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The 2015 season’s official transaction log: 3,464 trades, signings and releases involving major-league clubs, listed newest first with MLB’s own description of each move.
| Date | Type | Player | From | To | Details |
|---|---|---|---|---|---|
| Dec 31, 2015 | Signed as free agent | Moisés Sierra | — | Miami Marlins | Miami Marlins signed free agent RF Moises Sierra to a minor league contract. |
| Dec 31, 2015 | Signed as free agent | Jonathan Diaz | — | New York Yankees | New York Yankees signed free agent SS Jonathan Diaz to a minor league contract and invited him to spring training. |
| Dec 31, 2015 | Signed as free agent | Derek Eitel | — | San Diego Padres | San Diego Padres signed free agent RHP Derek Eitel to a minor league contract. |
| Dec 30, 2015 | Signed as free agent | Scott Kazmir | — | Los Angeles Dodgers | Los Angeles Dodgers signed free agent LHP Scott Kazmir. |
| Dec 30, 2015 | Signed as free agent | Michael McKenry | — | Texas Rangers | Texas Rangers signed free agent C Michael McKenry to a minor league contract and invited him to spring training. |
| Dec 30, 2015 | Signed as free agent | Donnie Veal | — | Texas Rangers | Texas Rangers signed free agent LHP Donnie Veal to a minor league contract. |
| Dec 30, 2015 | Signed as free agent | Michael Crotta | — | Detroit Tigers | Detroit Tigers signed free agent RHP Michael Crotta to a minor league contract. |
| Dec 30, 2015 | Signed as free agent | Chad Huffman | — | Detroit Tigers | Detroit Tigers signed free agent LF Chad Huffman to a minor league contract. |
| Dec 30, 2015 | Signed as free agent | Cam Maron | — | Miami Marlins | Miami Marlins signed free agent C Cam Maron to a minor league contract. |
| Dec 30, 2015 | Signed as free agent | Wasner Peguero | — | Colorado Rockies | Colorado Rockies signed free agent OF Wasner Peguero to a minor league contract. |
| Dec 29, 2015 | Signed as free agent | Miguel Del Castillo | — | San Diego Padres | San Diego Padres signed free agent C Miguel Del Castillo to a minor league contract. |
| Dec 29, 2015 | Signed as free agent | Jhonatan Solano | — | Washington Nationals | Washington Nationals signed free agent C Jhonatan Solano to a minor league contract and invited him to spring training. |
| Dec 28, 2015 | Trade | Rookie Davis | New York Yankees | Cincinnati Reds | New York Yankees Traded RHP Caleb Cotham and RHP Rookie Davis to Cincinnati Reds; Trenton Thunder Traded 3B Eric Jagielo and 2B Tony Renda to Pensacola Blue Wahoos and Cincinnati Reds Traded LHP Aroldis Chapman to New York Yankees. |
| Dec 28, 2015 | Signed as free agent | Henderson Alvarez | — | Athletics | Oakland Athletics signed free agent RHP Henderson Alvarez. |
| Dec 28, 2015 | Signed as free agent | Johnni Turbo | — | San Diego Padres | San Diego Padres signed free agent LF D'Arby Myers to a minor league contract. |
| Dec 27, 2015 | Signed as free agent | A.J. Morris | — | Cincinnati Reds | Cincinnati Reds signed free agent RHP A.J. Morris to a minor league contract and invited him to spring training. |
| Dec 27, 2015 | Signed as free agent | Paul Demny | — | Baltimore Orioles | Baltimore Orioles signed free agent RHP Paul Demny to a minor league contract. |
| Dec 27, 2015 | Signed as free agent | Carlos Triunfel | — | Cincinnati Reds | Cincinnati Reds signed free agent SS Carlos Triunfel to a minor league contract. |
| Dec 27, 2015 | Signed as free agent | Beamer Weems | — | Cincinnati Reds | Cincinnati Reds signed free agent SS Beamer Weems to a minor league contract. |
| Dec 24, 2015 | Released | Marcos Mateo | — | San Diego Padres | San Diego Padres released RHP Marcos Mateo. |
| Dec 24, 2015 | Signed as free agent | Donovan Solano | — | New York Yankees | New York Yankees signed free agent 3B Donovan Solano to a minor league contract and invited him to spring training. |
| Dec 24, 2015 | Signed as free agent | Matt McBride | — | Athletics | Oakland Athletics signed free agent RF Matt McBride to a minor league contract and invited him to spring training. |
| Dec 24, 2015 | Signed as free agent | Dan Black | — | Miami Marlins | Miami Marlins signed free agent 1B Dan Black to a minor league contract and invited him to spring training. |
| Dec 23, 2015 | Signed as free agent | Logan Kensing | — | Detroit Tigers | Detroit Tigers signed free agent RHP Logan Kensing to a minor league contract and invited him to spring training. |
| Dec 23, 2015 | Signed as free agent | Hyun Soo Kim | — | Baltimore Orioles | Baltimore Orioles signed free agent LF Hyun Soo Kim. |
| Dec 23, 2015 | Released | Brendan Ryan | — | Chicago Cubs | Chicago Cubs released 2B Brendan Ryan. |
| Dec 23, 2015 | Signed as free agent | Alejandro De Aza | — | New York Mets | New York Mets signed free agent CF Alejandro De Aza. |
| Dec 23, 2015 | Signed as free agent | John Jaso | — | Pittsburgh Pirates | Pittsburgh Pirates signed free agent RF John Jaso. |
| Dec 23, 2015 | Released | Raffy Lopez | — | Los Angeles Angels | Los Angeles Angels released C Rafael Lopez. |
| Dec 23, 2015 | Signed as free agent | Rico Noel | — | Los Angeles Dodgers | Los Angeles Dodgers signed free agent CF Rico Noel to a minor league contract and invited him to spring training. |
| Dec 23, 2015 | Signed as free agent | Yordi Francisco | — | San Diego Padres | San Diego Padres signed free agent SS Yordi Francisco to a minor league contract. |
| Dec 23, 2015 | Signed as free agent | Melvin Jimenez | — | Los Angeles Dodgers | Los Angeles Dodgers signed free agent RHP Melvin Jimenez to a minor league contract. |
| Dec 22, 2015 | Signed as free agent | Mike Leake | — | St. Louis Cardinals | St. Louis Cardinals signed free agent RHP Mike Leake. |
| Dec 22, 2015 | Signed as free agent | Ross Detwiler | — | Cleveland Guardians | Cleveland Indians signed free agent LHP Ross Detwiler to a minor league contract and invited him to spring training. |
| Dec 22, 2015 | Signed as free agent | Wesley Wright | — | Arizona Diamondbacks | Arizona Diamondbacks signed free agent LHP Wesley Wright to a minor league contract and invited him to spring training. |
| Dec 22, 2015 | Signed as free agent | Pat Leyland | — | Cincinnati Reds | Cincinnati Reds signed free agent 1B Pat Leyland to a minor league contract. |
| Dec 22, 2015 | Signed as free agent | Ray Chang | — | Cincinnati Reds | Cincinnati Reds signed free agent SS Ray Chang to a minor league contract. |
| Dec 22, 2015 | Signed as free agent | D.J. Wallace | — | Cincinnati Reds | Cincinnati Reds signed free agent OF D.J. Wallace to a minor league contract. |
| Dec 22, 2015 | Signed as free agent | Jordan Yallen | — | Cincinnati Reds | Cincinnati Reds signed free agent OF Jordan Yallen to a minor league contract. |
| Dec 22, 2015 | Signed as free agent | Gregorio Petit | — | Los Angeles Angels | Los Angeles Angels signed free agent 2B Gregorio Petit to a minor league contract and invited him to spring training. |
| Dec 22, 2015 | Signed as free agent | David Martinez | — | Minnesota Twins | Minnesota Twins signed free agent RHP David Martinez to a minor league contract. |
| Dec 21, 2015 | Signed as free agent | Tom Gorzelanny | — | Cleveland Guardians | Cleveland Indians signed free agent LHP Tom Gorzelanny to a minor league contract and invited him to spring training. |
| Dec 21, 2015 | Signed as free agent | Joe Thatcher | — | Cleveland Guardians | Cleveland Indians signed free agent LHP Joe Thatcher to a minor league contract and invited him to spring training. |
| Dec 21, 2015 | Trade | Kyle Lobstein | Detroit Tigers | Pittsburgh Pirates | Detroit Tigers traded LHP Kyle Lobstein to Pittsburgh Pirates for cash. |
| Dec 21, 2015 | Signed as free agent | A.J. Griffin | — | Texas Rangers | Texas Rangers signed free agent RHP A.J. Griffin to a minor league contract and invited him to spring training. |
| Dec 21, 2015 | Signed as free agent | Buddy Baumann | — | San Diego Padres | San Diego Padres signed free agent LHP Buddy Baumann. |
| Dec 21, 2015 | Released | Chris Johnson | — | Cleveland Guardians | Cleveland Indians released 3B Chris Johnson. |
| Dec 21, 2015 | Released | Jay Jackson | — | San Diego Padres | San Diego Padres released RHP Jay Jackson. |
| Dec 21, 2015 | Signed as free agent | Jordany Valdespin | — | Detroit Tigers | Detroit Tigers signed free agent LF Jordany Valdespin to a minor league contract. |
| Dec 21, 2015 | Signed as free agent | Miguel Mejia | — | Chicago Cubs | Chicago Cubs signed free agent RHP Miguel Mejia to a minor league contract. |
| Dec 21, 2015 | Signed as free agent | César Puello | — | New York Yankees | New York Yankees signed free agent RF Cesar Puello to a minor league contract and invited him to spring training. |
| Dec 21, 2015 | Signed as free agent | Jeremy Hefner | — | St. Louis Cardinals | St. Louis Cardinals signed free agent RHP Jeremy Hefner to a minor league contract. |
| Dec 21, 2015 | Signed as free agent | Nestor Molina | — | San Francisco Giants | San Francisco Giants signed free agent RHP Nestor Molina to a minor league contract. |
| Dec 21, 2015 | Signed as free agent | Bobby Doran | — | Toronto Blue Jays | Toronto Blue Jays signed free agent RHP Bobby Doran to a minor league contract. |
| Dec 21, 2015 | Signed as free agent | Brandon Bixler | — | Toronto Blue Jays | Toronto Blue Jays signed free agent LHP Brandon Bixler to a minor league contract. |
| Dec 21, 2015 | Signed as free agent | Christian Marrero | — | Philadelphia Phillies | Philadelphia Phillies signed free agent RF Christian Marrero to a minor league contract. |
| Dec 21, 2015 | Signed as free agent | Julio Damian | — | Los Angeles Dodgers | Los Angeles Dodgers signed free agent RHP Julio Damian to a minor league contract. |
| Dec 21, 2015 | Signed as free agent | Alfredo Tavarez | — | Los Angeles Dodgers | Los Angeles Dodgers signed free agent RHP Alfredo Tavarez to a minor league contract. |
| Dec 21, 2015 | Signed as free agent | Jasiel Alvino | — | Los Angeles Dodgers | Los Angeles Dodgers signed free agent RHP Jasiel Alvino to a minor league contract. |
| Dec 20, 2015 | Signed as free agent | Juan Zabala | — | Los Angeles Dodgers | Los Angeles Dodgers signed free agent C Juan Zabala to a minor league contract. |
| Dec 19, 2015 | Signed as free agent | Jeff Mathis | — | Miami Marlins | Miami Marlins signed free agent C Jeff Mathis. |
| Dec 19, 2015 | Signed as free agent | José Domínguez | — | San Diego Padres | San Diego Padres signed free agent RHP Jose Dominguez to a minor league contract and invited him to spring training. |
| Dec 19, 2015 | Signed as free agent | Keury De La Cruz | — | Minnesota Twins | Minnesota Twins signed free agent LF Keury De La Cruz to a minor league contract. |
| Dec 19, 2015 | Signed as free agent | Vinnie Pestano | — | New York Yankees | New York Yankees signed free agent RHP Vinnie Pestano to a minor league contract and invited him to spring training. |
| Dec 18, 2015 | Signed as free agent | Jarrett Grube | — | Cleveland Guardians | Cleveland Indians signed free agent RHP Jarrett Grube to a minor league contract and invited him to spring training. |
| Dec 18, 2015 | Trade | Dan Otero | Philadelphia Phillies | Cleveland Guardians | Philadelphia Phillies traded RHP Dan Otero to Cleveland Indians for cash. |
| Dec 18, 2015 | Signed as free agent | Dillon Gee | — | Kansas City Royals | Kansas City Royals signed free agent RHP Dillon Gee to a minor league contract and invited him to spring training. |
| Dec 18, 2015 | Trade | Tyler Olson | Seattle Mariners | Los Angeles Dodgers | Seattle Mariners traded LHP Tyler Olson to Los Angeles Dodgers for Future Considerations. |
| Dec 18, 2015 | Signed as free agent | Ryan Vogelsong | — | Pittsburgh Pirates | Pittsburgh Pirates signed free agent RHP Ryan Vogelsong. |
| Dec 18, 2015 | Signed as free agent | Scott Copeland | — | Toronto Blue Jays | Toronto Blue Jays signed free agent RHP Scott Copeland to a minor league contract and invited him to spring training. |
| Dec 18, 2015 | Signed as free agent | Roberto Hernandez | — | Toronto Blue Jays | Toronto Blue Jays signed free agent RHP Roberto Hernandez to a minor league contract and invited him to spring training. |
| Dec 18, 2015 | Signed as free agent | Wade LeBlanc | — | Toronto Blue Jays | Toronto Blue Jays signed free agent Wade LeBlanc. |
| Dec 18, 2015 | Signed as free agent | Patrick McCoy | — | Toronto Blue Jays | Toronto Blue Jays signed free agent LHP Pat McCoy to a minor league contract and invited him to spring training. |
| Dec 18, 2015 | Signed as free agent | Brad Penny | — | Toronto Blue Jays | Toronto Blue Jays signed free agent RHP Brad Penny to a minor league contract and invited him to spring training. |
| Dec 18, 2015 | Signed as free agent | Bartolo Colon | — | New York Mets | New York Mets signed free agent RHP Bartolo Colon. |
| Dec 18, 2015 | Signed as free agent | Mike Aviles | — | Detroit Tigers | Detroit Tigers signed free agent SS Mike Aviles. |
| Dec 18, 2015 | Signed as free agent | Hisashi Iwakuma | — | Seattle Mariners | Seattle Mariners signed free agent RHP Hisashi Iwakuma. |
| Dec 18, 2015 | Signed as free agent | Dustin Molleken | — | Detroit Tigers | Detroit Tigers signed free agent RHP Dustin Molleken to a minor league contract. |
| Dec 18, 2015 | Signed as free agent | Scott Barnes | — | Chicago Cubs | Chicago Cubs signed free agent LHP Scott Barnes to a minor league contract. |
| Dec 18, 2015 | Signed as free agent | Josh Wall | — | Chicago White Sox | Chicago White Sox signed free agent RHP Josh Wall to a minor league contract and invited him to spring training. |
| Dec 18, 2015 | Signed as free agent | Yohan Flande | — | Colorado Rockies | Colorado Rockies signed free agent LHP Yohan Flande to a minor league contract and invited him to spring training. |
| Dec 18, 2015 | Signed as free agent | Cameron Garfield | — | Colorado Rockies | Colorado Rockies signed free agent C Cameron Garfield to a minor league contract. |
| Dec 18, 2015 | Signed as free agent | Benino Pruneda | — | Kansas City Royals | Kansas City Royals signed free agent RHP Benino Pruneda to a minor league contract. |
| Dec 18, 2015 | Signed as free agent | Jose Ortiz | — | Minnesota Twins | Minnesota Twins signed free agent C Jose Ortiz to a minor league contract. |
| Dec 18, 2015 | Signed as free agent | Leonardo Reginatto | — | Minnesota Twins | Minnesota Twins signed free agent SS Leonardo Reginatto to a minor league contract. |
| Dec 18, 2015 | Signed as free agent | Richard Bleier | — | New York Yankees | New York Yankees signed free agent LHP Richard Bleier to a minor league contract and invited him to spring training. |
| Dec 18, 2015 | Signed as free agent | Juan Silva | — | New York Yankees | New York Yankees signed free agent RF Juan Silva to a minor league contract. |
| Dec 18, 2015 | Signed as free agent | Dana Eveland | — | Tampa Bay Rays | Tampa Bay Rays signed free agent LHP Dana Eveland to a minor league contract and invited him to spring training. |
| Dec 18, 2015 | Signed as free agent | Kyle Roller | — | Tampa Bay Rays | Tampa Bay Rays signed free agent 1B Kyle Roller to a minor league contract and invited him to spring training. |
| Dec 18, 2015 | Signed as free agent | Matt Bush | — | Texas Rangers | Texas Rangers signed free agent RHP Matt Bush to a minor league contract. |
| Dec 18, 2015 | Signed as free agent | Aaron Laffey | — | Washington Nationals | Washington Nationals signed free agent LHP Aaron Laffey to a minor league contract and invited him to spring training. |
| Dec 18, 2015 | Signed as free agent | Zach Collier | — | Washington Nationals | Washington Nationals signed free agent LF Zach Collier to a minor league contract. |
| Dec 18, 2015 | Signed as free agent | Gerardo Bojorquez | — | Houston Astros | Houston Astros signed free agent RHP Gerardo Bojorquez to a minor league contract. |
| Dec 18, 2015 | Signed as free agent | Johsson Arias | — | Houston Astros | Houston Astros signed free agent RHP Johsson Arias to a minor league contract. |
| Dec 17, 2015 | Signed as free agent | Fernando Abad | — | Minnesota Twins | Minnesota Twins signed free agent LHP Fernando Abad to a minor league contract and invited him to spring training. |
| Dec 17, 2015 | Signed as free agent | Heiker Meneses | — | Minnesota Twins | Minnesota Twins signed free agent 3B Heiker Meneses to a minor league contract and invited him to spring training. |
| Dec 17, 2015 | Signed as free agent | Sean Rodríguez | — | Pittsburgh Pirates | Pittsburgh Pirates signed free agent 1B Sean Rodriguez. |
| Dec 17, 2015 | Signed as free agent | Ryan Sweeney | — | Minnesota Twins | Minnesota Twins signed free agent CF Ryan Sweeney to a minor league contract and invited him to spring training. |
| Dec 17, 2015 | Signed as free agent | Andrew Bailey | — | Philadelphia Phillies | Philadelphia Phillies signed free agent RHP Andrew Bailey to a minor league contract and invited him to spring training. |
| Dec 17, 2015 | Signed as free agent | Edward Mujica | — | Philadelphia Phillies | Philadelphia Phillies signed free agent RHP Edward Mujica to a minor league contract and invited him to spring training. |
| Dec 17, 2015 | Signed as free agent | Rajai Davis | — | Cleveland Guardians | Cleveland Indians signed free agent CF Rajai Davis. |
| Dec 17, 2015 | Signed as free agent | Casey Coleman | — | Seattle Mariners | Seattle Mariners signed free agent RHP Casey Coleman to a minor league contract and invited him to spring training. |
| Dec 17, 2015 | Signed as free agent | Ed Lucas | — | Seattle Mariners | Seattle Mariners signed free agent 2B Ed Lucas to a minor league contract and invited him to spring training. |
| Dec 17, 2015 | Signed as free agent | Brad Mills | — | Seattle Mariners | Seattle Mariners signed free agent LHP Brad Mills to a minor league contract and invited him to spring training. |
| Dec 17, 2015 | Signed as free agent | Blake Parker | — | Seattle Mariners | Seattle Mariners signed free agent RHP Blake Parker to a minor league contract and invited him to spring training. |
| Dec 17, 2015 | Signed as free agent | Justin Ruggiano | — | Texas Rangers | Texas Rangers signed free agent RF Justin Ruggiano. |
| Dec 17, 2015 | Trade | Brendan Ryan | New York Yankees | Chicago Cubs | New York Yankees traded 2B Brendan Ryan to Chicago Cubs. PTBN in the December 8 trade. |
| Dec 17, 2015 | Trade | Jason Rogers | Milwaukee Brewers | Pittsburgh Pirates | Milwaukee Brewers traded 1B Jason Rogers to Pittsburgh Pirates for CF Keon Broxton and RHP Trey Supak. |
| Dec 17, 2015 | Signed as free agent | Fernando Cruz | — | Chicago Cubs | Chicago Cubs signed free agent RHP Fernando Cruz to a minor league contract. |
| Dec 17, 2015 | Signed as free agent | Luis Leroy Cruz | — | Chicago Cubs | Chicago Cubs signed free agent LHP Luis Cruz to a minor league contract and invited him to spring training. |
| Dec 17, 2015 | Signed as free agent | Alex Castellanos | — | Colorado Rockies | Colorado Rockies signed free agent RF Alex Castellanos to a minor league contract. |
| Dec 17, 2015 | Signed as free agent | Daniel Corcino | — | Los Angeles Dodgers | Los Angeles Dodgers signed free agent RHP Daniel Corcino to a minor league contract. |
| Dec 17, 2015 | Signed as free agent | Kaohi Downing | — | Los Angeles Dodgers | Los Angeles Dodgers signed free agent RHP Kaohi Downing to a minor league contract. |
| Dec 17, 2015 | Signed as free agent | Elian Herrera | — | Los Angeles Dodgers | Los Angeles Dodgers signed free agent 2B Elian Herrera to a minor league contract and invited him to spring training. |
| Dec 17, 2015 | Signed as free agent | Alex Hassan | — | Los Angeles Dodgers | Los Angeles Dodgers signed free agent RF Alex Hassan to a minor league contract and invited him to spring training. |
| Dec 17, 2015 | Signed as free agent | Tim Dillard | — | Milwaukee Brewers | Milwaukee Brewers signed free agent RHP Tim Dillard to a minor league contract. |
| Dec 17, 2015 | Signed as free agent | Sebastian Valle | — | New York Yankees | New York Yankees signed free agent C Sebastian Valle to a minor league contract and invited him to spring training. |
| Dec 17, 2015 | Signed as free agent | Robbie Garvey | — | San Francisco Giants | San Francisco Giants signed free agent LF Robbie Garvey to a minor league contract. |
| Dec 17, 2015 | Signed as free agent | Gabe Noyalis | — | Toronto Blue Jays | Toronto Blue Jays signed free agent RHP Gabe Noyalis to a minor league contract. |
| Dec 17, 2015 | Signed as free agent | Tim Alderson | — | Washington Nationals | Washington Nationals signed free agent RHP Tim Alderson to a minor league contract. |
| Dec 17, 2015 | Signed as free agent | Juan Martinez | — | New York Mets | New York Mets signed free agent RHP Juan Martinez to a minor league contract. |
| Dec 17, 2015 | Signed as free agent | Mariano Calcano | — | Minnesota Twins | Minnesota Twins signed free agent 1B Mariano Calcano to a minor league contract. |
| Dec 16, 2015 | Signed as free agent | Albert Cordero | — | Detroit Tigers | Detroit Tigers signed free agent C Albert Cordero to a minor league contract. |
| Dec 16, 2015 | Trade | Todd Frazier | Cincinnati Reds | Chicago White Sox | Cincinnati Reds traded 3B Todd Frazier to Chicago White Sox. Part of three-team trade |
| Dec 16, 2015 | Trade | Brandon Dixon | Los Angeles Dodgers | Cincinnati Reds | Los Angeles Dodgers traded 2B Jose Peraza, LF Scott Schebler and 2B Brandon Dixon to Cincinnati Reds. Part of three-team trade |
| Dec 16, 2015 | Trade | Frankie Montas | Chicago White Sox | Los Angeles Dodgers | Chicago White Sox traded 2B Micah Johnson, RHP Frankie Montas and LF Trayce Thompson to Los Angeles Dodgers. Part of three-team trade |
| Dec 16, 2015 | Signed as free agent | Mark Reynolds | — | Colorado Rockies | Colorado Rockies signed free agent 1B Mark Reynolds. |
| Dec 16, 2015 | Signed as free agent | Tyler Flowers | — | Atlanta Braves | Atlanta Braves signed free agent C Tyler Flowers. |
| Dec 16, 2015 | Signed as free agent | Daniel Nava | — | Los Angeles Angels | Los Angeles Angels signed free agent LF Daniel Nava. |
| Dec 16, 2015 | Signed as free agent | Johnny Cueto | — | San Francisco Giants | San Francisco Giants signed free agent RHP Johnny Cueto. |
