras. |
| Jun 16, 2017 | Signed as free agent | Adrian Spitz | — | Athletics | Oakland Athletics signed free agent OF Adrian Spitz to a minor league contract. |
| Jun 16, 2017 | Signed as free agent | Bryan Blanton | — | New York Yankees | New York Yankees signed free agent RHP Bryan Blanton to a minor league contract. |
| Jun 16, 2017 | Signed as free agent | Alex Mauricio | — | New York Yankees | New York Yankees signed free agent RHP Alex Mauricio to a minor league contract. |
| Jun 16, 2017 | Signed as free agent | Garrett Suchey | — | Kansas City Royals | Kansas City Royals signed free agent RHP Garrett Suchey to a minor league contract. |
| Jun 15, 2017 | Signed as free agent | Elian Rodriguez | — | Houston Astros | Houston Astros signed free agent RHP Elian Rodriguez to a minor league contract. |
| Jun 15, 2017 | Signed as free agent | Zach Walters | — | Kansas City Royals | Kansas City Royals signed free agent 1B Zach Walters to a minor league contract. |
| Jun 15, 2017 | Signed as free agent | Ernesto Frieri | — | Texas Rangers | Texas Rangers signed free agent RHP Ernesto Frieri to a minor league contract. |
| Jun 15, 2017 | Signed | Blake Battenfield | — | Chicago White Sox | Chicago White Sox signed RHP Blake Battenfield. |
| Jun 15, 2017 | Signed as free agent | Kyle Von Ruden | — | Chicago White Sox | Chicago White Sox signed free agent RHP Kyle Von Ruden to a minor league contract. |
| Jun 15, 2017 | Signed as free agent | Edwin Jackson | — | Washington Nationals | Washington Nationals signed free agent RHP Edwin Jackson to a minor league contract. |
| Jun 15, 2017 | Signed as free agent | Kevin Lenik | — | Kansas City Royals | Kansas City Royals signed free agent RHP Kevin Lenik to a minor league contract. |
| Jun 15, 2017 | Signed | Bryan Sammons | — | Minnesota Twins | Minnesota Twins signed LHP Bryan Sammons. |
| Jun 15, 2017 | Signed | Chris Hess | — | New York Yankees | New York Yankees signed 2B Chris Hess. |
| Jun 15, 2017 | Signed | Connor Heady | — | Los Angeles Dodgers | Los Angeles Dodgers signed SS Connor Heady. |
| Jun 15, 2017 | Signed | Zach Reks | — | Los Angeles Dodgers | Los Angeles Dodgers signed OF Zach Reks. |
| Jun 15, 2017 | Signed as free agent | Ryan Askew | — | Tampa Bay Rays | Tampa Bay Rays signed free agent RHP Ryan Askew to a minor league contract. |
| Jun 15, 2017 | Signed | Chad Whitmer | — | New York Yankees | New York Yankees signed RHP Chad Whitmer. |
| Jun 15, 2017 | Signed | Kyle Zurak | — | New York Yankees | New York Yankees signed RHP Kyle Zurak. |
| Jun 15, 2017 | Signed as free agent | Keshawn Lynch | — | Arizona Diamondbacks | Arizona Diamondbacks signed free agent 2B Keshawn Lynch to a minor league contract. |
| Jun 15, 2017 | Signed | Abraham Almonte | — | Arizona Diamondbacks | Arizona Diamondbacks signed LHP Abraham Almonte. |
| Jun 15, 2017 | Signed | Jeff Bain | — | Arizona Diamondbacks | Arizona Diamondbacks signed RHP Jeff Bain. |
| Jun 15, 2017 | Signed | Ernie De La Trinidad | — | Arizona Diamondbacks | Arizona Diamondbacks signed OF Ernie De La Trinidad. |
| Jun 15, 2017 | Signed | Ryan Grotjohn | — | Arizona Diamondbacks | Arizona Diamondbacks signed SS Ryan Grotjohn. |
| Jun 15, 2017 | Signed as free agent | Cole Stapler | — | Arizona Diamondbacks | Arizona Diamondbacks signed free agent RHP Cole Stapler to a minor league contract. |
| Jun 15, 2017 | Signed as free agent | Dominic Miroglio | — | Arizona Diamondbacks | Arizona Diamondbacks signed free agent C Dominic Miroglio to a minor league contract. |
| Jun 14, 2017 | Trade | Matt Frawley | Pittsburgh Pirates | New York Yankees | Pittsburgh Pirates traded RHP Matt Frawley to New York Yankees. |
| Jun 14, 2017 | Signed as free agent | Drew Rucinski | — | Minnesota Twins | Minnesota Twins signed free agent RHP Drew Rucinski to a minor league contract. |
| Jun 14, 2017 | Signed as free agent | Henry Urrutia | — | Boston Red Sox | Boston Red Sox signed free agent OF Henry Urrutia to a minor league contract. |
| Jun 14, 2017 | Signed as free agent | Alejandro De Aza | — | Washington Nationals | Washington Nationals signed free agent OF Alejandro De Aza to a minor league contract. |
| Jun 14, 2017 | Signed as free agent | Yoel Yanqui | — | Arizona Diamondbacks | Arizona Diamondbacks signed free agent OF Yoel Yanqui to a minor league contract. |
| Jun 14, 2017 | Signed as free agent | Luis Peguero | — | Cleveland Guardians | Cleveland Indians signed free agent RHP Luis Peguero to a minor league contract. |
| Jun 14, 2017 | Signed as free agent | Jose Quezada | — | Los Angeles Angels | Los Angeles Angels signed free agent CF Jose Quezada to a minor league contract. |
| Jun 14, 2017 | Signed as free agent | Wilton Sanchez | — | Cleveland Guardians | Cleveland Indians signed free agent RHP Wilton Sanchez to a minor league contract. |
| Jun 14, 2017 | Signed as free agent | Jose Verrier | — | Los Angeles Angels | Los Angeles Angels signed free agent CF Jose Verrier to a minor league contract. |
| Jun 14, 2017 | Signed | Tanner Nishioka | — | Boston Red Sox | Boston Red Sox signed 3B Tanner Nishioka. |
| Jun 14, 2017 | Signed | Jhordany Mezquita | — | Philadelphia Phillies | Philadelphia Phillies signed LHP Jhordany Mezquita. |
| Jun 14, 2017 | Signed | Trevor Craport | — | Baltimore Orioles | Baltimore Orioles signed 2B Trevor Craport. |
| Jun 14, 2017 | Signed | Luke Ringhofer | — | Baltimore Orioles | Baltimore Orioles signed C Luke Ringhofer. |
| Jun 14, 2017 | Signed | James Johnson | — | Arizona Diamondbacks | Arizona Diamondbacks signed RHP James Johnson. |
| Jun 14, 2017 | Signed | Justin Bullock | — | Milwaukee Brewers | Milwaukee Brewers signed RHP Justin Bullock. |
| Jun 14, 2017 | Signed | Kyle Keith | — | Texas Rangers | Texas Rangers signed RHP Kyle Keith. |
| Jun 14, 2017 | Signed | Eric Wagaman | — | New York Yankees | New York Yankees signed 1B Eric Wagaman. |
| Jun 14, 2017 | Signed | Scott Burke | — | Baltimore Orioles | Baltimore Orioles signed RHP Scott Burke. |
| Jun 13, 2017 | Released | Jhonny Peralta | — | St. Louis Cardinals | St. Louis Cardinals released 3B Jhonny Peralta. |
| Jun 13, 2017 | Trade | Joely Rodríguez | Philadelphia Phillies | Texas Rangers | Philadelphia Phillies traded LHP Joely Rodriguez to Texas Rangers for Player To Be Named Later. |
| Jun 13, 2017 | Signed as free agent | Nick Tepesch | — | Minnesota Twins | Minnesota Twins signed free agent RHP Nick Tepesch to a minor league contract. |
| Jun 13, 2017 | Signed | Alejandro De Aza | — | Washington Nationals | Washington Nationals signed LF Alejandro De Aza. |
| Jun 13, 2017 | Signed as free agent | Jothson Flores | — | Cleveland Guardians | Cleveland Indians signed free agent 2B Jothson Flores to a minor league contract. |
| Jun 13, 2017 | Signed as free agent | Sergio Morillo | — | Cleveland Guardians | Cleveland Indians signed free agent RHP Sergio Morillo to a minor league contract. |
| Jun 13, 2017 | Signed as free agent | Frank Tolentino | — | Baltimore Orioles | Baltimore Orioles signed free agent CF Frank Tolentino to a minor league contract. |
| Jun 13, 2017 | Signed as free agent | Braulio Ortiz | — | Milwaukee Brewers | Milwaukee Brewers signed free agent RHP Braulio Ortiz to a minor league contract. |
| Jun 13, 2017 | Signed | Jordan Wren | — | Boston Red Sox | Boston Red Sox signed OF Jordan Wren. |
| Jun 13, 2017 | Signed | Andrew Gist | — | Tampa Bay Rays | Tampa Bay Rays signed LHP Andrew Gist. |
| Jun 13, 2017 | Signed | Drew Strotman | — | Tampa Bay Rays | Tampa Bay Rays signed RHP Drew Strotman. |
| Jun 13, 2017 | Signed | Zac Lowther | — | Baltimore Orioles | Baltimore Orioles signed LHP Zac Lowther. |
| Jun 12, 2017 | Signed as free agent | Andy Wilkins | — | Minnesota Twins | Minnesota Twins signed free agent 1B Andy Wilkins to a minor league contract. |
| Jun 12, 2017 | Released | Jake Esch | — | San Diego Padres | San Diego Padres released RHP Jake Esch. |
| Jun 12, 2017 | Signed as free agent | Tim Melville | — | Minnesota Twins | Minnesota Twins signed free agent RHP Tim Melville to a minor league contract. |
| Jun 12, 2017 | Signed as free agent | Brando Hernandez | — | Atlanta Braves | Atlanta Braves signed free agent RHP Brando Hernandez to a minor league contract. |
| Jun 12, 2017 | Signed as free agent | Fildex Perfecto | — | Houston Astros | Houston Astros signed free agent OF Fildex Perfecto to a minor league contract. |
| Jun 11, 2017 | Signed as free agent | Daniel Bard | — | New York Mets | New York Mets signed free agent RHP Daniel Bard to a minor league contract. |
| Jun 10, 2017 | Signed as free agent | José Barrero | — | Cincinnati Reds | Cincinnati Reds signed free agent SS Jose Israel Garcia to a minor league contract. |
| Jun 10, 2017 | Signed | Adam Brett Walker | — | Baltimore Orioles | Baltimore Orioles signed LF Adam Brett Walker. |
| Jun 9, 2017 | Trade | Taylor Featherston | Philadelphia Phillies | Tampa Bay Rays | Philadelphia Phillies traded 3B Taylor Featherston to Tampa Bay Rays for cash. |
| Jun 9, 2017 | Signed as free agent | Manuel Alvarez | — | Cleveland Guardians | Cleveland Indians signed free agent RHP Manuel Alvarez to a minor league contract. |
| Jun 9, 2017 | Signed as free agent | Michele Vassalotti | — | Milwaukee Brewers | Milwaukee Brewers signed free agent RHP Michele Vassalotti to a minor league contract. |
| Jun 8, 2017 | Signed as free agent | Jose Nin | — | Chicago White Sox | Chicago White Sox signed free agent RHP Jose Nin to a minor league contract. |
| Jun 8, 2017 | Signed as free agent | Pedro Moreno | — | Cincinnati Reds | Cincinnati Reds signed free agent RHP Pedro Moreno to a minor league contract. |
| Jun 7, 2017 | Released | Nick Tepesch | — | Minnesota Twins | Minnesota Twins released RHP Nick Tepesch. |
| Jun 7, 2017 | Trade | Mick VanVossen | Washington Nationals | Chicago White Sox | Washington Nationals traded RHP Mick VanVossen to Chicago White Sox. |
| Jun 7, 2017 | Signed as free agent | Hector Mendoza | — | St. Louis Cardinals | St. Louis Cardinals signed free agent RHP Hector Mendoza to a minor league contract. |
| Jun 7, 2017 | Signed as free agent | Junior Mieses | — | Arizona Diamondbacks | Arizona Diamondbacks signed free agent RHP Junior Mieses to a minor league contract. |
| Jun 7, 2017 | Signed as free agent | Blake Lalli | — | Arizona Diamondbacks | Arizona Diamondbacks signed free agent C Blake Lalli to a minor league contract. |
| Jun 7, 2017 | Signed as free agent | Davinson Pimentel | — | Minnesota Twins | Minnesota Twins signed free agent C Davinson Pimentel to a minor league contract. |
| Jun 7, 2017 | Signed as free agent | Ross Detwiler | — | Chicago Cubs | Chicago Cubs signed free agent LHP Ross Detwiler to a minor league contract. |
| Jun 7, 2017 | Released | Jonathon Niese | — | New York Yankees | New York Yankees released LHP Jonathon Niese. |
| Jun 6, 2017 | Signed as free agent | Bobby Parnell | — | Chicago White Sox | Chicago White Sox signed free agent RHP Bobby Parnell to a minor league contract. |
| Jun 6, 2017 | Released | Emilio Bonifácio | — | Atlanta Braves | Atlanta Braves released LF Emilio Bonifacio. |
| Jun 6, 2017 | Trade | Sam Dyson | Texas Rangers | San Francisco Giants | Texas Rangers traded RHP Sam Dyson and cash to San Francisco Giants for Player To Be Named Later. |
| Jun 6, 2017 | Signed as free agent | Christian Correa | — | Colorado Rockies | Colorado Rockies signed free agent C Christian Correa to a minor league contract. |
| Jun 6, 2017 | Signed as free agent | J.B. Moss | — | Colorado Rockies | Colorado Rockies signed free agent OF J.B. Moss to a minor league contract. |
| Jun 5, 2017 | Trade | Yeison Coca | Boston Red Sox | Milwaukee Brewers | Boston Red Sox traded SS Yeison Coca to Milwaukee Brewers. |
| Jun 5, 2017 | Signed as free agent | Jason Gurka | — | Los Angeles Angels | Los Angeles Angels signed free agent LHP Jason Gurka to a minor league contract. |
| Jun 5, 2017 | Signed as free agent | Silvestre Berroa | — | Milwaukee Brewers | Milwaukee Brewers signed free agent LHP Silvestre Berroa to a minor league contract. |
| Jun 5, 2017 | Signed as free agent | William Cuevas | — | Miami Marlins | Miami Marlins signed free agent RHP William Cuevas to a minor league contract. |
| Jun 5, 2017 | Signed as free agent | A.J. Murray | — | Milwaukee Brewers | Milwaukee Brewers signed free agent C A.J. Murray to a minor league contract. |
| Jun 4, 2017 | Signed as free agent | Elih Villanueva | — | Boston Red Sox | Boston Red Sox signed free agent RHP Elih Villanueva to a minor league contract. |
| Jun 4, 2017 | Signed as free agent | Quincy Latimore | — | Los Angeles Dodgers | Los Angeles Dodgers signed free agent OF Quincy Latimore to a minor league contract. |
| Jun 4, 2017 | Trade | Rubén Tejada | New York Yankees | Baltimore Orioles | New York Yankees traded SS Ruben Tejada to Baltimore Orioles for cash. |
| Jun 3, 2017 | Trade | Jason Wheeler | Minnesota Twins | Los Angeles Dodgers | Minnesota Twins traded LHP Jason Wheeler to Los Angeles Dodgers for cash. |
| Jun 3, 2017 | Signed as free agent | Jerry Sands | — | San Francisco Giants | San Francisco Giants signed free agent 1B Jerry Sands to a minor league contract. |
| Jun 3, 2017 | Signed as free agent | Jarret Martin | — | San Francisco Giants | San Francisco Giants signed free agent LHP Jarret Martin to a minor league contract. |
| Jun 3, 2017 | Signed as free agent | César Puello | — | Los Angeles Angels | Los Angeles Angels signed free agent OF Cesar Puello to a minor league contract. |
| Jun 3, 2017 | Signed as free agent | Lucas Luetge | — | Baltimore Orioles | Baltimore Orioles signed free agent LHP Lucas Luetge to a minor league contract. |
| Jun 2, 2017 | Signed as free agent | Yeison Perez | — | Minnesota Twins | Minnesota Twins signed free agent C Yeison Perez to a minor league contract. |
| Jun 2, 2017 | Signed as free agent | José Buttó | — | New York Mets | New York Mets signed free agent RHP Jose Butto to a minor league contract. |
| Jun 2, 2017 | Signed as free agent | Marcos Correa | — | New York Mets | New York Mets signed free agent RHP Marcos Correa to a minor league contract. |
| Jun 2, 2017 | Signed as free agent | Abrahan Lopez | — | Texas Rangers | Texas Rangers signed free agent RHP Abrahan Lopez to a minor league contract. |
| Jun 2, 2017 | Signed as free agent | Ronaldo Gonzalez | — | Philadelphia Phillies | Philadelphia Phillies signed free agent C Ronaldo Gonzalez to a minor league contract. |
| Jun 2, 2017 | Signed as free agent | Ramón Rosso | — | Philadelphia Phillies | Philadelphia Phillies signed free agent RHP Ramon Rosso to a minor league contract. |
| Jun 2, 2017 | Signed as free agent | Angel Sarduy | — | Los Angeles Dodgers | Los Angeles Dodgers signed free agent OF Angel Sarduy to a minor league contract. |
| Jun 2, 2017 | Signed as free agent | Ismael Alcantara | — | Los Angeles Dodgers | Los Angeles Dodgers signed free agent OF Ismael Alcantara to a minor league contract. |
| Jun 2, 2017 | Signed as free agent | Nelfri Contreras | — | Los Angeles Dodgers | Los Angeles Dodgers signed free agent LHP Nelfri Contreras to a minor league contract. |
| Jun 2, 2017 | Signed as free agent | Robinson Ortiz | — | Los Angeles Dodgers | Los Angeles Dodgers signed free agent LHP Robinson Ortiz to a minor league contract. |
| Jun 2, 2017 | Signed as free agent | Dionis Zamora | — | St. Louis Cardinals | St. Louis Cardinals signed free agent RHP Dionis Zamora to a minor league contract. |
| Jun 2, 2017 | Signed as free agent | Joel Munoz | — | Milwaukee Brewers | Milwaukee Brewers signed free agent C Joel Munoz to a minor league contract. |
| Jun 2, 2017 | Signed as free agent | Raul Hernandez | — | Cincinnati Reds | Cincinnati Reds signed free agent RHP Raul Hernandez to a minor league contract. |
| Jun 2, 2017 | Signed as free agent | Jairo Capellan | — | Cincinnati Reds | Cincinnati Reds signed free agent RHP Jairo Capellan to a minor league contract. |
| Jun 2, 2017 | Signed as free agent | Marlon Constante | — | Baltimore Orioles | Baltimore Orioles signed free agent RHP Marlon Constante to a minor league contract. |
| Jun 1, 2017 | Trade | Josh Wilson | Texas Rangers | Cleveland Guardians | Texas Rangers traded 2B Josh Wilson to Cleveland Indians for cash. |
| Jun 1, 2017 | Signed as free agent | Madinson Colon | — | Atlanta Braves | Atlanta Braves signed free agent RHP Madinson Colon to a minor league contract. |
| Jun 1, 2017 | Signed as free agent | Jose Montilla | — | Atlanta Braves | Atlanta Braves signed free agent P Jose Montilla to a minor league contract. |
| Jun 1, 2017 | Signed as free agent | Gustavo Almonte | — | Houston Astros | Houston Astros signed free agent RHP Gustavo Almonte to a minor league contract. |
| Jun 1, 2017 | Signed as free agent | Jonger Ochoa | — | Houston Astros | Houston Astros signed free agent RHP Jonger Ochoa to a minor league contract. |
| Jun 1, 2017 | Signed as free agent | Oscar Severino | — | Houston Astros | Houston Astros signed free agent RHP Oscar Severino to a minor league contract. |
| Jun 1, 2017 | Signed as free agent | Michael Bourn | — | Los Angeles Angels | Los Angeles Angels signed free agent CF Michael Bourn to a minor league contract. |