| Dec 16, 2015 | Released | Allen Webster | — | Pittsburgh Pirates | Pittsburgh Pirates released RHP Allen Webster. |
| Dec 16, 2015 | Signed as free agent | Héctor Sánchez | — | Chicago White Sox | Chicago White Sox signed free agent C Hector Sanchez to a minor league contract and invited him to spring training. |
| Dec 16, 2015 | Signed as free agent | Nate Schierholtz | — | Detroit Tigers | Detroit Tigers signed free agent RF Nate Schierholtz to a minor league contract and invited him to spring training. |
| Dec 16, 2015 | Signed as free agent | Julio Perez | — | Arizona Diamondbacks | Arizona Diamondbacks signed free agent RHP Julio Perez to a minor league contract. |
| Dec 16, 2015 | Signed as free agent | Bobby Bundy | — | Baltimore Orioles | Baltimore Orioles signed free agent RHP Bobby Bundy to a minor league contract. |
| Dec 16, 2015 | Signed as free agent | John Lannan | — | Kansas City Royals | Kansas City Royals signed free agent LHP John Lannan to a minor league contract and invited him to spring training. |
| Dec 16, 2015 | Signed as free agent | Hunter Adkins | — | Miami Marlins | Miami Marlins signed free agent RHP Hunter Adkins to a minor league contract. |
| Dec 16, 2015 | Signed as free agent | Andrew Barbosa | — | New York Mets | New York Mets signed free agent LHP Andrew Barbosa to a minor league contract. |
| Dec 16, 2015 | Signed as free agent | Jose Rosario | — | New York Yankees | New York Yankees signed free agent 2B Jose Rosario to a minor league contract. |
| Dec 16, 2015 | Signed as free agent | Carlos Pimentel | — | San Diego Padres | San Diego Padres signed free agent RHP Carlos Pimentel to a minor league contract and invited him to spring training. |
| Dec 16, 2015 | Signed as free agent | Carlos Maldonado | — | Texas Rangers | Texas Rangers signed free agent C Carlos Maldonado to a minor league contract. |
| Dec 16, 2015 | Signed as free agent | Raul Beracierta | — | New York Mets | New York Mets signed free agent LF Raul Beracierta to a minor league contract. |
| Dec 16, 2015 | Signed as free agent | Alfredo Benitez | — | Philadelphia Phillies | Philadelphia Phillies signed free agent LHP Alfredo Benitez to a minor league contract. |
| Dec 16, 2015 | Signed as free agent | Gustavo Ferrer | — | Philadelphia Phillies | Philadelphia Phillies signed free agent LHP Gustavo Ferrer to a minor league contract. |
| Dec 16, 2015 | Signed as free agent | Eudiver Avendano | — | Philadelphia Phillies | Philadelphia Phillies signed free agent RHP Eudiver Avendano to a minor league contract. |
| Dec 15, 2015 | Signed as free agent | Tony Barnette | — | Texas Rangers | Texas Rangers signed free agent RHP Tony Barnette. |
| Dec 15, 2015 | Signed as free agent | Bobby Wilson | — | Texas Rangers | Texas Rangers signed free agent C Bobby Wilson to a minor league contract and invited him to spring training. |
| Dec 15, 2015 | Signed as free agent | Chad Smith | — | Texas Rangers | Texas Rangers signed free agent RHP Chad Smith to a minor league contract. |
| Dec 15, 2015 | Signed as free agent | Jerry Blevins | — | New York Mets | New York Mets signed free agent LHP Jerry Blevins. |
| Dec 15, 2015 | Signed as free agent | Will Middlebrooks | — | Milwaukee Brewers | Milwaukee Brewers signed free agent 3B Will Middlebrooks to a minor league contract and invited him to spring training. |
| Dec 15, 2015 | Signed as free agent | Jason Heyward | — | Chicago Cubs | Chicago Cubs signed free agent RF Jason Heyward. |
| Dec 15, 2015 | Signed as free agent | Mike Baxter | — | Seattle Mariners | Seattle Mariners signed free agent RF Mike Baxter to a minor league contract and invited him to spring training. |
| Dec 15, 2015 | Signed as free agent | Jason Gurka | — | Colorado Rockies | Colorado Rockies signed free agent LHP Jason Gurka to a minor league contract and invited him to spring training. |
| Dec 15, 2015 | Signed as free agent | Jack Leathersich | — | Chicago Cubs | Chicago Cubs signed free agent LHP Jack Leathersich to a minor league contract and invited him to spring training. |
| Dec 15, 2015 | Signed as free agent | Alfredo Marte | — | Baltimore Orioles | Baltimore Orioles signed free agent LF Alfredo Marte to a minor league contract and invited him to spring training. |
| Dec 15, 2015 | Signed as free agent | Nick Masset | — | Washington Nationals | Washington Nationals signed free agent RHP Nick Masset to a minor league contract and invited him to spring training. |
| Dec 15, 2015 | Signed as free agent | Juan Carlos Perez | — | Chicago Cubs | Chicago Cubs signed free agent RF Juan Perez to a minor league contract and invited him to spring training. |
| Dec 15, 2015 | Signed as free agent | Anthony Varvaro | — | Boston Red Sox | Boston Red Sox signed free agent RHP Anthony Varvaro to a minor league contract and invited him to spring training. |
| Dec 15, 2015 | Signed as free agent | Alberto Gonzalez | — | Detroit Tigers | Detroit Tigers signed free agent SS Alberto Gonzalez to a minor league contract. |
| Dec 15, 2015 | Signed as free agent | Xavier Avery | — | Baltimore Orioles | Baltimore Orioles signed free agent LF Xavier Avery to a minor league contract. |
| Dec 15, 2015 | Signed as free agent | Peter Mooney | — | Miami Marlins | Miami Marlins signed free agent SS Peter Mooney to a minor league contract. |
| Dec 15, 2015 | Signed as free agent | Marcus Walden | — | Minnesota Twins | Minnesota Twins signed free agent RHP Marcus Walden to a minor league contract. |
| Dec 15, 2015 | Signed as free agent | Fabio Castillo | — | San Diego Padres | San Diego Padres signed free agent RHP Fabio Castillo to a minor league contract. |
| Dec 15, 2015 | Signed as free agent | Jose Monegro | — | Texas Rangers | Texas Rangers signed free agent RHP Jose Monegro to a minor league contract. |
| Dec 15, 2015 | Signed as free agent | Edwin Garcia | — | Texas Rangers | Texas Rangers signed free agent SS Edwin Garcia to a minor league contract. |
| Dec 15, 2015 | Signed as free agent | Jon Velasquez | — | Washington Nationals | Washington Nationals signed free agent RHP Jon Velasquez to a minor league contract. |
| Dec 15, 2015 | Signed as free agent | Cutter Dykstra | — | Washington Nationals | Washington Nationals signed free agent 2B Cutter Dykstra to a minor league contract. |
| Dec 15, 2015 | Signed as free agent | Jose De Los Santos | — | Washington Nationals | Washington Nationals signed free agent RHP Jose De Los Santos to a minor league contract. |
| Dec 14, 2015 | Signed as free agent | J.P. Arencibia | — | Philadelphia Phillies | Philadelphia Phillies signed free agent C J.P. Arencibia to a minor league contract and invited him to spring training. |
| Dec 14, 2015 | Signed as free agent | Ernesto Frieri | — | Philadelphia Phillies | Philadelphia Phillies signed free agent RHP Ernesto Frieri to a minor league contract and invited him to spring training. |
| Dec 14, 2015 | Signed as free agent | Gregory Infante | — | Philadelphia Phillies | Philadelphia Phillies signed free agent RHP Gregory Infante to a minor league contract and invited him to spring training. |
| Dec 14, 2015 | Signed as free agent | Darren O'Day | — | Baltimore Orioles | Baltimore Orioles signed free agent RHP Darren O'Day. |
| Dec 14, 2015 | Signed as free agent | Yusmeiro Petit | — | Washington Nationals | Washington Nationals signed free agent RHP Yusmeiro Petit. |
| Dec 14, 2015 | Signed as free agent | Trevor Cahill | — | Chicago Cubs | Chicago Cubs signed free agent RHP Trevor Cahill. |
| Dec 14, 2015 | Signed as free agent | Darin Mastroianni | — | Minnesota Twins | Minnesota Twins signed free agent RF Darin Mastroianni to a minor league contract and invited him to spring training. |
| Dec 14, 2015 | Signed as free agent | Wilfredo Tovar | — | Minnesota Twins | Minnesota Twins signed free agent 2B Wilfredo Tovar to a minor league contract and invited him to spring training. |
| Dec 14, 2015 | Signed as free agent | Buddy Boshers | — | Minnesota Twins | Minnesota Twins signed free agent LHP Buddy Boshers to a minor league contract and invited him to spring training. |
| Dec 14, 2015 | Signed as free agent | Brandon Kintzler | — | Minnesota Twins | Minnesota Twins signed free agent RHP Brandon Kintzler to a minor league contract and invited him to spring training. |
| Dec 14, 2015 | Signed as free agent | Steve Cishek | — | Seattle Mariners | Seattle Mariners signed free agent RHP Steve Cishek. |
| Dec 14, 2015 | Signed as free agent | Buddy Carlyle | — | New York Mets | New York Mets signed free agent RHP Buddy Carlyle to a minor league contract. |
| Dec 14, 2015 | Signed as free agent | Ryan LaMarre | — | Boston Red Sox | Boston Red Sox signed free agent CF Ryan LaMarre to a minor league contract and invited him to spring training. |
| Dec 14, 2015 | Signed as free agent | Brandon Morrow | — | San Diego Padres | San Diego Padres signed free agent RHP Brandon Morrow to a minor league contract and invited him to spring training. |
| Dec 14, 2015 | Signed as free agent | Melvin Mercedes | — | Detroit Tigers | Detroit Tigers signed free agent RHP Melvin Mercedes to a minor league contract. |
| Dec 14, 2015 | Signed as free agent | Scott Rice | — | Arizona Diamondbacks | Arizona Diamondbacks signed free agent LHP Scott Rice to a minor league contract and invited him to spring training. |
| Dec 14, 2015 | Signed as free agent | Nate Freiman | — | Atlanta Braves | Atlanta Braves signed free agent 1B Nate Freiman to a minor league contract. |
| Dec 14, 2015 | Signed as free agent | Terry Doyle | — | Baltimore Orioles | Baltimore Orioles signed free agent RHP Terry Doyle to a minor league contract. |
| Dec 14, 2015 | Signed as free agent | Ali Solis | — | Boston Red Sox | Boston Red Sox signed free agent C Ali Solis to a minor league contract and invited him to spring training. |
| Dec 14, 2015 | Signed as free agent | Chris Dominguez | — | Boston Red Sox | Boston Red Sox signed free agent 3B Chris Dominguez to a minor league contract and invited him to spring training. |
| Dec 14, 2015 | Signed as free agent | Robert Andino | — | Miami Marlins | Miami Marlins signed free agent 2B Robert Andino to a minor league contract and invited him to spring training. |
| Dec 14, 2015 | Signed as free agent | Buddy Carlyle | — | New York Mets | New York Mets signed free agent RHP Buddy Carlyle to a minor league contract and invited him to spring training. |
| Dec 14, 2015 | Signed as free agent | Antoan Richardson | — | Pittsburgh Pirates | Pittsburgh Pirates signed free agent RF Antoan Richardson to a minor league contract. |
| Dec 14, 2015 | Signed as free agent | Adam Lopez | — | San Diego Padres | San Diego Padres signed free agent RHP Adam Lopez to a minor league contract. |
| Dec 14, 2015 | Signed as free agent | Alex Burg | — | Texas Rangers | Texas Rangers signed free agent C Alex Burg to a minor league contract. |
| Dec 14, 2015 | Signed as free agent | Kevin Torres | — | Texas Rangers | Texas Rangers signed free agent C Kevin Torres to a minor league contract. |
| Dec 14, 2015 | Signed as free agent | Stephen Shackleford | — | Washington Nationals | Washington Nationals signed free agent RHP Stephen Shackleford to a minor league contract. |
| Dec 14, 2015 | Signed as free agent | Enmanuel Marcano | — | Los Angeles Dodgers | Los Angeles Dodgers signed free agent RHP Enmanuel Marcan to a minor league contract. |
| Dec 14, 2015 | Signed as free agent | Freisis Adames | — | Milwaukee Brewers | Milwaukee Brewers signed free agent RHP Freisis Adames to a minor league contract. |
| Dec 14, 2015 | Signed as free agent | Moises Nolasco | — | Philadelphia Phillies | Philadelphia Phillies signed free agent RHP Moises Nolasco to a minor league contract. |
| Dec 13, 2015 | Signed as free agent | Brandon Gomes | — | Chicago Cubs | Chicago Cubs signed free agent RHP Brandon Gomes to a minor league contract and invited him to spring training. |
| Dec 13, 2015 | Signed as free agent | Sean Kazmar Jr. | — | Atlanta Braves | Atlanta Braves signed free agent SS Sean Kazmar to a minor league contract. |
| Dec 12, 2015 | Trade | Charlie Morton | Pittsburgh Pirates | Philadelphia Phillies | Pittsburgh Pirates traded RHP Charlie Morton to Philadelphia Phillies for RHP David Whitehead. |
| Dec 12, 2015 | Trade | Ken Giles | Philadelphia Phillies | Houston Astros | Philadelphia Phillies traded SS Jonathan Arauz and RHP Ken Giles to Houston Astros for LHP Brett Oberholtzer, RHP Harold Arauz, RHP Mark Appel, RHP Tom Eshelman and RHP Vince Velasquez. |
| Dec 12, 2015 | Signed as free agent | Marc Krauss | — | New York Mets | New York Mets signed free agent 1B Marc Krauss to a minor league contract and invited him to spring training. |
| Dec 12, 2015 | Signed as free agent | Rainel Rosario | — | Boston Red Sox | Boston Red Sox signed free agent LF Rainel Rosario to a minor league contract. |
| Dec 12, 2015 | Signed as free agent | Stephen Fife | — | Chicago Cubs | Chicago Cubs signed free agent RHP Stephen Fife to a minor league contract and invited him to spring training. |
| Dec 12, 2015 | Signed as free agent | Adriam Castillo | — | Kansas City Royals | Kansas City Royals signed free agent RHP Adriam Castillo to a minor league contract. |
| Dec 12, 2015 | Signed as free agent | Raul Fernandez | — | Minnesota Twins | Minnesota Twins signed free agent RHP Raul Fernandez to a minor league contract. |
| Dec 12, 2015 | Signed as free agent | Duane Below | — | New York Mets | New York Mets signed free agent LHP Duane Below to a minor league contract and invited him to spring training. |
| Dec 11, 2015 | Signed as free agent | Darwin Barney | — | Toronto Blue Jays | Toronto Blue Jays signed free agent 2B Darwin Barney. |
| Dec 11, 2015 | Signed as free agent | Oliver Pérez | — | Washington Nationals | Washington Nationals signed free agent LHP Oliver Perez. |
| Dec 11, 2015 | Signed as free agent | Domingo Germán | — | New York Yankees | New York Yankees signed free agent RHP Domingo German to a minor league contract and invited him to spring training. |
| Dec 11, 2015 | Signed as free agent | Shawn Kelley | — | Washington Nationals | Washington Nationals signed free agent RHP Shawn Kelley. |
| Dec 11, 2015 | Signed as free agent | Tony Sipp | — | Houston Astros | Houston Astros signed free agent LHP Tony Sipp. |
| Dec 11, 2015 | Signed as free agent | Robbie Grossman | — | Cleveland Guardians | Cleveland Indians signed free agent LF Robbie Grossman to a minor league contract and invited him to spring training. |
| Dec 11, 2015 | Signed as free agent | Lendy Castillo | — | Detroit Tigers | Detroit Tigers signed free agent RHP Lendy Castillo to a minor league contract and invited him to spring training. |
| Dec 11, 2015 | Signed as free agent | Thad Weber | — | Detroit Tigers | Detroit Tigers signed free agent RHP Thad Weber to a minor league contract. |
| Dec 11, 2015 | Signed as free agent | Drake Britton | — | Detroit Tigers | Detroit Tigers signed free agent LHP Drake Britton to a minor league contract and invited him to spring training. |
| Dec 11, 2015 | Trade | Ryne Harper | Atlanta Braves | Seattle Mariners | Atlanta Braves traded RHP Ryne Harper to Seattle Mariners. PBTN in December 4 trade |
| Dec 11, 2015 | Signed as free agent | John Axford | — | Athletics | Oakland Athletics signed free agent RHP John Axford. |
| Dec 11, 2015 | Signed as free agent | Ryan Madson | — | Athletics | Oakland Athletics signed free agent RHP Ryan Madson. |
| Dec 11, 2015 | Signed as free agent | Asdrúbal Cabrera | — | New York Mets | New York Mets signed free agent SS Asdrubal Cabrera. |
| Dec 11, 2015 | Signed as free agent | Jake Elmore | — | Milwaukee Brewers | Milwaukee Brewers signed free agent 2B Jake Elmore to a minor league contract and invited him to spring training. |
| Dec 11, 2015 | Signed as free agent | Alex Presley | — | Milwaukee Brewers | Milwaukee Brewers signed free agent LF Alex Presley to a minor league contract and invited him to spring training. |
| Dec 11, 2015 | Signed as free agent | Joaquin Arias | — | Arizona Diamondbacks | Arizona Diamondbacks signed free agent 3B Joaquin Arias to a minor league contract and invited him to spring training. |
| Dec 11, 2015 | Signed as free agent | Dylan Axelrod | — | Miami Marlins | Miami Marlins signed free agent RHP Dylan Axelrod to a minor league contract and invited him to spring training. |
| Dec 11, 2015 | Signed as free agent | Jason Bourgeois | — | Arizona Diamondbacks | Arizona Diamondbacks signed free agent Jason Bourgeois. |
| Dec 11, 2015 | Signed as free agent | Jean Machi | — | Chicago Cubs | Chicago Cubs signed free agent RHP Jean Machi to a minor league contract and invited him to spring training. |
| Dec 11, 2015 | Signed as free agent | Tim Stauffer | — | Arizona Diamondbacks | Arizona Diamondbacks signed free agent RHP Tim Stauffer to a minor league contract and invited him to spring training. |
| Dec 11, 2015 | Signed as free agent | Matt Buschmann | — | Arizona Diamondbacks | Arizona Diamondbacks signed free agent RHP Matt Buschmann to a minor league contract and invited him to spring training. |
| Dec 11, 2015 | Signed as free agent | José Cisnero | — | Arizona Diamondbacks | Arizona Diamondbacks signed free agent RHP Jose Cisnero to a minor league contract and invited him to spring training. |
| Dec 11, 2015 | Signed as free agent | Paul Smyth | — | Arizona Diamondbacks | Arizona Diamondbacks signed free agent RHP Paul Smyth to a minor league contract. |
| Dec 11, 2015 | Trade | Zach Kapstein | Boston Red Sox | Baltimore Orioles | Boston Red Sox traded C Zach Kapstein to Baltimore Orioles for cash. |
| Dec 11, 2015 | Signed as free agent | Kelly Dugan | — | Chicago Cubs | Chicago Cubs signed free agent RF Kelly Dugan to a minor league contract. |
| Dec 11, 2015 | Signed as free agent | Brock Huntzinger | — | Colorado Rockies | Colorado Rockies signed free agent RHP Brock Huntzinger to a minor league contract and invited him to spring training. |
| Dec 11, 2015 | Signed as free agent | Jeisson Fana | — | Kansas City Royals | Kansas City Royals signed free agent RHP Jeisson Fana to a minor league contract. |
| Dec 11, 2015 | Signed as free agent | Lisalverto Bonilla | — | Los Angeles Dodgers | Los Angeles Dodgers signed free agent RHP Lisalverto Bonilla to a minor league contract and invited him to spring training. |
| Dec 11, 2015 | Signed as free agent | Troy Patton | — | Miami Marlins | Miami Marlins signed free agent LHP Troy Patton to a minor league contract and invited him to spring training. |
| Dec 11, 2015 | Signed as free agent | Dexter Kjerstad | — | Miami Marlins | Miami Marlins signed free agent RF Dexter Kjerstad to a minor league contract. |
| Dec 11, 2015 | Signed as free agent | Andrew Robinson | — | Washington Nationals | Washington Nationals signed free agent RHP Andrew Robinson to a minor league contract. |
| Dec 11, 2015 | Signed as free agent | Sam Runion | — | Washington Nationals | Washington Nationals signed free agent RHP Sam Runion to a minor league contract. |
| Dec 11, 2015 | Signed as free agent | Brian Jeroloman | — | Washington Nationals | Washington Nationals signed free agent C Brian Jeroloman to a minor league contract and invited him to spring training. |
| Dec 11, 2015 | Signed as free agent | Marquez Smith | — | Washington Nationals | Washington Nationals signed free agent 1B Marquez Smith to a minor league contract. |
| Dec 11, 2015 | Signed as free agent | Francis Chavez | — | Kansas City Royals | Kansas City Royals signed free agent RHP Francis Chavez to a minor league contract. |
| Dec 11, 2015 | Signed as free agent | Romer Rojas | — | Atlanta Braves | Atlanta Braves signed free agent OF Romer Rojas to a minor league contract. |
| Dec 11, 2015 | Signed as free agent | Adrian Perez | — | Los Angeles Dodgers | Los Angeles Dodgers signed free agent P Adrian Perez to a minor league contract. |
| Dec 11, 2015 | Signed as free agent | Marco Hernandez | — | Los Angeles Dodgers | Los Angeles Dodgers signed free agent C Marco Hernandez to a minor league contract. |
| Dec 10, 2015 | Signed as free agent | James Jones | — | Texas Rangers | Texas Rangers signed free agent CF James Jones to a minor league contract and invited him to spring training. |
| Dec 10, 2015 | Trade | Garin Cecchini | Boston Red Sox | Milwaukee Brewers | Boston Red Sox traded 3B Garin Cecchini to Milwaukee Brewers for cash. |
| Dec 10, 2015 | Trade | Will Lamb | Texas Rangers | Chicago White Sox | Texas Rangers traded LHP Will Lamb to Chicago White Sox for RHP Myles Jaye. |
| Dec 10, 2015 | Trade | Luis Perdomo | Colorado Rockies | San Diego Padres | Colorado Rockies traded RHP Luis Perdomo to San Diego Padres for Future Considerations. |
| Dec 10, 2015 | Trade | Jabari Blash | Athletics | San Diego Padres | Oakland Athletics traded LF Jabari Blash to San Diego Padres. To complete the December 2 trade. |
| Dec 10, 2015 | Signed as free agent | Jonathan Broxton | — | St. Louis Cardinals | St. Louis Cardinals signed free agent RHP Jonathan Broxton. |
| Dec 10, 2015 | Signed as free agent | Juan Nicasio | — | Pittsburgh Pirates | Pittsburgh Pirates signed free agent RHP Juan Nicasio. |
| Dec 10, 2015 | Signed as free agent | Joakim Soria | — | Kansas City Royals | Kansas City Royals signed free agent RHP Joakim Soria. |
| Dec 10, 2015 | Trade | Yunel Escobar | Washington Nationals | Los Angeles Angels | Washington Nationals traded cash and 3B Yunel Escobar to Los Angeles Angels for RHP Michael Brady and RHP Trevor Gott. |
| Dec 10, 2015 | Trade | Casey Kelly | San Diego Padres | Atlanta Braves | Atlanta Braves traded C Christian Bethancourt to San Diego Padres for RHP Casey Kelly and C Ricardo Rodriguez. |
| Dec 10, 2015 | Trade | Manny Piña | Detroit Tigers | Milwaukee Brewers | Detroit Tigers traded C Manny Pina to Milwaukee Brewers. Completes the November 18 trade |
| Dec 10, 2015 | Signed as free agent | Jean Polanco | — | New York Yankees | New York Yankees signed free agent RHP Jean Polanco to a minor league contract. |
| Dec 9, 2015 | Trade | Shelby Miller | Atlanta Braves | Arizona Diamondbacks | Atlanta Braves traded RHP Shelby Miller and LHP Gabe Speier to Arizona Diamondbacks for RF Ender Inciarte, RHP Aaron Blair and SS Dansby Swanson. |
| Dec 9, 2015 | Signed as free agent | David Hernandez | — | Philadelphia Phillies | Philadelphia Phillies signed free agent RHP David Hernandez. |
| Dec 9, 2015 | Signed as free agent | Jeff Samardzija | — | San Francisco Giants | San Francisco Giants signed free agent RHP Jeff Samardzija. |
| Dec 9, 2015 | Trade | Daniel Missaki | Seattle Mariners | Milwaukee Brewers | Milwaukee Brewers traded 1B Adam Lind to Seattle Mariners for RHP Carlos Herrera, RHP Daniel Missaki and RHP Freddy Peralta. |
| Dec 9, 2015 | Signed as free agent | Chase Utley | — | Los Angeles Dodgers | Los Angeles Dodgers signed free agent 2B Chase Utley. |
| Dec 9, 2015 | Trade | Neil Walker | Pittsburgh Pirates | New York Mets | Pittsburgh Pirates traded 2B Neil Walker to New York Mets for LHP Jonathon Niese. |
| Dec 9, 2015 | Trade | Justin Wilson | New York Yankees | Detroit Tigers | New York Yankees traded LHP Justin Wilson to Detroit Tigers for RHP Chad Green and RHP Luis Cessa. |
| Dec 9, 2015 | Trade | J.B. Wendelken | Chicago White Sox | Athletics | Oakland Athletics traded 2B Brett Lawrie to Chicago White Sox for RHP J.B. Wendelken and LHP Zack Erwin. |
| Dec 9, 2015 | Signed as free agent | Craig Gentry | — | Los Angeles Angels | Los Angeles Angels signed free agent LF Craig Gentry. |
| Dec 9, 2015 | Signed as free agent | Buck Britton | — | Minnesota Twins | Minnesota Twins signed free agent 2B Buck Britton to a minor league contract and invited him to spring training. |
| Dec 9, 2015 | Signed as free agent | Emilio Bonifácio | — | Atlanta Braves | Atlanta Braves signed free agent 2B Emilio Bonifacio. |
| Dec 9, 2015 | Signed as free agent | Craig Gentry | — | Los Angeles Angels | Los Angeles Angels signed free agent LF Craig Gentry. |
| Dec 8, 2015 | Signed as free agent | Jason Motte | — | Colorado Rockies | Colorado Rockies signed free agent RHP Jason Motte. |
| Dec 8, 2015 | Signed as free agent | Chad Qualls | — | Colorado Rockies | Colorado Rockies signed free agent RHP Chad Qualls. |
| Dec 8, 2015 | Trade | Jedd Gyorko | San Diego Padres | St. Louis Cardinals | San Diego Padres traded 3B Jedd Gyorko and cash to St. Louis Cardinals for CF Jon Jay. |
| Dec 8, 2015 | Signed as free agent | John Lackey | — | Chicago Cubs | Chicago Cubs signed free agent RHP John Lackey. |
| Dec 8, 2015 | Signed as free agent | Mark Lowe | — | Detroit Tigers | Detroit Tigers signed free agent RHP Mark Lowe. |
| Dec 8, 2015 | Trade | Adam Warren | New York Yankees | Chicago Cubs | Chicago Cubs traded 2B Starlin Castro to New York Yankees for RHP Adam Warren and Player To Be Named Later. |
| Dec 8, 2015 | Signed as free agent | Ben Zobrist | — | Chicago Cubs | Chicago Cubs signed free agent 2B Ben Zobrist. |
| Dec 8, 2015 | Trade | Trey Cochran-Gill | Seattle Mariners | Athletics | Oakland Athletics traded RHP Evan Scribner to Seattle Mariners for RHP Trey Cochran-Gill. |
| Dec 8, 2015 | Signed as free agent | Zack Greinke | — | Arizona Diamondbacks | Arizona Diamondbacks signed free agent RHP Zack Greinke. |
| Dec 8, 2015 | Signed as free agent | James Beresford | — | Minnesota Twins | Minnesota Twins signed free agent 2B James Beresford to a minor league contract and invited him to spring training. |
| Dec 8, 2015 | Signed as free agent | Rafael Dolis | — | Detroit Tigers | Detroit Tigers signed free agent RHP Rafael Dolis to a minor league contract and invited him to spring training. |
| Dec 8, 2015 | Signed as free agent | Preston Guilmet | — | Detroit Tigers | Detroit Tigers signed free agent RHP Preston Guilmet to a minor league contract and invited him to spring training. |
| Dec 8, 2015 | Signed as free agent | Taylor Wright | — | Arizona Diamondbacks | Arizona Diamondbacks signed free agent RHP Taylor Wright to a minor league contract. |
| Dec 8, 2015 | Signed as free agent | Orlando Calixte | — | Kansas City Royals | Kansas City Royals signed free agent SS Orlando Calixte to a minor league contract and invited him to spring training. |
| Dec 8, 2015 | Signed as free agent | Lucas Luetge | — | Los Angeles Angels | Los Angeles Angels signed free agent LHP Lucas Luetge to a minor league contract and invited him to spring training. |
| Dec 8, 2015 | Signed as free agent | Ryan Buchter | — | San Diego Padres | San Diego Padres signed free agent LHP Ryan Buchter to a minor league contract. |
| Dec 8, 2015 | Signed as free agent | Rocky Gale | — | San Diego Padres | San Diego Padres signed free agent C Rocky Gale to a minor league contract and invited him to spring training. |
| Dec 8, 2015 | Signed as free agent | Miguel Matos | — | Houston Astros | Houston Astros signed free agent RHP Miguel Matos to a minor league contract. |
| Dec 7, 2015 | Signed as free agent | Wilfredo Boscan | — | Pittsburgh Pirates | Pittsburgh Pirates signed free agent RHP Wilfredo Boscan to a minor league contract and invited him to spring training. |
| Dec 7, 2015 | Signed as free agent | Deolis Guerra | — | Pittsburgh Pirates | Pittsburgh Pirates signed free agent RHP Deolis Guerra to a minor league contract and invited him to spring training. |
| Dec 7, 2015 | Signed as free agent | Robert Zárate | — | Pittsburgh Pirates | Pittsburgh Pirates signed free agent LHP Robert Zarate to a minor league contract and invited him to spring training. |
| Dec 7, 2015 | Trade | Wade Miley | Boston Red Sox | Seattle Mariners | Boston Red Sox traded RHP Jonathan Aro and LHP Wade Miley to Seattle Mariners for RHP Carson Smith and LHP Roenis Elias. |
| Dec 7, 2015 | Signed as free agent | Chris Young | — | Kansas City Royals | Kansas City Royals signed free agent RHP Chris Young. |
| Dec 7, 2015 | Signed as free agent | Juan Torres | — | Arizona Diamondbacks | Arizona Diamondbacks signed free agent RHP Juan Torres to a minor league contract. |
| Dec 7, 2015 | Signed as free agent | Ramiro Pena | — | San Francisco Giants | San Francisco Giants signed free agent 2B Ramiro Pena to a minor league contract and invited him to spring training. |
| Dec 7, 2015 | Signed as free agent | Bengie González | — | Seattle Mariners | Seattle Mariners signed free agent 2B Benji Gonzalez to a minor league contract and invited him to spring training. |
| Dec 7, 2015 | Signed as free agent | Yohan Encarnacion | — | Texas Rangers | Texas Rangers signed free agent RHP Yohan Encarnacion to a minor league contract. |
| Dec 7, 2015 | Signed as free agent | Wilerik Diaz | — | Philadelphia Phillies | Philadelphia Phillies signed free agent RHP Wilerik Diaz to a minor league contract. |
| Dec 7, 2015 | Signed as free agent | Yeison Jasco | — | Texas Rangers | Texas Rangers signed free agent RHP Yeison Jasco to a minor league contract. |
| Dec 6, 2015 | Signed as free agent | Mike Pelfrey | — | Detroit Tigers | Detroit Tigers signed free agent RHP Mike Pelfrey. |
| Dec 6, 2015 | Signed as free agent | Jarrod Saltalamacchia | — | Detroit Tigers | Detroit Tigers signed free agent C Jarrod Saltalamacchia. |
| Dec 6, 2015 | Signed as free agent | Frank Garces | — | San Diego Padres | San Diego Padres signed free agent LHP Frank Garces to a minor league contract and invited him to spring training. |
| Dec 5, 2015 | Signed as free agent | Donn Roach | — | Seattle Mariners | Seattle Mariners signed free agent RHP Donn Roach to a minor league contract. |
| Dec 5, 2015 | Signed as free agent | Jeff Beliveau | — | Baltimore Orioles | Baltimore Orioles signed free agent LHP Jeff Beliveau to a minor league contract and invited him to spring training. |
| Dec 5, 2015 | Signed as free agent | Ali Castillo | — | San Francisco Giants | San Francisco Giants signed free agent SS Ali Castillo to a minor league contract. |
| Dec 5, 2015 | Signed as free agent | Donn Roach | — | Seattle Mariners | Seattle Mariners signed free agent RHP Donn Roach to a minor league contract and invited him to spring training. |
| Dec 4, 2015 | Signed as free agent | Dioner Navarro | — | Chicago White Sox | Chicago White Sox signed free agent C Dioner Navarro. |
| Dec 4, 2015 | Signed as free agent | Jacob Turner | — | Chicago White Sox | Chicago White Sox signed free agent RHP Jacob Turner. |
| Dec 4, 2015 | Trade | José Ramírez | Seattle Mariners | Atlanta Braves | Seattle Mariners traded RHP Jose Ramirez to Atlanta Braves for Player To Be Named Later and cash. |
| Dec 4, 2015 | Signed as free agent | Josh Thole | — | Toronto Blue Jays | Toronto Blue Jays signed free agent C Josh Thole. |
| Dec 4, 2015 | Signed as free agent | David Price | — | Boston Red Sox | Boston Red Sox signed free agent LHP David Price. |
| Dec 4, 2015 | Signed as free agent | Gordon Beckham | — | Atlanta Braves | Atlanta Braves signed free agent 3B Gordon Beckham. |
| Dec 4, 2015 | Signed as free agent | Jason Stoffel | — | Baltimore Orioles | Baltimore Orioles signed free agent RHP Jason Stoffel to a minor league contract. |
| Dec 4, 2015 | Signed as free agent | Zack Dodson | — | Baltimore Orioles | Baltimore Orioles signed free agent LHP Zack Dodson to a minor league contract. |
| Dec 4, 2015 | Signed as free agent | Rubi Silva | — | Baltimore Orioles | Baltimore Orioles signed free agent RF Rubi Silva to a minor league contract. |
| Dec 4, 2015 | Signed as free agent | Andy Parrino | — | Chicago White Sox | Chicago White Sox signed free agent SS Andy Parrino to a minor league contract and invited him to spring training. |
| Dec 4, 2015 | Signed as free agent | Joey Wong | — | Colorado Rockies | Colorado Rockies signed free agent 3B Joey Wong to a minor league contract. |
| Dec 4, 2015 | Signed as free agent | Ramon Castro | — | Kansas City Royals | Kansas City Royals signed free agent 2B Ramon Castro to a minor league contract. |
| Dec 4, 2015 | Signed as free agent | Daniel Tillman | — | Milwaukee Brewers | Milwaukee Brewers signed free agent RHP Daniel Tillman to a minor league contract and invited him to spring training. |
| Dec 4, 2015 | Signed as free agent | Eric Surkamp | — | Athletics | Oakland Athletics signed free agent LHP Eric Surkamp to a minor league contract and invited him to spring training. |
| Dec 4, 2015 | Signed as free agent | Juan Gonzalez | — | St. Louis Cardinals | St. Louis Cardinals signed free agent RHP Juan Gonzalez to a minor league contract and invited him to spring training. |
| Dec 4, 2015 | Signed as free agent | Juan Carlos Sulbaran | — | St. Louis Cardinals | St. Louis Cardinals signed free agent RHP J.C. Sulbaran to a minor league contract and invited him to spring training. |
| Dec 4, 2015 | Signed as free agent | Jeremy Hazelbaker | — | St. Louis Cardinals | St. Louis Cardinals signed free agent RF Jeremy Hazelbaker to a minor league contract and invited him to spring training. |
| Dec 4, 2015 | Signed as free agent | Jose Roca | — | Tampa Bay Rays | Tampa Bay Rays signed free agent RHP Jose Roca to a minor league contract. |
| Dec 4, 2015 | Signed as free agent | Robert Valera | — | Tampa Bay Rays | Tampa Bay Rays signed free agent C Robert Valera to a minor league contract. |
| Dec 3, 2015 | Signed as free agent | Jim Henderson | — | New York Mets | New York Mets signed free agent RHP Jim Henderson to a minor league contract and invited him to spring training. |
| Dec 3, 2015 | Signed as free agent | Norichika Aoki | — | Seattle Mariners | Seattle Mariners signed free agent Norichika Aoki. |
| Dec 3, 2015 | Signed as free agent | Cole Figueroa | — | Pittsburgh Pirates | Pittsburgh Pirates signed free agent 2B Cole Figueroa to a minor league contract and invited him to spring training. |
| Dec 3, 2015 | Signed as free agent | R.J. Alaniz | — | Detroit Tigers | Detroit Tigers signed free agent RHP Ruben Alaniz to a minor league contract. |
| Dec 3, 2015 | Signed as free agent | Cory Riordan | — | Detroit Tigers | Detroit Tigers signed free agent RHP Cory Riordan to a minor league contract. |
| Dec 3, 2015 | Signed as free agent | Anthony Cheky | — | Arizona Diamondbacks | Arizona Diamondbacks signed free agent OF Anthony Cheky to a minor league contract. |
| Dec 3, 2015 | Signed as free agent | Rosell Herrera | — | Colorado Rockies | Colorado Rockies signed free agent CF Rosell Herrera to a minor league contract and invited him to spring training. |
| Dec 3, 2015 | Signed as free agent | Cody Decker | — | Kansas City Royals | Kansas City Royals signed free agent Cody Decker. |
| Dec 3, 2015 | Signed as free agent | Nick Buss | — | Los Angeles Angels | Los Angeles Angels signed free agent LF Nick Buss to a minor league contract and invited him to spring training. |
| Dec 3, 2015 | Signed as free agent | Chris Heisey | — | Washington Nationals | Washington Nationals signed free agent LF Chris Heisey to a minor league contract and invited him to spring training. |
| Dec 3, 2015 | Signed as free agent | David Holmberg | — | Atlanta Braves | Atlanta Braves signed free agent LHP David Holmberg to a minor league contract and invited him to spring training. |
| Dec 2, 2015 | Trade | Tony Cruz | St. Louis Cardinals | Kansas City Royals | St. Louis Cardinals traded C Tony Cruz to Kansas City Royals for SS Jose Martinez. |
| Dec 2, 2015 | Signed as free agent | Chris Young | — | Boston Red Sox | Boston Red Sox signed free agent LF Chris Young. |
| Dec 2, 2015 | Trade | José Torres | Athletics | San Diego Padres | San Diego Padres traded LHP Marc Rzepczynski and 1B Yonder Alonso to Oakland Athletics for LHP Drew Pomeranz, LHP Jose Torres and Player To Be Named Later. |
| Dec 2, 2015 | Trade | Patrick Kivlehan | Seattle Mariners | Texas Rangers | Seattle Mariners traded 3B Patrick Kivlehan to Texas Rangers. PTBN in 11/16 trade |
| Dec 2, 2015 | Trade | Steve Clevenger | Baltimore Orioles | Seattle Mariners | Baltimore Orioles traded C Steve Clevenger to Seattle Mariners for RF Mark Trumbo and LHP C.J. Riefenhauser. |
| Dec 2, 2015 | Signed as free agent | Justin De Fratus | — | Seattle Mariners | Seattle Mariners signed free agent RHP Justin De Fratus. |
| Dec 2, 2015 | Trade | Francisco Peña | Kansas City Royals | Baltimore Orioles | Kansas City Royals traded C Francisco Pena to Baltimore Orioles for cash. |
| Dec 2, 2015 | Trade | Collin Cowgill | Los Angeles Angels | Cleveland Guardians | Los Angeles Angels traded LF Collin Cowgill to Cleveland Indians for cash. |
| Dec 2, 2015 | Trade | Hank Conger | Houston Astros | Tampa Bay Rays | Houston Astros traded C Hank Conger to Tampa Bay Rays for cash. |
| Dec 2, 2015 | Signed as free agent | Quintin Berry | — | Los Angeles Angels | Los Angeles Angels signed free agent LF Quintin Berry to a minor league contract and invited him to spring training. |
| Dec 2, 2015 | Signed as free agent | Ross Seaton | — | Detroit Tigers | Detroit Tigers signed free agent RHP Ross Seaton to a minor league contract. |
| Dec 2, 2015 | Signed as free agent | Tommy Field | — | Detroit Tigers | Detroit Tigers signed free agent 2B Thomas Field to a minor league contract and invited him to spring training. |
| Dec 2, 2015 | Signed as free agent | Sean O'Sullivan | — | Boston Red Sox | Boston Red Sox signed free agent RHP Sean O'Sullivan to a minor league contract and invited him to spring training. |
| Dec 2, 2015 | Signed as free agent | Ramon E Ramirez | — | Los Angeles Angels | Los Angeles Angels signed free agent RHP Ramon Ramirez to a minor league contract and invited him to spring training. |
| Dec 1, 2015 | Signed as free agent | Joba Chamberlain | — | Cleveland Guardians | Cleveland Indians signed free agent RHP Joba Chamberlain to a minor league contract and invited him to spring training. |
| Dec 1, 2015 | Signed as free agent | ByungHo Park | — | Minnesota Twins | Minnesota Twins signed free agent Byungho Park. |
| Dec 1, 2015 | Signed as free agent | Rafael Ortega | — | Los Angeles Angels | Los Angeles Angels signed free agent Rafael Ortega. |
| Dec 1, 2015 | Signed as free agent | Felipe Paulino | — | Cleveland Guardians | Cleveland Indians signed free agent RHP Felipe Paulino to a minor league contract and invited him to spring training. |
| Dec 1, 2015 | Signed as free agent | Dustin McGowan | — | Miami Marlins | Miami Marlins signed free agent RHP Dustin McGowan to a minor league contract and invited him to spring training. |
| Dec 1, 2015 | Signed as free agent | Jhan Mariñez | — | Tampa Bay Rays | Tampa Bay Rays signed free agent RHP Jhan Marinez to a minor league contract and invited him to spring training. |
| Dec 1, 2015 | Signed as free agent | William Jimenez | — | St. Louis Cardinals | St. Louis Cardinals signed free agent OF William Jimenez to a minor league contract. |
| Nov 30, 2015 | Signed as free agent | Jordan Zimmermann | — | Detroit Tigers | Detroit Tigers signed free agent RHP Jordan Zimmermann. |
| Nov 30, 2015 | Signed as free agent | Brayan Peña | — | St. Louis Cardinals | St. Louis Cardinals signed free agent C Brayan Pena. |
| Nov 30, 2015 | Signed as free agent | Jim Johnson | — | Atlanta Braves | Atlanta Braves signed free agent RHP Jim Johnson. |
| Nov 30, 2015 | Signed as free agent | Joel Payamps | — | Arizona Diamondbacks | Arizona Diamondbacks signed free agent RHP Joel Payamps to a minor league contract. |
| Nov 30, 2015 | Signed as free agent | Hector Hernandez | — | Arizona Diamondbacks | Arizona Diamondbacks signed free agent LHP Hector Hernandez to a minor league contract. |
| Nov 30, 2015 | Signed as free agent | Aaron Thompson | — | Minnesota Twins | Minnesota Twins signed free agent LHP Aaron Thompson to a minor league contract and invited him to spring training. |
| Nov 30, 2015 | Signed as free agent | Juan Centeno | — | Minnesota Twins | Minnesota Twins signed free agent C Juan Centeno to a minor league contract and invited him to spring training. |
| Nov 30, 2015 | Signed as free agent | Diego Moreno | — | New York Yankees | New York Yankees signed free agent RHP Diego Moreno to a minor league contract and invited him to spring training. |
| Nov 30, 2015 | Signed as free agent | Pete Kozma | — | New York Yankees | New York Yankees signed free agent SS Pete Kozma to a minor league contract and invited him to spring training. |
| Nov 30, 2015 | Signed as free agent | Luis Cordero | — | Milwaukee Brewers | Milwaukee Brewers signed free agent LHP Luis Cordero to a minor league contract. |
| Nov 29, 2015 | Signed as free agent | Donavan Tate | — | Los Angeles Angels | Los Angeles Angels signed free agent CF Donavan Tate to a minor league contract. |
| Nov 28, 2015 | Signed as free agent | Philip Humber | — | San Diego Padres | San Diego Padres signed free agent RHP Philip Humber to a minor league contract and invited him to spring training. |
| Nov 27, 2015 | Signed as free agent | Anthony Recker | — | Cleveland Guardians | Cleveland Indians signed free agent Anthony Recker. |
| Nov 27, 2015 | Signed as free agent | J.A. Happ | — | Toronto Blue Jays | Toronto Blue Jays signed free agent LHP J.A. Happ. |
| Nov 27, 2015 | Signed as free agent | Humberto Maldonado | — | Minnesota Twins | Minnesota Twins signed free agent OF Humberto Maldonado to a minor league contract. |
| Nov 27, 2015 | Signed as free agent | Jose Pena | — | Milwaukee Brewers | Milwaukee Brewers signed free agent OF Jose Pena to a minor league contract. |
| Nov 26, 2015 | Signed as free agent | Pedro Beato | — | Baltimore Orioles | Baltimore Orioles signed free agent RHP Pedro Beato to a minor league contract and invited him to spring training. |
| Nov 26, 2015 | Signed as free agent | Ethan Martin | — | Atlanta Braves | Atlanta Braves signed free agent RHP Ethan Martin to a minor league contract. |
| Nov 25, 2015 | Signed as free agent | Jake Goebbert | — | Pittsburgh Pirates | Pittsburgh Pirates signed free agent Jake Goebbert. |
| Nov 25, 2015 | Trade | Allen Webster | Arizona Diamondbacks | Pittsburgh Pirates | Arizona Diamondbacks traded RHP Allen Webster to Pittsburgh Pirates for cash. |
| Nov 25, 2015 | Signed as free agent | Alex Avila | — | Chicago White Sox | Chicago White Sox signed free agent C Alex Avila. |
| Nov 25, 2015 | Trade | Brendan McCurry | Athletics | Houston Astros | Houston Astros traded 2B Jed Lowrie to Oakland Athletics for RHP Brendan McCurry. |
| Nov 25, 2015 | Trade | L.J. Hoes | Houston Astros | Baltimore Orioles | Houston Astros traded LF L.J. Hoes to Baltimore Orioles for cash. |
| Nov 25, 2015 | Trade | Kirby Yates | Tampa Bay Rays | Cleveland Guardians | Tampa Bay Rays traded RHP Kirby Yates to Cleveland Indians for cash. |
| Nov 25, 2015 | Trade | Rex Brothers | Colorado Rockies | Chicago Cubs | Chicago Cubs traded LHP Wander Cabrera to Colorado Rockies for LHP Rex Brothers. |
| Nov 25, 2015 | Signed as free agent | Bud Norris | — | Atlanta Braves | Atlanta Braves signed free agent RHP Bud Norris. |
| Nov 25, 2015 | Released | A.J. Griffin | — | Athletics | Oakland Athletics released RHP A.J. Griffin. |
| Nov 25, 2015 | Signed as free agent | Dayan Díaz | — | Cincinnati Reds | Cincinnati Reds signed free agent RHP Dayan Diaz to a minor league contract and invited him to spring training. |
| Nov 25, 2015 | Signed as free agent | Tim Melville | — | Cincinnati Reds | Cincinnati Reds signed free agent RHP Tim Melville to a minor league contract and invited him to spring training. |
| Nov 25, 2015 | Signed as free agent | JC Ramírez | — | Cincinnati Reds | Cincinnati Reds signed free agent RHP JC Ramirez to a minor league contract and invited him to spring training. |
| Nov 25, 2015 | Signed as free agent | Todd Redmond | — | Baltimore Orioles | Baltimore Orioles signed free agent RHP Todd Redmond to a minor league contract and invited him to spring training. |
| Nov 25, 2015 | Signed as free agent | Justin Maxwell | — | Miami Marlins | Miami Marlins signed free agent CF Justin Maxwell to a minor league contract and invited him to spring training. |
| Nov 25, 2015 | Signed as free agent | Joshua Rodriguez | — | Athletics | Oakland Athletics signed free agent SS Josh Rodriguez to a minor league contract and invited him to spring training. |
| Nov 25, 2015 | Signed as free agent | Ryan Schimpf | — | San Diego Padres | San Diego Padres signed free agent 3B Ryan Schimpf to a minor league contract and invited him to spring training. |