| Jun 1, 2017 | Signed as free agent | Rafael Kelly | — | Athletics | Oakland Athletics signed free agent RHP Rafael Kelly to a minor league contract. |
| Jun 1, 2017 | Signed as free agent | Kelvin Pacheco | — | Milwaukee Brewers | Milwaukee Brewers signed free agent C Kelvin Pacheco to a minor league contract. |
| Jun 1, 2017 | Signed as free agent | Oscar Brito | — | Milwaukee Brewers | Milwaukee Brewers signed free agent RHP Oscar Brito to a minor league contract. |
| Jun 1, 2017 | Signed as free agent | Jesus Colman | — | Milwaukee Brewers | Milwaukee Brewers signed free agent RHP Jesus Colman to a minor league contract. |
| Jun 1, 2017 | Signed as free agent | Ismael Rosado | — | Milwaukee Brewers | Milwaukee Brewers signed free agent C Ismael Rosado to a minor league contract. |
| Jun 1, 2017 | Signed as free agent | Adoni Kery | — | Cleveland Guardians | Cleveland Indians signed free agent RHP Adoni Kery to a minor league contract. |
| Jun 1, 2017 | Signed as free agent | Henry Garcia | — | Cleveland Guardians | Cleveland Indians signed free agent RHP Henry Garcia to a minor league contract. |
| Jun 1, 2017 | Signed as free agent | Joel De La Cruz | — | Cleveland Guardians | Cleveland Indians signed free agent RHP Joel De La Cruz to a minor league contract. |
| Jun 1, 2017 | Signed as free agent | Guillermo Paulino | — | Milwaukee Brewers | Milwaukee Brewers signed free agent RHP Guillermo Paulino to a minor league contract. |
| Jun 1, 2017 | Signed | James Needy | — | Miami Marlins | Miami Marlins signed RHP James Needy. |
| May 31, 2017 | Released | Jonathan Broxton | — | St. Louis Cardinals | St. Louis Cardinals released RHP Jonathan Broxton. |
| May 31, 2017 | Signed as free agent | Ramon Ulises Villa | — | Texas Rangers | Texas Rangers signed free agent C Ulises Villa to a minor league contract. |
| May 30, 2017 | Signed as free agent | Kolton Mahoney | — | Miami Marlins | Miami Marlins signed free agent RHP Kolton Mahoney to a minor league contract. |
| May 30, 2017 | Signed as free agent | Micael Ramirez | — | Cleveland Guardians | Cleveland Indians signed free agent C Micael Ramirez to a minor league contract. |
| May 29, 2017 | Signed as free agent | Jake Johansen | — | Chicago White Sox | Chicago White Sox signed free agent RHP Jake Johansen to a minor league contract. |
| May 29, 2017 | Signed as free agent | Reinaldo De Paula | — | Los Angeles Dodgers | Los Angeles Dodgers signed free agent RHP Reinaldo De Paula to a minor league contract. |
| May 29, 2017 | Signed as free agent | Jaime Perez | — | Los Angeles Dodgers | Los Angeles Dodgers signed free agent OF Jaime Perez to a minor league contract. |
| May 28, 2017 | Trade | Darnell Sweeney | Los Angeles Dodgers | Cincinnati Reds | Los Angeles Dodgers traded 2B Darnell Sweeney to Cincinnati Reds. |
| May 27, 2017 | Signed as free agent | Luis Robert Jr. | — | Chicago White Sox | Chicago White Sox signed free agent OF Luis Robert to a minor league contract. |
| May 27, 2017 | Signed as free agent | Ernesto Martinez Jr. | — | Milwaukee Brewers | Milwaukee Brewers signed free agent OF Ernesto Wilson Martinez to a minor league contract. |
| May 27, 2017 | Signed as free agent | Elias Torres | — | San Diego Padres | San Diego Padres signed free agent RHP Elias Torres to a minor league contract. |
| May 26, 2017 | Trade | Ryan Raburn | Chicago White Sox | Washington Nationals | Chicago White Sox traded LF Ryan Raburn to Washington Nationals. |
| May 26, 2017 | Signed as free agent | Robert Martinez | — | Colorado Rockies | Colorado Rockies signed free agent RHP Robert Martinez to a minor league contract. |
| May 26, 2017 | Signed as free agent | Matthew Peguero | — | Tampa Bay Rays | Tampa Bay Rays signed free agent RHP Matthew Peguero to a minor league contract. |
| May 25, 2017 | Trade | Nick Rickles | Washington Nationals | Philadelphia Phillies | Washington Nationals traded C Nick Rickles to Philadelphia Phillies. |
| May 25, 2017 | Signed as free agent | Jeremy Barfield | — | Boston Red Sox | Boston Red Sox signed free agent OF Jeremy Barfield to a minor league contract. |
| May 25, 2017 | Signed as free agent | Melquiades Escobar | — | Seattle Mariners | Seattle Mariners signed free agent RHP Melquiades Escobar to a minor league contract. |
| May 25, 2017 | Signed as free agent | Wilmer Mejia | — | Cleveland Guardians | Cleveland Indians signed free agent RHP Wilmer Mejia to a minor league contract. |
| May 25, 2017 | Signed as free agent | Luis Santos | — | New York Yankees | New York Yankees signed free agent SS Luis Santos to a minor league contract. |
| May 24, 2017 | Trade | Andrew Aplin | Houston Astros | Seattle Mariners | Houston Astros traded CF Andrew Aplin to Seattle Mariners for Player To Be Named Later. |
| May 24, 2017 | Signed as free agent | Jeff Kobernus | — | Seattle Mariners | Seattle Mariners signed free agent LF Jeff Kobernus to a minor league contract. |
| May 24, 2017 | Signed as free agent | Juan Gomez | — | Milwaukee Brewers | Milwaukee Brewers signed free agent RHP Juan Gomez to a minor league contract. |
| May 24, 2017 | Signed as free agent | Sam Tidaback | — | Colorado Rockies | Colorado Rockies signed free agent C Sam Tidaback to a minor league contract. |
| May 23, 2017 | Signed as free agent | David Lough | — | Cleveland Guardians | Cleveland Indians signed free agent OF David Lough to a minor league contract. |
| May 23, 2017 | Signed as free agent | Sean O'Sullivan | — | Washington Nationals | Washington Nationals signed free agent RHP Sean O'Sullivan to a minor league contract. |
| May 23, 2017 | Signed as free agent | Oscar Rojas | — | New York Mets | New York Mets signed free agent RHP Oscar Rojas to a minor league contract. |
| May 23, 2017 | Signed as free agent | Javier Sanchez | — | Kansas City Royals | Kansas City Royals signed free agent SS Javier Sanchez to a minor league contract. |
| May 23, 2017 | Signed as free agent | Michael Cederoth | — | San Francisco Giants | San Francisco Giants signed free agent RHP Michael Cederoth to a minor league contract. |
| May 22, 2017 | Signed as free agent | Stephen Cardullo | — | Colorado Rockies | Colorado Rockies signed free agent LF Stephen Cardullo to a minor league contract. |
| May 22, 2017 | Signed as free agent | Nestor Batista | — | Milwaukee Brewers | Milwaukee Brewers signed free agent RHP Nestor Batista to a minor league contract. |
| May 22, 2017 | Signed as free agent | Walking Cabrera | — | Colorado Rockies | Colorado Rockies signed free agent OF Walking Cabrera to a minor league contract. |
| May 21, 2017 | Signed as free agent | Keury De La Cruz | — | Seattle Mariners | Seattle Mariners signed free agent LF Keury De La Cruz to a minor league contract. |
| May 21, 2017 | Signed as free agent | Evan Beal | — | Miami Marlins | Miami Marlins signed free agent RHP Evan Beal to a minor league contract. |
| May 20, 2017 | Trade | Enrique Burgos | Arizona Diamondbacks | Atlanta Braves | Arizona Diamondbacks traded RHP Enrique Burgos to Atlanta Braves for cash. |
| May 20, 2017 | Signed as free agent | Vin Mazzaro | — | Cincinnati Reds | Cincinnati Reds signed free agent RHP Vin Mazzaro to a minor league contract. |
| May 20, 2017 | Signed as free agent | Matthew den Dekker | — | Detroit Tigers | Detroit Tigers signed free agent CF Matt den Dekker to a minor league contract. |
| May 20, 2017 | Trade | Alex Katz | Chicago White Sox | Baltimore Orioles | Chicago White Sox traded LHP Alex Katz to Baltimore Orioles for Future Considerations. |
| May 20, 2017 | Signed as free agent | Doug Fister | — | Los Angeles Angels | Los Angeles Angels signed free agent RHP Doug Fister. |
| May 20, 2017 | Trade | Matt Adams | St. Louis Cardinals | Atlanta Braves | St. Louis Cardinals traded 1B Matt Adams and cash to Atlanta Braves for 1B Juan Yepez. |
| May 19, 2017 | Signed as free agent | Fabian Roman | — | Seattle Mariners | Seattle Mariners signed free agent RHP Fabian Roman to a minor league contract. |
| May 18, 2017 | Trade | Michael Martinez | Cleveland Guardians | Tampa Bay Rays | Cleveland Indians traded 2B Michael Martinez to Tampa Bay Rays for cash. |
| May 18, 2017 | Released | Stephen Cardullo | — | Colorado Rockies | Colorado Rockies released LF Stephen Cardullo. |
| May 18, 2017 | Signed as free agent | James Loney | — | Atlanta Braves | Atlanta Braves signed free agent 1B James Loney to a minor league contract. |
| May 18, 2017 | Signed | Ryan Kelly | — | Seattle Mariners | Seattle Mariners signed RHP Ryan Kelly. |
| May 18, 2017 | Signed as free agent | Eric Alonzo | — | Miami Marlins | Miami Marlins signed free agent RHP Eric Alonzo to a minor league contract. |
| May 18, 2017 | Signed as free agent | Elian Gonzalez | — | Milwaukee Brewers | Milwaukee Brewers signed free agent SS Elian Gonzalez to a minor league contract. |
| May 17, 2017 | Signed as free agent | Alvaro Montero | — | Miami Marlins | Miami Marlins signed free agent SS Alvaro Montero to a minor league contract. |
| May 17, 2017 | Signed as free agent | Bryant Quijada | — | Colorado Rockies | Colorado Rockies signed free agent C Bryant Quijada to a minor league contract. |
| May 17, 2017 | Signed as free agent | Carlos Salazar | — | Los Angeles Angels | Los Angeles Angels signed free agent RHP Carlos Salazar to a minor league contract. |
| May 16, 2017 | Signed as free agent | Neil Ramírez | — | New York Mets | New York Mets signed free agent RHP Neil Ramirez. |
| May 16, 2017 | Signed as free agent | Hai-Cheng Gong | — | Pittsburgh Pirates | Pittsburgh Pirates signed free agent RHP Hai-Cheng Gong to a minor league contract. |
| May 16, 2017 | Signed as free agent | Drew Stubbs | — | Texas Rangers | Texas Rangers signed free agent CF Drew Stubbs to a minor league contract. |
| May 16, 2017 | Signed as free agent | Jarrod Saltalamacchia | — | Toronto Blue Jays | Toronto Blue Jays signed free agent C Jarrod Saltalamacchia to a minor league contract. |
| May 16, 2017 | Signed as free agent | Tyler Skulina | — | Washington Nationals | Washington Nationals signed free agent RHP Tyler Skulina to a minor league contract. |
| May 16, 2017 | Signed | Kaleb Ort | — | New York Yankees | New York Yankees signed RHP Kaleb Ort. |
| May 15, 2017 | Signed as free agent | Juan Carlos Negret | — | Atlanta Braves | Atlanta Braves signed free agent CF Juan Carlos Negret to a minor league contract. |
| May 13, 2017 | Signed as free agent | Austin Kubitza | — | Seattle Mariners | Seattle Mariners signed free agent RHP Austin Kubitza to a minor league contract. |
| May 12, 2017 | Signed as free agent | Tyler Cloyd | — | Seattle Mariners | Seattle Mariners signed free agent RHP Tyler Cloyd to a minor league contract. |
| May 12, 2017 | Signed | Thad Weber | — | Colorado Rockies | Colorado Rockies signed RHP Thad Weber. |
| May 12, 2017 | Signed as free agent | Victor Martinez | — | Arizona Diamondbacks | Arizona Diamondbacks signed free agent LHP Victor Martinez to a minor league contract. |
| May 12, 2017 | Signed as free agent | Edwin Quezada | — | Arizona Diamondbacks | Arizona Diamondbacks signed free agent RHP Edwin Quezada to a minor league contract. |
| May 12, 2017 | Signed as free agent | Gerald Ogando | — | Arizona Diamondbacks | Arizona Diamondbacks signed free agent RHP Gerald Ogando to a minor league contract. |
| May 12, 2017 | Signed as free agent | Starlin Paulino | — | New York Yankees | New York Yankees signed free agent SS Starlin Paulino to a minor league contract. |
| May 12, 2017 | Signed as free agent | Eduardo Ratia | — | Arizona Diamondbacks | Arizona Diamondbacks signed free agent LHP Eduardo Ratia to a minor league contract. |
| May 11, 2017 | Signed as free agent | Justin De Fratus | — | Seattle Mariners | Seattle Mariners signed free agent RHP Justin DeFratus to a minor league contract. |
| May 11, 2017 | Signed as free agent | Gustavo Nunez | — | New York Mets | New York Mets signed free agent SS Gustavo Nunez to a minor league contract. |
| May 11, 2017 | Signed as free agent | Danny Muno | — | Seattle Mariners | Seattle Mariners signed free agent 3B Danny Muno to a minor league contract. |
| May 11, 2017 | Signed | Edison Frias | — | Colorado Rockies | Colorado Rockies signed RHP Edison Frias. |
| May 11, 2017 | Signed as free agent | Daniel Corcino | — | Los Angeles Dodgers | Los Angeles Dodgers signed free agent RHP Daniel Corcino to a minor league contract. |
| May 10, 2017 | Signed as free agent | Mario Benjamin-Garnett | — | Athletics | Oakland Athletics signed free agent RHP Mario Benjamin-Garnett to a minor league contract. |
| May 10, 2017 | Signed as free agent | Edidson Rojas | — | Baltimore Orioles | Baltimore Orioles signed free agent SS Edidson Rojas to a minor league contract. |
| May 10, 2017 | Signed as free agent | Luis Yan | — | Los Angeles Dodgers | Los Angeles Dodgers signed free agent OF Luis Yan to a minor league contract. |
| May 10, 2017 | Signed as free agent | Shane Hoelscher | — | Baltimore Orioles | Baltimore Orioles signed free agent 3B Shane Hoelscher to a minor league contract. |
| May 10, 2017 | Signed as free agent | Kam Mickolio | — | Minnesota Twins | Minnesota Twins signed free agent RHP Kam Mickolio to a minor league contract. |
| May 10, 2017 | Signed as free agent | Tyler Watson | — | Seattle Mariners | Seattle Mariners signed free agent LHP Tyler Watson to a minor league contract. |
| May 9, 2017 | Trade | Casey Fien | Seattle Mariners | Philadelphia Phillies | Seattle Mariners traded RHP Casey Fien to Philadelphia Phillies for cash. |
| May 9, 2017 | Trade | Bryan Bonnell | Tampa Bay Rays | Seattle Mariners | Tampa Bay Rays traded RHP Bryan Bonnell to Seattle Mariners for Future Considerations. |
| May 9, 2017 | Signed as free agent | Logan Darnell | — | Los Angeles Dodgers | Los Angeles Dodgers signed free agent LHP Logan Darnell to a minor league contract. |
| May 9, 2017 | Signed as free agent | Emilker Guzman | — | Los Angeles Angels | Los Angeles Angels signed free agent RHP Emilker Guzman to a minor league contract. |
| May 9, 2017 | Signed as free agent | Fernando Melo | — | Tampa Bay Rays | Tampa Bay Rays signed free agent LHP Fernando Melo to a minor league contract. |
| May 9, 2017 | Signed as free agent | Conner Hale | — | Colorado Rockies | Colorado Rockies signed free agent 1B Conner Hale to a minor league contract. |
| May 9, 2017 | Signed as free agent | Avery Romero | — | Colorado Rockies | Colorado Rockies signed free agent 3B Avery Romero to a minor league contract. |
| May 9, 2017 | Signed as free agent | Bobby Wernes | — | Colorado Rockies | Colorado Rockies signed free agent 3B Bobby Wernes to a minor league contract. |
| May 9, 2017 | Signed as free agent | Tyler Bates | — | Colorado Rockies | Colorado Rockies signed free agent OF Tyler Bates to a minor league contract. |
| May 8, 2017 | Trade | Kevin Chapman | Atlanta Braves | Minnesota Twins | Minnesota Twins traded LF Danny Santana to Atlanta Braves for cash and LHP Kevin Chapman. |
| May 8, 2017 | Trade | Matt Szczur | Chicago Cubs | San Diego Padres | Chicago Cubs traded LF Matt Szczur to San Diego Padres for RHP Justin Hancock. |
| May 8, 2017 | Signed as free agent | Miller Chacon | — | Chicago Cubs | Chicago Cubs signed free agent C Miller Chacon to a minor league contract. |
| May 8, 2017 | Signed as free agent | Christian Pedrol | — | Seattle Mariners | Seattle Mariners signed free agent RHP Christian Pedrol to a minor league contract. |
| May 8, 2017 | Signed as free agent | Jonathan Soto | — | Chicago Cubs | Chicago Cubs signed free agent C Jonathan Soto to a minor league contract. |
| May 6, 2017 | Trade | Jordan Kipper | Los Angeles Angels | Baltimore Orioles | Baltimore Orioles traded RHP Damien Magnifico to Los Angeles Angels for RHP Jordan Kipper. |
| May 6, 2017 | Trade | Pat Cantwell | Texas Rangers | Toronto Blue Jays | Texas Rangers traded C Patrick Cantwell to Toronto Blue Jays for cash. |
| May 6, 2017 | Signed | Chris O'Grady | — | Miami Marlins | Miami Marlins signed LHP Chris O'Grady. |
| May 6, 2017 | Signed as free agent | Collin Balester | — | San Francisco Giants | San Francisco Giants signed free agent RHP Collin Balester to a minor league contract. |
| May 5, 2017 | Trade | Yoiber Marquina | Cleveland Guardians | New York Yankees | Cleveland Indians traded RHP Yoiber Marquina to New York Yankees. |
| May 5, 2017 | Signed as free agent | Michael Choice | — | Milwaukee Brewers | Milwaukee Brewers signed free agent RF Michael Choice to a minor league contract. |
| May 5, 2017 | Signed as free agent | Edward Vasquez | — | Chicago Cubs | Chicago Cubs signed free agent RHP Edward Vasquez to a minor league contract. |
| May 5, 2017 | Signed as free agent | Rochest Cruz | — | Chicago Cubs | Chicago Cubs signed free agent SS Rochest Cruz to a minor league contract. |
| May 5, 2017 | Signed as free agent | Daison Manzano | — | New York Yankees | New York Yankees signed free agent RHP Daison Manzano to a minor league contract. |
| May 5, 2017 | Signed as free agent | Juan Mejia | — | Colorado Rockies | Colorado Rockies signed free agent RHP Juan Mejia to a minor league contract. |