| Nov 25, 2015 | Signed as free agent | Melky Mesa | — | Toronto Blue Jays | Toronto Blue Jays signed free agent RF Melky Mesa to a minor league contract. |
| Nov 25, 2015 | Signed as free agent | Jake Brigham | — | Detroit Tigers | Detroit Tigers signed free agent RHP Jake Brigham to a minor league contract. |
| Nov 25, 2015 | Signed as free agent | Joe Benson | — | Minnesota Twins | Minnesota Twins signed free agent RF Joe Benson to a minor league contract and invited him to spring training. |
| Nov 25, 2015 | Signed as free agent | Elvis Rivas | — | Minnesota Twins | Minnesota Twins signed free agent RHP Elvis Rivas to a minor league contract. |
| Nov 25, 2015 | Signed as free agent | Moris Duran | — | Minnesota Twins | Minnesota Twins signed free agent SS Moris Duran to a minor league contract. |
| Nov 24, 2015 | Signed as free agent | David Carpenter | — | Atlanta Braves | Atlanta Braves signed free agent RHP David Carpenter to a minor league contract and invited him to spring training. |
| Nov 24, 2015 | Trade | Tommy Kahnle | Colorado Rockies | Chicago White Sox | Colorado Rockies traded RHP Tommy Kahnle to Chicago White Sox for RHP Yency Almonte. |
| Nov 24, 2015 | Released | Matt Hague | — | Toronto Blue Jays | Toronto Blue Jays released 1B Matt Hague. |
| Nov 24, 2015 | Signed as free agent | Geovany Soto | — | Los Angeles Angels | Los Angeles Angels signed free agent C Geovany Soto. |
| Nov 24, 2015 | Signed as free agent | Daniel Marten | — | New York Yankees | New York Yankees signed free agent RHP Daniel Marten to a minor league contract. |
| Nov 24, 2015 | Signed as free agent | Stolmy Pimentel | — | New York Mets | New York Mets signed free agent RHP Stolmy Pimentel to a minor league contract and invited him to spring training. |
| Nov 24, 2015 | Signed as free agent | Blayne Weller | — | Arizona Diamondbacks | Arizona Diamondbacks signed free agent RHP Blayne Weller to a minor league contract. |
| Nov 24, 2015 | Signed as free agent | Luis Frías | — | Arizona Diamondbacks | Arizona Diamondbacks signed free agent 3B Luis Frias to a minor league contract. |
| Nov 24, 2015 | Signed as free agent | Michael O'Neal | — | Atlanta Braves | Atlanta Braves signed free agent LHP Michael O'Neal to a minor league contract. |
| Nov 24, 2015 | Signed as free agent | Ronnier Mustelier | — | Atlanta Braves | Atlanta Braves signed free agent 2B Ronnier Mustelier to a minor league contract. |
| Nov 24, 2015 | Signed as free agent | Ji Man Choi | — | Baltimore Orioles | Baltimore Orioles signed free agent 1B Ji-Man Choi to a minor league contract. |
| Nov 24, 2015 | Signed as free agent | Nik Turley | — | Chicago White Sox | Chicago White Sox signed free agent LHP Nik Turley to a minor league contract and invited him to spring training. |
| Nov 24, 2015 | Signed as free agent | Eudy Pina | — | Chicago White Sox | Chicago White Sox signed free agent RF Eudy Pina to a minor league contract. |
| Nov 24, 2015 | Signed as free agent | Paul Clemens | — | Miami Marlins | Miami Marlins signed free agent RHP Paul Clemens to a minor league contract and invited him to spring training. |
| Nov 24, 2015 | Signed as free agent | DJ Johnson | — | Miami Marlins | Miami Marlins signed free agent RHP D.J. Johnson to a minor league contract. |
| Nov 24, 2015 | Signed as free agent | Matt Martin | — | Miami Marlins | Miami Marlins signed free agent C Matt Martin to a minor league contract. |
| Nov 24, 2015 | Signed as free agent | Xavier Scruggs | — | Miami Marlins | Miami Marlins signed free agent 1B Xavier Scruggs to a minor league contract and invited him to spring training. |
| Nov 24, 2015 | Signed as free agent | Kyle Blanks | — | San Francisco Giants | San Francisco Giants signed free agent 1B Kyle Blanks to a minor league contract and invited him to spring training. |
| Nov 24, 2015 | Signed as free agent | Scott Diamond | — | Toronto Blue Jays | Toronto Blue Jays signed free agent LHP Scott Diamond to a minor league contract and invited him to spring training. |
| Nov 24, 2015 | Signed as free agent | Anthony Fernandez | — | Detroit Tigers | Detroit Tigers signed free agent LHP Anthony Fernandez to a minor league contract. |
| Nov 24, 2015 | Signed as free agent | Jhonneyver Gutierrez | — | Cleveland Guardians | Cleveland Indians signed free agent RHP Jhonneyver Gutierrez to a minor league contract. |
| Nov 23, 2015 | Signed as free agent | Chris Iannetta | — | Seattle Mariners | Seattle Mariners signed free agent C Chris Iannetta. |
| Nov 23, 2015 | Released | J.P. Arencibia | — | Tampa Bay Rays | Tampa Bay Rays released C J.P. Arencibia. |
| Nov 23, 2015 | Signed as free agent | Luis Parra | — | Chicago Cubs | Chicago Cubs signed free agent LHP Luis Parra to a minor league contract. |
| Nov 23, 2015 | Signed as free agent | Hernan Iribarren | — | Cincinnati Reds | Cincinnati Reds signed free agent 2B Hernan Iribarren to a minor league contract. |
| Nov 23, 2015 | Signed as free agent | Jermaine Curtis | — | Cincinnati Reds | Cincinnati Reds signed free agent 3B Jermaine Curtis to a minor league contract. |
| Nov 23, 2015 | Signed as free agent | Patrick Schuster | — | Athletics | Oakland Athletics signed free agent LHP Patrick Schuster to a minor league contract and invited him to spring training. |
| Nov 23, 2015 | Signed as free agent | Greg Burke | — | Philadelphia Phillies | Philadelphia Phillies signed free agent RHP Greg Burke to a minor league contract and invited him to spring training. |
| Nov 23, 2015 | Signed as free agent | Nick Evans | — | San Diego Padres | San Diego Padres signed free agent 1B Nick Evans to a minor league contract. |
| Nov 23, 2015 | Signed as free agent | Grant Green | — | San Francisco Giants | San Francisco Giants signed free agent 2B Grant Green to a minor league contract and invited him to spring training. |
| Nov 23, 2015 | Signed as free agent | Casey Kotchman | — | Toronto Blue Jays | Toronto Blue Jays signed free agent 1B Casey Kotchman to a minor league contract and invited him to spring training. |
| Nov 21, 2015 | Signed as free agent | Yusniel Díaz | — | Los Angeles Dodgers | Los Angeles Dodgers signed free agent OF Yusniel Diaz to a minor league contract. |
| Nov 21, 2015 | Signed as free agent | Omar Estévez | — | Los Angeles Dodgers | Los Angeles Dodgers signed free agent 2B Omar Estevez to a minor league contract. |
| Nov 21, 2015 | Signed as free agent | Adrian Salcedo | — | Los Angeles Dodgers | Los Angeles Dodgers signed free agent RHP Adrian Salcedo to a minor league contract. |
| Nov 21, 2015 | Signed as free agent | Brandon Allen | — | Cincinnati Reds | Cincinnati Reds signed free agent 1B Brandon Allen to a minor league contract and invited him to spring training. |
| Nov 21, 2015 | Signed as free agent | Clario Perez | — | Pittsburgh Pirates | Pittsburgh Pirates signed free agent RHP Clario Perez to a minor league contract. |
| Nov 21, 2015 | Signed as free agent | Matt Purke | — | Chicago White Sox | Chicago White Sox signed free agent LHP Matt Purke to a minor league contract and invited him to spring training. |
| Nov 21, 2015 | Signed as free agent | Terance Marin | — | Chicago White Sox | Chicago White Sox signed free agent RHP Terance Marin to a minor league contract. |
| Nov 21, 2015 | Signed as free agent | Adrián Sanchez | — | Washington Nationals | Washington Nationals signed free agent 3B Adrian Sanchez to a minor league contract. |
| Nov 21, 2015 | Signed as free agent | Lars Anderson | — | Los Angeles Dodgers | Los Angeles Dodgers signed free agent 1B Lars Anderson to a minor league contract. |
| Nov 21, 2015 | Signed as free agent | Carlos Ramírez | — | Toronto Blue Jays | Toronto Blue Jays signed free agent RHP Carlos Ramirez to a minor league contract. |
| Nov 20, 2015 | Signed as free agent | Scott Hairston | — | Chicago White Sox | Chicago White Sox signed free agent LF Scott Hairston to a minor league contract. |
| Nov 20, 2015 | Trade | Ramón Flores | Seattle Mariners | Milwaukee Brewers | Seattle Mariners traded CF Ramon Flores to Milwaukee Brewers for 2B Luis Sardinas. |
| Nov 20, 2015 | Released | C.C. Lee | — | Cleveland Guardians | Cleveland Indians released RHP C.C. Lee. |
| Nov 20, 2015 | Signed as free agent | Rich Hill | — | Athletics | Oakland Athletics signed free agent LHP Rich Hill. |
| Nov 20, 2015 | Signed as free agent | César Vargas | — | San Diego Padres | San Diego Padres signed free agent Cesar Vargas. |
| Nov 20, 2015 | Trade | Cameron Maybin | Atlanta Braves | Detroit Tigers | Atlanta Braves traded CF Cameron Maybin to Detroit Tigers for LHP Ian Krol and LHP Gabe Speier. |
| Nov 20, 2015 | Signed as free agent | Blake Wood | — | Cincinnati Reds | Cincinnati Reds signed free agent RHP Blake Wood. |
| Nov 20, 2015 | Trade | Spencer Patton | Texas Rangers | Chicago Cubs | Texas Rangers traded RHP Spencer Patton to Chicago Cubs for 2B Frandy De La Rosa. |
| Nov 20, 2015 | Trade | Jesse Chavez | Athletics | Toronto Blue Jays | Oakland Athletics traded RHP Jesse Chavez to Toronto Blue Jays for RHP Liam Hendriks. |
| Nov 20, 2015 | Signed as free agent | Joel De La Cruz | — | Atlanta Braves | Atlanta Braves signed free agent RHP Joel De La Cruz to a minor league contract. |
| Nov 20, 2015 | Signed as free agent | Colin Kleven | — | Chicago White Sox | Chicago White Sox signed free agent RHP Colin Kleven to a minor league contract and invited him to spring training. |
| Nov 20, 2015 | Signed as free agent | Chadd Krist | — | Chicago White Sox | Chicago White Sox signed free agent C Chadd Krist to a minor league contract. |
| Nov 20, 2015 | Signed as free agent | Edward Paredes | — | Los Angeles Angels | Los Angeles Angels signed free agent LHP Edward Paredes to a minor league contract. |
| Nov 20, 2015 | Signed as free agent | Jeff Malm | — | Los Angeles Dodgers | Los Angeles Dodgers signed free agent LHP Jeff Malm to a minor league contract. |
| Nov 20, 2015 | Signed as free agent | Curtis Partch | — | Pittsburgh Pirates | Pittsburgh Pirates signed free agent RHP Curtis Partch to a minor league contract and invited him to spring training. |
| Nov 20, 2015 | Signed as free agent | Danny Ortiz | — | Pittsburgh Pirates | Pittsburgh Pirates signed free agent LF Danny Ortiz to a minor league contract and invited him to spring training. |
| Nov 20, 2015 | Signed as free agent | Luis Diaz | — | San Diego Padres | San Diego Padres signed free agent RHP Luis Diaz to a minor league contract and invited him to spring training. |
| Nov 20, 2015 | Signed as free agent | Tyler Sturdevant | — | Tampa Bay Rays | Tampa Bay Rays signed free agent RHP Tyler Sturdevant to a minor league contract and invited him to spring training. |
| Nov 20, 2015 | Signed as free agent | Wilmer Dominguez | — | Tampa Bay Rays | Tampa Bay Rays signed free agent C Wilmer Dominguez to a minor league contract. |
| Nov 20, 2015 | Signed as free agent | David Adams | — | Toronto Blue Jays | Toronto Blue Jays signed free agent 2B David Adams to a minor league contract and invited him to spring training. |
| Nov 20, 2015 | Signed as free agent | Jio Mier | — | Toronto Blue Jays | Toronto Blue Jays signed free agent SS Jio Mier to a minor league contract and invited him to spring training. |
| Nov 19, 2015 | Trade | Jonathan Villar | Houston Astros | Milwaukee Brewers | Houston Astros traded 2B Jonathan Villar to Milwaukee Brewers for RHP Cy Sneed. |
| Nov 19, 2015 | Released | Luis Leroy Cruz | — | Houston Astros | Houston Astros released LHP Luis Cruz. |
| Nov 19, 2015 | Released | Robbie Grossman | — | Houston Astros | Houston Astros released LF Robbie Grossman. |
| Nov 19, 2015 | Signed as free agent | Adam Moore | — | Cleveland Guardians | Cleveland Indians signed free agent C Adam Moore to a minor league contract and invited him to spring training. |
| Nov 19, 2015 | Signed as free agent | Shane Robinson | — | Cleveland Guardians | Cleveland Indians signed free agent LF Shane Robinson to a minor league contract and invited him to spring training. |
| Nov 19, 2015 | Signed as free agent | Joel Polanco | — | Baltimore Orioles | Baltimore Orioles signed free agent C Joel Polanco to a minor league contract. |
| Nov 19, 2015 | Signed as free agent | Willians Astudillo | — | Atlanta Braves | Atlanta Braves signed free agent C Willians Astudillo to a minor league contract and invited him to spring training. |
| Nov 19, 2015 | Signed as free agent | Leonel Aponte | — | Philadelphia Phillies | Philadelphia Phillies signed free agent RHP Leonel Aponte to a minor league contract. |
| Nov 19, 2015 | Signed as free agent | Edgar Alberto Garcia | — | Arizona Diamondbacks | Arizona Diamondbacks signed free agent RHP Edgar Garcia to a minor league contract. |
| Nov 19, 2015 | Signed as free agent | Shawn McGill | — | Baltimore Orioles | Baltimore Orioles signed free agent C Shawn McGill to a minor league contract. |
| Nov 19, 2015 | Signed as free agent | Martin Cervenka | — | Cleveland Guardians | Cleveland Indians signed free agent C Martin Cervenka to a minor league contract. |
| Nov 19, 2015 | Signed as free agent | Matt West | — | Los Angeles Dodgers | Los Angeles Dodgers signed free agent RHP Matt West to a minor league contract and invited him to spring training. |
| Nov 19, 2015 | Signed as free agent | Charlie Culberson | — | Los Angeles Dodgers | Los Angeles Dodgers signed free agent 3B Charlie Culberson to a minor league contract and invited him to spring training. |
| Nov 19, 2015 | Signed as free agent | René García | — | Milwaukee Brewers | Milwaukee Brewers signed free agent C Rene Garcia to a minor league contract and invited him to spring training. |
| Nov 19, 2015 | Signed as free agent | Angelys Nina | — | Philadelphia Phillies | Philadelphia Phillies signed free agent 2B Angelys Nina to a minor league contract and invited him to spring training. |
| Nov 19, 2015 | Signed as free agent | Scott Sizemore | — | Washington Nationals | Washington Nationals signed free agent 3B Scott Sizemore to a minor league contract and invited him to spring training. |
| Nov 19, 2015 | Signed as free agent | Patrick Johnson | — | Pittsburgh Pirates | Pittsburgh Pirates signed free agent RHP Patrick Johnson to a minor league contract. |
| Nov 18, 2015 | Trade | Francisco Rodríguez | Milwaukee Brewers | Detroit Tigers | Milwaukee Brewers Traded RHP Francisco Rodriguez to Detroit Tigers and Lakeland Flying Tigers Traded 2B Javier Betancourt to Brevard County Manatees. |
| Nov 18, 2015 | Signed as free agent | Emmanuel Burriss | — | Philadelphia Phillies | Philadelphia Phillies signed free agent 2B Emmanuel Burriss to a minor league contract and invited him to spring training. |
| Nov 18, 2015 | Signed as free agent | Frank Herrmann | — | Philadelphia Phillies | Philadelphia Phillies signed free agent RHP Frank Herrmann to a minor league contract and invited him to spring training. |
| Nov 18, 2015 | Signed as free agent | Ryan Jackson | — | Philadelphia Phillies | Philadelphia Phillies signed free agent Ryan Jackson. |
| Nov 18, 2015 | Signed as free agent | Andury Acevedo | — | Chicago Cubs | Chicago Cubs signed free agent Andury Acevedo. |
| Nov 18, 2015 | Signed as free agent | Oliver Batista | — | Tampa Bay Rays | Tampa Bay Rays signed free agent RHP Oliver Batista to a minor league contract. |
| Nov 18, 2015 | Signed as free agent | Yunior Martinez | — | Tampa Bay Rays | Tampa Bay Rays signed free agent OF Yunior Martinez to a minor league contract. |
| Nov 18, 2015 | Signed as free agent | Kyle Drabek | — | Arizona Diamondbacks | Arizona Diamondbacks signed free agent RHP Kyle Drabek to a minor league contract and invited him to spring training. |
| Nov 18, 2015 | Signed as free agent | Carlos Rivero | — | Arizona Diamondbacks | Arizona Diamondbacks signed free agent 3B Carlos Rivero to a minor league contract and invited him to spring training. |
| Nov 18, 2015 | Signed as free agent | Pedro Perez | — | Baltimore Orioles | Baltimore Orioles signed free agent C Pedro Perez to a minor league contract. |
| Nov 18, 2015 | Signed as free agent | Matt Lollis | — | Chicago White Sox | Chicago White Sox signed free agent RHP Matt Lollis to a minor league contract and invited him to spring training. |
| Nov 18, 2015 | Signed as free agent | Brian Schlitter | — | Colorado Rockies | Colorado Rockies signed free agent RHP Brian Schlitter to a minor league contract and invited him to spring training. |
| Nov 18, 2015 | Signed as free agent | Shawn Zarraga | — | Los Angeles Dodgers | Los Angeles Dodgers signed free agent C Shawn Zarraga to a minor league contract and invited him to spring training. |
| Nov 18, 2015 | Signed as free agent | Francisco Arcia | — | Miami Marlins | Miami Marlins signed free agent C Francisco Arcia to a minor league contract and invited him to spring training. |
| Nov 18, 2015 | Signed as free agent | Jim Miller | — | Milwaukee Brewers | Milwaukee Brewers signed free agent RHP Jim Miller to a minor league contract. |
| Nov 18, 2015 | Signed as free agent | Kyle Higashioka | — | New York Yankees | New York Yankees signed free agent C Kyle Higashioka to a minor league contract and invited him to spring training. |
| Nov 18, 2015 | Signed as free agent | Deck McGuire | — | St. Louis Cardinals | St. Louis Cardinals signed free agent RHP Deck McGuire to a minor league contract. |
| Nov 18, 2015 | Signed as free agent | Eric Fryer | — | St. Louis Cardinals | St. Louis Cardinals signed free agent C Eric Fryer to a minor league contract and invited him to spring training. |
| Nov 18, 2015 | Signed as free agent | Daniel McCutchen | — | San Diego Padres | San Diego Padres signed free agent RHP Daniel McCutchen to a minor league contract and invited him to spring training. |
| Nov 18, 2015 | Signed as free agent | Albert Suárez | — | San Francisco Giants | San Francisco Giants signed free agent RHP Albert Suarez to a minor league contract and invited him to spring training. |
| Nov 18, 2015 | Signed as free agent | Hak-Ju Lee | — | San Francisco Giants | San Francisco Giants signed free agent SS Hak-Ju Lee to a minor league contract and invited him to spring training. |
| Nov 18, 2015 | Signed as free agent | Murphy Smith | — | Toronto Blue Jays | Toronto Blue Jays signed free agent RHP Murphy Smith to a minor league contract. |
| Nov 18, 2015 | Signed as free agent | Renaigel Martis | — | Houston Astros | Houston Astros signed free agent OF Renaigel Martis to a minor league contract. |
| Nov 17, 2015 | Signed as free agent | Cliff Pennington | — | Los Angeles Angels | Los Angeles Angels signed free agent 2B Cliff Pennington. |
| Nov 17, 2015 | Signed as free agent | Edinson Trinidad | — | Seattle Mariners | Seattle Mariners signed free agent RHP Edinson Trinidad to a minor league contract. |
| Nov 17, 2015 | Signed as free agent | Juan Pascal | — | Washington Nationals | Washington Nationals signed free agent SS Juan Pascal to a minor league contract. |
| Nov 17, 2015 | Signed as free agent | Anthony Seratelli | — | Arizona Diamondbacks | Arizona Diamondbacks signed free agent 2B Anthony Seratelli to a minor league contract. |
| Nov 17, 2015 | Signed as free agent | Brandon Snyder | — | Atlanta Braves | Atlanta Braves signed free agent 1B Brandon Snyder to a minor league contract. |
| Nov 17, 2015 | Signed as free agent | Zach Booker | — | Baltimore Orioles | Baltimore Orioles signed free agent C Zach Booker to a minor league contract. |
| Nov 17, 2015 | Signed as free agent | Roman Colon | — | Kansas City Royals | Kansas City Royals signed free agent RHP Roman Colon to a minor league contract. |
| Nov 17, 2015 | Signed as free agent | Eduard Santos | — | Athletics | Oakland Athletics signed free agent RHP Eduard Santos to a minor league contract and invited him to spring training. |
| Nov 17, 2015 | Signed as free agent | Johnny Hellweg | — | San Diego Padres | San Diego Padres signed free agent RHP Johnny Hellweg to a minor league contract and invited him to spring training. |
| Nov 17, 2015 | Signed as free agent | Kyle Schepel | — | Seattle Mariners | Seattle Mariners signed free agent RHP Kyle Schepel to a minor league contract. |
| Nov 17, 2015 | Signed as free agent | Logan Schafer | — | Washington Nationals | Washington Nationals signed free agent CF Logan Schafer to a minor league contract and invited him to spring training. |
| Nov 16, 2015 | Trade | Leonys Martin | Texas Rangers | Seattle Mariners | Texas Rangers traded CF Leonys Martin and RHP Anthony Bass to Seattle Mariners for RHP Tom Wilhelmsen, CF James Jones and Player To Be Named Later. |
| Nov 16, 2015 | Signed as free agent | Hernán Pérez | — | Milwaukee Brewers | Milwaukee Brewers signed free agent 3B Hernan Perez to a minor league contract and invited him to spring training. |
| Nov 16, 2015 | Signed as free agent | Alfredo Angarita | — | Houston Astros | Houston Astros signed free agent 2B Alfredo Angarita to a minor league contract. |
| Nov 16, 2015 | Signed as free agent | Dennicher Carrasco | — | Kansas City Royals | Kansas City Royals signed free agent 3B Dennicher Carrasco to a minor league contract. |
| Nov 16, 2015 | Signed as free agent | Enderson Rodriguez | — | Kansas City Royals | Kansas City Royals signed free agent RHP Enderson Rodriguez to a minor league contract. |
| Nov 16, 2015 | Signed as free agent | Luis Pasen | — | Los Angeles Dodgers | Los Angeles Dodgers signed free agent RHP Luis Pasen to a minor league contract. |
| Nov 16, 2015 | Signed as free agent | Henry Medina | — | Milwaukee Brewers | Milwaukee Brewers signed free agent RHP Henry Medina to a minor league contract. |
| Nov 16, 2015 | Signed as free agent | Christopher Madera | — | New York Mets | New York Mets signed free agent P Christopher Madera to a minor league contract. |
| Nov 16, 2015 | Signed as free agent | Spencer Mahoney | — | New York Yankees | New York Yankees signed free agent RHP Spencer Mahoney to a minor league contract. |
| Nov 16, 2015 | Signed as free agent | Aaron Lezama | — | San Diego Padres | San Diego Padres signed free agent P Aaron Lezama to a minor league contract. |
| Nov 16, 2015 | Signed as free agent | Steve Tolleson | — | Baltimore Orioles | Baltimore Orioles signed free agent 2B Steve Tolleson to a minor league contract. |