| May 5, 2017 | Signed as free agent | Benjamin Rodriguez | — | Chicago Cubs | Chicago Cubs signed free agent RHP Benjamin Rodriguez to a minor league contract. |
| May 5, 2017 | Signed as free agent | Leonicio Ventura | — | Toronto Blue Jays | Toronto Blue Jays signed free agent C Leonicio Ventura to a minor league contract. |
| May 5, 2017 | Signed as free agent | Chad Hinshaw | — | Miami Marlins | Miami Marlins signed free agent CF Chad Hinshaw to a minor league contract. |
| May 5, 2017 | Signed as free agent | Will LaMarche | — | San Francisco Giants | San Francisco Giants signed free agent RHP Will LaMarche to a minor league contract. |
| May 5, 2017 | Signed as free agent | Vic Black | — | San Francisco Giants | San Francisco Giants signed free agent RHP Vic Black to a minor league contract. |
| May 4, 2017 | Trade | Victor Roache | Milwaukee Brewers | Los Angeles Dodgers | Milwaukee Brewers traded LF Victor Roache to Los Angeles Dodgers for cash. |
| May 4, 2017 | Trade | Armando Araiza | Atlanta Braves | Baltimore Orioles | Atlanta Braves traded C Armando Araiza to Baltimore Orioles for cash. |
| May 4, 2017 | Signed as free agent | Blake Beavan | — | New York Mets | New York Mets signed free agent RHP Blake Beavan to a minor league contract. |
| May 4, 2017 | Signed as free agent | Mike Aviles | — | Miami Marlins | Miami Marlins signed free agent SS Mike Aviles to a minor league contract. |
| May 4, 2017 | Signed as free agent | Israel Lantigua | — | Cincinnati Reds | Cincinnati Reds signed free agent RHP Israel Lantigua to a minor league contract. |
| May 4, 2017 | Signed as free agent | Reinardo Mota | — | Cincinnati Reds | Cincinnati Reds signed free agent RHP Reinardo Mota to a minor league contract. |
| May 4, 2017 | Signed as free agent | Luis Suarez | — | Philadelphia Phillies | Philadelphia Phillies signed free agent LHP Luis Suarez to a minor league contract. |
| May 4, 2017 | Signed as free agent | Dannysmel Tavarez | — | Cincinnati Reds | Cincinnati Reds signed free agent RHP Dannysmel Tavarez to a minor league contract. |
| May 4, 2017 | Signed as free agent | Kenny Koplove | — | Miami Marlins | Miami Marlins signed free agent RHP Kenny Koplove to a minor league contract. |
| May 3, 2017 | Released | Jarrod Saltalamacchia | — | Toronto Blue Jays | Toronto Blue Jays released C Jarrod Saltalamacchia. |
| May 2, 2017 | Signed as free agent | Michael Dimock | — | Los Angeles Angels | Los Angeles Angels signed free agent RHP Mike Dimock to a minor league contract. |
| May 2, 2017 | Signed as free agent | Wilser Barrios | — | New York Yankees | New York Yankees signed free agent RHP Wilser Barrios to a minor league contract. |
| May 2, 2017 | Signed as free agent | Ronaldo Marrero | — | Houston Astros | Houston Astros signed free agent RHP Ronaldo Marrero to a minor league contract. |
| May 2, 2017 | Signed as free agent | Luigence Thomas | — | Cleveland Guardians | Cleveland Indians signed free agent RHP Luigence Thomas to a minor league contract. |
| Apr 30, 2017 | Signed as free agent | Casey Coleman | — | Houston Astros | Houston Astros signed free agent RHP Casey Coleman to a minor league contract. |
| Apr 29, 2017 | Signed as free agent | Horacio Acosta | — | Miami Marlins | Miami Marlins signed free agent RHP Horacio Acosta to a minor league contract. |
| Apr 29, 2017 | Signed as free agent | Andres Pena | — | Los Angeles Angels | Los Angeles Angels signed free agent RHP Andres Pena to a minor league contract. |
| Apr 29, 2017 | Signed as free agent | Jeremy Bleich | — | Los Angeles Dodgers | Los Angeles Dodgers signed free agent LHP Jeremy Bleich to a minor league contract. |
| Apr 29, 2017 | Signed as free agent | Jose Mayorga | — | Toronto Blue Jays | Toronto Blue Jays signed free agent C Jose Mayorga to a minor league contract. |
| Apr 28, 2017 | Trade | Drew Smith | Detroit Tigers | Tampa Bay Rays | Detroit Tigers traded RHP Drew Smith to Tampa Bay Rays. |
| Apr 28, 2017 | Signed as free agent | Max Muncy | — | Los Angeles Dodgers | Los Angeles Dodgers signed free agent 2B Max Muncy to a minor league contract. |
| Apr 28, 2017 | Signed as free agent | Orveo Saint | — | Milwaukee Brewers | Milwaukee Brewers signed free agent SS Orveo Saint to a minor league contract. |
| Apr 28, 2017 | Signed as free agent | Walker Weickel | — | Texas Rangers | Texas Rangers signed free agent RHP Walker Weickel to a minor league contract. |
| Apr 27, 2017 | Signed as free agent | Manny Parra | — | Chicago Cubs | Chicago Cubs signed free agent LHP Manny Parra to a minor league contract. |
| Apr 27, 2017 | Signed as free agent | Tyler Vail | — | Arizona Diamondbacks | Arizona Diamondbacks signed free agent RHP Tyler Vail to a minor league contract. |
| Apr 27, 2017 | Signed as free agent | Bryan De La Rosa | — | Miami Marlins | Miami Marlins signed free agent C Bryan De La Rosa to a minor league contract. |
| Apr 26, 2017 | Signed as free agent | Brhayan Campos | — | Miami Marlins | Miami Marlins signed free agent C Brhayan Campos to a minor league contract. |
| Apr 26, 2017 | Signed as free agent | Brayan De Paula | — | Miami Marlins | Miami Marlins signed free agent LHP Brayan De Paula to a minor league contract. |
| Apr 26, 2017 | Signed as free agent | Victor Nova | — | San Diego Padres | San Diego Padres signed free agent SS Victor Nova to a minor league contract. |
| Apr 26, 2017 | Signed as free agent | Yoilan Quinonez | — | Miami Marlins | Miami Marlins signed free agent RHP Yoilan Quinonez to a minor league contract. |
| Apr 25, 2017 | Signed as free agent | Anderson Bido | — | Colorado Rockies | Colorado Rockies signed free agent RHP Anderson Bido to a minor league contract. |
| Apr 24, 2017 | Trade | David Hernandez | Atlanta Braves | Los Angeles Angels | Atlanta Braves traded RHP David Hernandez to Los Angeles Angels. |
| Apr 24, 2017 | Signed as free agent | Nolan Sanburn | — | Washington Nationals | Washington Nationals signed free agent RHP Nolan Sanburn to a minor league contract. |
| Apr 23, 2017 | Trade | Ryan LaMarre | Los Angeles Angels | Athletics | Los Angeles Angels traded LF Ryan LaMarre to Oakland Athletics for Player To Be Named Later. |
| Apr 22, 2017 | Trade | Ty Kelly | Toronto Blue Jays | Philadelphia Phillies | Toronto Blue Jays traded 3B Ty Kelly to Philadelphia Phillies for cash. |
| Apr 21, 2017 | Signed as free agent | Bryan Alcala | — | Philadelphia Phillies | Philadelphia Phillies signed free agent RHP Bryan Alcala to a minor league contract. |
| Apr 21, 2017 | Signed as free agent | Juan Mercedes | — | Seattle Mariners | Seattle Mariners signed free agent RHP Juan Mercedes to a minor league contract. |
| Apr 21, 2017 | Signed as free agent | Jesus Ozoria | — | Seattle Mariners | Seattle Mariners signed free agent RHP Jesus Ozoria to a minor league contract. |
| Apr 21, 2017 | Signed as free agent | Franklin Navarro | — | Los Angeles Angels | Los Angeles Angels signed free agent C Franklin Navarro to a minor league contract. |
| Apr 20, 2017 | Signed as free agent | Asher Wojciechowski | — | Cincinnati Reds | Cincinnati Reds signed free agent RHP Asher Wojciechowski to a minor league contract. |
| Apr 20, 2017 | Signed as free agent | Cody Satterwhite | — | Washington Nationals | Washington Nationals signed free agent RHP Cody Satterwhite to a minor league contract. |
| Apr 19, 2017 | Signed as free agent | Josh Wilson | — | Texas Rangers | Texas Rangers signed free agent 2B Josh Wilson to a minor league contract. |
| Apr 19, 2017 | Signed as free agent | Jhonfran Escalona | — | New York Mets | New York Mets signed free agent RHP Jhonfran Escalona to a minor league contract. |
| Apr 19, 2017 | Signed as free agent | Felix Sosa | — | New York Mets | New York Mets signed free agent RHP Felix Sosa to a minor league contract. |
| Apr 18, 2017 | Signed as free agent | James Loney | — | Detroit Tigers | Detroit Tigers signed free agent 1B James Loney to a minor league contract. |
| Apr 18, 2017 | Signed as free agent | Blaine Boyer | — | Boston Red Sox | Boston Red Sox signed free agent RHP Blaine Boyer to a minor league contract. |
| Apr 18, 2017 | Trade | Juan Graterol | Toronto Blue Jays | Los Angeles Angels | Toronto Blue Jays traded C Juan Graterol to Los Angeles Angels. |
| Apr 18, 2017 | Signed as free agent | Carlos M Francisco | — | Philadelphia Phillies | Philadelphia Phillies signed free agent RHP Carlos Francisco to a minor league contract. |
| Apr 18, 2017 | Signed as free agent | Alexis Herrera | — | Philadelphia Phillies | Philadelphia Phillies signed free agent RHP Alexis Herrera to a minor league contract. |
| Apr 18, 2017 | Signed as free agent | Jeff Gelalich | — | Chicago White Sox | Chicago White Sox signed free agent OF Jeff Gelalich to a minor league contract. |
| Apr 18, 2017 | Signed as free agent | Cedric Hunter | — | Cincinnati Reds | Cincinnati Reds signed free agent OF Cedric Hunter to a minor league contract. |
| Apr 17, 2017 | Trade | Johnny Barbato | New York Yankees | Pittsburgh Pirates | New York Yankees traded RHP Johnny Barbato to Pittsburgh Pirates. |
| Apr 17, 2017 | Trade | Parker Bridwell | Baltimore Orioles | Los Angeles Angels | Baltimore Orioles traded RHP Parker Bridwell to Los Angeles Angels for cash. |
| Apr 17, 2017 | Signed as free agent | Nelson Ward | — | Seattle Mariners | Seattle Mariners signed free agent 2B Nelson Ward to a minor league contract. |
| Apr 17, 2017 | Signed as free agent | Junior Arrojo | — | Miami Marlins | Miami Marlins signed free agent SS Manuel Arrojo to a minor league contract. |
| Apr 16, 2017 | Signed | Alberto Triunfel | — | Los Angeles Angels | Los Angeles Angels signed OF Alberto Triunfel. |
| Apr 16, 2017 | Trade | Frandy De La Rosa | Texas Rangers | San Francisco Giants | San Francisco Giants traded RHP Clayton Blackburn to Texas Rangers for cash and 2B Frandy De La Rosa. |
| Apr 16, 2017 | Signed as free agent | Landon Lassiter | — | Chicago White Sox | Chicago White Sox signed free agent OF Landon Lassiter to a minor league contract. |
| Apr 14, 2017 | Trade | Oliver Drake | Baltimore Orioles | Milwaukee Brewers | Baltimore Orioles traded RHP Oliver Drake to Milwaukee Brewers for cash. |
| Apr 14, 2017 | Trade | Paul Fry | Seattle Mariners | Baltimore Orioles | Seattle Mariners traded LHP Paul Fry to Baltimore Orioles for Future Considerations. |
| Apr 14, 2017 | Signed as free agent | Nick Neumann | — | St. Louis Cardinals | St. Louis Cardinals signed free agent RHP Nick Neumann to a minor league contract. |
| Apr 13, 2017 | Trade | Damien Magnifico | Milwaukee Brewers | Baltimore Orioles | Milwaukee Brewers traded RHP Damien Magnifico to Baltimore Orioles for Future Considerations. |
| Apr 13, 2017 | Signed as free agent | Ben Johnson | — | Colorado Rockies | Colorado Rockies signed free agent OF Ben Johnson to a minor league contract. |
| Apr 11, 2017 | Signed as free agent | Jason Motte | — | Atlanta Braves | Atlanta Braves signed free agent RHP Jason Motte to a minor league contract. |
| Apr 11, 2017 | Signed as free agent | Jesus Balaguer | — | Houston Astros | Houston Astros signed free agent RHP Jesus Balaguer to a minor league contract. |
| Apr 11, 2017 | Signed as free agent | Cody Decker | — | New York Mets | New York Mets signed free agent 1B Cody Decker to a minor league contract. |
| Apr 11, 2017 | Signed as free agent | Christopher Burks | — | San Francisco Giants | San Francisco Giants signed free agent OF Christopher Burks to a minor league contract. |
| Apr 11, 2017 | Signed as free agent | Yoandy Fernandez | — | Pittsburgh Pirates | Pittsburgh Pirates signed free agent RHP Yoandy Fernandez to a minor league contract. |
| Apr 11, 2017 | Signed as free agent | Michael Bourn | — | Baltimore Orioles | Baltimore Orioles signed free agent CF Michael Bourn to a minor league contract. |
| Apr 11, 2017 | Signed as free agent | Yamil Castillo | — | Los Angeles Dodgers | Los Angeles Dodgers signed free agent RHP Yamil Castillo to a minor league contract. |
| Apr 11, 2017 | Signed as free agent | Carlos Rodriguez | — | Los Angeles Dodgers | Los Angeles Dodgers signed free agent RHP Carlos Rodriguez to a minor league contract. |
| Apr 11, 2017 | Signed as free agent | Dariel Álvarez | — | Baltimore Orioles | Baltimore Orioles signed free agent RHP Dariel Alvarez to a minor league contract. |
| Apr 11, 2017 | Signed as free agent | Chris Cotton | — | Los Angeles Dodgers | Los Angeles Dodgers signed free agent LHP Chris Cotton to a minor league contract. |
| Apr 11, 2017 | Signed as free agent | Matt Ditman | — | Los Angeles Dodgers | Los Angeles Dodgers signed free agent RHP Matt Ditman to a minor league contract. |
| Apr 11, 2017 | Signed as free agent | B.J. Upton | — | San Francisco Giants | San Francisco Giants signed free agent LF Melvin Upton Jr. to a minor league contract. |
| Apr 10, 2017 | Signed as free agent | Joe Nathan | — | Washington Nationals | Washington Nationals signed free agent RHP Joe Nathan to a minor league contract. |
| Apr 10, 2017 | Trade | Joe Gunkel | Baltimore Orioles | Los Angeles Dodgers | Baltimore Orioles traded RHP Joe Gunkel to Los Angeles Dodgers for Player To Be Named Later. |
| Apr 10, 2017 | Signed as free agent | Carlos Montilla | — | Los Angeles Dodgers | Los Angeles Dodgers signed free agent RHP Carlos Montilla to a minor league contract. |
| Apr 10, 2017 | Signed as free agent | David Hale | — | Los Angeles Dodgers | Los Angeles Dodgers signed free agent RHP David Hale to a minor league contract. |
| Apr 10, 2017 | Signed as free agent | Ryan Metzler | — | Colorado Rockies | Colorado Rockies signed free agent SS Ryan Metzler to a minor league contract. |
| Apr 10, 2017 | Signed as free agent | Tom de Blok | — | Detroit Tigers | Detroit Tigers signed free agent RHP Tom de Blok to a minor league contract. |
| Apr 9, 2017 | Signed | Jordan Mills | — | Washington Nationals | Washington Nationals signed LHP Jordan Mills. |
| Apr 8, 2017 | Signed as free agent | Mike Pelfrey | — | Chicago White Sox | Chicago White Sox signed free agent RHP Mike Pelfrey to a minor league contract. |
| Apr 8, 2017 | Signed as free agent | Ryan Raburn | — | Chicago White Sox | Chicago White Sox signed free agent LF Ryan Raburn to a minor league contract. |
| Apr 7, 2017 | Trade | Miguel Castro | Colorado Rockies | Baltimore Orioles | Colorado Rockies traded RHP Miguel Castro to Baltimore Orioles for Player To Be Named Later. |
| Apr 7, 2017 | Signed as free agent | Steve Ascher | — | Colorado Rockies | Colorado Rockies signed free agent LHP Steve Ascher to a minor league contract. |
| Apr 7, 2017 | Signed as free agent | Chris Anderson | — | Minnesota Twins | Minnesota Twins signed free agent RHP Chris Anderson to a minor league contract. |
| Apr 7, 2017 | Signed as free agent | Rangel Ravelo | — | St. Louis Cardinals | St. Louis Cardinals signed free agent 1B Rangel Ravelo to a minor league contract. |
| Apr 6, 2017 | Signed as free agent | Desmond Jennings | — | New York Mets | New York Mets signed free agent CF Desmond Jennings to a minor league contract. |
| Apr 6, 2017 | Trade | Andrew Faulkner | Texas Rangers | Baltimore Orioles | Texas Rangers traded LHP Andrew Faulkner to Baltimore Orioles for cash. |
| Apr 6, 2017 | Released | Dariel Álvarez | — | Baltimore Orioles | Baltimore Orioles released RF Dariel Alvarez. |
| Apr 6, 2017 | Signed as free agent | Ryan Howard | — | Atlanta Braves | Atlanta Braves signed free agent 1B Ryan Howard to a minor league contract. |
| Apr 6, 2017 | Signed as free agent | Osvaldo Arauz | — | Philadelphia Phillies | Philadelphia Phillies signed free agent RHP Osvaldo Arauz to a minor league contract. |
| Apr 6, 2017 | Signed as free agent | Drew Stubbs | — | San Francisco Giants | San Francisco Giants signed free agent CF Drew Stubbs to a minor league contract. |
| Apr 6, 2017 | Signed as free agent | Ian Gardeck | — | San Francisco Giants | San Francisco Giants signed free agent RHP Ian Gardeck to a minor league contract. |
| Apr 6, 2017 | Signed as free agent | Steve Johnson | — | Baltimore Orioles | Baltimore Orioles signed free agent RHP Steve Johnson to a minor league contract. |
| Apr 6, 2017 | Signed as free agent | Shairon Martis | — | Baltimore Orioles | Baltimore Orioles signed free agent RHP Shairon Martis to a minor league contract. |
| Apr 6, 2017 | Signed as free agent | Ryan Clark | — | Los Angeles Angels | Los Angeles Angels signed free agent RHP Ryan Clark to a minor league contract. |
| Apr 5, 2017 | Released | Jason Motte | — | Colorado Rockies | Colorado Rockies released RHP Jason Motte. |
| Apr 5, 2017 | Signed as free agent | Deck McGuire | — | Cincinnati Reds | Cincinnati Reds signed free agent RHP Deck McGuire to a minor league contract. |
| Apr 5, 2017 | Signed as free agent | David Martinez | — | Houston Astros | Houston Astros signed free agent RHP David Martinez to a minor league contract. |
| Apr 5, 2017 | Signed as free agent | Eliecer Guevara | — | Colorado Rockies | Colorado Rockies signed free agent RHP Eliecer Guevara to a minor league contract. |
| Apr 5, 2017 | Signed as free agent | Charlie Meyer | — | Milwaukee Brewers | Milwaukee Brewers signed free agent C Charlie Meyer to a minor league contract. |