| Nov 16, 2015 | Signed as free agent | Drew Rucinski | — | Chicago Cubs | Chicago Cubs signed free agent RHP Drew Rucinski to a minor league contract and invited him to spring training. |
| Nov 16, 2015 | Signed as free agent | Carlos Hernandez | — | Colorado Rockies | Colorado Rockies signed free agent LHP Carlos Hernandez to a minor league contract. |
| Nov 16, 2015 | Signed as free agent | Martires Arias | — | San Diego Padres | San Diego Padres signed free agent RHP Martires Arias to a minor league contract and invited him to spring training. |
| Nov 16, 2015 | Signed as free agent | Ricky Romero | — | San Francisco Giants | San Francisco Giants signed free agent LHP Ricky Romero to a minor league contract and invited him to spring training. |
| Nov 16, 2015 | Signed as free agent | Jefri Hernandez | — | Texas Rangers | Texas Rangers signed free agent RHP Jefri Hernandez to a minor league contract. |
| Nov 15, 2015 | Signed as free agent | Angel Franco | — | Kansas City Royals | Kansas City Royals signed free agent 2B Angel Franco to a minor league contract. |
| Nov 15, 2015 | Signed as free agent | Chris Smith | — | Athletics | Oakland Athletics signed free agent RHP Chris Smith to a minor league contract and invited him to spring training. |
| Nov 15, 2015 | Signed as free agent | Sean Burnett | — | Washington Nationals | Washington Nationals signed free agent LHP Sean Burnett to a minor league contract and invited him to spring training. |
| Nov 14, 2015 | Trade | Jeremy Hellickson | Arizona Diamondbacks | Philadelphia Phillies | Arizona Diamondbacks traded RHP Jeremy Hellickson to Philadelphia Phillies for RHP Sam McWilliams. |
| Nov 14, 2015 | Signed as free agent | Carlos Moncrief | — | San Francisco Giants | San Francisco Giants signed free agent RF Carlos Moncrief to a minor league contract. |
| Nov 13, 2015 | 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. |
| Nov 13, 2015 | Signed as free agent | Ty Kelly | — | New York Mets | New York Mets signed free agent 2B Ty Kelly to a minor league contract and invited him to spring training. |
| Nov 13, 2015 | Signed as free agent | Marco Estrada | — | Toronto Blue Jays | Toronto Blue Jays signed free agent RHP Marco Estrada. |
| Nov 13, 2015 | Trade | Logan Allen | Boston Red Sox | San Diego Padres | San Diego Padres traded RHP Craig Kimbrel to Boston Red Sox for 3B Carlos Asuaje, SS Javier Guerra, LHP Logan Allen and CF Manuel Margot. |
| Nov 13, 2015 | Signed as free agent | Ulises Martinez | — | Chicago White Sox | Chicago White Sox signed free agent C Ulises Martinez to a minor league contract. |
| Nov 13, 2015 | Signed as free agent | Yender Silva | — | Chicago White Sox | Chicago White Sox signed free agent RHP Yender Silva to a minor league contract. |
| Nov 13, 2015 | Signed as free agent | Angel Chalas | — | New York Mets | New York Mets signed free agent P Angel Chalas to a minor league contract. |
| Nov 13, 2015 | Signed as free agent | Jordy Lara | — | Atlanta Braves | Atlanta Braves signed free agent 1B Jordy Lara to a minor league contract. |
| Nov 13, 2015 | Signed as free agent | J.C. Boscan | — | Kansas City Royals | Kansas City Royals signed free agent C J.C. Boscan to a minor league contract. |
| Nov 13, 2015 | Signed as free agent | Humberto Quintero | — | Toronto Blue Jays | Toronto Blue Jays signed free agent C Humberto Quintero to a minor league contract and invited him to spring training. |
| Nov 12, 2015 | Signed as free agent | James Russell | — | Philadelphia Phillies | Philadelphia Phillies signed free agent LHP James Russell to a minor league contract and invited him to spring training. |
| Nov 12, 2015 | Trade | Nelson Ward | Seattle Mariners | San Diego Padres | San Diego Padres traded RHP Joaquin Benoit to Seattle Mariners for RHP Enyel De Los Santos and SS Nelson Ward. |
| Nov 12, 2015 | Signed as free agent | A.J. Pierzynski | — | Atlanta Braves | Atlanta Braves signed free agent C A.J. Pierzynski. |
| Nov 12, 2015 | Trade | Erick Aybar | Los Angeles Angels | Atlanta Braves | Atlanta Braves traded SS Andrelton Simmons and C Jose Briceno to Los Angeles Angels for SS Erick Aybar, Sean Newcomb, RHP Chris Ellis and cash. |
| Nov 12, 2015 | Signed as free agent | Juan Arias | — | San Diego Padres | San Diego Padres signed free agent RHP Juan Arias to a minor league contract. |
| Nov 12, 2015 | Signed as free agent | Ryan Eigsti | — | Kansas City Royals | Kansas City Royals signed free agent C Ryan Eigsti to a minor league contract. |
| Nov 12, 2015 | Signed as free agent | Omar Martinez | — | Chicago White Sox | Chicago White Sox signed free agent OF Omar Martinez to a minor league contract. |
| Nov 12, 2015 | Signed as free agent | Nick Conner | — | Washington Nationals | Washington Nationals signed free agent RHP Nick Conner to a minor league contract. |
| Nov 12, 2015 | Signed as free agent | Ericson Leonora | — | Arizona Diamondbacks | Arizona Diamondbacks signed free agent LF Ericson Leonora to a minor league contract. |
| Nov 12, 2015 | Signed as free agent | Jeffry Antigua | — | Chicago Cubs | Chicago Cubs signed free agent LHP Jeffry Antigua to a minor league contract. |
| Nov 12, 2015 | Signed as free agent | Destin Hood | — | Miami Marlins | Miami Marlins signed free agent LF Destin Hood to a minor league contract and invited him to spring training. |
| Nov 12, 2015 | Signed as free agent | Kenny Wilson | — | Miami Marlins | Miami Marlins signed free agent CF Kenny Wilson to a minor league contract and invited him to spring training. |
| Nov 12, 2015 | Signed as free agent | Carson Blair | — | Athletics | Oakland Athletics signed free agent C Carson Blair to a minor league contract and invited him to spring training. |
| Nov 11, 2015 | Trade | Ronald Herrera | San Diego Padres | New York Yankees | New York Yankees traded LF Jose Pirela to San Diego Padres for RHP Ronald Herrera. |
| Nov 11, 2015 | Trade | Aaron Hicks | Minnesota Twins | New York Yankees | Minnesota Twins traded RF Aaron Hicks to New York Yankees for C John Ryan Murphy. |
| Nov 11, 2015 | Signed as free agent | Franklin Gutierrez | — | Seattle Mariners | Seattle Mariners signed free agent RF Franklin Gutierrez. |
| Nov 11, 2015 | Signed as free agent | Luis Hurtado | — | Toronto Blue Jays | Toronto Blue Jays signed free agent C Luis Hurtado to a minor league contract. |
| Nov 11, 2015 | Signed as free agent | Ramon Benjamin | — | San Diego Padres | San Diego Padres signed free agent LHP Ramon Benjamin to a minor league contract. |
| Nov 11, 2015 | Signed as free agent | Ryan Wheeler | — | Arizona Diamondbacks | Arizona Diamondbacks signed free agent 3B Ryan Wheeler to a minor league contract. |
| Nov 11, 2015 | Signed as free agent | Harold Chirino | — | Milwaukee Brewers | Milwaukee Brewers signed free agent P Harold Chirino to a minor league contract. |
| Nov 11, 2015 | Signed as free agent | Feliberto Bonilla | — | Seattle Mariners | Seattle Mariners signed free agent RHP Feliberto Bonilla to a minor league contract. |
| Nov 11, 2015 | Signed as free agent | Alfredo Balbuena | — | Tampa Bay Rays | Tampa Bay Rays signed free agent SS Alfredo Balbuena to a minor league contract. |
| Nov 11, 2015 | Signed as free agent | Raul Navarro | — | Arizona Diamondbacks | Arizona Diamondbacks signed free agent SS Raul Navarro to a minor league contract. |
| Nov 11, 2015 | Signed as free agent | Kyle Jensen | — | Arizona Diamondbacks | Arizona Diamondbacks signed free agent RF Kyle Jensen to a minor league contract and invited him to spring training. |
| Nov 11, 2015 | Signed as free agent | Junior Sosa | — | Miami Marlins | Miami Marlins signed free agent CF Junior Sosa to a minor league contract. |
| Nov 11, 2015 | Signed as free agent | Shannon Wilkerson | — | Minnesota Twins | Minnesota Twins signed free agent CF Shannon Wilkerson to a minor league contract. |
| Nov 11, 2015 | Signed as free agent | Junior Arias | — | San Francisco Giants | San Francisco Giants signed free agent CF Junior Arias to a minor league contract. |
| Nov 11, 2015 | Signed as free agent | Jheyson Caraballo | — | Houston Astros | Houston Astros signed free agent RHP Jheyson Caraballo to a minor league contract. |
| Nov 10, 2015 | Trade | Daniel Palka | Arizona Diamondbacks | Minnesota Twins | Minnesota Twins traded C Chris Herrmann to Arizona Diamondbacks for 1B Daniel Palka. |
| Nov 10, 2015 | Released | Jamie Romak | — | Arizona Diamondbacks | Arizona Diamondbacks released LF Jamie Romak. |
| Nov 10, 2015 | Signed as free agent | Jiwan James | — | Detroit Tigers | Detroit Tigers signed free agent CF Jiwan James to a minor league contract. |
| Nov 10, 2015 | Signed as free agent | Madison Younginer IV | — | Atlanta Braves | Atlanta Braves signed free agent RHP Madison Younginer to a minor league contract and invited him to spring training. |
| Nov 10, 2015 | Signed as free agent | Matt Tuiasosopo | — | Atlanta Braves | Atlanta Braves signed free agent LF Matt Tuiasosopo to a minor league contract and invited him to spring training. |
| Nov 10, 2015 | Signed as free agent | Edwin Sano | — | Milwaukee Brewers | Milwaukee Brewers signed free agent SS Edwin Sano to a minor league contract. |
| Nov 10, 2015 | Signed as free agent | Guillermo Granadillo | — | New York Mets | New York Mets signed free agent OF Guillermo Granadillo to a minor league contract. |
| Nov 10, 2015 | Signed as free agent | Victor Isturiz | — | New York Mets | New York Mets signed free agent P Victor Isturiz to a minor league contract. |
| Nov 10, 2015 | Signed as free agent | David Lozano | — | New York Mets | New York Mets signed free agent 2B David Lozano to a minor league contract. |
| Nov 10, 2015 | Signed as free agent | Jorge Martinez | — | New York Mets | New York Mets signed free agent C Jorge Martinez to a minor league contract. |
| Nov 10, 2015 | Signed as free agent | Jeison Rodriguez | — | New York Mets | New York Mets signed free agent OF Jeison Rodriguez to a minor league contract. |
| Nov 10, 2015 | Signed as free agent | Eulises Sanchez | — | New York Mets | New York Mets signed free agent OF Eulises Sanchez to a minor league contract. |
| Nov 10, 2015 | Signed as free agent | Jaison Vilera | — | New York Mets | New York Mets signed free agent P Jaison Vilera to a minor league contract. |
| Nov 10, 2015 | Signed as free agent | Jackson Williams | — | Colorado Rockies | Colorado Rockies signed free agent C Jackson Williams to a minor league contract and invited him to spring training. |
| Nov 10, 2015 | Signed as free agent | Dustin Richardson | — | Los Angeles Dodgers | Los Angeles Dodgers signed free agent PH Dustin Richardson to a minor league contract. |
| Nov 10, 2015 | Signed as free agent | Gustavo Pierre | — | Toronto Blue Jays | Toronto Blue Jays signed free agent RHP Gustavo Pierre to a minor league contract. |
| Nov 9, 2015 | Signed as free agent | Francisco Diaz | — | New York Yankees | New York Yankees signed free agent C Francisco Diaz to a minor league contract and invited him to spring training. |
| Nov 9, 2015 | Signed as free agent | Dusty Coleman | — | Kansas City Royals | Kansas City Royals signed free agent 3B Dusty Coleman to a minor league contract and invited him to spring training. |
| Nov 9, 2015 | Signed as free agent | Jhony Brito | — | New York Yankees | New York Yankees signed free agent RHP Jhony Brito to a minor league contract. |
| Nov 9, 2015 | Signed as free agent | Orlando Noriega | — | Cincinnati Reds | Cincinnati Reds signed free agent P Orlando Noriega to a minor league contract. |
| Nov 9, 2015 | Signed as free agent | Carlos Perdomo | — | Houston Astros | Houston Astros signed free agent LHP Carlos Perdomo to a minor league contract. |
| Nov 9, 2015 | Signed as free agent | Ryan Reid | — | Miami Marlins | Miami Marlins signed free agent RHP Ryan Reid to a minor league contract. |
| Nov 9, 2015 | Signed as free agent | Ryan Chaffee | — | Miami Marlins | Miami Marlins signed free agent RHP Ryan Chaffee to a minor league contract. |
| Nov 8, 2015 | Signed as free agent | Aroni Nina | — | Kansas City Royals | Kansas City Royals signed free agent RHP Aroni Nina to a minor league contract and invited him to spring training. |
| Nov 8, 2015 | Signed as free agent | Erik Kratz | — | San Diego Padres | San Diego Padres signed free agent C Erik Kratz to a minor league contract and invited him to spring training. |
| Nov 7, 2015 | Signed as free agent | Felipe Gonzalez | — | Miami Marlins | Miami Marlins signed free agent RHP Felipe Gonzalez to a minor league contract. |
| Nov 6, 2015 | Signed as free agent | Jesus Reyes | — | San Francisco Giants | San Francisco Giants signed free agent P Jesus Reyes to a minor league contract. |
| Nov 6, 2015 | Signed as free agent | Winston Nicacio | — | St. Louis Cardinals | St. Louis Cardinals signed free agent RHP Winston Nicacio to a minor league contract. |
| Nov 5, 2015 | Trade | Logan Morrison | Seattle Mariners | Tampa Bay Rays | Seattle Mariners traded 2B Brad Miller, 1B Logan Morrison and RHP Danny Farquhar to Tampa Bay Rays for RHP Nate Karns, LHP C.J. Riefenhauser and CF Boog Powell. |
| Nov 5, 2015 | Signed as free agent | Connor Little | — | Atlanta Braves | Atlanta Braves signed free agent RHP Connor Little to a minor league contract. |
| Nov 5, 2015 | Signed as free agent | Raymond Rodriguez | — | Miami Marlins | Miami Marlins signed free agent SS Raymond Rodriguez to a minor league contract. |
| Nov 5, 2015 | Signed as free agent | Chase d'Arnaud | — | Atlanta Braves | Atlanta Braves signed free agent 2B Chase d'Arnaud to a minor league contract and invited him to spring training. |
| Nov 5, 2015 | Signed as free agent | Rayniel Moreno | — | Boston Red Sox | Boston Red Sox signed free agent LHP Rayniel Moreno to a minor league contract. |
| Nov 5, 2015 | Signed as free agent | Bryan Castillo | — | Los Angeles Dodgers | Los Angeles Dodgers signed free agent P Bryan Castill to a minor league contract. |
| Nov 4, 2015 | Signed as free agent | Dan Runzler | — | Minnesota Twins | Minnesota Twins signed free agent LHP Dan Runzler to a minor league contract and invited him to spring training. |
| Nov 4, 2015 | Signed as free agent | Angel Castro | — | Athletics | Oakland Athletics signed free agent RHP Angel Castro to a minor league contract and invited him to spring training. |
| Nov 4, 2015 | Signed as free agent | Antonio Police | — | Boston Red Sox | Boston Red Sox signed free agent RHP Antonio Police to a minor league contract. |
| Nov 4, 2015 | Signed as free agent | Anderson Pilar | — | Colorado Rockies | Colorado Rockies signed free agent RHP Anderson Pilar to a minor league contract. |
| Nov 3, 2015 | Signed as free agent | Bryan Morgado | — | Atlanta Braves | Atlanta Braves signed free agent LHP Bryan Morgado to a minor league contract. |
| Nov 2, 2015 | Released | Chris Martin | — | New York Yankees | New York Yankees released RHP Chris Martin. |
| Nov 2, 2015 | Signed as free agent | Randy Federico | — | Arizona Diamondbacks | Arizona Diamondbacks signed free agent 3B Randy Federico to a minor league contract. |
| Nov 2, 2015 | Signed as free agent | Osvaldo Santilien | — | Arizona Diamondbacks | Arizona Diamondbacks signed free agent OF Osvaldo Santilien to a minor league contract. |
| Nov 2, 2015 | Signed as free agent | Leonel Goitia | — | Colorado Rockies | Colorado Rockies signed free agent RHP Leonel Goitia to a minor league contract. |
| Nov 2, 2015 | Signed as free agent | Edgar Escalona | — | Detroit Tigers | Detroit Tigers signed free agent RHP Edgar Escalona to a minor league contract. |
| Nov 2, 2015 | Signed as free agent | Jose Quero | — | Detroit Tigers | Detroit Tigers signed free agent OF Jose Quero to a minor league contract. |
| Nov 2, 2015 | Signed as free agent | Mike Torres | — | Detroit Tigers | Detroit Tigers signed free agent IF Mike Torres to a minor league contract. |
| Nov 1, 2015 | Signed as free agent | Rob Wort | — | Boston Red Sox | Boston Red Sox signed free agent RHP Rob Wort to a minor league contract. |
| Oct 31, 2015 | Signed as free agent | Phillippe Aumont | — | Chicago White Sox | Chicago White Sox signed free agent RHP Phillippe Aumont to a minor league contract and invited him to spring training. |
| Oct 30, 2015 | Signed as free agent | Adam Loewen | — | Arizona Diamondbacks | Arizona Diamondbacks signed free agent LHP Adam Loewen to a minor league contract and invited him to spring training. |
| Oct 30, 2015 | Signed as free agent | Rodolfo Castro | — | Pittsburgh Pirates | Pittsburgh Pirates signed free agent SS Rodolfo Castro to a minor league contract. |
| Oct 30, 2015 | Signed as free agent | Joel Cesar | — | Pittsburgh Pirates | Pittsburgh Pirates signed free agent RHP Joel Cesar to a minor league contract. |
| Oct 30, 2015 | Signed as free agent | Oliver Garcia | — | Pittsburgh Pirates | Pittsburgh Pirates signed free agent RHP Oliver Garcia to a minor league contract. |
| Oct 30, 2015 | Signed as free agent | Angel Martinez | — | Pittsburgh Pirates | Pittsburgh Pirates signed free agent LHP Angel Martinez to a minor league contract. |
| Oct 28, 2015 | Signed as free agent | Eduardo Figueroa | — | Detroit Tigers | Detroit Tigers signed free agent RHP Eduardo Figueroa to a minor league contract. |
| Oct 28, 2015 | Signed as free agent | Camilo Doval | — | San Francisco Giants | San Francisco Giants signed free agent P Camilo Doval to a minor league contract. |
| Oct 28, 2015 | Signed as free agent | Gonzalez Germen | — | Colorado Rockies | Colorado Rockies signed free agent RHP Gonzalez Germen to a minor league contract and invited him to spring training. |
| Oct 26, 2015 | Signed as free agent | Jose Nivar | — | Arizona Diamondbacks | Arizona Diamondbacks signed free agent RHP Jose Nivar to a minor league contract. |
| Oct 26, 2015 | Signed as free agent | Brett Hayes | — | Arizona Diamondbacks | Arizona Diamondbacks signed free agent C Brett Hayes to a minor league contract and invited him to spring training. |
| Oct 26, 2015 | Signed as free agent | Steve Lombardozzi Jr. | — | Chicago White Sox | Chicago White Sox signed free agent 2B Steve Lombardozzi to a minor league contract and invited him to spring training. |
| Oct 26, 2015 | Signed as free agent | Juan Corniel | — | Houston Astros | Houston Astros signed free agent P Juan Corniel to a minor league contract. |
| Oct 26, 2015 | Signed as free agent | Luis Almanzar | — | Athletics | Oakland Athletics signed free agent SS Luis Almanzar to a minor league contract. |
| Oct 24, 2015 | Trade | Trevor Williams | Miami Marlins | Pittsburgh Pirates | Pittsburgh Pirates traded RHP Richard Mitchell to Miami Marlins for RHP Trevor Williams. |
| Oct 23, 2015 | Signed as free agent | Adam Kolarek | — | Baltimore Orioles | Baltimore Orioles signed free agent LHP Adam Kolarek to a minor league contract. |
| Oct 23, 2015 | Signed as free agent | Reid Brignac | — | Atlanta Braves | Atlanta Braves signed free agent 3B Reid Brignac to a minor league contract and invited him to spring training. |
| Oct 23, 2015 | Signed as free agent | Gorkys Hernández | — | San Francisco Giants | San Francisco Giants signed free agent CF Gorkys Hernandez to a minor league contract and invited him to spring training. |
| Oct 22, 2015 | Signed as free agent | Andy Garcia | — | Arizona Diamondbacks | Arizona Diamondbacks signed free agent C Andy Garcia to a minor league contract. |
| Oct 22, 2015 | Signed as free agent | Roberto Delgado | — | Arizona Diamondbacks | Arizona Diamondbacks signed free agent SS Roberto Delgado to a minor league contract. |
| Oct 22, 2015 | Signed as free agent | Jayce Ray | — | Boston Red Sox | Boston Red Sox signed free agent RF Jayce Ray to a minor league contract. |
| Oct 22, 2015 | Signed as free agent | Cesar Cabral | — | Baltimore Orioles | Baltimore Orioles signed free agent LHP Cesar Cabral to a minor league contract and invited him to spring training. |
| Oct 21, 2015 | Signed as free agent | Jose King | — | Arizona Diamondbacks | Arizona Diamondbacks signed free agent SS Jose King to a minor league contract. |
| Oct 19, 2015 | Released | Logan Kensing | — | Seattle Mariners | Seattle Mariners released RHP Logan Kensing. |
| Oct 19, 2015 | Signed as free agent | Jose Paula | — | Athletics | Oakland Athletics signed free agent OF Jose Paula to a minor league contract. |
| Oct 19, 2015 | Signed as free agent | Simon Castro | — | Colorado Rockies | Colorado Rockies signed free agent RHP Simon Castro to a minor league contract and invited him to spring training. |
| Oct 16, 2015 | Signed as free agent | Erik Garcia | — | St. Louis Cardinals | St. Louis Cardinals signed free agent C Erik Garcia to a minor league contract. |
| Oct 16, 2015 | Signed as free agent | Luis Ramirez | — | Philadelphia Phillies | Philadelphia Phillies signed free agent RHP Luis Ramirez to a minor league contract. |
| Oct 16, 2015 | Signed as free agent | Orlandy Navarro | — | Los Angeles Dodgers | Los Angeles Dodgers signed free agent RHP Orlandy Navarro to a minor league contract. |
| Oct 15, 2015 | Signed as free agent | Jeff Singer | — | Philadelphia Phillies | Philadelphia Phillies signed free agent LHP Jeff Singer to a minor league contract. |
| Oct 14, 2015 | Released | Jim Johnson | — | Los Angeles Dodgers | Los Angeles Dodgers released RHP Jim Johnson. |
| Oct 14, 2015 | Released | Jason Pridie | — | Athletics | Oakland Athletics released CF Jason Pridie. |
| Oct 14, 2015 | Signed as free agent | Michael Zouzalik | — | Baltimore Orioles | Baltimore Orioles signed free agent RHP Michael Zouzalik to a minor league contract. |
| Oct 14, 2015 | Signed as free agent | Ramiro Rodriguez | — | Houston Astros | Houston Astros signed free agent OF Ramiro Ramirez to a minor league contract. |
| Oct 13, 2015 | Signed as free agent | Jahir Varela | — | Cleveland Guardians | Cleveland Indians signed free agent P Jahir Varela to a minor league contract. |
| Oct 12, 2015 | Signed as free agent | Onasis Reyes | — | Tampa Bay Rays | Tampa Bay Rays signed free agent RHP Onasis Reyes to a minor league contract. |
| Oct 12, 2015 | Signed as free agent | Stanly Sabino | — | Tampa Bay Rays | Tampa Bay Rays signed free agent LHP Stanly Sabino to a minor league contract. |