| Apr 5, 2017 | Signed as free agent | Angel Ozuna | — | Detroit Tigers | Detroit Tigers signed free agent RHP Angel Ozuna to a minor league contract. |
| Apr 5, 2017 | Signed as free agent | Garrett Cortright | — | Miami Marlins | Miami Marlins signed free agent RHP Garrett Cortright to a minor league contract. |
| Apr 5, 2017 | Signed as free agent | Edwin Jackson | — | Baltimore Orioles | Baltimore Orioles signed free agent RHP Edwin Jackson to a minor league contract. |
| Apr 5, 2017 | Signed as free agent | Bradley Strong | — | Minnesota Twins | Minnesota Twins signed free agent 2B Bradley Strong to a minor league contract. |
| Apr 5, 2017 | Signed as free agent | Karl Triana | — | Baltimore Orioles | Baltimore Orioles signed free agent RHP Karl Triana to a minor league contract. |
| Apr 4, 2017 | Trade | Tyler Heineman | Houston Astros | Milwaukee Brewers | Houston Astros traded C Tyler Heineman to Milwaukee Brewers for Player To Be Named Later. |
| Apr 4, 2017 | Released | Ray Black | — | San Francisco Giants | San Francisco Giants released RHP Ray Black. |
| Apr 4, 2017 | Released | Ian Gardeck | — | San Francisco Giants | San Francisco Giants released RHP Ian Gardeck. |
| Apr 4, 2017 | Signed as free agent | Cody Buckel | — | Los Angeles Angels | Los Angeles Angels signed free agent RHP Cody Buckel to a minor league contract. |
| Apr 4, 2017 | Signed as free agent | Willians Astudillo | — | Arizona Diamondbacks | Arizona Diamondbacks signed free agent C Willians Astudillo to a minor league contract. |
| Apr 4, 2017 | Signed as free agent | Jair Jurrjens | — | Los Angeles Dodgers | Los Angeles Dodgers signed free agent RHP Jair Jurrjens to a minor league contract. |
| Apr 4, 2017 | Signed as free agent | Justin Masterson | — | Los Angeles Dodgers | Los Angeles Dodgers signed free agent RHP Justin Masterson to a minor league contract. |
| Apr 4, 2017 | Signed as free agent | Vance Worley | — | Miami Marlins | Miami Marlins signed free agent RHP Vance Worley to a minor league contract. |
| Apr 4, 2017 | Signed as free agent | Clayton Mortensen | — | Miami Marlins | Miami Marlins signed free agent RHP Clayton Mortensen to a minor league contract. |
| Apr 4, 2017 | Signed as free agent | Steve Lombardozzi Jr. | — | Miami Marlins | Miami Marlins signed free agent 2B Steve Lombardozzi to a minor league contract. |
| Apr 4, 2017 | Signed as free agent | Ozzie Martínez | — | Chicago Cubs | Chicago Cubs signed free agent SS Ozzie Martinez to a minor league contract. |
| Apr 4, 2017 | Signed as free agent | Joe Kuzia | — | Texas Rangers | Texas Rangers signed free agent RHP Joseph Kuzia to a minor league contract. |
| Apr 3, 2017 | Signed as free agent | Colin Walsh | — | Arizona Diamondbacks | Arizona Diamondbacks signed free agent 2B Colin Walsh to a minor league contract. |
| Apr 3, 2017 | Signed as free agent | Eddy Rodriguez | — | New York Yankees | New York Yankees signed free agent C Eddy Rodriguez to a minor league contract. |
| Apr 3, 2017 | Signed as free agent | Mark Montgomery | — | St. Louis Cardinals | St. Louis Cardinals signed free agent RHP Mark Montgomery to a minor league contract. |
| Apr 3, 2017 | Signed as free agent | Aaron Barrett | — | Washington Nationals | Washington Nationals signed free agent RHP Aaron Barrett to a minor league contract. |
| Apr 3, 2017 | Signed as free agent | Rex Brothers | — | Atlanta Braves | Atlanta Braves signed free agent LHP Rex Brothers to a minor league contract. |
| Apr 3, 2017 | Signed as free agent | Steve Bean | — | San Diego Padres | San Diego Padres signed free agent C Steve Bean to a minor league contract. |
| Apr 2, 2017 | Released | Tim Cooney | — | Cleveland Guardians | Cleveland Indians released LHP Tim Cooney. |
| Apr 2, 2017 | Signed as free agent | Dillon Gee | — | Texas Rangers | Texas Rangers signed free agent RHP Dillon Gee. |
| Apr 2, 2017 | Signed as free agent | Jared Hughes | — | Milwaukee Brewers | Milwaukee Brewers signed free agent RHP Jared Hughes. |
| Apr 2, 2017 | Released | B.J. Upton | — | Toronto Blue Jays | Toronto Blue Jays released LF Melvin Upton Jr.. |
| Apr 2, 2017 | Signed as free agent | Ryan Hanigan | — | Colorado Rockies | Colorado Rockies signed free agent C Ryan Hanigan to a minor league contract. |
| Apr 2, 2017 | Signed as free agent | Sharif Othman | — | New York Yankees | New York Yankees signed free agent C Sharif Othman to a minor league contract. |
| Apr 1, 2017 | Signed as free agent | Chris Coghlan | — | Toronto Blue Jays | Toronto Blue Jays signed free agent LF Chris Coghlan to a minor league contract. |
| Apr 1, 2017 | Signed as free agent | Mark Lowe | — | Seattle Mariners | Seattle Mariners signed free agent RHP Mark Lowe to a minor league contract. |
| Apr 1, 2017 | Signed as free agent | Ross Detwiler | — | Athletics | Oakland Athletics signed free agent LHP Ross Detwiler to a minor league contract. |
| Apr 1, 2017 | Signed as free agent | Dylan Rheault | — | San Francisco Giants | San Francisco Giants signed free agent RHP Dylan Rheault to a minor league contract. |
| Apr 1, 2017 | Signed as free agent | Carlos Garcia | — | San Francisco Giants | San Francisco Giants signed free agent OF Carlos Garcia to a minor league contract. |
| Apr 1, 2017 | Signed as free agent | Kelvin Nunez | — | Seattle Mariners | Seattle Mariners signed free agent RHP Kelvin Nunez to a minor league contract. |
| Apr 1, 2017 | Signed as free agent | Freiquik Sanchez | — | Seattle Mariners | Seattle Mariners signed free agent LHP Freiquik Sanchez to a minor league contract. |
| Apr 1, 2017 | Signed as free agent | Mitchell Osnowitz | — | Boston Red Sox | Boston Red Sox signed free agent RHP Mitchell Osnowitz to a minor league contract. |
| Apr 1, 2017 | Signed as free agent | Sean O'Connell | — | Los Angeles Dodgers | Los Angeles Dodgers signed free agent C Sean O'Connell to a minor league contract. |
| Mar 31, 2017 | Signed as free agent | Bryan Holaday | — | Detroit Tigers | Detroit Tigers signed free agent C Bryan Holaday to a minor league contract. |
| Mar 31, 2017 | Signed as free agent | Ryan Ripken | — | Baltimore Orioles | Baltimore Orioles signed free agent 1B Ryan Ripken to a minor league contract. |
| Mar 31, 2017 | Signed as free agent | Gordon Beckham | — | Seattle Mariners | Seattle Mariners signed free agent 2B Gordon Beckham to a minor league contract. |
| Mar 31, 2017 | Released | James Russell | — | Cleveland Guardians | Cleveland Indians released LHP James Russell. |
| Mar 31, 2017 | Released | Guillermo Quiroz | — | Cleveland Guardians | Cleveland Indians released C Guillermo Quiroz. |
| Mar 31, 2017 | Signed | Tirso Ornelas | — | San Diego Padres | San Diego Padres signed OF Tirso Ornelas. |
| Mar 30, 2017 | Signed as free agent | Bryan Solano | — | Houston Astros | Houston Astros signed free agent RHP Bryan Solano to a minor league contract. |
| Mar 30, 2017 | Released | Mike Pelfrey | — | Detroit Tigers | Detroit Tigers released RHP Mike Pelfrey. |
| Mar 30, 2017 | Signed as free agent | Paul Clemens | — | Minnesota Twins | Minnesota Twins signed free agent RHP Paul Clemens to a minor league contract. |
| Mar 30, 2017 | Signed as free agent | Kyle Twomey | — | Athletics | Oakland Athletics signed free agent LHP Kyle Twomey to a minor league contract. |
| Mar 29, 2017 | Released | Jared Hughes | — | Pittsburgh Pirates | Pittsburgh Pirates released RHP Jared Hughes. |
| Mar 29, 2017 | Signed as free agent | Jose Gaitan | — | Chicago Cubs | Chicago Cubs signed free agent OF Alonso Gaitan to a minor league contract. |
| Mar 29, 2017 | Signed as free agent | Joshua Rodriguez | — | New York Mets | New York Mets signed free agent SS Josh Rodriguez to a minor league contract. |
| Mar 29, 2017 | Released | Jeff Gelalich | — | Cincinnati Reds | Cincinnati Reds released OF Jeff Gelalich. |
| Mar 28, 2017 | Trade | Peter Bourjos | Chicago White Sox | Tampa Bay Rays | Chicago White Sox traded CF Peter Bourjos to Tampa Bay Rays for Player To Be Named Later. |
| Mar 28, 2017 | Trade | Alec Asher | Philadelphia Phillies | Baltimore Orioles | Philadelphia Phillies traded RHP Alec Asher to Baltimore Orioles for cash. |
| Mar 28, 2017 | Released | Paco Rodríguez | — | Atlanta Braves | Atlanta Braves released LHP Paco Rodriguez. |
| Mar 28, 2017 | Released | Deunte Heath | — | Cincinnati Reds | Cincinnati Reds released RHP Deunte Heath. |
| Mar 28, 2017 | Signed as free agent | Julio Meza | — | Tampa Bay Rays | Tampa Bay Rays signed free agent C Julio Meza to a minor league contract. |
| Mar 28, 2017 | Signed as free agent | Miguel Alvarez | — | Athletics | Oakland Athletics signed free agent LHP Miguel Alvarez to a minor league contract. |
| Mar 28, 2017 | Signed as free agent | Rafael Brito | — | Milwaukee Brewers | Milwaukee Brewers signed free agent SS Rafael Brito to a minor league contract. |
| Mar 28, 2017 | Signed as free agent | James Lovett | — | Philadelphia Phillies | Philadelphia Phillies signed free agent IF James Lovett to a minor league contract. |
| Mar 28, 2017 | Signed as free agent | David Perez | — | Los Angeles Angels | Los Angeles Angels signed free agent RHP David Perez to a minor league contract. |
| Mar 28, 2017 | Released | Michael Kirkman | — | Atlanta Braves | Atlanta Braves released LHP Michael Kirkman. |
| Mar 28, 2017 | Signed as free agent | Jonathon Niese | — | New York Yankees | New York Yankees signed free agent LHP Jonathon Niese to a minor league contract. |
| Mar 27, 2017 | Signed as free agent | Emilio Alfonzo | — | Tampa Bay Rays | Tampa Bay Rays signed free agent RHP Emilio Alfonzo to a minor league contract. |
| Mar 27, 2017 | Released | Bryan Holaday | — | Philadelphia Phillies | Philadelphia Phillies released C Bryan Holaday. |
| Mar 27, 2017 | Signed as free agent | Ryan Webb | — | San Francisco Giants | San Francisco Giants signed free agent RHP Ryan Webb to a minor league contract. |
| Mar 27, 2017 | Signed as free agent | Adam Kolarek | — | Tampa Bay Rays | Tampa Bay Rays signed free agent LHP Adam Kolarek to a minor league contract. |
| Mar 27, 2017 | Signed as free agent | Jonny Venters | — | Tampa Bay Rays | Tampa Bay Rays signed free agent LHP Jonny Venters to a minor league contract. |
| Mar 27, 2017 | Signed as free agent | Brandon Peterson | — | Los Angeles Angels | Los Angeles Angels signed free agent RHP Brandon Peterson to a minor league contract. |
| Mar 26, 2017 | Released | Drew Stubbs | — | Minnesota Twins | Minnesota Twins released CF Drew Stubbs. |
| Mar 26, 2017 | Released | Mark Lowe | — | Detroit Tigers | Detroit Tigers released RHP Mark Lowe. |
| Mar 26, 2017 | Signed as free agent | Derek Norris | — | Tampa Bay Rays | Tampa Bay Rays signed free agent C Derek Norris to a minor league contract. |
| Mar 26, 2017 | Signed as free agent | David Hernandez | — | Atlanta Braves | Atlanta Braves signed free agent RHP David Hernandez to a minor league contract. |
| Mar 26, 2017 | Signed as free agent | Victor Vasquez | — | Milwaukee Brewers | Milwaukee Brewers signed free agent RHP Victor Vasquez to a minor league contract. |
| Mar 25, 2017 | Released | Jonathon Niese | — | New York Yankees | New York Yankees released LHP Jonathon Niese. |
| Mar 25, 2017 | Released | Shane Hoelscher | — | Colorado Rockies | Colorado Rockies released 3B Shane Hoelscher. |
| Mar 24, 2017 | Signed as free agent | Fermin Villasmil | — | Tampa Bay Rays | Tampa Bay Rays signed free agent C Fermin Villasmil to a minor league contract. |
| Mar 24, 2017 | Signed as free agent | Evan Smith | — | Los Angeles Angels | Los Angeles Angels signed free agent LHP Evan Smith to a minor league contract. |
| Mar 23, 2017 | Signed as free agent | Yeury Gervacio | — | New York Mets | New York Mets signed free agent LHP Yeury Gervaci to a minor league contract. |
| Mar 23, 2017 | Signed as free agent | Anderson Munoz | — | Minnesota Twins | Minnesota Twins signed free agent RHP Anderson Munoz to a minor league contract. |
| Mar 23, 2017 | Released | Gordon Beckham | — | San Francisco Giants | San Francisco Giants released 2B Gordon Beckham. |
| Mar 23, 2017 | Signed as free agent | Jon Fitzsimmons | — | Los Angeles Angels | Los Angeles Angels signed free agent RHP Jon Fitzsimmons to a minor league contract. |
| Mar 22, 2017 | Signed as free agent | Osman Guanipa | — | Texas Rangers | Texas Rangers signed free agent SS Osman Guanipa to a minor league contract. |
| Mar 22, 2017 | Signed as free agent | Fabricio Reina | — | Houston Astros | Houston Astros signed free agent RHP Fabricio Reina to a minor league contract. |
| Mar 22, 2017 | Signed as free agent | Carlos Naveda | — | Texas Rangers | Texas Rangers signed free agent RHP Carlos Naveda to a minor league contract. |
| Mar 22, 2017 | Signed as free agent | Manuel Santiago | — | Texas Rangers | Texas Rangers signed free agent LHP Manuel Santiago to a minor league contract. |
| Mar 22, 2017 | Released | Nick Neumann | — | Pittsburgh Pirates | Pittsburgh Pirates released RHP Nick Neumann. |
| Mar 22, 2017 | Signed as free agent | Kyle Halbohn | — | Los Angeles Angels | Los Angeles Angels signed free agent RHP Kyle Halbohn to a minor league contract. |
| Mar 21, 2017 | Signed as free agent | Mayky Perez | — | Los Angeles Angels | Los Angeles Angels signed free agent RHP Mayky Perez to a minor league contract. |
| Mar 20, 2017 | Released | Paul Clemens | — | San Diego Padres | San Diego Padres released RHP Paul Clemens. |
| Mar 20, 2017 | Signed as free agent | Steven Cruz | — | Minnesota Twins | Minnesota Twins signed free agent RHP Steven Cruz to a minor league contract. |
| Mar 20, 2017 | Signed as free agent | Hector Rodriguez | — | New York Mets | New York Mets signed free agent LHP Hector Rodriguez to a minor league contract. |
| Mar 20, 2017 | Signed as free agent | Joe Rogers | — | Atlanta Braves | Atlanta Braves signed free agent LHP Joe Rogers to a minor league contract. |
| Mar 20, 2017 | Signed as free agent | Josh Merrigan | — | Los Angeles Angels | Los Angeles Angels signed free agent OF Josh Merrigan to a minor league contract. |
| Mar 20, 2017 | Signed as free agent | Jason Heinrich | — | Baltimore Orioles | Baltimore Orioles signed free agent OF Jason Heinrich to a minor league contract. |
| Mar 19, 2017 | Trade | Brandon Dulin | Kansas City Royals | Chicago White Sox | Kansas City Royals traded 1B Brandon Dulin to Chicago White Sox for Player To Be Named Later. |
| Mar 18, 2017 | Signed as free agent | Jesus Nunez | — | Los Angeles Angels | Los Angeles Angels signed free agent SS Jesus Nunez to a minor league contract. |
| Mar 17, 2017 | Signed as free agent | Marlon Marcano | — | Los Angeles Angels | Los Angeles Angels signed free agent C Marlon Marcano to a minor league contract. |
| Mar 17, 2017 | Signed as free agent | Robert Javier | — | New York Yankees | New York Yankees signed free agent OF Robert Javier to a minor league contract. |
| Mar 16, 2017 | Signed as free agent | Ernesto Frieri | — | New York Yankees | New York Yankees signed free agent RHP Ernesto Frieri to a minor league contract and invited him to spring training. |
| Mar 16, 2017 | Signed as free agent | Dayeison Arias | — | Seattle Mariners | Seattle Mariners signed free agent RHP Dayeison Arias to a minor league contract. |
| Mar 16, 2017 | Signed as free agent | Dany Hernandez | — | Pittsburgh Pirates | Pittsburgh Pirates signed free agent RHP Dany Hernandez to a minor league contract. |
| Mar 16, 2017 | Signed as free agent | Jose Rivera | — | Philadelphia Phillies | Philadelphia Phillies signed free agent 2B Jose Rivera to a minor league contract. |
| Mar 16, 2017 | Signed as free agent | Jose Parra | — | Milwaukee Brewers | Milwaukee Brewers signed free agent RHP Jose Parra to a minor league contract. |
| Mar 16, 2017 | Signed as free agent | Julio Raudez | — | Milwaukee Brewers | Milwaukee Brewers signed free agent RHP Julio Raudez to a minor league contract. |
| Mar 16, 2017 | Signed as free agent | Wellington Diaz | — | New York Yankees | New York Yankees signed free agent RHP Wellington Diaz to a minor league contract. |
| Mar 15, 2017 | Released | Derek Norris | — | Washington Nationals | Washington Nationals released C Derek Norris. |
| Mar 15, 2017 | Released | Logan Ondrusek | — | Baltimore Orioles | Baltimore Orioles released RHP Logan Ondrusek. |
| Mar 15, 2017 | Signed as free agent | Santiago Blanco | — | Chicago Cubs | Chicago Cubs signed free agent SS Santiago Blanco to a minor league contract. |
| Mar 15, 2017 | Signed as free agent | Dominique Collie | — | Arizona Diamondbacks | Arizona Diamondbacks signed free agent CF Dominique Collie to a minor league contract. |
| Mar 15, 2017 | Signed as free agent | Jose Miguel Gonzalez | — | Chicago Cubs | Chicago Cubs signed free agent RHP Jose Gonzalez to a minor league contract. |
| Mar 15, 2017 | Signed as free agent | Moises Lugo | — | San Diego Padres | San Diego Padres signed free agent RHP Moises Lugo to a minor league contract. |
| Mar 15, 2017 | Signed as free agent | Ervis Marchan | — | Chicago Cubs | Chicago Cubs signed free agent OF Ervis Marchan to a minor league contract. |
| Mar 15, 2017 | Signed as free agent | Francisco Ortiz | — | Colorado Rockies | Colorado Rockies signed free agent C Francisco Ortiz to a minor league contract. |
| Mar 15, 2017 | Signed as free agent | Eduarniel Núñez | — | Chicago Cubs | Chicago Cubs signed free agent RHP Eduarniel Nunez to a minor league contract. |
| Mar 15, 2017 | Signed as free agent | Joey Wong | — | Seattle Mariners | Seattle Mariners signed free agent SS Joey Wong to a minor league contract. |
| Mar 14, 2017 | Signed as free agent | Andrew Bellatti | — | Baltimore Orioles | Baltimore Orioles signed free agent RHP Andrew Bellatti to a minor league contract. |
| Mar 14, 2017 | Signed as free agent | Osvaldo Bido | — | Pittsburgh Pirates | Pittsburgh Pirates signed free agent RHP Osvaldo Bido to a minor league contract. |
| Mar 14, 2017 | Signed as free agent | Jean Eusebio | — | Pittsburgh Pirates | Pittsburgh Pirates signed free agent OF Jean Eusebio to a minor league contract. |
| Mar 14, 2017 | Signed as free agent | Yeyker Caygua | — | Texas Rangers | Texas Rangers signed free agent SS Yeyker Caygua to a minor league contract. |
| Mar 13, 2017 | Signed as free agent | Pedro Álvarez | — | Baltimore Orioles | Baltimore Orioles signed free agent DH Pedro Alvarez to a minor league contract and invited him to spring training. |
| Mar 13, 2017 | Signed as free agent | Osvaldo Hernandez | — | San Diego Padres | San Diego Padres signed free agent LHP Osvaldo Hernandez to a minor league contract. |
| Mar 13, 2017 | Signed as free agent | Daritzon Feliz | — | Cleveland Guardians | Cleveland Indians signed free agent LHP Daritzon Feliz to a minor league contract. |
| Mar 12, 2017 | Trade | Joey Curletta | Philadelphia Phillies | Seattle Mariners | Philadelphia Phillies traded RF Joey Curletta to Seattle Mariners for SHP Pat Venditte. |
| Mar 12, 2017 | Signed as free agent | Johan Gomez | — | Washington Nationals | Washington Nationals signed free agent RHP Johan Gomez to a minor league contract. |
| Mar 12, 2017 | Signed as free agent | Alejandro Vallejo | — | Washington Nationals | Washington Nationals signed free agent RHP Alejandro Vallejo to a minor league contract. |
| Mar 11, 2017 | Signed as free agent | Malik Collymore | — | Cincinnati Reds | Cincinnati Reds signed free agent OF Malik Collymore to a minor league contract. |
| Mar 10, 2017 | Signed as free agent | Wilberson Liendo | — | Philadelphia Phillies | Philadelphia Phillies signed free agent RHP Wilberson Liendo to a minor league contract. |
| Mar 10, 2017 | Signed as free agent | Jason Coats | — | Tampa Bay Rays | Tampa Bay Rays signed free agent OF Jason Coats to a minor league contract. |
| Mar 9, 2017 | Signed as free agent | Jender De Jesus | — | New York Mets | New York Mets signed free agent RHP Jender De Jesus to a minor league contract. |
| Mar 8, 2017 | Signed as free agent | Danny Hoy | — | New York Mets | New York Mets signed free agent SS Danny Hoy to a minor league contract. |
| Mar 8, 2017 | Signed as free agent | Marco Van Der Wijst | — | Houston Astros | Houston Astros signed free agent 3B Oliver Van Der Wijst to a minor league contract. |
| Mar 8, 2017 | Signed as free agent | Maikol Escalona | — | Texas Rangers | Texas Rangers signed free agent LHP Maikol Escalona to a minor league contract. |
| Mar 7, 2017 | Signed as free agent | Joensy Abreu | — | New York Yankees | New York Yankees signed free agent RHP Joensy Abreu to a minor league contract. |
| Mar 7, 2017 | Signed as free agent | Freddy Barreto | — | Philadelphia Phillies | Philadelphia Phillies signed free agent C Freddy Barreto to a minor league contract. |
| Mar 7, 2017 | Signed as free agent | Jose Conopoima | — | Philadelphia Phillies | Philadelphia Phillies signed free agent RHP Jose Conopoima to a minor league contract. |
| Mar 7, 2017 | Signed as free agent | Brandon Cummins | — | Chicago Cubs | Chicago Cubs signed free agent OF Brandon Cummins to a minor league contract. |
| Mar 7, 2017 | Signed as free agent | Alian Silva | — | Washington Nationals | Washington Nationals signed free agent 2B Alian Silva to a minor league contract. |
| Mar 6, 2017 | Signed as free agent | Frainger Aranguren | — | Cincinnati Reds | Cincinnati Reds signed free agent RHP Frainger Aranguren to a minor league contract. |
| Mar 6, 2017 | Signed as free agent | Manuel Cachutt | — | Cincinnati Reds | Cincinnati Reds signed free agent RHP Manuel Cachutt to a minor league contract. |
| Mar 4, 2017 | Signed as free agent | Eduardo Salazar | — | Cincinnati Reds | Cincinnati Reds signed free agent RHP Eduardo Salazar to a minor league contract. |
| Mar 4, 2017 | Signed as free agent | Donovan Hand | — | New York Mets | New York Mets signed free agent RHP Donovan Hand to a minor league contract. |
| Mar 4, 2017 | Signed as free agent | Alex Wojciechowski | — | Philadelphia Phillies | Philadelphia Phillies signed free agent 1B Alex Wojciechowski to a minor league contract. |
| Mar 4, 2017 | Signed as free agent | Justin Brantley | — | New York Mets | New York Mets signed free agent RHP Justin Brantley to a minor league contract. |
| Mar 4, 2017 | Signed as free agent | Jonny Drozd | — | Minnesota Twins | Minnesota Twins signed free agent LHP Jonny Drozd to a minor league contract. |
| Mar 4, 2017 | Signed as free agent | Jevi Hernandez | — | Philadelphia Phillies | Philadelphia Phillies signed free agent OF Jevi Hernandez to a minor league contract. |
| Mar 3, 2017 | Released | Brett Lawrie | — | Chicago White Sox | Chicago White Sox released 2B Brett Lawrie. |
| Mar 3, 2017 | Signed as free agent | Adrian Alcantara | — | Kansas City Royals | Kansas City Royals signed free agent RHP Adrian Alcantara to a minor league contract. |
| Mar 3, 2017 | Signed as free agent | Leon Byrd | — | New York Mets | New York Mets signed free agent 2B Leon Byrd to a minor league contract. |
| Mar 2, 2017 | Signed as free agent | Joe Blanton | — | Washington Nationals | Washington Nationals signed free agent RHP Joe Blanton. |
| Mar 2, 2017 | Signed as free agent | Franklin De La Paz | — | Los Angeles Dodgers | Los Angeles Dodgers signed free agent LHP Franklin De La Paz to a minor league contract. |
| Mar 2, 2017 | Signed as free agent | Jake Dunning | — | Chicago White Sox | Chicago White Sox signed free agent RHP Jake Dunning to a minor league contract. |
| Mar 1, 2017 | Trade | Drew Jackson | Seattle Mariners | Los Angeles Dodgers | Los Angeles Dodgers traded RHP Chase De Jong to Seattle Mariners for RHP Aneurys Zabala and SS Drew Jackson. |
| Mar 1, 2017 | Signed as free agent | Zachary Rafferty | — | Chicago Cubs | Chicago Cubs signed free agent RHP Zachary Rafferty to a minor league contract. |
| Mar 1, 2017 | Signed as free agent | John Lannan | — | Washington Nationals | Washington Nationals signed free agent LHP John Lannan to a minor league contract. |
| Mar 1, 2017 | Signed as free agent | Brandon Sisk | — | Seattle Mariners | Seattle Mariners signed free agent LHP Brandon Sisk to a minor league contract. |
| Feb 28, 2017 | Signed as free agent | Luis Valdes | — | Detroit Tigers | Detroit Tigers signed free agent SS Luis Valdes to a minor league contract. |
| Feb 28, 2017 | Signed as free agent | Kida De La Cruz | — | Los Angeles Angels | Los Angeles Angels signed free agent RHP Kida De La Cruz to a minor league contract. |
| Feb 28, 2017 | Signed as free agent | Manuel Herazo | — | Los Angeles Angels | Los Angeles Angels signed free agent C Manuel Herazo to a minor league contract. |
| Feb 28, 2017 | Signed as free agent | Matt Buschmann | — | Toronto Blue Jays | Toronto Blue Jays signed free agent RHP Matt Buschmann to a minor league contract. |
| Feb 28, 2017 | Signed as free agent | Juan Reyes | — | Miami Marlins | Miami Marlins signed free agent LHP Juan Reyes to a minor league contract. |
| Feb 28, 2017 | Signed as free agent | Colten Brewer | — | New York Yankees | New York Yankees signed free agent RHP Colten Brewer to a minor league contract and invited him to spring training. |
| Feb 27, 2017 | Signed as free agent | Tyler Ladendorf | — | Chicago White Sox | Chicago White Sox signed free agent 2B Tyler Ladendorf to a minor league contract. |
| Feb 26, 2017 | Signed | Luis Nin | — | San Diego Padres | San Diego Padres signed RHP Luis Nin. |
| Feb 25, 2017 | Signed as free agent | Paul Janish | — | Baltimore Orioles | Baltimore Orioles signed free agent SS Paul Janish to a minor league contract and invited him to spring training. |
| Feb 25, 2017 | Signed as free agent | Jose Paez | — | Baltimore Orioles | Baltimore Orioles signed free agent OF Jose Paez to a minor league contract. |
| Feb 25, 2017 | Signed as free agent | Evan Sanders | — | Minnesota Twins | Minnesota Twins signed free agent LHP Evan Sanders to a minor league contract. |
| Feb 25, 2017 | Signed as free agent | Darrell Miller | — | Kansas City Royals | Kansas City Royals signed free agent C Darrell Miller to a minor league contract. |
| Feb 24, 2017 | Signed as free agent | Matt Wieters | — | Washington Nationals | Washington Nationals signed free agent C Matt Wieters. |
| Feb 24, 2017 | Signed as free agent | Sanders Commings | — | Atlanta Braves | Atlanta Braves signed free agent OF Sanders Commings to a minor league contract. |
| Feb 24, 2017 | Released | T.J. McFarland | — | Baltimore Orioles | Baltimore Orioles released LHP T.J. McFarland. |
| Feb 24, 2017 | Signed as free agent | Adolis García | — | St. Louis Cardinals | St. Louis Cardinals signed free agent OF Jose Adolis Garcia to a minor league contract and invited him to spring training. |
| Feb 23, 2017 | Signed as free agent | Freuddy Batista | — | Seattle Mariners | Seattle Mariners signed free agent C Freuddy Batista to a minor league contract. |
| Feb 23, 2017 | Signed as free agent | Jepherson Garcia | — | Seattle Mariners | Seattle Mariners signed free agent OF Jepherson Garcia to a minor league contract. |
| Feb 23, 2017 | Signed as free agent | Seth Rosin | — | Minnesota Twins | Minnesota Twins signed free agent RHP Seth Rosin to a minor league contract. |
| Feb 23, 2017 | Signed as free agent | Kevin Keyes | — | Texas Rangers | Texas Rangers signed free agent OF Kevin Keyes to a minor league contract. |
| Feb 22, 2017 | Signed as free agent | Michael Bourn | — | Baltimore Orioles | Baltimore Orioles signed free agent CF Michael Bourn to a minor league contract and invited him to spring training. |
| Feb 22, 2017 | Signed as free agent | Jonny Romero | — | Los Angeles Dodgers | Los Angeles Dodgers signed free agent RHP Jonny Romero to a minor league contract. |
| Feb 22, 2017 | Signed as free agent | Davis Tavárez | — | Baltimore Orioles | Baltimore Orioles signed free agent OF Davis Tavarez to a minor league contract. |
| Feb 21, 2017 | Trade | Richard Bleier | New York Yankees | Baltimore Orioles | New York Yankees traded LHP Richard Bleier to Baltimore Orioles for Player To Be Named Later. |
| Feb 20, 2017 | Signed as free agent | Danny Muno | — | Detroit Tigers | Detroit Tigers signed free agent 3B Danny Muno to a minor league contract. |
| Feb 20, 2017 | Signed as free agent | Matt Murton | — | Detroit Tigers | Detroit Tigers signed free agent LF Matt Murton to a minor league contract. |
| Feb 20, 2017 | Signed as free agent | Craig Gentry | — | Baltimore Orioles | Baltimore Orioles signed free agent LF Craig Gentry to a minor league contract and invited him to spring training. |
| Feb 20, 2017 | Signed as free agent | Franklin Gutierrez | — | Los Angeles Dodgers | Los Angeles Dodgers signed free agent LF Franklin Gutierrez. |
| Feb 20, 2017 | Signed as free agent | Jonathon Niese | — | New York Yankees | New York Yankees signed free agent LHP Jonathon Niese to a minor league contract and invited him to spring training. |
| Feb 19, 2017 | Signed as free agent | Jered Weaver | — | San Diego Padres | San Diego Padres signed free agent RHP Jered Weaver. |
| Feb 19, 2017 | Signed as free agent | Jorge De La Rosa | — | Arizona Diamondbacks | Arizona Diamondbacks signed free agent LHP Jorge De La Rosa to a minor league contract and invited him to spring training. |
| Feb 19, 2017 | Trade | Vidal Nuño | Los Angeles Dodgers | Baltimore Orioles | Los Angeles Dodgers traded LHP Vidal Nuno to Baltimore Orioles for RHP Ryan Moseley. |
| Feb 19, 2017 | Signed as free agent | Ryan Raburn | — | Cincinnati Reds | Cincinnati Reds signed free agent LF Ryan Raburn to a minor league contract and invited him to spring training. |
| Feb 19, 2017 | Signed as free agent | Wilfredo Boscan | — | New York Mets | New York Mets signed free agent RHP Wilfredo Boscan to a minor league contract. |
| Feb 18, 2017 | Signed as free agent | Chase Utley | — | Los Angeles Dodgers | Los Angeles Dodgers signed free agent 2B Chase Utley. |
| Feb 18, 2017 | Released | Darin Ruf | — | Los Angeles Dodgers | Los Angeles Dodgers released 1B Darin Ruf. |
| Feb 18, 2017 | Signed as free agent | Mike Olt | — | Boston Red Sox | Boston Red Sox signed free agent 3B Mike Olt to a minor league contract. |
| Feb 17, 2017 | Signed as free agent | A.J. Jimenez | — | Texas Rangers | Texas Rangers signed free agent C A.J. Jimenez to a minor league contract and invited him to spring training. |
| Feb 17, 2017 | Signed as free agent | Patrick McCoy | — | Cleveland Guardians | Cleveland Indians signed free agent LHP Patrick McCoy to a minor league contract. |
| Feb 17, 2017 | Signed as free agent | Edrick Agosto | — | Los Angeles Angels | Los Angeles Angels signed free agent RHP Edrick Agosto to a minor league contract. |
| Feb 16, 2017 | Signed as free agent | Mike Napoli | — | Texas Rangers | Texas Rangers signed free agent 1B Mike Napoli. |
| Feb 16, 2017 | Signed as free agent | Chris Carter | — | New York Yankees | New York Yankees signed free agent 1B Chris Carter. |
| Feb 16, 2017 | Signed as free agent | Mat Latos | — | Toronto Blue Jays | Toronto Blue Jays signed free agent RHP Mat Latos to a minor league contract and invited him to spring training. |
| Feb 16, 2017 | Signed as free agent | Samy Apolinar | — | Los Angeles Angels | Los Angeles Angels signed free agent C Samy Apolinar to a minor league contract. |
| Feb 16, 2017 | Signed as free agent | Freddvil Chevez | — | Tampa Bay Rays | Tampa Bay Rays signed free agent 1B Freddvil Chevez to a minor league contract. |
| Feb 16, 2017 | Signed as free agent | Liu Fuenmayor | — | Arizona Diamondbacks | Arizona Diamondbacks signed free agent LHP Liu Fuenmayor to a minor league contract. |
| Feb 16, 2017 | Signed as free agent | Luis Nova | — | Los Angeles Angels | Los Angeles Angels signed free agent RHP Luis Nova to a minor league contract. |
| Feb 16, 2017 | Signed as free agent | Jose Tabata | — | Toronto Blue Jays | Toronto Blue Jays signed free agent OF Jose Tabata to a minor league contract. |
| Feb 15, 2017 | Signed as free agent | Fernando Salas | — | New York Mets | New York Mets signed free agent RHP Fernando Salas. |
| Feb 15, 2017 | Signed as free agent | Travis Wood | — | Kansas City Royals | Kansas City Royals signed free agent LHP Travis Wood. |
| Feb 15, 2017 | Signed as free agent | James Russell | — | Cleveland Guardians | Cleveland Indians signed free agent LHP James Russell to a minor league contract and invited him to spring training. |
| Feb 15, 2017 | Signed as free agent | Juan Francisco | — | Baltimore Orioles | Baltimore Orioles signed free agent 1B Juan Francisco to a minor league contract. |
| Feb 15, 2017 | Signed as free agent | Michael Choice | — | Baltimore Orioles | Baltimore Orioles signed free agent RF Michael Choice to a minor league contract. |
| Feb 15, 2017 | Signed as free agent | Sergio Romo | — | Los Angeles Dodgers | Los Angeles Dodgers signed free agent RHP Sergio Romo. |
| Feb 15, 2017 | Signed as free agent | Adam Lind | — | Washington Nationals | Washington Nationals signed free agent 1B Adam Lind. |
| Feb 15, 2017 | Signed as free agent | Tom Gorzelanny | — | New York Mets | New York Mets signed free agent LHP Tom Gorzelanny to a minor league contract and invited him to spring training. |
| Feb 15, 2017 | Signed as free agent | Yoel De Leon | — | Los Angeles Angels | Los Angeles Angels signed free agent LHP Yoel De Leon to a minor league contract. |
| Feb 15, 2017 | Signed as free agent | Robinson Piña | — | Los Angeles Angels | Los Angeles Angels signed free agent RHP Robinson Pina to a minor league contract. |
| Feb 15, 2017 | Signed as free agent | Oliver Rosario | — | Arizona Diamondbacks | Arizona Diamondbacks signed free agent LHP Oliver Rosario to a minor league contract. |
| Feb 15, 2017 | Signed as free agent | Marcos Tineo | — | Arizona Diamondbacks | Arizona Diamondbacks signed free agent RHP Marcos Tineo to a minor league contract. |
| Feb 15, 2017 | Signed as free agent | Josh Judy | — | Seattle Mariners | Seattle Mariners signed free agent RHP Josh Judy to a minor league contract. |
| Feb 14, 2017 | Signed as free agent | Chris Narveson | — | Cleveland Guardians | Cleveland Indians signed free agent LHP Chris Narveson to a minor league contract and invited him to spring training. |
| Feb 14, 2017 | Signed as free agent | Nathan Eovaldi | — | Tampa Bay Rays | Tampa Bay Rays signed free agent RHP Nathan Eovaldi. |