| Oct 12, 2015 | Signed as free agent | Angello Infante | — | Athletics | Oakland Athletics signed free agent RHP Angello Infante to a minor league contract. |
| Oct 12, 2015 | Signed as free agent | Iraj Serrano | — | Athletics | Oakland Athletics signed free agent OF Iraj Serrano to a minor league contract. |
| Oct 11, 2015 | Signed as free agent | Christopher Bonilla | — | Los Angeles Angels | Los Angeles Angels signed free agent RHP Christopher Bonilla to a minor league contract. |
| Oct 11, 2015 | Signed as free agent | Elkin Alcala | — | Miami Marlins | Miami Marlins signed free agent RHP Elkin Alcala to a minor league contract. |
| Oct 11, 2015 | Signed as free agent | Pedro Garcia | — | Minnesota Twins | Minnesota Twins signed free agent RHP Pedro Garcia to a minor league contract. |
| Oct 11, 2015 | Signed as free agent | Chris Volstad | — | Atlanta Braves | Atlanta Braves signed free agent RHP Chris Volstad to a minor league contract and invited him to spring training. |
| Oct 10, 2015 | Signed as free agent | Jaime Arauz | — | Tampa Bay Rays | Tampa Bay Rays signed free agent RHP Jaime Arauz to a minor league contract. |
| Oct 9, 2015 | Signed as free agent | Eddy Martinez | — | Chicago Cubs | Chicago Cubs signed free agent OF Eddy Martinez to a minor league contract. |
| Oct 9, 2015 | Signed as free agent | Jose Mejias | — | Boston Red Sox | Boston Red Sox signed free agent OF Jose Mejias to a minor league contract. |
| Oct 8, 2015 | Signed as free agent | Ty Barkell | — | Los Angeles Angels | Los Angeles Angels signed free agent RHP Ty Barkell to a minor league contract. |
| Oct 8, 2015 | Signed as free agent | Omar Feliz | — | Detroit Tigers | Detroit Tigers signed free agent RHP Omar Feliz to a minor league contract. |
| Oct 8, 2015 | Signed as free agent | Jose Ramirez | — | Detroit Tigers | Detroit Tigers signed free agent RHP Jose Ramirez to a minor league contract. |
| Oct 8, 2015 | Signed as free agent | Osvaldo Oliva | — | Los Angeles Angels | Los Angeles Angels signed free agent SS Osvaldo Oliva to a minor league contract. |
| Oct 8, 2015 | Signed as free agent | Hector Rovain | — | Texas Rangers | Texas Rangers signed free agent RHP Hector Rovain to a minor league contract. |
| Oct 7, 2015 | Signed as free agent | Jose Hernandez | — | San Diego Padres | San Diego Padres signed free agent RHP Jose Hernandez to a minor league contract. |
| Oct 6, 2015 | Signed as free agent | Rolando Lebron | — | Los Angeles Dodgers | Los Angeles Dodgers signed free agent OF Rolando Lebron to a minor league contract. |
| Oct 6, 2015 | Signed as free agent | Alam Martinez | — | San Diego Padres | San Diego Padres signed free agent OF Alam Martinez to a minor league contract. |
| Oct 6, 2015 | Signed as free agent | Brandon Mann | — | Athletics | Oakland Athletics signed free agent LHP Brandon Mann to a minor league contract. |
| Oct 6, 2015 | Signed as free agent | Reed Johnson | — | Washington Nationals | Washington Nationals signed free agent LF Reed Johnson to a minor league contract and invited him to spring training. |
| Oct 5, 2015 | Signed as free agent | Danny Tovar | — | San Diego Padres | San Diego Padres signed free agent OF Danny Tovar to a minor league contract. |
| Oct 5, 2015 | Signed as free agent | Ender Cespedes | — | Tampa Bay Rays | Tampa Bay Rays signed free agent RHP Ender Cespedes to a minor league contract. |
| Oct 5, 2015 | Signed as free agent | Taylor Ard | — | Miami Marlins | Miami Marlins signed free agent 1B Taylor Ard to a minor league contract. |
| Oct 3, 2015 | Signed as free agent | Joe Maloney | — | Minnesota Twins | Minnesota Twins signed free agent C Joe Maloney to a minor league contract. |
| Oct 2, 2015 | Signed as free agent | Sauryn Lao | — | Los Angeles Dodgers | Los Angeles Dodgers signed free agent SS Sauryn Lao to a minor league contract. |
| Oct 2, 2015 | Signed as free agent | Omar Fernandez | — | San Diego Padres | San Diego Padres signed free agent LHP Omar Fernandez to a minor league contract. |
| Oct 1, 2015 | Signed as free agent | J.V. Martinez | — | Cincinnati Reds | Cincinnati Reds signed free agent RHP Juan Martinez to a minor league contract. |
| Oct 1, 2015 | Signed as free agent | Kiber Arvelaez | — | Los Angeles Angels | Los Angeles Angels signed free agent RHP Kiber Arvelaez to a minor league contract. |
| Sep 30, 2015 | Signed as free agent | Jose Gomez | — | Arizona Diamondbacks | Arizona Diamondbacks signed free agent RHP Jose Gomez to a minor league contract. |
| Sep 30, 2015 | Signed as free agent | Juan Hernandez | — | Arizona Diamondbacks | Arizona Diamondbacks signed free agent RHP Juan Hernandez to a minor league contract. |
| Sep 30, 2015 | Signed as free agent | Hector Martinez | — | Arizona Diamondbacks | Arizona Diamondbacks signed free agent RHP Hector Martinez to a minor league contract. |
| Sep 30, 2015 | Signed as free agent | Joseph Rodriguez | — | Arizona Diamondbacks | Arizona Diamondbacks signed free agent RHP Joseph Rodriguez to a minor league contract. |
| Sep 30, 2015 | Signed as free agent | Jorsan Garcia | — | Arizona Diamondbacks | Arizona Diamondbacks signed free agent C Jorsan Garcia to a minor league contract. |
| Sep 30, 2015 | Signed as free agent | Miguel Bermudez | — | Arizona Diamondbacks | Arizona Diamondbacks signed free agent C Miguel Bermudez to a minor league contract. |
| Sep 30, 2015 | Signed as free agent | Gabriel Machado | — | Arizona Diamondbacks | Arizona Diamondbacks signed free agent SS Gabriel Machado to a minor league contract. |
| Sep 30, 2015 | Signed as free agent | Pedro Zorrilla | — | Arizona Diamondbacks | Arizona Diamondbacks signed free agent P Pedro Zorrilla to a minor league contract. |
| Sep 30, 2015 | Signed as free agent | Joel Borges | — | Los Angeles Angels | Los Angeles Angels signed free agent C Joel Borges to a minor league contract. |
| Sep 30, 2015 | Signed as free agent | Samuel Vasquez | — | Minnesota Twins | Minnesota Twins signed free agent CF Samuel Vasquez to a minor league contract. |
| Sep 30, 2015 | Trade | Jack Murphy | Toronto Blue Jays | Los Angeles Dodgers | Toronto Blue Jays traded C Jack Murphy to Los Angeles Dodgers. PTBN in the September 13 trade |
| Sep 30, 2015 | Signed as free agent | Luvin Valbuena | — | Arizona Diamondbacks | Arizona Diamondbacks signed free agent C Luvin Valbuena to a minor league contract. |
| Sep 29, 2015 | Signed as free agent | Eddie Hernandez | — | Arizona Diamondbacks | Arizona Diamondbacks signed free agent SS Eddie Hernandez to a minor league contract. |
| Sep 29, 2015 | Signed as free agent | Pedro Marquez | — | Arizona Diamondbacks | Arizona Diamondbacks signed free agent OF Pedro Marquez to a minor league contract. |
| Sep 29, 2015 | Signed as free agent | Wuilson Meza | — | Cleveland Guardians | Cleveland Indians signed free agent RHP Wuilson Meza to a minor league contract. |
| Sep 29, 2015 | Signed as free agent | Jhon Moronta | — | New York Yankees | New York Yankees signed free agent LF Jhon Moronta to a minor league contract. |
| Sep 29, 2015 | Signed as free agent | Mikey Reynolds | — | St. Louis Cardinals | St. Louis Cardinals signed free agent 2B Mikey Reynolds to a minor league contract. |
| Sep 29, 2015 | Signed as free agent | Jose Oca | — | Cleveland Guardians | Cleveland Indians signed free agent RHP Jose Oca to a minor league contract. |
| Sep 29, 2015 | Signed as free agent | Melvi Acosta | — | Minnesota Twins | Minnesota Twins signed free agent RHP Melvi Acosta to a minor league contract. |
| Sep 29, 2015 | Signed as free agent | Edwar Colina | — | Minnesota Twins | Minnesota Twins signed free agent RHP Edwar Colina to a minor league contract. |
| Sep 29, 2015 | Signed as free agent | Austin Wright | — | Arizona Diamondbacks | Arizona Diamondbacks signed free agent LHP Austin Wright to a minor league contract. |
| Sep 28, 2015 | Signed as free agent | Mat Latos | — | Los Angeles Angels | Los Angeles Angels signed free agent RHP Mat Latos. |
| Sep 28, 2015 | Signed as free agent | Carlos Carreno | — | Cincinnati Reds | Cincinnati Reds signed free agent CF Carlos Carreno to a minor league contract. |
| Sep 28, 2015 | Signed as free agent | Omar Conoropo | — | Cincinnati Reds | Cincinnati Reds signed free agent LHP Omar Conoropo to a minor league contract. |
| Sep 28, 2015 | Signed as free agent | Edwin Ochoa | — | Cincinnati Reds | Cincinnati Reds signed free agent CF Edwin Ochoa to a minor league contract. |
| Sep 28, 2015 | Signed as free agent | Peterson Plaz | — | Cincinnati Reds | Cincinnati Reds signed free agent CF Peterson Plaz to a minor league contract. |
| Sep 28, 2015 | Signed as free agent | Henry Rodriguez | — | Cleveland Guardians | Cleveland Indians signed free agent 3B Henry Rodriguez to a minor league contract. |
| Sep 27, 2015 | Signed as free agent | Cristian Perez | — | Kansas City Royals | Kansas City Royals signed free agent 2B Cristian Perez to a minor league contract. |
| Sep 27, 2015 | Signed as free agent | Kelvin Gonzalez | — | Kansas City Royals | Kansas City Royals signed free agent RHP Kelvin Gonzalez to a minor league contract. |
| Sep 26, 2015 | Signed as free agent | Ezequiel Alfonzo | — | Miami Marlins | Miami Marlins signed free agent P Ezequiel Alfonzo to a minor league contract. |
| Sep 26, 2015 | Signed as free agent | Victor Tademo | — | Minnesota Twins | Minnesota Twins signed free agent SS Victor Tademo to a minor league contract. |
| Sep 25, 2015 | Released | Mat Latos | — | Los Angeles Dodgers | Los Angeles Dodgers released RHP Mat Latos. |
| Sep 25, 2015 | Signed as free agent | Unnamed | — | Arizona Diamondbacks | Arizona Diamondbacks signed free agent CF Gabriel Maciel to a minor league contract. |
| Sep 25, 2015 | Signed as free agent | Max Castillo | — | Toronto Blue Jays | Toronto Blue Jays signed free agent RHP Maximo Castillo to a minor league contract. |
| Sep 24, 2015 | Signed as free agent | Orestes Solano | — | Arizona Diamondbacks | Arizona Diamondbacks signed free agent OF Orestes Solano to a minor league contract. |
| Sep 23, 2015 | Signed as free agent | Brandon Stephens | — | Seattle Mariners | Seattle Mariners signed free agent RHP Brandon Stephens to a minor league contract. |
| Sep 23, 2015 | Signed as free agent | Andrew Toles | — | Los Angeles Dodgers | Los Angeles Dodgers signed free agent CF Andrew Toles to a minor league contract. |
| Sep 23, 2015 | Signed as free agent | Briam Campusano | — | New York Mets | New York Mets signed free agent RHP Briam Campusano to a minor league contract. |
| Sep 22, 2015 | Signed as free agent | Cesar Diaz | — | Athletics | Oakland Athletics signed free agent C Cesar Diaz to a minor league contract. |
| Sep 22, 2015 | Signed as free agent | Miguel Sanchez | — | Athletics | Oakland Athletics signed free agent RHP Miguel Sanchez to a minor league contract. |
| Sep 21, 2015 | Signed as free agent | Carlos Sanchez | — | Athletics | Oakland Athletics signed free agent RHP Carlos Sanchez to a minor league contract. |
| Sep 21, 2015 | Signed as free agent | John Brebbia | — | Arizona Diamondbacks | Arizona Diamondbacks signed free agent RHP John Brebbia to a minor league contract. |
| Sep 21, 2015 | Signed as free agent | Santiago Garrido | — | Baltimore Orioles | Baltimore Orioles signed free agent RHP Santiago Garrido to a minor league contract. |
| Sep 21, 2015 | Signed as free agent | Luis De La Cruz | — | Arizona Diamondbacks | Arizona Diamondbacks signed free agent RHP Luis De La Cruz to a minor league contract. |
| Sep 18, 2015 | Signed as free agent | Jose Bermudez | — | Atlanta Braves | Atlanta Braves signed free agent OF Jose Bermudez to a minor league contract. |
| Sep 18, 2015 | Signed as free agent | Edwin Fidel | — | Houston Astros | Houston Astros signed free agent RHP Edwin Fidel to a minor league contract. |
| Sep 17, 2015 | Signed as free agent | Oliver Grullart | — | San Diego Padres | San Diego Padres signed free agent RHP Oliver Grullart to a minor league contract. |
| Sep 16, 2015 | Signed as free agent | Jose Chacin | — | Los Angeles Dodgers | Los Angeles Dodgers signed free agent RHP Jose Chacin to a minor league contract. |
| Sep 15, 2015 | Signed as free agent | Yeremi De La Cruz | — | Minnesota Twins | Minnesota Twins signed free agent C Yeremi De La Cruz to a minor league contract. |
| Sep 15, 2015 | Signed as free agent | Juan Martinez | — | Minnesota Twins | Minnesota Twins signed free agent RF Juan Martinez to a minor league contract. |
| Sep 15, 2015 | Signed as free agent | Ruben Santana | — | Minnesota Twins | Minnesota Twins signed free agent SS Ruben Santana to a minor league contract. |
| Sep 13, 2015 | Trade | Darwin Barney | Los Angeles Dodgers | Toronto Blue Jays | Los Angeles Dodgers traded 2B Darwin Barney to Toronto Blue Jays for Player To Be Named Later. |
| Sep 13, 2015 | Signed as free agent | Juan Morillo | — | Los Angeles Dodgers | Los Angeles Dodgers signed free agent RHP Juan Morillo to a minor league contract. |
| Sep 13, 2015 | Signed as free agent | Mervin Romero | — | Los Angeles Dodgers | Los Angeles Dodgers signed free agent 2B Mervin Romero to a minor league contract. |
| Sep 11, 2015 | Signed as free agent | Maiker Manzanillo | — | Cleveland Guardians | Cleveland Indians signed free agent RHP Maiker Manzanillo to a minor league contract. |
| Sep 11, 2015 | Signed as free agent | Yeffersson Yannuzzi | — | Cleveland Guardians | Cleveland Indians signed free agent LHP Yeffersson Yannuzzi to a minor league contract. |
| Sep 10, 2015 | Trade | Danny Coulombe | Los Angeles Dodgers | Athletics | Los Angeles Dodgers traded LHP Daniel Coulombe to Oakland Athletics for cash. |
| Sep 10, 2015 | Signed as free agent | Gerardo Nunez | — | Miami Marlins | Miami Marlins signed free agent SS Gerardo Nunez to a minor league contract. |
| Sep 8, 2015 | Signed as free agent | Orian Nunez | — | Chicago Cubs | Chicago Cubs signed free agent 2B Orian Nunez to a minor league contract. |
| Sep 8, 2015 | Signed as free agent | Yeremin Lara | — | Miami Marlins | Miami Marlins signed free agent RHP Yeremin Lara to a minor league contract. |
| Sep 8, 2015 | Signed as free agent | Jerar Encarnacion | — | Miami Marlins | Miami Marlins signed free agent OF Jerar Encarnacion to a minor league contract. |
| Sep 7, 2015 | Signed as free agent | Herson Perez | — | Chicago Cubs | Chicago Cubs signed free agent C Herson Perez to a minor league contract. |
| Sep 7, 2015 | Signed as free agent | Rubendy Jaquez | — | Kansas City Royals | Kansas City Royals signed free agent SS Rubendy Jaquez to a minor league contract. |
| Sep 7, 2015 | Signed as free agent | Unnamed | — | Houston Astros | Houston Astros signed free agent C Bernardo Heras to a minor league contract. |
| Sep 7, 2015 | Signed as free agent | Bernardo Heras | — | Houston Astros | Houston Astros signed free agent C Bernardo Heras to a minor league contract. |
| Sep 5, 2015 | Signed as free agent | Christopher Marte | — | Kansas City Royals | Kansas City Royals signed free agent RHP Christopher Marte to a minor league contract. |
| Sep 4, 2015 | Released | Rafael Soriano | — | Chicago Cubs | Chicago Cubs released RHP Rafael Soriano. |
| Sep 4, 2015 | Signed as free agent | Hunter Adkins | — | Miami Marlins | Miami Marlins signed free agent RHP Hunter Adkins to a minor league contract. |
| Sep 4, 2015 | Signed as free agent | Joe Mello | — | Seattle Mariners | Seattle Mariners signed free agent RHP Joe Mello to a minor league contract. |
| Sep 3, 2015 | Signed as free agent | Joshua Javier | — | Arizona Diamondbacks | Arizona Diamondbacks signed free agent LHP Joshua Javier to a minor league contract. |
| Sep 3, 2015 | Signed as free agent | Douglas Lanza | — | Arizona Diamondbacks | Arizona Diamondbacks signed free agent C Douglas Lanza to a minor league contract. |
| Sep 3, 2015 | Signed as free agent | Eduardo Diaz | — | Arizona Diamondbacks | Arizona Diamondbacks signed free agent OF Eduardo Diaz to a minor league contract. |
| Sep 3, 2015 | Signed as free agent | Angeddy Almanzar | — | San Francisco Giants | San Francisco Giants signed free agent C Angeddy Almanzar to a minor league contract. |
| Sep 2, 2015 | Signed as free agent | Luis Hernandez | — | Los Angeles Angels | Los Angeles Angels signed free agent 2B Luis Hernandez to a minor league contract. |
| Sep 2, 2015 | Signed as free agent | Marcos Estevez | — | Baltimore Orioles | Baltimore Orioles signed free agent OF Marcos Estevez to a minor league contract. |
| Sep 2, 2015 | Signed as free agent | Yerry Rodríguez | — | Texas Rangers | Texas Rangers signed free agent RHP Yerry Rodriguez to a minor league contract. |
| Sep 1, 2015 | Released | David Aardsma | — | Atlanta Braves | Atlanta Braves released RHP David Aardsma. |
| Sep 1, 2015 | Signed as free agent | Jose Gil | — | Los Angeles Angels | Los Angeles Angels signed free agent C Jose Gil to a minor league contract. |
| Aug 31, 2015 | Signed as free agent | Jose Constanza | — | Tampa Bay Rays | Tampa Bay Rays signed free agent OF Jose Constanza to a minor league contract. |
| Aug 31, 2015 | Trade | Austin Jackson | Seattle Mariners | Chicago Cubs | Seattle Mariners traded cash and CF Austin Jackson to Chicago Cubs for Future Considerations and Player To Be Named Later. |
| Aug 31, 2015 | Trade | Alejandro De Aza | Boston Red Sox | San Francisco Giants | Boston Red Sox traded LF Alejandro De Aza to San Francisco Giants for LHP Luis Ysla. |
| Aug 31, 2015 | Trade | Justin Ruggiano | Seattle Mariners | Los Angeles Dodgers | Seattle Mariners traded cash and RF Justin Ruggiano to Los Angeles Dodgers for Player To Be Named Later. |
| Aug 31, 2015 | Trade | Jonny Gomes | Atlanta Braves | Kansas City Royals | Atlanta Braves traded cash and LF Jonny Gomes to Kansas City Royals for SS Luis Valenzuela. |
| Aug 31, 2015 | Trade | Chris Heisey | Toronto Blue Jays | Los Angeles Dodgers | Toronto Blue Jays traded LF Chris Heisey to Los Angeles Dodgers for Player To Be Named Later. |
| Aug 31, 2015 | Signed as free agent | Victor Alfonso | — | Philadelphia Phillies | Philadelphia Phillies signed free agent SS Victor Alfonso to a minor league contract. |
| Aug 30, 2015 | Trade | Addison Reed | Arizona Diamondbacks | New York Mets | Arizona Diamondbacks Traded RHP Addison Reed to New York Mets; St. Lucie Mets Traded Miller Diaz to Visalia Rawhide and Binghamton Mets Traded RHP Matt Koch to Mobile BayBears. |
| Aug 29, 2015 | Signed as free agent | Alex Wells | — | Baltimore Orioles | Baltimore Orioles signed free agent RHP Alex Wells to a minor league contract. |
| Aug 28, 2015 | Signed as free agent | Luke Irvine | — | Arizona Diamondbacks | Arizona Diamondbacks signed free agent RHP Lucas Irvine to a minor league contract. |
| Aug 28, 2015 | Signed as free agent | Jean Alvarado | — | Baltimore Orioles | Baltimore Orioles signed free agent C Jean Alvarado to a minor league contract. |
| Aug 28, 2015 | Signed as free agent | Bryan Ciriaco | — | Baltimore Orioles | Baltimore Orioles signed free agent 3B Bryan Ciriaco to a minor league contract. |
| Aug 28, 2015 | Signed as free agent | Malek Joubas | — | Baltimore Orioles | Baltimore Orioles signed free agent OF Malek Joubas to a minor league contract. |
| Aug 28, 2015 | Signed as free agent | Gregory Santos | — | Boston Red Sox | Boston Red Sox signed free agent RHP Gregory Santos to a minor league contract. |
| Aug 28, 2015 | Signed as free agent | Angel Miguel | — | Cleveland Guardians | Cleveland Indians signed free agent SS Angel Miguel to a minor league contract. |
| Aug 27, 2015 | Released | Alberto Callaspo | — | Los Angeles Dodgers | Los Angeles Dodgers released 3B Alberto Callaspo. |
| Aug 27, 2015 | Released | Rafael Betancourt | — | Colorado Rockies | Colorado Rockies released RHP Rafael Betancourt. |
| Aug 27, 2015 | Trade | Fernando Rodney | Seattle Mariners | Chicago Cubs | Seattle Mariners traded RHP Fernando Rodney to Chicago Cubs. |
| Aug 27, 2015 | Signed as free agent | Kipper Briceno | — | Baltimore Orioles | Baltimore Orioles signed free agent SS Kipper Briceno to a minor league contract. |
| Aug 27, 2015 | Signed as free agent | Jose Sanchez | — | Baltimore Orioles | Baltimore Orioles signed free agent SS Jose Sanchez to a minor league contract. |
| Aug 26, 2015 | Released | Jason Frasor | — | Atlanta Braves | Atlanta Braves released RHP Jason Frasor. |
| Aug 26, 2015 | Signed as free agent | Yonathan Perlaza | — | Chicago Cubs | Chicago Cubs signed free agent SS Yonathan Perlaza to a minor league contract. |
| Aug 25, 2015 | Signed as free agent | Emilio Bonifácio | — | Chicago Cubs | Chicago Cubs signed free agent 2B Emilio Bonifacio to a minor league contract. |
| Aug 25, 2015 | Signed as free agent | Christian Cox | — | Toronto Blue Jays | Toronto Blue Jays signed free agent LHP Christian Cox to a minor league contract. |
| Aug 25, 2015 | Signed as free agent | Jose Gutierrez | — | Chicago Cubs | Chicago Cubs signed free agent OF Jose Gutierrez to a minor league contract. |
| Aug 25, 2015 | Signed as free agent | Henderson Perez | — | Chicago Cubs | Chicago Cubs signed free agent C Henderson Perez to a minor league contract. |
| Aug 25, 2015 | Signed as free agent | Cristian Gomez | — | Los Angeles Angels | Los Angeles Angels signed free agent OF Cristian Gomez to a minor league contract. |
| Aug 25, 2015 | Signed as free agent | Eguy Rosario | — | San Diego Padres | San Diego Padres signed free agent SS Eguy Rosario to a minor league contract. |
| Aug 24, 2015 | Released | Gerald Laird | — | Arizona Diamondbacks | Arizona Diamondbacks released C Gerald Laird. |
| Aug 24, 2015 | Signed as free agent | Drew Stubbs | — | Texas Rangers | Texas Rangers signed free agent CF Drew Stubbs to a minor league contract. |
| Aug 24, 2015 | Signed as free agent | Quintin Berry | — | Chicago Cubs | Chicago Cubs signed free agent LF Quintin Berry to a minor league contract. |
| Aug 24, 2015 | Signed as free agent | Fernando Ayala | — | Baltimore Orioles | Baltimore Orioles signed free agent C Fernando Ayala to a minor league contract. |
| Aug 24, 2015 | Signed as free agent | Frank Gonzalez | — | Baltimore Orioles | Baltimore Orioles signed free agent SS Frank Gonzalez to a minor league contract. |