| Feb 14, 2017 | Signed as free agent | Cesar Salazar | — | Minnesota Twins | Minnesota Twins signed free agent OF Cesar Salazar to a minor league contract. |
| Feb 14, 2017 | Trade | Eddie Gamboa | Tampa Bay Rays | Texas Rangers | Tampa Bay Rays traded RHP Eddie Gamboa to Texas Rangers for Player To Be Named Later. |
| Feb 14, 2017 | Signed as free agent | Nick Noonan | — | Milwaukee Brewers | Milwaukee Brewers signed free agent SS Nick Noonan to a minor league contract. |
| Feb 14, 2017 | Signed as free agent | Bronson Arroyo | — | Cincinnati Reds | Cincinnati Reds signed free agent RHP Bronson Arroyo to a minor league contract and invited him to spring training. |
| Feb 14, 2017 | Signed as free agent | David Hernandez | — | San Francisco Giants | San Francisco Giants signed free agent RHP David Hernandez to a minor league contract and invited him to spring training. |
| Feb 14, 2017 | Signed as free agent | Shao-Pin Ho | — | Miami Marlins | Miami Marlins signed free agent SS Shao-Pin Ho to a minor league contract. |
| Feb 14, 2017 | Signed as free agent | Juan Bidau | — | Texas Rangers | Texas Rangers signed free agent IF Juan Bidau to a minor league contract. |
| Feb 13, 2017 | Signed as free agent | Brian Matusz | — | Arizona Diamondbacks | Arizona Diamondbacks signed free agent LHP Brian Matusz to a minor league contract and invited him to spring training. |
| Feb 13, 2017 | Signed as free agent | Kevin Jepsen | — | Arizona Diamondbacks | Arizona Diamondbacks signed free agent RHP Kevin Jepsen to a minor league contract and invited him to spring training. |
| Feb 13, 2017 | Signed as free agent | Adam Loewen | — | Texas Rangers | Texas Rangers signed free agent LHP Adam Loewen to a minor league contract and invited him to spring training. |
| Feb 13, 2017 | Signed as free agent | Bobby LaFromboise | — | Texas Rangers | Texas Rangers signed free agent LHP Bobby LaFromboise to a minor league contract. |
| Feb 13, 2017 | Released | A.J. Jimenez | — | Toronto Blue Jays | Toronto Blue Jays released C A.J. Jimenez. |
| Feb 13, 2017 | Signed as free agent | Denilson Lugo | — | Houston Astros | Houston Astros signed free agent LHP Denilson Lugo to a minor league contract. |
| Feb 13, 2017 | Signed as free agent | Jesus Rosario | — | Miami Marlins | Miami Marlins signed free agent RHP Jesus Rosario to a minor league contract. |
| Feb 13, 2017 | Signed as free agent | Nathanael Ventura | — | Houston Astros | Houston Astros signed free agent LHP Nathanael Ventura to a minor league contract. |
| Feb 13, 2017 | Signed as free agent | Wiston Cerrato | — | Atlanta Braves | Atlanta Braves signed free agent C Wiston Cerrato to a minor league contract. |
| Feb 13, 2017 | Signed as free agent | Randy McCurry | — | Chicago Cubs | Chicago Cubs signed free agent RHP Randy McCurry to a minor league contract. |
| Feb 12, 2017 | Trade | Brandon Phillips | Cincinnati Reds | Atlanta Braves | Cincinnati Reds traded 2B Brandon Phillips to Atlanta Braves for LHP Andrew McKirahan and RHP Carlos Portuondo. |
| Feb 12, 2017 | Signed as free agent | Matt Beattie | — | Detroit Tigers | Detroit Tigers signed free agent RHP Matt Beattie to a minor league contract. |
| Feb 11, 2017 | Signed as free agent | Anthony Bass | — | Texas Rangers | Texas Rangers signed free agent RHP Anthony Bass to a minor league contract and invited him to spring training. |
| Feb 11, 2017 | Signed as free agent | Jeremy Guthrie | — | Washington Nationals | Washington Nationals signed free agent RHP Jeremy Guthrie to a minor league contract and invited him to spring training. |
| Feb 11, 2017 | Signed as free agent | Neal Cotts | — | Washington Nationals | Washington Nationals signed free agent LHP Neal Cotts to a minor league contract and invited him to spring training. |
| Feb 10, 2017 | Trade | Gabriel Ynoa | New York Mets | Baltimore Orioles | New York Mets traded RHP Gabriel Ynoa to Baltimore Orioles for cash. |
| Feb 10, 2017 | Trade | Austin Adams | Cleveland Guardians | Los Angeles Angels | Cleveland Indians traded RHP Austin Adams to Los Angeles Angels for cash. |
| Feb 10, 2017 | Signed as free agent | Luis Pérez | — | Cleveland Guardians | Cleveland Indians signed free agent LHP Luis Perez to a minor league contract. |
| Feb 10, 2017 | Trade | Phil Gosselin | Arizona Diamondbacks | Pittsburgh Pirates | Arizona Diamondbacks traded 2B Phil Gosselin to Pittsburgh Pirates for RHP Frank Duncan. |
| Feb 10, 2017 | Signed as free agent | Tom Wilhelmsen | — | Arizona Diamondbacks | Arizona Diamondbacks signed free agent RHP Tom Wilhelmsen to a minor league contract and invited him to spring training. |
| Feb 10, 2017 | Signed as free agent | Luciano De La Cruz | — | Minnesota Twins | Minnesota Twins signed free agent LHP Luciano De La Cruz to a minor league contract. |
| Feb 10, 2017 | Signed as free agent | Jose Palma | — | Atlanta Braves | Atlanta Braves signed free agent OF Jose Palma to a minor league contract. |
| Feb 10, 2017 | Signed as free agent | Rafael Prensa | — | Tampa Bay Rays | Tampa Bay Rays signed free agent RHP Rafael Prensa to a minor league contract. |
| Feb 10, 2017 | Signed as free agent | Edgar Sanchez | — | Miami Marlins | Miami Marlins signed free agent RHP Edgar Sanchez to a minor league contract. |
| Feb 9, 2017 | Signed as free agent | Jake Elmore | — | Toronto Blue Jays | Toronto Blue Jays signed free agent 2B Jake Elmore to a minor league contract and invited him to spring training. |
| Feb 9, 2017 | Signed as free agent | J.P. Howell | — | Toronto Blue Jays | Toronto Blue Jays signed free agent LHP J.P. Howell. |
| Feb 9, 2017 | Signed as free agent | Hank Conger | — | Arizona Diamondbacks | Arizona Diamondbacks signed free agent C Hank Conger to a minor league contract and invited him to spring training. |
| Feb 9, 2017 | Signed as free agent | Jerry Blevins | — | New York Mets | New York Mets signed free agent LHP Jerry Blevins. |
| Feb 9, 2017 | Trade | Pat Light | Minnesota Twins | Pittsburgh Pirates | Minnesota Twins traded RHP Pat Light to Pittsburgh Pirates for Player To Be Named Later. |
| Feb 9, 2017 | Signed as free agent | Desmond Jennings | — | Cincinnati Reds | Cincinnati Reds signed free agent OF Desmond Jennings to a minor league contract and invited him to spring training. |
| Feb 9, 2017 | Signed as free agent | Joe Smith | — | Toronto Blue Jays | Toronto Blue Jays signed free agent RHP Joe Smith. |
| Feb 9, 2017 | Signed as free agent | Craig Breslow | — | Minnesota Twins | Minnesota Twins signed free agent LHP Craig Breslow to a minor league contract and invited him to spring training. |
| Feb 9, 2017 | Signed as free agent | Rodolfo Fajardo | — | Detroit Tigers | Detroit Tigers signed free agent LHP Rodolfo Fajardo to a minor league contract. |
| Feb 9, 2017 | Signed as free agent | George Carroll | — | Toronto Blue Jays | Toronto Blue Jays signed free agent 1B George Carroll to a minor league contract. |
| Feb 8, 2017 | Signed as free agent | David Lough | — | Detroit Tigers | Detroit Tigers signed free agent OF David Lough to a minor league contract. |
| Feb 8, 2017 | Signed as free agent | Mike Zagurski | — | Detroit Tigers | Detroit Tigers signed free agent LHP Mike Zagurski to a minor league contract. |
| Feb 8, 2017 | Trade | Jesús Sucre | Seattle Mariners | Tampa Bay Rays | Seattle Mariners traded C Jesus Sucre to Tampa Bay Rays for Player To Be Named Later. |
| Feb 8, 2017 | Signed as free agent | Jason Hammel | — | Kansas City Royals | Kansas City Royals signed free agent RHP Jason Hammel. |
| Feb 8, 2017 | Signed as free agent | Yusmeiro Petit | — | Los Angeles Angels | Los Angeles Angels signed free agent RHP Yusmeiro Petit to a minor league contract and invited him to spring training. |
| Feb 8, 2017 | Trade | Alec Mills | Kansas City Royals | Chicago Cubs | Kansas City Royals traded RHP Alec Mills to Chicago Cubs for CF Donald Dewees Jr.. |
| Feb 8, 2017 | Signed as free agent | Drew Stubbs | — | Minnesota Twins | Minnesota Twins signed free agent CF Drew Stubbs to a minor league contract and invited him to spring training. |
| Feb 8, 2017 | Signed as free agent | Quintin Berry | — | Minnesota Twins | Minnesota Twins signed free agent OF Quintin Berry to a minor league contract. |
| Feb 8, 2017 | Signed as free agent | Gordon Beckham | — | San Francisco Giants | San Francisco Giants signed free agent 2B Gordon Beckham to a minor league contract and invited him to spring training. |
| Feb 8, 2017 | Signed as free agent | David Whitehead | — | Philadelphia Phillies | Philadelphia Phillies signed free agent RHP David Whitehead to a minor league contract. |
| Feb 8, 2017 | Signed as free agent | Ryan Scott | — | Seattle Mariners | Seattle Mariners signed free agent C Ryan Scott to a minor league contract. |
| Feb 8, 2017 | Signed as free agent | Omar Bencomo | — | Miami Marlins | Miami Marlins signed free agent RHP Omar Bencomo to a minor league contract. |
| Feb 7, 2017 | Signed as free agent | Brayan Peña | — | Kansas City Royals | Kansas City Royals signed free agent C Brayan Pena to a minor league contract and invited him to spring training. |
| Feb 7, 2017 | Signed as free agent | Logan Morrison | — | Tampa Bay Rays | Tampa Bay Rays signed free agent 1B Logan Morrison. |
| Feb 7, 2017 | Trade | Enny Romero | Tampa Bay Rays | Washington Nationals | Tampa Bay Rays traded LHP Enny Romero to Washington Nationals for RHP Jeffrey Rosa. |
| Feb 7, 2017 | Signed as free agent | Daniel Descalso | — | Arizona Diamondbacks | Arizona Diamondbacks signed free agent 3B Daniel Descalso. |
| Feb 7, 2017 | Signed as free agent | Boone Logan | — | Cleveland Guardians | Cleveland Indians signed free agent LHP Boone Logan. |
| Feb 7, 2017 | Signed as free agent | Samuel Berroa | — | Cincinnati Reds | Cincinnati Reds signed free agent RHP Samuel Berroa to a minor league contract. |
| Feb 7, 2017 | Signed as free agent | Elvis Jimenez | — | Atlanta Braves | Atlanta Braves signed free agent RHP Elvis Jimenez to a minor league contract. |
| Feb 7, 2017 | Signed as free agent | Uarlim German | — | Cincinnati Reds | Cincinnati Reds signed free agent RHP Uarlim German to a minor league contract. |
| Feb 7, 2017 | Signed as free agent | Deybert Lozano | — | Cincinnati Reds | Cincinnati Reds signed free agent OF Deybert Lozano to a minor league contract. |
| Feb 7, 2017 | Signed as free agent | Tony Cruz | — | San Diego Padres | San Diego Padres signed free agent C Tony Cruz to a minor league contract and invited him to spring training. |
| Feb 7, 2017 | Signed as free agent | Erick Aybar | — | San Diego Padres | San Diego Padres signed free agent SS Erick Aybar to a minor league contract and invited him to spring training. |
| Feb 7, 2017 | Signed as free agent | Jorge Mallen | — | Cincinnati Reds | Cincinnati Reds signed free agent RHP Jorge Mallen to a minor league contract. |
| Feb 7, 2017 | Signed as free agent | Miguel Pena | — | Atlanta Braves | Atlanta Braves signed free agent RHP Miguel Pena to a minor league contract. |
| Feb 7, 2017 | Signed as free agent | Carlos Santos | — | Cincinnati Reds | Cincinnati Reds signed free agent RHP Carlos Santos to a minor league contract. |
| Feb 7, 2017 | Signed as free agent | Nicholas Vizcaino | — | Atlanta Braves | Atlanta Braves signed free agent 1B Nicholas Vizcaino to a minor league contract. |
| Feb 6, 2017 | Signed as free agent | Jarrod Saltalamacchia | — | Toronto Blue Jays | Toronto Blue Jays signed free agent C Jarrod Saltalamacchia to a minor league contract and invited him to spring training. |
| Feb 6, 2017 | Signed as free agent | Wily Mo Peña | — | Cleveland Guardians | Cleveland Indians signed free agent OF Wily Mo Pena to a minor league contract. |
| Feb 6, 2017 | Signed as free agent | Brett Hayes | — | Texas Rangers | Texas Rangers signed free agent C Brett Hayes to a minor league contract and invited him to spring training. |
| Feb 6, 2017 | Signed as free agent | Collin Cowgill | — | San Diego Padres | San Diego Padres signed free agent OF Collin Cowgill to a minor league contract and invited him to spring training. |
| Feb 6, 2017 | Signed as free agent | Sam Tolleson | — | Los Angeles Angels | Los Angeles Angels signed free agent RHP Sam Tolleson to a minor league contract. |
| Feb 6, 2017 | Signed as free agent | Aneudis Beard | — | Texas Rangers | Texas Rangers signed free agent RHP Aneudis Beard to a minor league contract. |
| Feb 6, 2017 | Signed as free agent | Drew Vettleson | — | Texas Rangers | Texas Rangers signed free agent RF Drew Vettleson to a minor league contract. |
| Feb 6, 2017 | Signed as free agent | Grant Zawadzki | — | Texas Rangers | Texas Rangers signed free agent RHP Grant Zawadzki to a minor league contract. |
| Feb 4, 2017 | Signed as free agent | Dustin Ackley | — | Los Angeles Angels | Los Angeles Angels signed free agent RF Dustin Ackley to a minor league contract and invited him to spring training. |
| Feb 4, 2017 | Signed as free agent | Rickie Weeks Jr. | — | Tampa Bay Rays | Tampa Bay Rays signed free agent LF Rickie Weeks Jr. to a minor league contract and invited him to spring training. |
| Feb 4, 2017 | Signed as free agent | Chris Coghlan | — | Philadelphia Phillies | Philadelphia Phillies signed free agent LF Chris Coghlan. |
| Feb 3, 2017 | Signed as free agent | Matt Belisle | — | Minnesota Twins | Minnesota Twins signed free agent RHP Matt Belisle. |
| Feb 3, 2017 | Signed as free agent | Cristhian Longa | — | St. Louis Cardinals | St. Louis Cardinals signed free agent C Cristhian Longa to a minor league contract. |
| Feb 3, 2017 | Signed as free agent | Jose Moreno | — | St. Louis Cardinals | St. Louis Cardinals signed free agent RHP Jose Moreno to a minor league contract. |
| Feb 3, 2017 | Signed as free agent | Albert Valdez | — | Kansas City Royals | Kansas City Royals signed free agent LHP Albert Valdez to a minor league contract. |
| Feb 3, 2017 | Signed as free agent | Alexeis Bell | — | Texas Rangers | Texas Rangers signed free agent OF Alexeis Bell to a minor league contract. |
| Feb 3, 2017 | Signed as free agent | Jimmy Reyes | — | Texas Rangers | Texas Rangers signed free agent LHP Jimmy Reyes to a minor league contract. |
| Feb 2, 2017 | Signed as free agent | Johnny Giavotella | — | Baltimore Orioles | Baltimore Orioles signed free agent 2B Johnny Giavotella to a minor league contract and invited him to spring training. |
| Feb 2, 2017 | 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. |
| Feb 2, 2017 | Signed as free agent | Dayan Díaz | — | Houston Astros | Houston Astros signed free agent RHP Dayan Diaz to a minor league contract and invited him to spring training. |
| Feb 2, 2017 | Signed as free agent | Jose Guardo | — | Texas Rangers | Texas Rangers signed free agent C Jose Guardo to a minor league contract. |
| Feb 2, 2017 | Signed as free agent | Mateo Nunez | — | Los Angeles Dodgers | Los Angeles Dodgers signed free agent RHP Mateo Nunez to a minor league contract. |
| Feb 2, 2017 | Signed as free agent | Elvin Soto | — | Colorado Rockies | Colorado Rockies signed free agent C Elvin Soto to a minor league contract. |
| Feb 1, 2017 | Trade | Eddie Butler | Colorado Rockies | Chicago Cubs | Colorado Rockies traded RHP Eddie Butler to Chicago Cubs for James Farris. |
| Feb 1, 2017 | Signed as free agent | Enrry Pantoja | — | Athletics | Oakland Athletics signed free agent CF Enrry Pantoja to a minor league contract. |
| Feb 1, 2017 | Signed as free agent | Luis Romero | — | Athletics | Oakland Athletics signed free agent RHP Luis Romero to a minor league contract. |
| Feb 1, 2017 | Signed as free agent | Brandon Moss | — | Kansas City Royals | Kansas City Royals signed free agent DH Brandon Moss. |
| Feb 1, 2017 | Signed as free agent | Peter Bourjos | — | Chicago White Sox | Chicago White Sox signed free agent CF Peter Bourjos to a minor league contract and invited him to spring training. |
| Feb 1, 2017 | Signed as free agent | Zach Walters | — | Cincinnati Reds | Cincinnati Reds signed free agent IF Zach Walters to a minor league contract and invited him to spring training. |
| Jan 31, 2017 | Signed as free agent | Nick Hagadone | — | Seattle Mariners | Seattle Mariners signed free agent LHP Nick Hagadone to a minor league contract and invited him to spring training. |
| Jan 31, 2017 | Signed as free agent | Matt Albers | — | Washington Nationals | Washington Nationals signed free agent RHP Matt Albers to a minor league contract and invited him to spring training. |
| Jan 31, 2017 | Signed as free agent | Joe Nathan | — | Washington Nationals | Washington Nationals signed free agent RHP Joe Nathan to a minor league contract and invited him to spring training. |
| Jan 31, 2017 | Signed as free agent | Vance Worley | — | Washington Nationals | Washington Nationals signed free agent RHP Vance Worley to a minor league contract and invited him to spring training. |
| Jan 31, 2017 | Signed as free agent | Arturo Lara | — | Texas Rangers | Texas Rangers signed free agent SS Arturo Lara to a minor league contract. |
| Jan 31, 2017 | Signed as free agent | Cory Rasmus | — | Tampa Bay Rays | Tampa Bay Rays signed free agent RHP Cory Rasmus to a minor league contract and invited him to spring training. |
| Jan 31, 2017 | Signed as free agent | Williams Pérez | — | Chicago Cubs | Chicago Cubs signed free agent RHP Williams Perez to a minor league contract and invited him to spring training. |
| Jan 30, 2017 | Signed as free agent | Lucas Harrell | — | Toronto Blue Jays | Toronto Blue Jays signed free agent RHP Lucas Harrell to a minor league contract and invited him to spring training. |
| Jan 30, 2017 | Signed as free agent | Colby Rasmus | — | Tampa Bay Rays | Tampa Bay Rays signed free agent LF Colby Rasmus. |
| Jan 30, 2017 | Released | Jason Coats | — | Tampa Bay Rays | Tampa Bay Rays released RF Jason Coats. |
| Jan 30, 2017 | Trade | Carlos Frías | Los Angeles Dodgers | Cleveland Guardians | Los Angeles Dodgers traded RHP Carlos Frias to Cleveland Indians for Player To Be Named Later. |
| Jan 30, 2017 | Signed as free agent | Kurt Suzuki | — | Atlanta Braves | Atlanta Braves signed free agent C Kurt Suzuki. |
| Jan 30, 2017 | Signed as free agent | Bud Norris | — | Los Angeles Angels | Los Angeles Angels signed free agent RHP Bud Norris to a minor league contract and invited him to spring training. |
| Jan 30, 2017 | Signed as free agent | Sergio Ordonez | — | Atlanta Braves | Atlanta Braves signed free agent C Sergio Ordonez to a minor league contract. |
| Jan 28, 2017 | Signed as free agent | Greg Holland | — | Colorado Rockies | Colorado Rockies signed free agent RHP Greg Holland. |
| Jan 27, 2017 | Signed as free agent | Wesley Wright | — | Texas Rangers | Texas Rangers signed free agent LHP Wesley Wright to a minor league contract and invited him to spring training. |
| Jan 27, 2017 | Signed as free agent | Grant Green | — | Washington Nationals | Washington Nationals signed free agent 2B Grant Green to a minor league contract and invited him to spring training. |
| Jan 27, 2017 | Signed as free agent | Jim Henderson | — | Chicago Cubs | Chicago Cubs signed free agent RHP Jim Henderson to a minor league contract and invited him to spring training. |
| Jan 27, 2017 | Signed as free agent | Casey Kelly | — | Chicago Cubs | Chicago Cubs signed free agent RHP Casey Kelly to a minor league contract and invited him to spring training. |
| Jan 27, 2017 | Signed as free agent | Manny Parra | — | Chicago Cubs | Chicago Cubs signed free agent LHP Manny Parra to a minor league contract and invited him to spring training. |
| Jan 27, 2017 | Signed as free agent | Ike Davis | — | Los Angeles Dodgers | Los Angeles Dodgers signed free agent 1B Ike Davis to a minor league contract and invited him to spring training. |
| Jan 27, 2017 | Signed as free agent | Jorge Hernandez | — | Boston Red Sox | Boston Red Sox signed free agent RHP Jorge Hernandez to a minor league contract. |
| Jan 27, 2017 | Signed as free agent | Jordan McArdle | — | Arizona Diamondbacks | Arizona Diamondbacks signed free agent C Jordan McArdle to a minor league contract. |
| Jan 26, 2017 | Signed as free agent | Scott Feldman | — | Cincinnati Reds | Cincinnati Reds signed free agent RHP Scott Feldman. |
| Jan 26, 2017 | Signed as free agent | Stephen Drew | — | Washington Nationals | Washington Nationals signed free agent 2B Stephen Drew. |
| Jan 26, 2017 | Signed as free agent | Yohan Pino | — | Minnesota Twins | Minnesota Twins signed free agent RHP Yohan Pino to a minor league contract. |
| Jan 26, 2017 | Signed as free agent | Brett Anderson | — | Chicago Cubs | Chicago Cubs signed free agent LHP Brett Anderson. |
| Jan 26, 2017 | Trade | Jason Goldstein | Seattle Mariners | Athletics | Oakland Athletics traded LHP Dillon Overton to Seattle Mariners for C Jason Goldstein. |
| Jan 26, 2017 | Signed as free agent | David Carpenter | — | Tampa Bay Rays | Tampa Bay Rays signed free agent RHP David Carpenter to a minor league contract and invited him to spring training. |
| Jan 26, 2017 | Signed as free agent | Brandon Morrow | — | Los Angeles Dodgers | Los Angeles Dodgers signed free agent RHP Brandon Morrow to a minor league contract and invited him to spring training. |
| Jan 26, 2017 | Signed as free agent | Daniel De La Cruz | — | Arizona Diamondbacks | Arizona Diamondbacks signed free agent RHP Daniel De La Cruz to a minor league contract. |
| Jan 25, 2017 | Signed as free agent | Adam Rosales | — | Athletics | Oakland Athletics signed free agent SS Adam Rosales. |
| Jan 25, 2017 | Trade | Jordan Tarsovich | Los Angeles Dodgers | Athletics | Oakland Athletics traded CF Brett Eibner to Los Angeles Dodgers for 3B Jordan Tarsovich. |
| Jan 25, 2017 | Signed as free agent | Ryan Hanigan | — | Philadelphia Phillies | Philadelphia Phillies signed free agent C Ryan Hanigan to a minor league contract and invited him to spring training. |
| Jan 25, 2017 | Signed as free agent | Austin Jackson | — | Cleveland Guardians | Cleveland Indians signed free agent CF Austin Jackson to a minor league contract and invited him to spring training. |
| Jan 25, 2017 | Signed as free agent | Jae-Gyun Hwang | — | San Francisco Giants | San Francisco Giants signed free agent 3B Jae-gyun Hwang to a minor league contract and invited him to spring training. |
| Jan 25, 2017 | Signed as free agent | Mike McGee | — | Cincinnati Reds | Cincinnati Reds signed free agent LHP Mike McGee to a minor league contract. |
| Jan 25, 2017 | Signed as free agent | Joba Chamberlain | — | Milwaukee Brewers | Milwaukee Brewers signed free agent RHP Joba Chamberlain to a minor league contract and invited him to spring training. |
| Jan 25, 2017 | Signed as free agent | Seth Simmons | — | San Diego Padres | San Diego Padres signed free agent RHP Seth Simmons to a minor league contract. |
| Jan 24, 2017 | Trade | Severino González | Philadelphia Phillies | Miami Marlins | Philadelphia Phillies traded RHP Severino Gonzalez to Miami Marlins for Player To Be Named Later. |
| Jan 24, 2017 | Signed as free agent | James Loney | — | Texas Rangers | Texas Rangers signed free agent 1B James Loney to a minor league contract and invited him to spring training. |
| Jan 24, 2017 | Signed as free agent | Nick Hundley | — | San Francisco Giants | San Francisco Giants signed free agent C Nick Hundley. |
| Jan 24, 2017 | Signed as free agent | Luis Valbuena | — | Los Angeles Angels | Los Angeles Angels signed free agent 3B Luis Valbuena. |
| Jan 24, 2017 | Signed as free agent | Josh Thole | — | Arizona Diamondbacks | Arizona Diamondbacks signed free agent C Josh Thole to a minor league contract and invited him to spring training. |
| Jan 24, 2017 | Signed as free agent | Eric Young Jr. | — | Los Angeles Angels | Los Angeles Angels signed free agent OF Eric Young Jr. to a minor league contract and invited him to spring training. |
| Jan 24, 2017 | Signed as free agent | Kris Medlen | — | Atlanta Braves | Atlanta Braves signed free agent RHP Kris Medlen to a minor league contract. |
| Jan 24, 2017 | Signed as free agent | Todd Glaesmann | — | Chicago Cubs | Chicago Cubs signed free agent OF Todd Glaesmann to a minor league contract. |
| Jan 23, 2017 | Signed as free agent | Blake Smith | — | Chicago White Sox | Chicago White Sox signed free agent RHP Blake Smith to a minor league contract and invited him to spring training. |
| Jan 23, 2017 | Signed as free agent | Anthony Swarzak | — | Chicago White Sox | Chicago White Sox signed free agent RHP Anthony Swarzak to a minor league contract and invited him to spring training. |
| Jan 23, 2017 | Signed as free agent | Shawn Tolleson | — | Tampa Bay Rays | Tampa Bay Rays signed free agent RHP Shawn Tolleson. |
| Jan 23, 2017 | Trade | Logan Forsythe | Tampa Bay Rays | Los Angeles Dodgers | Tampa Bay Rays traded 2B Logan Forsythe to Los Angeles Dodgers for RHP Jose De Leon. |
| Jan 23, 2017 | Signed as free agent | Nate Coronado | — | Colorado Rockies | Colorado Rockies signed free agent IF Nathaniel Coronado to a minor league contract. |
| Jan 22, 2017 | Signed as free agent | Jean Machi | — | Seattle Mariners | Seattle Mariners signed free agent RHP Jean Machi to a minor league contract and invited him to spring training. |
| Jan 22, 2017 | Signed as free agent | Gregorio Petit | — | Toronto Blue Jays | Toronto Blue Jays signed free agent 2B Gregorio Petit to a minor league contract and invited him to spring training. |
| Jan 21, 2017 | Signed as free agent | Juan Manuel Abril | — | Cincinnati Reds | Cincinnati Reds signed free agent RHP Juan Manuel Abril to a minor league contract. |
| Jan 21, 2017 | Signed as free agent | Blaine Boyer | — | Atlanta Braves | Atlanta Braves signed free agent RHP Blaine Boyer to a minor league contract and invited him to spring training. |
| Jan 21, 2017 | Signed as free agent | Dean Anna | — | Kansas City Royals | Kansas City Royals signed free agent SS Dean Anna to a minor league contract. |
| Jan 20, 2017 | Signed as free agent | Mark Trumbo | — | Baltimore Orioles | Baltimore Orioles signed free agent DH Mark Trumbo. |
| Jan 20, 2017 | Signed as free agent | Santiago Casilla | — | Athletics | Oakland Athletics signed free agent RHP Santiago Casilla. |
| Jan 20, 2017 | Signed as free agent | Alejandro De Aza | — | Athletics | Oakland Athletics signed free agent LF Alejandro De Aza to a minor league contract and invited him to spring training. |
| Jan 20, 2017 | Signed as free agent | Trevor Cahill | — | San Diego Padres | San Diego Padres signed free agent RHP Trevor Cahill. |
| Jan 20, 2017 | Signed as free agent | Zach Stewart | — | Baltimore Orioles | Baltimore Orioles signed free agent RHP Zach Stewart to a minor league contract and invited him to spring training. |
| Jan 20, 2017 | Signed as free agent | Manuel Guzman | — | Los Angeles Angels | Los Angeles Angels signed free agent 2B Manuel Guzman to a minor league contract. |
| Jan 19, 2017 | Trade | Zeek White | Miami Marlins | Cincinnati Reds | Cincinnati Reds traded RHP Dan Straily to Miami Marlins for RHP Austin Brice, RHP Luis Castillo and CF Zeke White. |
| Jan 19, 2017 | Signed as free agent | Neftalí Feliz | — | Milwaukee Brewers | Milwaukee Brewers signed free agent RHP Neftali Feliz. |
| Jan 19, 2017 | Signed as free agent | Michael Saunders | — | Philadelphia Phillies | Philadelphia Phillies signed free agent RF Michael Saunders. |
| Jan 19, 2017 | Signed as free agent | Tyson Ross | — | Texas Rangers | Texas Rangers signed free agent RHP Tyson Ross. |
| Jan 19, 2017 | Signed as free agent | Kelvin De La Cruz | — | Cleveland Guardians | Cleveland Indians signed free agent LHP Kelvin De La Cruz to a minor league contract. |
| Jan 19, 2017 | Signed as free agent | Ruben Aponte | — | Philadelphia Phillies | Philadelphia Phillies signed free agent RHP Ruben Aponte to a minor league contract. |
| Jan 18, 2017 | Signed as free agent | José Bautista | — | Toronto Blue Jays | Toronto Blue Jays signed free agent RF Jose Bautista. |
| Jan 18, 2017 | Signed as free agent | Joey Terdoslavich | — | Pittsburgh Pirates | Pittsburgh Pirates signed free agent 1B Joey Terdoslavich to a minor league contract and invited him to spring training. |
| Jan 18, 2017 | Signed as free agent | Trevor Plouffe | — | Athletics | Oakland Athletics signed free agent 3B Trevor Plouffe. |
| Jan 18, 2017 | Signed as free agent | Kyle Kendrick | — | Boston Red Sox | Boston Red Sox signed free agent RHP Kyle Kendrick to a minor league contract and invited him to spring training. |
| Jan 18, 2017 | Trade | Mikie Mahtook | Tampa Bay Rays | Detroit Tigers | Tampa Bay Rays traded CF Mikie Mahtook to Detroit Tigers for Player To Be Named Later. |
| Jan 18, 2017 | Signed as free agent | Ross Detwiler | — | Athletics | Oakland Athletics signed free agent LHP Ross Detwiler to a minor league contract and invited him to spring training. |
| Jan 18, 2017 | Signed as free agent | Barry Enright | — | San Diego Padres | San Diego Padres signed free agent RHP Barry Enright to a minor league contract. |
| Jan 18, 2017 | Signed as free agent | Grégor Blanco | — | Arizona Diamondbacks | Arizona Diamondbacks signed free agent RF Gregor Blanco to a minor league contract and invited him to spring training. |
| Jan 18, 2017 | Signed as free agent | Jeff Glenn | — | New York Mets | New York Mets signed free agent C Jeff Glenn to a minor league contract. |
| Jan 17, 2017 | Signed as free agent | Josh Hamilton | — | Texas Rangers | Texas Rangers signed free agent 1B Josh Hamilton to a minor league contract and invited him to spring training. |
| Jan 17, 2017 | Signed as free agent | Dillon Gee | — | Texas Rangers | Texas Rangers signed free agent RHP Dillon Gee to a minor league contract and invited him to spring training. |
| Jan 17, 2017 | Signed as free agent | Alexi Amarista | — | Colorado Rockies | Colorado Rockies signed free agent LF Alexi Amarista. |
| Jan 17, 2017 | Signed as free agent | Brayan Rosario | — | San Diego Padres | San Diego Padres signed free agent P Brayan Rosario to a minor league contract. |
| Jan 17, 2017 | Signed as free agent | Drew Maggi | — | Los Angeles Dodgers | Los Angeles Dodgers signed free agent 3B Drew Maggi to a minor league contract. |
| Jan 17, 2017 | Signed as free agent | Jeff Malm | — | Texas Rangers | Texas Rangers signed free agent LHP Jeff Malm to a minor league contract. |
| Jan 16, 2017 | Signed as free agent | Adam Wilk | — | New York Mets | New York Mets signed free agent LHP Adam Wilk to a minor league contract and invited him to spring training. |
| Jan 16, 2017 | Signed as free agent | Jesus Montero | — | Baltimore Orioles | Baltimore Orioles signed free agent 1B Jesus Montero to a minor league contract. |
| Jan 16, 2017 | Signed as free agent | Nick Buss | — | San Diego Padres | San Diego Padres signed free agent LF Nick Buss to a minor league contract and invited him to spring training. |
| Jan 16, 2017 | Signed as free agent | Chris Dominguez | — | Chicago Cubs | Chicago Cubs signed free agent 3B Chris Dominguez to a minor league contract and invited him to spring training. |
| Jan 14, 2017 | Signed as free agent | Mario Alcantara | — | Baltimore Orioles | Baltimore Orioles signed free agent RHP Mario Alcantara to a minor league contract. |
| Jan 14, 2017 | Signed as free agent | Tim Berry | — | Baltimore Orioles | Baltimore Orioles signed free agent LHP Tim Berry to a minor league contract. |
| Jan 14, 2017 | Signed as free agent | Ji Man Choi | — | New York Yankees | New York Yankees signed free agent 1B Ji-Man Choi to a minor league contract and invited him to spring training. |
| Jan 14, 2017 | Signed as free agent | Jacob Rogers | — | Texas Rangers | Texas Rangers signed free agent 1B Jacob Rogers to a minor league contract. |
| Jan 13, 2017 | Trade | Micah Johnson | Los Angeles Dodgers | Atlanta Braves | Los Angeles Dodgers traded 2B Micah Johnson to Atlanta Braves for Player To Be Named Later. |
| Jan 13, 2017 | Signed as free agent | Steve Delabar | — | Cleveland Guardians | Cleveland Indians signed free agent RHP Steve Delabar to a minor league contract and invited him to spring training. |
| Jan 13, 2017 | Signed as free agent | Chris Iannetta | — | Arizona Diamondbacks | Arizona Diamondbacks signed free agent C Chris Iannetta. |
| Jan 13, 2017 | Signed as free agent | Michael Lagrange | — | Texas Rangers | Texas Rangers signed free agent P Michael Lagrange to a minor league contract. |
| Jan 13, 2017 | Signed as free agent | Nelson Gonzalez | — | Colorado Rockies | Colorado Rockies signed free agent RHP Nelson Gonzalez to a minor league contract. |
| Jan 13, 2017 | Signed as free agent | Chris Denorfia | — | Colorado Rockies | Colorado Rockies signed free agent OF Chris Denorfia to a minor league contract and invited him to spring training. |
| Jan 12, 2017 | Signed as free agent | Ramón Cabrera | — | Miami Marlins | Miami Marlins signed free agent C Ramon Cabrera to a minor league contract and invited him to spring training. |
| Jan 12, 2017 | Signed as free agent | Cory Luebke | — | Chicago White Sox | Chicago White Sox signed free agent LHP Cory Luebke to a minor league contract and invited him to spring training. |
| Jan 12, 2017 | Signed as free agent | Irving Falu | — | Washington Nationals | Washington Nationals signed free agent 3B Irving Falu to a minor league contract. |
| Jan 12, 2017 | Signed as free agent | Chris Gimenez | — | Minnesota Twins | Minnesota Twins signed free agent C Chris Gimenez to a minor league contract and invited him to spring training. |
| Jan 12, 2017 | Signed as free agent | Carlos Maldonado | — | Texas Rangers | Texas Rangers signed free agent C Carlos Maldonado to a minor league contract. |
| Jan 11, 2017 | Trade | Shae Simmons | Atlanta Braves | Seattle Mariners | Atlanta Braves traded CF Mallex Smith and RHP Shae Simmons to Seattle Mariners for LHP Luiz Gohara and LHP Thomas Burrows. |
| Jan 11, 2017 | Trade | Ryan Yarbrough | Seattle Mariners | Tampa Bay Rays | Tampa Bay Rays traded LHP Drew Smyly to Seattle Mariners for SS Carlos Vargas, CF Mallex Smith and LHP Ryan Yarbrough. |
| Jan 11, 2017 | Signed as free agent | Ryan Vogelsong | — | Minnesota Twins | Minnesota Twins signed free agent RHP Ryan Vogelsong to a minor league contract and invited him to spring training. |