| Aug 24, 2015 | Signed as free agent | Carlos Mendez | — | Baltimore Orioles | Baltimore Orioles signed free agent C Carlos Mendez to a minor league contract. |
| Aug 23, 2015 | Released | Adam Rosales | — | Texas Rangers | Texas Rangers released 2B Adam Rosales. |
| Aug 23, 2015 | Signed as free agent | Aramis Ademan | — | Chicago Cubs | Chicago Cubs signed free agent SS Aramis Ademan to a minor league contract. |
| Aug 23, 2015 | Signed as free agent | Luis Diaz | — | Chicago Cubs | Chicago Cubs signed free agent SS Luis Diaz to a minor league contract. |
| Aug 23, 2015 | Signed as free agent | Brailyn Marquez | — | Chicago Cubs | Chicago Cubs signed free agent LHP Brailyn Marquez to a minor league contract. |
| Aug 23, 2015 | Signed as free agent | Hector Matos | — | Chicago Cubs | Chicago Cubs signed free agent RHP Hector Matos to a minor league contract. |
| Aug 23, 2015 | Signed as free agent | Christopher Morel | — | Chicago Cubs | Chicago Cubs signed free agent SS Christopher Morel to a minor league contract. |
| Aug 23, 2015 | Signed as free agent | Yunior Perez | — | Chicago Cubs | Chicago Cubs signed free agent RHP Yunior Perez to a minor league contract. |
| Aug 23, 2015 | Signed as free agent | Jonathan Sierra | — | Chicago Cubs | Chicago Cubs signed free agent OF Jonathan Sierra to a minor league contract. |
| Aug 22, 2015 | Released | Marc Krauss | — | Detroit Tigers | Detroit Tigers released 1B Marc Krauss. |
| Aug 22, 2015 | Signed as free agent | Chuck Weaver | — | Miami Marlins | Miami Marlins signed free agent RHP Chuck Weaver to a minor league contract. |
| Aug 22, 2015 | Trade | Eric Young Jr. | Atlanta Braves | New York Mets | Atlanta Braves traded LF Eric Young Jr. to New York Mets for cash. |
| Aug 22, 2015 | Signed as free agent | Scott Sizemore | — | Washington Nationals | Washington Nationals signed free agent 3B Scott Sizemore to a minor league contract. |
| Aug 22, 2015 | Signed as free agent | Eduar Quinonez | — | Miami Marlins | Miami Marlins signed free agent RHP Eduar Quinonez to a minor league contract. |
| Aug 21, 2015 | Trade | Jon Edwards | Texas Rangers | San Diego Padres | Texas Rangers traded RHP Jon Edwards to San Diego Padres. |
| Aug 21, 2015 | Trade | Michael Choice | Texas Rangers | Cleveland Guardians | Texas Rangers traded RF Michael Choice to Cleveland Indians for cash. |
| Aug 21, 2015 | Trade | Neal Cotts | Milwaukee Brewers | Minnesota Twins | Milwaukee Brewers traded Neal Cotts to Minnesota Twins for Player To Be Named Later. |
| Aug 21, 2015 | Signed as free agent | Juan Perez | — | Boston Red Sox | Boston Red Sox signed free agent RHP Juan Perez to a minor league contract. |
| Aug 21, 2015 | Signed as free agent | Joel Peguero | — | Tampa Bay Rays | Tampa Bay Rays signed free agent RHP Joel Peguero to a minor league contract. |
| Aug 20, 2015 | Signed as free agent | Ryan Gebhardt | — | Atlanta Braves | Atlanta Braves signed free agent LF Ryan Gebhardt to a minor league contract. |
| Aug 20, 2015 | Trade | Stephen Johnson | San Francisco Giants | Cincinnati Reds | Cincinnati Reds traded LF Marlon Byrd and cash to San Francisco Giants for RHP Stephen Johnson. |
| Aug 20, 2015 | Signed as free agent | Travis Snider | — | Pittsburgh Pirates | Pittsburgh Pirates signed free agent RF Travis Snider to a minor league contract. |
| Aug 20, 2015 | Trade | Randy Wolf | Toronto Blue Jays | Detroit Tigers | Toronto Blue Jays traded LHP Randy Wolf to Detroit Tigers for cash. |
| Aug 20, 2015 | Released | Garrett Jones | — | New York Yankees | New York Yankees released RF Garrett Jones. |
| Aug 20, 2015 | Released | Drew Stubbs | — | Colorado Rockies | Colorado Rockies released CF Drew Stubbs. |
| Aug 20, 2015 | Signed as free agent | Danny Brown | — | Miami Marlins | Miami Marlins signed free agent RHP Danny Brown to a minor league contract. |
| Aug 20, 2015 | Signed as free agent | Hector Yan | — | Los Angeles Angels | Los Angeles Angels signed free agent LHP Hector Yan to a minor league contract. |
| Aug 19, 2015 | Released | Justin Masterson | — | Boston Red Sox | Boston Red Sox released RHP Justin Masterson. |
| Aug 19, 2015 | Signed as free agent | Mike Belfiore | — | Baltimore Orioles | Baltimore Orioles signed free agent LHP Mike Belfiore to a minor league contract. |
| Aug 19, 2015 | Released | César Puello | — | New York Mets | New York Mets released RF Cesar Puello. |
| Aug 19, 2015 | Signed as free agent | Lendy Castillo | — | Toronto Blue Jays | Toronto Blue Jays signed free agent RHP Lendy Castillo to a minor league contract. |
| Aug 19, 2015 | Trade | Darnell Sweeney | Los Angeles Dodgers | Philadelphia Phillies | Philadelphia Phillies traded 2B Chase Utley and cash to Los Angeles Dodgers for RHP John Richy and 2B Darnell Sweeney. |
| Aug 19, 2015 | Signed as free agent | Raul Jacobson | — | New York Mets | New York Mets signed free agent RHP Raul Jacobson to a minor league contract. |
| Aug 19, 2015 | Signed as free agent | Chad Smith | — | Texas Rangers | Texas Rangers signed free agent RHP Chad Smith to a minor league contract. |
| Aug 19, 2015 | Signed as free agent | Matthew Chavez | — | San Diego Padres | San Diego Padres signed free agent C Matthew Chavez to a minor league contract. |
| Aug 19, 2015 | Signed as free agent | George Soriano | — | Miami Marlins | Miami Marlins signed free agent RHP George Soriano to a minor league contract. |
| Aug 19, 2015 | Signed as free agent | Luis Wilmore | — | Miami Marlins | Miami Marlins signed free agent RHP Luis Wilmore to a minor league contract. |
| Aug 18, 2015 | Signed as free agent | Ryne Frankoff | — | Philadelphia Phillies | Philadelphia Phillies signed free agent LHP Tyler Frankoff to a minor league contract. |
| Aug 18, 2015 | Signed as free agent | Derek Blacksher | — | Toronto Blue Jays | Toronto Blue Jays signed free agent RHP Derek Blacksher to a minor league contract. |
| Aug 18, 2015 | Released | Emilio Bonifácio | — | Chicago White Sox | Chicago White Sox released 2B Emilio Bonifacio. |
| Aug 18, 2015 | Signed as free agent | Trevor Cahill | — | Chicago Cubs | Chicago Cubs signed free agent RHP Trevor Cahill to a minor league contract. |
| Aug 18, 2015 | Trade | Marcus Greene Jr. | Texas Rangers | San Diego Padres | San Diego Padres traded CF Will Venable to Texas Rangers for C Marcus Greene Jr. and Player To Be Named Later. |
| Aug 18, 2015 | Signed as free agent | Jorge De Leon | — | Miami Marlins | Miami Marlins signed free agent RHP Jorge De Leon to a minor league contract. |
| Aug 18, 2015 | Signed as free agent | Jose Valenzuela | — | Cincinnati Reds | Cincinnati Reds signed free agent RHP Jose Valenzuela to a minor league contract. |
| Aug 17, 2015 | Signed as free agent | Sergio Armas | — | Arizona Diamondbacks | Arizona Diamondbacks signed free agent LHP Sergio Armas to a minor league contract. |
| Aug 17, 2015 | Signed as free agent | Jhairon Leal | — | Arizona Diamondbacks | Arizona Diamondbacks signed free agent LHP Jhairon Leal to a minor league contract. |
| Aug 17, 2015 | Signed as free agent | Junior Figueroa | — | Boston Red Sox | Boston Red Sox signed free agent RHP Junior Figueroa to a minor league contract. |
| Aug 17, 2015 | Signed as free agent | Jonathan Guzmán | — | Philadelphia Phillies | Philadelphia Phillies signed free agent SS Jonathan Guzman to a minor league contract. |
| Aug 17, 2015 | Signed as free agent | Jose Del Palacio | — | Tampa Bay Rays | Tampa Bay Rays signed free agent OF Jose Del Palacio to a minor league contract. |
| Aug 17, 2015 | Signed as free agent | Victor Cervantes | — | Tampa Bay Rays | Tampa Bay Rays signed free agent OF Victor Cervantes to a minor league contract. |
| Aug 16, 2015 | Signed as free agent | Frank Herrmann | — | Pittsburgh Pirates | Pittsburgh Pirates signed free agent RHP Frank Herrmann to a minor league contract. |
| Aug 16, 2015 | Signed as free agent | Wandy Rodriguez | — | Kansas City Royals | Kansas City Royals signed free agent LHP Wandy Rodriguez to a minor league contract. |
| Aug 16, 2015 | Signed as free agent | Joba Chamberlain | — | Kansas City Royals | Kansas City Royals signed free agent RHP Joba Chamberlain to a minor league contract. |
| Aug 15, 2015 | Released | Travis Snider | — | Baltimore Orioles | Baltimore Orioles released LF Travis Snider. |
| Aug 15, 2015 | Signed as free agent | Ronny Dominguez | — | Cleveland Guardians | Cleveland Indians signed free agent OF Ronny Dominguez to a minor league contract. |
| Aug 15, 2015 | Signed as free agent | Franklin Mateo | — | Cleveland Guardians | Cleveland Indians signed free agent OF Franklin Mateo to a minor league contract. |
| Aug 15, 2015 | Signed as free agent | Miguel Roman | — | San Diego Padres | San Diego Padres signed free agent RHP Miguel Roman to a minor league contract. |
| Aug 14, 2015 | Signed as free agent | Edwin Jackson | — | Atlanta Braves | Atlanta Braves signed free agent RHP Edwin Jackson. |
| Aug 14, 2015 | Signed as free agent | Brenden Webb | — | Washington Nationals | Washington Nationals signed free agent OF Brenden Webb to a minor league contract. |
| Aug 14, 2015 | Signed as free agent | Rich Hill | — | Boston Red Sox | Boston Red Sox signed free agent LHP Rich Hill to a minor league contract. |
| Aug 14, 2015 | Signed as free agent | Chris Marrero | — | Boston Red Sox | Boston Red Sox signed free agent OF Chris Marrero to a minor league contract. |
| Aug 13, 2015 | Signed | Chris Heisey | — | Toronto Blue Jays | Toronto Blue Jays signed LF Chris Heisey. |
| Aug 13, 2015 | Signed as free agent | Matt Bywater | — | Atlanta Braves | Atlanta Braves signed free agent LHP Matt Bywater to a minor league contract. |
| Aug 13, 2015 | Signed as free agent | Richard Cespedes | — | Colorado Rockies | Colorado Rockies signed free agent RHP Richard Cespedes to a minor league contract. |
| Aug 12, 2015 | Signed as free agent | Carlos Borrego | — | Atlanta Braves | Atlanta Braves signed free agent OF Carlos Borrego to a minor league contract. |
| Aug 12, 2015 | Signed as free agent | Brian Figueroa | — | Atlanta Braves | Atlanta Braves signed free agent C Brian Figueroa to a minor league contract. |
| Aug 12, 2015 | Signed as free agent | Willians Vasquez | — | Atlanta Braves | Atlanta Braves signed free agent RHP Willians Vasquez to a minor league contract. |
| Aug 12, 2015 | Signed as free agent | Yerelmy Garcia | — | Kansas City Royals | Kansas City Royals signed free agent RHP Yerelmy Garcia to a minor league contract. |
| Aug 11, 2015 | Signed as free agent | Juan Gutierrez | — | Washington Nationals | Washington Nationals signed free agent RHP Juan Gutierrez to a minor league contract. |
| Aug 11, 2015 | Signed as free agent | Robert Coello | — | Texas Rangers | Texas Rangers signed free agent RHP Robert Coello to a minor league contract. |
| Aug 11, 2015 | Signed as free agent | Bud Norris | — | San Diego Padres | San Diego Padres signed free agent RHP Bud Norris. |
| Aug 11, 2015 | Trade | Matt Buschmann | Cincinnati Reds | Baltimore Orioles | Cincinnati Reds traded RHP Matt Buschmann to Baltimore Orioles for cash. |
| Aug 11, 2015 | Signed as free agent | Jonathan Willems | — | Cincinnati Reds | Cincinnati Reds signed free agent IF Jonathan Willems to a minor league contract. |
| Aug 11, 2015 | Signed as free agent | Jojanse Torres | — | Milwaukee Brewers | Milwaukee Brewers signed free agent RHP Jojanse Torres to a minor league contract. |
| Aug 10, 2015 | Trade | Tyler Pastornicky | Texas Rangers | Philadelphia Phillies | Texas Rangers traded 2B Tyler Pastornicky to Philadelphia Phillies for cash. |
| Aug 10, 2015 | Signed as free agent | Jhonatan Munoz | — | New York Yankees | New York Yankees signed free agent RHP Jhonatan Munoz to a minor league contract. |
| Aug 10, 2015 | Signed as free agent | Reilys Blanco | — | Atlanta Braves | Atlanta Braves signed free agent SS Reilys Blanco to a minor league contract. |
| Aug 10, 2015 | Signed as free agent | Roberto Alvarez | — | Tampa Bay Rays | Tampa Bay Rays signed free agent C Roberto Alvarez to a minor league contract. |
| Aug 10, 2015 | Signed as free agent | Adrian De Los Santos | — | Tampa Bay Rays | Tampa Bay Rays signed free agent LHP Adrian De Los Santos to a minor league contract. |
| Aug 10, 2015 | Signed as free agent | Ronal Hernandez | — | Tampa Bay Rays | Tampa Bay Rays signed free agent RHP Ronal Hernandez to a minor league contract. |
| Aug 10, 2015 | Signed as free agent | Wanderson Linares | — | Tampa Bay Rays | Tampa Bay Rays signed free agent RHP Wanderson Linares to a minor league contract. |
| Aug 10, 2015 | Signed as free agent | Edward Lopez | — | Tampa Bay Rays | Tampa Bay Rays signed free agent RHP Edward Lopez to a minor league contract. |
| Aug 10, 2015 | Signed as free agent | Joendri Madrigal | — | Tampa Bay Rays | Tampa Bay Rays signed free agent RHP Joendri Madrigal to a minor league contract. |
| Aug 10, 2015 | Signed as free agent | Tony Campana | — | Washington Nationals | Washington Nationals signed free agent CF Tony Campana to a minor league contract. |
| Aug 9, 2015 | Signed as free agent | Nick Additon | — | Baltimore Orioles | Baltimore Orioles signed free agent LHP Nick Additon to a minor league contract. |
| Aug 9, 2015 | Signed | Joe Thatcher | — | Houston Astros | Houston Astros signed LHP Joe Thatcher. |
| Aug 9, 2015 | Signed as free agent | Gillian Wernet | — | Baltimore Orioles | Baltimore Orioles signed free agent RHP Gillian Wernet to a minor league contract. |
| Aug 9, 2015 | Signed as free agent | Rafael Rincones | — | Boston Red Sox | Boston Red Sox signed free agent OF Rafael Rincones to a minor league contract. |
| Aug 8, 2015 | Trade | Oliver Pérez | Arizona Diamondbacks | Houston Astros | Arizona Diamondbacks traded LHP Oliver Perez to Houston Astros for LHP Junior Garcia. |
| Aug 8, 2015 | Trade | Dawel Lugo | Toronto Blue Jays | Arizona Diamondbacks | Arizona Diamondbacks traded SS Cliff Pennington and cash to Toronto Blue Jays for SS Dawel Lugo. |
| Aug 8, 2015 | Released | Bud Norris | — | Baltimore Orioles | Baltimore Orioles released RHP Bud Norris. |
| Aug 8, 2015 | Released | Roberto Hernandez | — | Houston Astros | Houston Astros released RHP Roberto Hernandez. |
| Aug 8, 2015 | Signed as free agent | David Sanchez | — | Arizona Diamondbacks | Arizona Diamondbacks signed free agent OF David Sanchez to a minor league contract. |
| Aug 7, 2015 | Signed as free agent | Nick Anderson | — | Minnesota Twins | Minnesota Twins signed free agent RHP Nick Anderson to a minor league contract. |
| Aug 7, 2015 | Signed as free agent | Omar Bencomo | — | Minnesota Twins | Minnesota Twins signed free agent RHP Omar Bencomo to a minor league contract. |
| Aug 7, 2015 | Signed as free agent | John Mayberry Jr. | — | Chicago White Sox | Chicago White Sox signed free agent LF John Mayberry Jr. to a minor league contract. |
| Aug 7, 2015 | Trade | Chris Johnson | Atlanta Braves | Cleveland Guardians | Atlanta Braves traded 3B Chris Johnson to Cleveland Indians for CF Michael Bourn, LF Nick Swisher and cash. |
| Aug 7, 2015 | Released | Chris Heisey | — | Los Angeles Dodgers | Los Angeles Dodgers released LF Chris Heisey. |
| Aug 7, 2015 | Signed as free agent | Ross Ohlendorf | — | Texas Rangers | Texas Rangers signed free agent RHP Ross Ohlendorf to a minor league contract. |
| Aug 7, 2015 | Trade | Dawrin Frias | New York Mets | Athletics | New York Mets traded RHP Dawrin Frias to Oakland Athletics. |
| Aug 7, 2015 | Trade | Mike Napoli | Boston Red Sox | Texas Rangers | Boston Red Sox traded 1B Mike Napoli and cash to Texas Rangers for Player To Be Named Later. |
| Aug 7, 2015 | Signed as free agent | Ryan Ortiz | — | Cleveland Guardians | Cleveland Indians signed free agent C Ryan Ortiz to a minor league contract. |
| Aug 7, 2015 | Signed as free agent | Cam Maron | — | Texas Rangers | Texas Rangers signed free agent C Cam Maron to a minor league contract. |
| Aug 7, 2015 | Signed as free agent | Kwang-Min Kwon | — | Chicago Cubs | Chicago Cubs signed free agent OF Kwang-Min Kwon to a minor league contract. |
| Aug 7, 2015 | Signed as free agent | Yoeli Lopez | — | Atlanta Braves | Atlanta Braves signed free agent OF Yoeli Lopez to a minor league contract. |
| Aug 6, 2015 | Signed as free agent | Nick Noonan | — | San Francisco Giants | San Francisco Giants signed free agent 2B Nick Noonan to a minor league contract. |
| Aug 6, 2015 | Signed as free agent | Dany Jiménez | — | Toronto Blue Jays | Toronto Blue Jays signed free agent RHP Dany Jimenez to a minor league contract. |
| Aug 5, 2015 | Signed as free agent | Tony Thomas | — | Chicago White Sox | Chicago White Sox signed free agent 2B Tony Thomas to a minor league contract. |
| Aug 5, 2015 | Released | Elmer Reyes | — | Atlanta Braves | Atlanta Braves released SS Elmer Reyes. |
| Aug 5, 2015 | Signed as free agent | Clayton Richard | — | Chicago Cubs | Chicago Cubs signed free agent LHP Clayton Richard. |
| Aug 5, 2015 | Signed as free agent | George Kottaras | — | Toronto Blue Jays | Toronto Blue Jays signed free agent C George Kottaras to a minor league contract. |
| Aug 5, 2015 | Signed as free agent | Seth Lintz | — | Texas Rangers | Texas Rangers signed free agent RHP Seth Lintz to a minor league contract. |
| Aug 5, 2015 | Signed as free agent | Dakota Watts | — | Texas Rangers | Texas Rangers signed free agent RHP Dakota Watts to a minor league contract. |
| Aug 5, 2015 | Signed as free agent | Erik Cordier | — | Miami Marlins | Miami Marlins signed free agent RHP Erik Cordier to a minor league contract. |
| Aug 5, 2015 | Signed as free agent | Joan De Jesus | — | Arizona Diamondbacks | Arizona Diamondbacks signed free agent LHP Joan De Jesus to a minor league contract. |
| Aug 5, 2015 | Signed as free agent | Jose Jose | — | Miami Marlins | Miami Marlins signed free agent LHP Jose Jose to a minor league contract. |
| Aug 5, 2015 | Signed as free agent | Jon Kennedy | — | Atlanta Braves | Atlanta Braves signed free agent LHP Jon Kennedy to a minor league contract. |
| Aug 5, 2015 | Signed as free agent | Gavin Pittore | — | Los Angeles Dodgers | Los Angeles Dodgers signed free agent RHP Gavin Pittore to a minor league contract. |
| Aug 5, 2015 | Signed as free agent | Saul Castellanos | — | Los Angeles Dodgers | Los Angeles Dodgers signed free agent RHP Saul Castellanos to a minor league contract. |
| Aug 5, 2015 | Signed as free agent | Jorge Gonzalez | — | Los Angeles Dodgers | Los Angeles Dodgers signed free agent LHP Jorge Gonzalez to a minor league contract. |
| Aug 5, 2015 | Signed as free agent | Andres Ayon | — | Los Angeles Dodgers | Los Angeles Dodgers signed free agent LF Andres Ayon to a minor league contract. |
| Aug 5, 2015 | Signed as free agent | Raymar Navarro | — | Atlanta Braves | Atlanta Braves signed free agent RHP Raymar Navarro to a minor league contract. |
| Aug 4, 2015 | Signed as free agent | Andrew Robinson | — | Baltimore Orioles | Baltimore Orioles signed free agent RHP Andrew Robinson to a minor league contract. |
| Aug 4, 2015 | Trade | Gustavo Pierre | Philadelphia Phillies | Toronto Blue Jays | Philadelphia Phillies traded 3B Gustavo Pierre to Toronto Blue Jays. |
| Aug 4, 2015 | Released | Wandy Rodriguez | — | Texas Rangers | Texas Rangers released LHP Wandy Rodriguez. |
| Aug 4, 2015 | Released | Josh Outman | — | Atlanta Braves | Atlanta Braves released LHP Josh Outman. |
| Aug 4, 2015 | Trade | Eric O'Flaherty | Athletics | New York Mets | Oakland Athletics traded Eric O'Flaherty and cash to New York Mets for Player To Be Named Later. |
| Aug 4, 2015 | Released | Clayton Richard | — | Chicago Cubs | Chicago Cubs released LHP Clayton Richard. |
| Aug 4, 2015 | Signed as free agent | Chris Mazza | — | Miami Marlins | Miami Marlins signed free agent RHP Chris Mazza to a minor league contract. |
| Aug 4, 2015 | Signed as free agent | Kevin Bradley | — | Cleveland Guardians | Cleveland Indians signed free agent SS Kevin Bradley to a minor league contract. |
| Aug 3, 2015 | Signed as free agent | Austin Glorius | — | Boston Red Sox | Boston Red Sox signed free agent RHP Austin Glorius to a minor league contract. |
| Aug 3, 2015 | Signed as free agent | Robert Llera | — | Miami Marlins | Miami Marlins signed free agent C Robert Llera to a minor league contract. |
| Aug 3, 2015 | Signed as free agent | Adam Quintana | — | Texas Rangers | Texas Rangers signed free agent RHP Adam Quintana to a minor league contract. |
| Aug 3, 2015 | Signed as free agent | Orlando Pascual | — | Toronto Blue Jays | Toronto Blue Jays signed free agent RHP Orlando Pascual to a minor league contract. |
| Aug 3, 2015 | Signed as free agent | Francis Ventura | — | St. Louis Cardinals | St. Louis Cardinals signed free agent RHP Francis Ventura to a minor league contract. |
| Aug 2, 2015 | Signed as free agent | Sean Bierman | — | Baltimore Orioles | Baltimore Orioles signed free agent LHP Sean Bierman to a minor league contract. |
| Aug 2, 2015 | Signed as free agent | Dallas Gallant | — | Texas Rangers | Texas Rangers signed free agent RHP Dallas Gallant to a minor league contract. |
| Aug 2, 2015 | Signed as free agent | Zach Welz | — | Los Angeles Angels | Los Angeles Angels signed free agent OF Zach Welz to a minor league contract. |
| Aug 2, 2015 | Signed as free agent | Brett Shankin | — | Arizona Diamondbacks | Arizona Diamondbacks signed free agent RHP Brett Shankin to a minor league contract. |
| Aug 2, 2015 | Signed as free agent | Luis Mendoza | — | Toronto Blue Jays | Toronto Blue Jays signed free agent RHP Luis Mendoza to a minor league contract. |
| Aug 1, 2015 | Signed as free agent | Chris Smith | — | Toronto Blue Jays | Toronto Blue Jays signed free agent RHP Chris Smith to a minor league contract. |
| Aug 1, 2015 | Signed as free agent | Dayan Viciedo | — | Chicago White Sox | Chicago White Sox signed free agent RF Dayan Viciedo to a minor league contract. |
| Aug 1, 2015 | Signed as free agent | Tim Stauffer | — | New York Mets | New York Mets signed free agent RHP Tim Stauffer to a minor league contract. |
| Aug 1, 2015 | Signed | Ronald Concepcion | — | Toronto Blue Jays | Toronto Blue Jays signed SS Ronald Concepcion. |