| Jan 11, 2017 | Signed as free agent | Nick Tepesch | — | Minnesota Twins | Minnesota Twins signed free agent RHP Nick Tepesch to a minor league contract and invited him to spring training. |
| Jan 11, 2017 | Signed as free agent | Francisco Mendoza | — | San Diego Padres | San Diego Padres signed free agent RHP Francisco Mendoza to a minor league contract. |
| Jan 11, 2017 | Signed as free agent | Santy Prada | — | Philadelphia Phillies | Philadelphia Phillies signed free agent RHP Santy Prada to a minor league contract. |
| Jan 11, 2017 | Signed as free agent | Ramiro Soto | — | Philadelphia Phillies | Philadelphia Phillies signed free agent RHP Ramiro Soto to a minor league contract. |
| Jan 11, 2017 | Signed as free agent | Gabriel Yanez | — | Philadelphia Phillies | Philadelphia Phillies signed free agent LHP Gabriel Yanez to a minor league contract. |
| Jan 11, 2017 | Signed as free agent | José Miguel Fernández | — | Los Angeles Dodgers | Los Angeles Dodgers signed free agent 3B Jose Fernandez to a minor league contract. |
| Jan 11, 2017 | Signed as free agent | Luis Yander La O | — | Texas Rangers | Texas Rangers signed free agent 3B Luis La O to a minor league contract. |
| Jan 11, 2017 | Signed as free agent | Carson Blair | — | Chicago White Sox | Chicago White Sox signed free agent C Carson Blair to a minor league contract and invited him to spring training. |
| Jan 11, 2017 | Signed as free agent | Willie Argo | — | Seattle Mariners | Seattle Mariners signed free agent LF Willie Argo to a minor league contract. |
| Jan 11, 2017 | Signed as free agent | Brandon Cunniff | — | Miami Marlins | Miami Marlins signed free agent RHP Brandon Cunniff to a minor league contract. |
| Jan 11, 2017 | Signed as free agent | Boo Vazquez | — | Miami Marlins | Miami Marlins signed free agent LF Boo Vazquez to a minor league contract. |
| Jan 11, 2017 | Signed as free agent | Alex Santana | — | Washington Nationals | Washington Nationals signed free agent 3B Alex Santana to a minor league contract. |
| Jan 10, 2017 | Signed as free agent | Edward Mujica | — | Detroit Tigers | Detroit Tigers signed free agent RHP Edward Mujica to a minor league contract and invited him to spring training. |
| Jan 10, 2017 | Signed as free agent | Brett Pill | — | Detroit Tigers | Detroit Tigers signed free agent 1B Brett Pill to a minor league contract and invited him to spring training. |
| Jan 10, 2017 | Signed as free agent | Alex Presley | — | Detroit Tigers | Detroit Tigers signed free agent OF Alex Presley to a minor league contract and invited him to spring training. |
| Jan 10, 2017 | Signed as free agent | James Adduci | — | Detroit Tigers | Detroit Tigers signed free agent OF Jim Adduci to a minor league contract. |
| Jan 10, 2017 | Released | Edwin Escobar | — | Cleveland Guardians | Cleveland Indians released LHP Edwin Escobar. |
| Jan 10, 2017 | Signed as free agent | Jake Brigham | — | Detroit Tigers | Detroit Tigers signed free agent RHP Jake Brigham to a minor league contract. |
| Jan 10, 2017 | Signed as free agent | Anthony Vasquez | — | Detroit Tigers | Detroit Tigers signed free agent LHP Anthony Vasquez to a minor league contract. |
| Jan 10, 2017 | Signed as free agent | Thad Weber | — | Detroit Tigers | Detroit Tigers signed free agent RHP Thad Weber to a minor league contract. |
| Jan 10, 2017 | Signed as free agent | Efren Navarro | — | Detroit Tigers | Detroit Tigers signed free agent 1B Efren Navarro to a minor league contract and invited him to spring training. |
| Jan 10, 2017 | Signed as free agent | Rubby De La Rosa | — | Arizona Diamondbacks | Arizona Diamondbacks signed free agent RHP Rubby De La Rosa to a minor league contract and invited him to spring training. |
| Jan 10, 2017 | Signed as free agent | Miller Díaz | — | Arizona Diamondbacks | Arizona Diamondbacks signed free agent RHP Miller Diaz to a minor league contract and invited him to spring training. |
| Jan 10, 2017 | Signed as free agent | J.J. Hoover | — | Arizona Diamondbacks | Arizona Diamondbacks signed free agent RHP J.J. Hoover to a minor league contract and invited him to spring training. |
| Jan 10, 2017 | Signed as free agent | Joey Krehbiel | — | Arizona Diamondbacks | Arizona Diamondbacks signed free agent RHP Joey Krehbiel to a minor league contract and invited him to spring training. |
| Jan 10, 2017 | Signed as free agent | Daniel Gibson | — | Arizona Diamondbacks | Arizona Diamondbacks signed free agent LHP Daniel Gibson to a minor league contract and invited him to spring training. |
| Jan 10, 2017 | Signed as free agent | Jared Miller | — | Arizona Diamondbacks | Arizona Diamondbacks signed free agent LHP Jared Miller to a minor league contract and invited him to spring training. |
| Jan 10, 2017 | Signed as free agent | Yuhei Nakaushiro | — | Arizona Diamondbacks | Arizona Diamondbacks signed free agent LHP Yuhei Nakaushiro to a minor league contract and invited him to spring training. |
| Jan 10, 2017 | Signed as free agent | Josh Taylor | — | Arizona Diamondbacks | Arizona Diamondbacks signed free agent LHP Josh Taylor to a minor league contract and invited him to spring training. |
| Jan 10, 2017 | Signed as free agent | Rey Fuentes | — | Arizona Diamondbacks | Arizona Diamondbacks signed free agent OF Reymond Fuentes to a minor league contract and invited him to spring training. |
| Jan 10, 2017 | Signed as free agent | Louis Coleman | — | Cincinnati Reds | Cincinnati Reds signed free agent RHP Louis Coleman to a minor league contract and invited him to spring training. |
| Jan 10, 2017 | Signed as free agent | Kenley Jansen | — | Los Angeles Dodgers | Los Angeles Dodgers signed free agent RHP Kenley Jansen. |
| Jan 10, 2017 | Signed as free agent | Ali Solis | — | Chicago Cubs | Chicago Cubs signed free agent C Ali Solis to a minor league contract. |
| Jan 10, 2017 | Signed as free agent | Tanner Murphy | — | Colorado Rockies | Colorado Rockies signed free agent C Tanner Murphy to a minor league contract. |
| Jan 10, 2017 | Signed as free agent | Geovany Soto | — | Chicago White Sox | Chicago White Sox signed free agent C Geovany Soto to a minor league contract and invited him to spring training. |
| Jan 10, 2017 | Signed as free agent | Anthony Phillips | — | Colorado Rockies | Colorado Rockies signed free agent SS Anthony Phillips to a minor league contract. |
| Jan 10, 2017 | Signed as free agent | Manuel Guzman | — | Los Angeles Angels | Los Angeles Angels signed free agent SS Manuel Guzman to a minor league contract. |
| Jan 9, 2017 | Signed as free agent | Jackson Williams | — | Pittsburgh Pirates | Pittsburgh Pirates signed free agent C Jackson Williams to a minor league contract and invited him to spring training. |
| Jan 9, 2017 | Signed as free agent | Danny Ortiz | — | Pittsburgh Pirates | Pittsburgh Pirates signed free agent OF Danny Ortiz to a minor league contract and invited him to spring training. |
| Jan 9, 2017 | Signed as free agent | Luis Barajas | — | Houston Astros | Houston Astros signed free agent C Luis Barajas to a minor league contract. |
| Jan 9, 2017 | Signed as free agent | Williams Valencia | — | New York Mets | New York Mets signed free agent RHP Williams Valencia to a minor league contract. |
| Jan 9, 2017 | Signed as free agent | Cody Decker | — | Milwaukee Brewers | Milwaukee Brewers signed free agent C Cody Decker to a minor league contract. |
| Jan 9, 2017 | Signed as free agent | Cody Satterwhite | — | Baltimore Orioles | Baltimore Orioles signed free agent RHP Cody Satterwhite to a minor league contract. |
| Jan 9, 2017 | Signed as free agent | Erik Cordier | — | Boston Red Sox | Boston Red Sox signed free agent RHP Erik Cordier to a minor league contract. |
| Jan 9, 2017 | Signed as free agent | Carlos Corporán | — | Chicago Cubs | Chicago Cubs signed free agent C Carlos Corporan to a minor league contract and invited him to spring training. |
| Jan 9, 2017 | Signed as free agent | Travis Higgs | — | San Francisco Giants | San Francisco Giants signed free agent C Travis Higgs to a minor league contract. |
| Jan 9, 2017 | Signed as free agent | Trey Haley | — | Baltimore Orioles | Baltimore Orioles signed free agent RHP Trey Haley to a minor league contract. |
| Jan 9, 2017 | Signed as free agent | Leon Landry | — | Cincinnati Reds | Cincinnati Reds signed free agent CF Leon Landry to a minor league contract. |
| Jan 9, 2017 | Signed as free agent | Austin Ross | — | Cincinnati Reds | Cincinnati Reds signed free agent RHP Austin Ross to a minor league contract. |
| Jan 8, 2017 | Signed as free agent | Mike O'Neill | — | Detroit Tigers | Detroit Tigers signed free agent LF Mike O'Neill to a minor league contract. |
| Jan 8, 2017 | Signed as free agent | Jimmy Rollins | — | San Francisco Giants | San Francisco Giants signed free agent SS Jimmy Rollins to a minor league contract and invited him to spring training. |
| Jan 7, 2017 | Signed as free agent | Al Alburquerque | — | Kansas City Royals | Kansas City Royals signed free agent RHP Al Alburquerque to a minor league contract and invited him to spring training. |
| Jan 7, 2017 | Signed as free agent | Brandon League | — | Kansas City Royals | Kansas City Royals signed free agent RHP Brandon League to a minor league contract and invited him to spring training. |
| Jan 7, 2017 | Signed as free agent | Bobby Parnell | — | Kansas City Royals | Kansas City Royals signed free agent RHP Bobby Parnell to a minor league contract and invited him to spring training. |
| Jan 7, 2017 | Signed as free agent | Chris Withrow | — | Kansas City Royals | Kansas City Royals signed free agent RHP Chris Withrow to a minor league contract and invited him to spring training. |
| Jan 7, 2017 | Signed as free agent | Christian Marrero | — | Philadelphia Phillies | Philadelphia Phillies signed free agent RF Christian Marrero to a minor league contract. |
| Jan 7, 2017 | Signed as free agent | Diego Goris | — | San Diego Padres | San Diego Padres signed free agent 3B Diego Goris to a minor league contract. |
| Jan 7, 2017 | Signed as free agent | Jason Bourgeois | — | Chicago White Sox | Chicago White Sox signed free agent CF Jason Bourgeois to a minor league contract. |
| Jan 7, 2017 | Signed as free agent | Everth Cabrera | — | Chicago White Sox | Chicago White Sox signed free agent SS Everth Cabrera to a minor league contract and invited him to spring training. |
| Jan 7, 2017 | Signed as free agent | Munenori Kawasaki | — | Chicago Cubs | Chicago Cubs signed free agent SS Munenori Kawasaki to a minor league contract and invited him to spring training. |
| Jan 7, 2017 | Signed as free agent | Wilkin Castillo | — | New York Yankees | New York Yankees signed free agent C Wilkin Castillo to a minor league contract. |
| Jan 6, 2017 | Trade | Seth Smith | Seattle Mariners | Baltimore Orioles | Seattle Mariners traded RF Seth Smith to Baltimore Orioles for RHP Yovani Gallardo and cash. |
| Jan 6, 2017 | Signed as free agent | Nick Greenwood | — | Minnesota Twins | Minnesota Twins signed free agent LHP Nick Greenwood to a minor league contract. |
| Jan 6, 2017 | Signed as free agent | Jim Miller | — | Minnesota Twins | Minnesota Twins signed free agent RHP Jim Miller to a minor league contract. |
| Jan 6, 2017 | Signed as free agent | Matt Tracy | — | Minnesota Twins | Minnesota Twins signed free agent LHP Matt Tracy to a minor league contract. |
| Jan 6, 2017 | Signed as free agent | Travis Snider | — | Texas Rangers | Texas Rangers signed free agent RF Travis Snider to a minor league contract and invited him to spring training. |
| Jan 6, 2017 | Trade | Jarrod Dyson | Kansas City Royals | Seattle Mariners | Seattle Mariners traded RHP Nate Karns to Kansas City Royals for LF Jarrod Dyson. |
| Jan 6, 2017 | Signed as free agent | Gavin Floyd | — | Toronto Blue Jays | Toronto Blue Jays signed free agent RHP Gavin Floyd to a minor league contract and invited him to spring training. |
| Jan 6, 2017 | Signed as free agent | Michael Almanzar | — | Detroit Tigers | Detroit Tigers signed free agent 3B Michael Almanzar to a minor league contract. |
| Jan 5, 2017 | Signed as free agent | Edwin Encarnación | — | Cleveland Guardians | Cleveland Indians signed free agent DH Edwin Encarnacion. |
| Jan 5, 2017 | Signed as free agent | Jaye Chapman | — | Texas Rangers | Texas Rangers signed free agent RHP Jaye Chapman to a minor league contract. |
| Jan 5, 2017 | Signed as free agent | Steven Lerud | — | Texas Rangers | Texas Rangers signed free agent C Steven Lerud to a minor league contract and invited him to spring training. |
| Jan 5, 2017 | Signed as free agent | Cesár Ramos | — | Philadelphia Phillies | Philadelphia Phillies signed free agent LHP Cesar Ramos to a minor league contract and invited him to spring training. |
| Jan 5, 2017 | Signed as free agent | Cesar Cabral | — | Boston Red Sox | Boston Red Sox signed free agent LHP Cesar Cabral to a minor league contract. |
| Jan 5, 2017 | Signed as free agent | Jonathan Rodríguez | — | Minnesota Twins | Minnesota Twins signed free agent 1B Jonathan Rodriguez to a minor league contract. |
| Jan 5, 2017 | Signed as free agent | Ricardo Velasquez | — | Milwaukee Brewers | Milwaukee Brewers signed free agent RHP Ricardo Velasquez to a minor league contract. |
| Jan 4, 2017 | Signed as free agent | Gabriel Quintana | — | Detroit Tigers | Detroit Tigers signed free agent 3B Gabriel Quintana to a minor league contract. |
| Jan 4, 2017 | Signed as free agent | Shawn Haviland | — | Boston Red Sox | Boston Red Sox signed free agent RHP Shawn Haviland to a minor league contract. |
| Jan 4, 2017 | Signed as free agent | Luis Mendez | — | Texas Rangers | Texas Rangers signed free agent 3B Luis Mendez to a minor league contract. |
| Jan 4, 2017 | Signed as free agent | Fabio Castillo | — | Los Angeles Dodgers | Los Angeles Dodgers signed free agent RHP Fabio Castillo to a minor league contract and invited him to spring training. |
| Jan 3, 2017 | Signed as free agent | Tyler Moore | — | Miami Marlins | Miami Marlins signed free agent 1B Tyler Moore to a minor league contract and invited him to spring training. |
| Jan 3, 2017 | Signed as free agent | Ryan Jackson | — | Miami Marlins | Miami Marlins signed free agent SS Ryan Jackson to a minor league contract and invited him to spring training. |
| Jan 3, 2017 | Signed as free agent | Juan Benítez | — | Miami Marlins | Miami Marlins signed free agent RHP Juan Benitez to a minor league contract and invited him to spring training. |
| Jan 3, 2017 | Signed as free agent | Javy Guerra | — | Miami Marlins | Miami Marlins signed free agent RHP Javy Guerra to a minor league contract and invited him to spring training. |
| Jan 3, 2017 | Signed as free agent | Kelvin Marte | — | Miami Marlins | Miami Marlins signed free agent LHP Kelvin Marte to a minor league contract and invited him to spring training. |
| Jan 3, 2017 | Signed as free agent | Brandon Barnes | — | Miami Marlins | Miami Marlins signed free agent OF Brandon Barnes to a minor league contract and invited him to spring training. |
| Jan 3, 2017 | Signed as free agent | Drew Storen | — | Cincinnati Reds | Cincinnati Reds signed free agent RHP Drew Storen. |
| Jan 3, 2017 | Trade | Sam Lewis | Kansas City Royals | Arizona Diamondbacks | Arizona Diamondbacks traded LF Peter O'Brien to Kansas City Royals for RHP Sam Lewis. |
| Jan 3, 2017 | Signed as free agent | Rajai Davis | — | Athletics | Oakland Athletics signed free agent CF Rajai Davis. |
| Jan 3, 2017 | Signed as free agent | Sergio Leon | — | Texas Rangers | Texas Rangers signed free agent RHP Sergio Leon to a minor league contract. |
| Jan 3, 2017 | Signed as free agent | Sean Halton | — | Detroit Tigers | Detroit Tigers signed free agent 1B Sean Halton to a minor league contract. |
| Jan 3, 2017 | Signed as free agent | Bobby Wilson | — | Los Angeles Dodgers | Los Angeles Dodgers signed free agent C Bobby Wilson to a minor league contract and invited him to spring training. |
| Jan 3, 2017 | Signed as free agent | Justin Ruggiano | — | San Francisco Giants | San Francisco Giants signed free agent RF Justin Ruggiano to a minor league contract and invited him to spring training. |
| Jan 3, 2017 | Signed as free agent | Steve Geltz | — | Los Angeles Dodgers | Los Angeles Dodgers signed free agent RHP Steve Geltz to a minor league contract and invited him to spring training. |
| Jan 2, 2017 | Signed as free agent | Mark Traylor | — | Miami Marlins | Miami Marlins signed free agent OF Mark Traylor to a minor league contract. |
| Jan 2, 2017 | Signed as free agent | Geoff Broussard | — | Cincinnati Reds | Cincinnati Reds signed free agent RHP Geoff Broussard to a minor league contract. |
| Jan 2, 2017 | Signed as free agent | Deunte Heath | — | Cincinnati Reds | Cincinnati Reds signed free agent RHP Deunte Heath to a minor league contract. |
| Jan 2, 2017 | Signed as free agent | Adrian Nieto | — | Cincinnati Reds | Cincinnati Reds signed free agent C Adrian Nieto to a minor league contract. |
| Jan 2, 2017 | Signed as free agent | Stone Speer | — | Washington Nationals | Washington Nationals signed free agent LHP Stone Speer 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.