| Aug 1, 2015 | Signed as free agent | Paul Clemens | — | Kansas City Royals | Kansas City Royals signed free agent RHP Paul Clemens to a minor league contract. |
| Aug 1, 2015 | Signed as free agent | Garrett Harrison | — | Los Angeles Dodgers | Los Angeles Dodgers signed free agent LHP Garrett Harrison to a minor league contract. |
| Aug 1, 2015 | Signed as free agent | Ciriaco Javier | — | Atlanta Braves | Atlanta Braves signed free agent RHP Ciriaco Javier to a minor league contract. |
| Jul 31, 2015 | Trade | Jake Thompson | Texas Rangers | Philadelphia Phillies | Philadelphia Phillies traded LHP Cole Hamels, LHP Jake Diekman and cash to Texas Rangers for Matt Harrison, C Jorge Alfaro, RHP Jerad Eickhoff, OF Nick Williams, RHP Alec Asher and RHP Jake Thompson. |
| Jul 31, 2015 | Trade | Jonathan Broxton | Milwaukee Brewers | St. Louis Cardinals | Milwaukee Brewers traded RHP Jonathan Broxton and cash to St. Louis Cardinals for LF Malik Collymore. |
| Jul 31, 2015 | Trade | Zach Davies | Baltimore Orioles | Milwaukee Brewers | Milwaukee Brewers traded LF Gerardo Parra to Baltimore Orioles for RHP Zach Davies. |
| Jul 31, 2015 | Released | Ross Ohlendorf | — | Texas Rangers | Texas Rangers released RHP Ross Ohlendorf. |
| Jul 31, 2015 | Trade | Nick Wells | Toronto Blue Jays | Seattle Mariners | Seattle Mariners traded RHP Mark Lowe to Toronto Blue Jays for LHP Rob Rasmussen, LHP Jake Brentz and LHP Nick Wells. |
| Jul 31, 2015 | Trade | Alexis Tapia | Minnesota Twins | Tampa Bay Rays | Tampa Bay Rays traded RHP Kevin Jepsen to Minnesota Twins for RHP Chih-Wei Hu and RHP Alexis Tapia. |
| Jul 31, 2015 | Released | Jeff Baker | — | Miami Marlins | Miami Marlins released 1B Jeff Baker. |
| Jul 31, 2015 | Released | Esmil Rogers | — | New York Yankees | New York Yankees released RHP Esmil Rogers. |
| Jul 31, 2015 | Trade | Félix Doubront | Toronto Blue Jays | Athletics | Toronto Blue Jays traded LHP Felix Doubront to Oakland Athletics for cash. |
| Jul 31, 2015 | Trade | Alberto Tirado | Toronto Blue Jays | Philadelphia Phillies | Philadelphia Phillies traded LF Ben Revere and cash to Toronto Blue Jays for RHP Jimmy Cordero and RHP Alberto Tirado. |
| Jul 31, 2015 | Trade | Elliot Soto | Chicago Cubs | Miami Marlins | Miami Marlins traded RHP Dan Haren and cash to Chicago Cubs for RHP Ivan Pineyro and SS Elliot Soto. |
| Jul 31, 2015 | Trade | J.A. Happ | Seattle Mariners | Pittsburgh Pirates | Seattle Mariners traded LHP J.A. Happ to Pittsburgh Pirates for RHP Adrian Sampson. |
| Jul 31, 2015 | Trade | Junior Lake | Chicago Cubs | Baltimore Orioles | Baltimore Orioles traded RHP Tommy Hunter to Chicago Cubs for RF Junior Lake. |
| Jul 31, 2015 | Trade | Cody Ege | Texas Rangers | Miami Marlins | Miami Marlins traded RHP Sam Dyson to Texas Rangers for C Tomas Telis and LHP Cody Ege. |
| Jul 31, 2015 | Trade | Yoenis Cespedes | Detroit Tigers | New York Mets | Detroit Tigers traded LF Yoenis Cespedes to New York Mets for RHP Luis Cessa and RHP Michael Fulmer. |
| Jul 31, 2015 | Trade | Abraham Almonte | San Diego Padres | Cleveland Guardians | San Diego Padres traded CF Abraham Almonte to Cleveland Indians for LHP Marc Rzepczynski. |
| Jul 31, 2015 | Trade | Ryan Cook | Athletics | Boston Red Sox | Oakland Athletics traded RHP Ryan Cook to Boston Red Sox for Player To Be Named Later. |
| Jul 31, 2015 | Signed as free agent | Phil Irwin | — | Texas Rangers | Texas Rangers signed free agent RHP Phil Irwin to a minor league contract. |
| Jul 31, 2015 | Trade | Jose Tabata | Pittsburgh Pirates | Los Angeles Dodgers | Los Angeles Dodgers traded 1B Michael Morse and cash to Pittsburgh Pirates for RF Jose Tabata. |
| Jul 31, 2015 | Signed as free agent | Marcelo Hernandez | — | Athletics | Oakland Athletics signed free agent P Marcelo Hernandez to a minor league contract. |
| Jul 31, 2015 | Signed as free agent | Isaac Paredes | — | Chicago Cubs | Chicago Cubs signed free agent OF Isaac Paredes to a minor league contract. |
| Jul 30, 2015 | Trade | Brandon Moss | Cleveland Guardians | St. Louis Cardinals | Cleveland Indians traded 1B Brandon Moss to St. Louis Cardinals for LHP Rob Kaminsky. |
| Jul 30, 2015 | Signed as free agent | Brent Morel | — | Athletics | Oakland Athletics signed free agent 3B Brent Morel to a minor league contract. |
| Jul 30, 2015 | Trade | Matthew Boyd | Toronto Blue Jays | Detroit Tigers | Detroit Tigers traded LHP David Price to Toronto Blue Jays for LHP Matt Boyd, LHP Daniel Norris and LHP Jairo Labourt. |
| Jul 30, 2015 | Trade | Mat Latos | Miami Marlins | Los Angeles Dodgers | Miami Marlins traded RHP Mat Latos, Michael Morse and cash to Los Angeles Dodgers for RHP Victor Araujo, RHP Jeff Brigham and RHP Kevin Guzman. |
| Jul 30, 2015 | Trade | Dustin Ackley | Seattle Mariners | New York Yankees | Seattle Mariners traded LF Dustin Ackley to New York Yankees for RHP Jose Ramirez and LF Ramon Flores. |
| Jul 30, 2015 | Trade | Héctor Olivera | Los Angeles Dodgers | Atlanta Braves | Atlanta Braves traded LHP Alex Wood, RHP Jim Johnson, LHP Luis Avilan, 2B Jose Peraza, RHP Bronson Arroyo and cash to Los Angeles Dodgers for 2B Hector Olivera, LHP Paco Rodriguez and RHP Zack Bird. |
| Jul 30, 2015 | Trade | Justin Sellers | Pittsburgh Pirates | Chicago White Sox | Pittsburgh Pirates traded SS Justin Sellers to Chicago White Sox. |
| Jul 30, 2015 | Trade | JaCoby Jones | Pittsburgh Pirates | Detroit Tigers | Detroit Tigers traded RHP Joakim Soria to Pittsburgh Pirates for SS JaCoby Jones. |
| Jul 30, 2015 | Trade | Brett Phillips | Houston Astros | Milwaukee Brewers | Milwaukee Brewers traded CF Carlos Gomez, RHP Mike Fiers and Other Considerations to Houston Astros for RHP Adrian Houser, OF Brett Phillips, RF Domingo Santana and LHP Josh Hader. |
| Jul 30, 2015 | Signed as free agent | Wesley Wright | — | Los Angeles Angels | Los Angeles Angels signed free agent LHP Wesley Wright to a minor league contract. |
| Jul 30, 2015 | Released | John Mayberry Jr. | — | New York Mets | New York Mets released LF John Mayberry Jr.. |
| Jul 30, 2015 | Trade | Adam Duvall | San Francisco Giants | Cincinnati Reds | Cincinnati Reds traded RHP Mike Leake to San Francisco Giants for 1B Adam Duvall and RHP Keury Mella. |
| Jul 30, 2015 | Signed as free agent | Faustino Carrera | — | Chicago Cubs | Chicago Cubs signed free agent LHP Faustino Carrera to a minor league contract. |
| Jul 30, 2015 | Signed as free agent | Andres Sotillet | — | Kansas City Royals | Kansas City Royals signed free agent RHP Andres Sotillet to a minor league contract. |
| Jul 29, 2015 | Trade | Jayson Aquino | Pittsburgh Pirates | Cleveland Guardians | Pittsburgh Pirates traded LHP Jayson Aquino to Cleveland Indians for cash. |
| Jul 29, 2015 | Trade | Joe Blanton | Kansas City Royals | Pittsburgh Pirates | Kansas City Royals traded RHP Joe Blanton to Pittsburgh Pirates for cash. |
| Jul 29, 2015 | Signed as free agent | Loek Van Mil | — | Minnesota Twins | Minnesota Twins signed free agent RHP Loek Van Mil to a minor league contract. |
| Jul 29, 2015 | Signed as free agent | Ruben Reyes | — | Chicago Cubs | Chicago Cubs signed free agent OF Ruben Reyes to a minor league contract. |
| Jul 28, 2015 | Trade | Troy Tulowitzki | Colorado Rockies | Toronto Blue Jays | Colorado Rockies traded SS Troy Tulowitzki and LaTroy Hawkins to Toronto Blue Jays for Jose Reyes, RHP Miguel Castro, RHP Jeff Hoffman and RHP Jesus Tinoco. |
| Jul 28, 2015 | Signed as free agent | Phillippe Aumont | — | Toronto Blue Jays | Toronto Blue Jays signed free agent RHP Phillippe Aumont to a minor league contract. |
| Jul 28, 2015 | Trade | Ben Zobrist | Athletics | Kansas City Royals | Oakland Athletics traded Ben Zobrist and cash to Kansas City Royals for RHP Aaron Brooks and LHP Sean Manaea. |
| Jul 28, 2015 | Signed as free agent | Luis Mateo | — | Atlanta Braves | Atlanta Braves signed free agent SS Luis Mateo to a minor league contract. |
| Jul 28, 2015 | Signed as free agent | Vince Belnome | — | New York Mets | New York Mets signed free agent 1B Vince Belnome to a minor league contract. |
| Jul 28, 2015 | Trade | Eduar Lopez | Los Angeles Angels | Tampa Bay Rays | Tampa Bay Rays traded LF David DeJesus to Los Angeles Angels for RHP Eduar Lopez. |
| Jul 28, 2015 | Trade | Jonathan Papelbon | Philadelphia Phillies | Washington Nationals | Philadelphia Phillies traded RHP Jonathan Papelbon and cash to Washington Nationals for RHP Nick Pivetta. |
| Jul 28, 2015 | Trade | Eric Stamets | Los Angeles Angels | Cleveland Guardians | Cleveland Indians traded LF David Murphy to Los Angeles Angels for SS Eric Stamets. |
| Jul 28, 2015 | Released | Joe Thatcher | — | Houston Astros | Houston Astros released LHP Joe Thatcher. |
| Jul 28, 2015 | Signed as free agent | Christian Cavaness | — | Minnesota Twins | Minnesota Twins signed free agent OF Christian Cavaness to a minor league contract. |
| Jul 28, 2015 | Signed as free agent | Abraham Rodriguez | — | Chicago Cubs | Chicago Cubs signed free agent OF Abraham Rodriguez to a minor league contract. |
| Jul 28, 2015 | Signed as free agent | Miguel Ramirez | — | New York Mets | New York Mets signed free agent RHP Miguel Ramirez to a minor league contract. |
| Jul 27, 2015 | Signed as free agent | Jordan Lennerton | — | Atlanta Braves | Atlanta Braves signed free agent 1B Jordan Lennerton to a minor league contract. |
| Jul 27, 2015 | Signed as free agent | Ryan Buchter | — | Chicago Cubs | Chicago Cubs signed free agent LHP Ryan Buchter to a minor league contract. |
| Jul 27, 2015 | Trade | Josh Rutledge | Los Angeles Angels | Boston Red Sox | Boston Red Sox traded LF Shane Victorino and cash to Los Angeles Angels for 2B Josh Rutledge. |
| Jul 27, 2015 | Trade | Tyler Clippard | Athletics | New York Mets | Oakland Athletics traded RHP Tyler Clippard and cash to New York Mets for RHP Casey Meisner. |
| Jul 27, 2015 | Released | Edwin Jackson | — | Chicago Cubs | Chicago Cubs released RHP Edwin Jackson. |
| Jul 27, 2015 | Signed as free agent | Javier Assad | — | Chicago Cubs | Chicago Cubs signed free agent RHP Javier Assad to a minor league contract. |
| Jul 27, 2015 | Signed as free agent | Kevin Zamudio | — | Chicago Cubs | Chicago Cubs signed free agent C Kevin Zamudio to a minor league contract. |
| Jul 26, 2015 | Trade | Johnny Cueto | Cincinnati Reds | Kansas City Royals | Cincinnati Reds traded RHP Johnny Cueto and cash to Kansas City Royals for LHP Brandon Finnegan, LHP Cody Reed and LHP John Lamb. |
| Jul 26, 2015 | Signed as free agent | Ronaldo Urdaneta | — | Houston Astros | Houston Astros signed free agent 2B Ronaldo Urdaneta to a minor league contract. |
| Jul 26, 2015 | Signed as free agent | Jay Feliciano | — | Milwaukee Brewers | Milwaukee Brewers signed free agent OF Jay Feliciano to a minor league contract. |
| Jul 25, 2015 | Signed as free agent | Michael Bowden | — | Minnesota Twins | Minnesota Twins signed free agent RHP Michael Bowden to a minor league contract. |
| Jul 25, 2015 | Signed as free agent | Clayton Cook | — | Atlanta Braves | Atlanta Braves signed free agent RHP Clayton Cook to a minor league contract. |
| Jul 25, 2015 | Signed as free agent | Rudy Owens | — | Colorado Rockies | Colorado Rockies signed free agent LHP Rudy Owens to a minor league contract. |
| Jul 25, 2015 | Signed as free agent | Xavier Avery | — | Minnesota Twins | Minnesota Twins signed free agent LF Xavier Avery to a minor league contract. |
| Jul 25, 2015 | Signed as free agent | Freddy Fermin | — | Kansas City Royals | Kansas City Royals signed free agent C Freddy Fermin to a minor league contract. |
| Jul 25, 2015 | Signed as free agent | Jose Albertos | — | Chicago Cubs | Chicago Cubs signed free agent RHP Jose Albertos to a minor league contract. |
| Jul 25, 2015 | Signed as free agent | Ismael Munguia | — | San Francisco Giants | San Francisco Giants signed free agent CF Ismael Munguia to a minor league contract. |
| Jul 25, 2015 | Signed as free agent | Adonis Reyes | — | Detroit Tigers | Detroit Tigers signed free agent RHP Adonis Reyes to a minor league contract. |
| Jul 25, 2015 | Signed as free agent | Eury Jimenez | — | Cincinnati Reds | Cincinnati Reds signed free agent RHP Eury Jimenez to a minor league contract. |
| Jul 25, 2015 | Signed as free agent | Gabriel Alvarez | — | Cincinnati Reds | Cincinnati Reds signed free agent OF Gabriel Alvarez to a minor league contract. |
| Jul 24, 2015 | Signed as free agent | Brandon Koch | — | Miami Marlins | Miami Marlins signed free agent RHP Brandon Koch to a minor league contract. |
| Jul 24, 2015 | Trade | Conor Gillaspie | Chicago White Sox | Los Angeles Angels | Chicago White Sox traded 3B Conor Gillaspie to Los Angeles Angels for cash. |
| Jul 24, 2015 | Trade | Kyle Barraclough | St. Louis Cardinals | Miami Marlins | Miami Marlins traded RHP Steve Cishek to St. Louis Cardinals for Kyle Barraclough. |
| Jul 24, 2015 | Signed as free agent | Steve Borkowski | — | Atlanta Braves | Atlanta Braves signed free agent RHP Steve Borkowski to a minor league contract. |
| Jul 24, 2015 | Trade | John Gant | New York Mets | Atlanta Braves | New York Mets traded RHP John Gant and RHP Rob Whalen to Atlanta Braves for 3B Juan Uribe, LF Kelly Johnson and cash. |
| Jul 24, 2015 | Signed as free agent | Tucker Simpson | — | Miami Marlins | Miami Marlins signed free agent RHP Tucker Simpson to a minor league contract. |
| Jul 24, 2015 | Signed as free agent | Monte' Reese | — | Atlanta Braves | Atlanta Braves signed free agent RHP Monte' Reese to a minor league contract. |
| Jul 24, 2015 | Signed as free agent | Andres Regnault | — | New York Mets | New York Mets signed free agent C Andres Regnault to a minor league contract. |
| Jul 23, 2015 | Trade | Daniel Mengden | Houston Astros | Athletics | Oakland Athletics traded LHP Scott Kazmir to Houston Astros for RHP Daniel Mengden and C Jacob Nottingham. |
| Jul 23, 2015 | Signed as free agent | Juancito De la Cruz | — | Detroit Tigers | Detroit Tigers signed free agent RHP Juancito De la Cruz to a minor league contract. |
| Jul 23, 2015 | Trade | Aramis Ramirez | Milwaukee Brewers | Pittsburgh Pirates | Milwaukee Brewers traded 3B Aramis Ramirez and cash to Pittsburgh Pirates for RHP Yhonathan Barrios. |
| Jul 23, 2015 | Signed as free agent | Edinson Valdez | — | New York Mets | New York Mets signed free agent OF Edinson Valdez to a minor league contract. |
| Jul 22, 2015 | Signed as free agent | Eury Rodriguez | — | Texas Rangers | Texas Rangers signed free agent RHP Eury Rodriguez to a minor league contract. |
| Jul 22, 2015 | Signed as free agent | Angelo Serrano | — | Houston Astros | Houston Astros signed free agent P Angelo Serrano to a minor league contract. |
| Jul 22, 2015 | Signed as free agent | Nichel Alcantara | — | Baltimore Orioles | Baltimore Orioles signed free agent RHP Nichel Alcantara to a minor league contract. |
| Jul 22, 2015 | Released | Wesley Wright | — | Baltimore Orioles | Baltimore Orioles released LHP Wesley Wright. |
| Jul 22, 2015 | Signed as free agent | Joba Chamberlain | — | Toronto Blue Jays | Toronto Blue Jays signed free agent RHP Joba Chamberlain to a minor league contract. |
| Jul 22, 2015 | Trade | Shawn Haviland | Chicago White Sox | Colorado Rockies | Chicago White Sox traded RHP Shawn Haviland to Colorado Rockies for cash. |
| Jul 22, 2015 | Signed as free agent | Edward Burgos | — | San Diego Padres | San Diego Padres signed free agent OF Edward Burgos to a minor league contract. |
| Jul 22, 2015 | Signed as free agent | Leonel Valera | — | Los Angeles Dodgers | Los Angeles Dodgers signed free agent SS Leonel Valera to a minor league contract. |
| Jul 21, 2015 | Signed as free agent | Alejandro Garcia | — | Houston Astros | Houston Astros signed free agent OF Alejandro Garcia to a minor league contract. |
| Jul 21, 2015 | Signed as free agent | Jeremy Horst | — | Milwaukee Brewers | Milwaukee Brewers signed free agent LHP Jeremy Horst to a minor league contract. |
| Jul 21, 2015 | Signed as free agent | Aderlin Rodríguez | — | Seattle Mariners | Seattle Mariners signed free agent 3B Aderlin Rodriguez to a minor league contract. |
| Jul 21, 2015 | Signed as free agent | Jonathan Galvez | — | New York Mets | New York Mets signed free agent 3B Jonathan Galvez to a minor league contract. |
| Jul 21, 2015 | Signed as free agent | Dana Eveland | — | Baltimore Orioles | Baltimore Orioles signed free agent LHP Dana Eveland to a minor league contract. |
| Jul 21, 2015 | Signed as free agent | Elio Serrano | — | Los Angeles Dodgers | Los Angeles Dodgers signed free agent RHP Elio Serrano to a minor league contract. |
| Jul 21, 2015 | Signed | Edwin Rios | — | Los Angeles Dodgers | Los Angeles Dodgers signed 1B Edwin Rios. |
| Jul 20, 2015 | Signed as free agent | Guiyuan Xu | — | Baltimore Orioles | Baltimore Orioles signed free agent 1B Gui Yuan Xu to a minor league contract. |
| Jul 20, 2015 | Signed as free agent | Dustin Lawley | — | Boston Red Sox | Boston Red Sox signed free agent 3B Dustin Lawley to a minor league contract. |
| Jul 20, 2015 | Signed as free agent | Ronald Parra | — | Los Angeles Dodgers | Los Angeles Dodgers signed free agent LHP Ronald Parra to a minor league contract. |
| Jul 19, 2015 | Signed as free agent | Anderson Amarista | — | Colorado Rockies | Colorado Rockies signed free agent RHP Anderson Amarista to a minor league contract. |
| Jul 17, 2015 | Signed as free agent | Jason Frasor | — | Atlanta Braves | Atlanta Braves signed free agent RHP Jason Frasor. |
| Jul 17, 2015 | Signed as free agent | Andy Oliver | — | Baltimore Orioles | Baltimore Orioles signed free agent LHP Andy Oliver to a minor league contract. |
| Jul 17, 2015 | Signed as free agent | Destin Hood | — | Philadelphia Phillies | Philadelphia Phillies signed free agent LF Destin Hood to a minor league contract. |
| Jul 17, 2015 | Signed as free agent | Ross Detwiler | — | Atlanta Braves | Atlanta Braves signed free agent LHP Ross Detwiler. |
| Jul 17, 2015 | Signed | Nathan Kirby | — | Milwaukee Brewers | Milwaukee Brewers signed LHP Nathan Kirby. |
| Jul 17, 2015 | Signed | Max McDowell | — | Milwaukee Brewers | Milwaukee Brewers signed C Max McDowell. |
| Jul 17, 2015 | Signed | Jordan Desguin | — | Milwaukee Brewers | Milwaukee Brewers signed RHP Jordan Desguin. |
| Jul 17, 2015 | Signed | Michael Petersen | — | Milwaukee Brewers | Milwaukee Brewers signed RHP Michael Petersen. |
| Jul 17, 2015 | Signed | Dansby Swanson | — | Arizona Diamondbacks | Arizona Diamondbacks signed Dansby Swanson. |
| Jul 17, 2015 | Signed | Wesley Rodriguez | — | Arizona Diamondbacks | Arizona Diamondbacks signed RHP Wesley Rodriguez. |
| Jul 17, 2015 | Signed as free agent | Jake Thompson | — | Pittsburgh Pirates | Pittsburgh Pirates signed free agent RHP Jake Thompson to a minor league contract. |
| Jul 17, 2015 | Signed | Chris Betts | — | Tampa Bay Rays | Tampa Bay Rays signed C Chris Betts. |
| Jul 17, 2015 | Signed | Ryley MacEachern | — | Miami Marlins | Miami Marlins signed RHP Ryley MacEachern. |
| Jul 17, 2015 | Signed | Josh Rogers | — | New York Yankees | New York Yankees signed LHP Joshua Rogers. |
| Jul 17, 2015 | Signed as free agent | Connor Overton | — | Washington Nationals | Washington Nationals signed free agent RHP Connor Overton to a minor league contract. |
| Jul 17, 2015 | Signed as free agent | Eudy Pina | — | Miami Marlins | Miami Marlins signed free agent OF Eudy Pina to a minor league contract. |
| Jul 17, 2015 | Signed | Reggie Wilson | — | Philadelphia Phillies | Philadelphia Phillies signed CF Reggie Wilson. |
| Jul 17, 2015 | Signed | Ben Pelletier | — | Philadelphia Phillies | Philadelphia Phillies signed OF Ben Pelletier. |
| Jul 17, 2015 | Signed | Chris Paul | — | Minnesota Twins | Minnesota Twins signed OF Christopher Paul. |
| Jul 17, 2015 | Signed | Zander Wiel | — | Minnesota Twins | Minnesota Twins signed 1B Alex Wiel. |
| Jul 17, 2015 | Signed as free agent | Luke Carlin | — | Chicago Cubs | Chicago Cubs signed free agent C Luke Carlin to a minor league contract. |
| Jul 17, 2015 | Signed as free agent | Erik Kratz | — | Philadelphia Phillies | Philadelphia Phillies signed free agent C Erik Kratz to a minor league contract. |
| Jul 17, 2015 | Signed | Marc Brakeman | — | Boston Red Sox | Boston Red Sox signed RHP Marc Brakeman. |
| Jul 17, 2015 | Signed | Phil Pfeifer | — | Los Angeles Dodgers | Los Angeles Dodgers signed Philip Pfeifer. |
| Jul 17, 2015 | Signed | Josh Sborz | — | Los Angeles Dodgers | Los Angeles Dodgers signed RHP Joshua Sborz. |
| Jul 17, 2015 | Signed | Walker Buehler | — | Los Angeles Dodgers | Los Angeles Dodgers signed RHP Walker Buehler. |
| Jul 17, 2015 | Signed | Luis Rodriguez | — | Los Angeles Dodgers | Los Angeles Dodgers signed RHP Luis Rodriguez. |
| Jul 17, 2015 | Signed | Tyler Brashears | — | Tampa Bay Rays | Tampa Bay Rays signed RHP Tyler Brashears. |
| Jul 17, 2015 | Signed | Logan Crouse | — | Los Angeles Dodgers | Los Angeles Dodgers signed RHP Logan Crouse. |
| Jul 17, 2015 | Signed | Alex Hermeling | — | Los Angeles Dodgers | Los Angeles Dodgers signed RHP Alexander Hermeling. |
| Jul 17, 2015 | Signed | Jack Finnegan | — | Milwaukee Brewers | Milwaukee Brewers signed RHP Jack Finnegan. |
| Jul 17, 2015 | Signed as free agent | Jesus E. Sanchez | — | Miami Marlins | Miami Marlins signed free agent RHP Jesus Sanchez to a minor league contract. |
| Jul 17, 2015 | Signed as free agent | Pascal Amon | — | Los Angeles Dodgers | Los Angeles Dodgers signed free agent OF Pascal Amon to a minor league contract. |
| Jul 17, 2015 | Signed as free agent | Miguel Amaya | — | Chicago Cubs | Chicago Cubs signed free agent C Miguel Amaya to a minor league contract. |
| Jul 17, 2015 | Signed | Kirvin Moesquit | — | Baltimore Orioles | Baltimore Orioles signed 2B Kirvin Moesquit. |
| Jul 16, 2015 | Signed | Jordan Humphreys | — | New York Mets | New York Mets signed RHP Jordan Humphreys. |
| Jul 16, 2015 | Signed | Brandon Waddell | — | Pittsburgh Pirates | Pittsburgh Pirates signed LHP Brandon Waddell. |
| Jul 16, 2015 | Signed | Ryan Nagle | — | Pittsburgh Pirates | Pittsburgh Pirates signed OF Ryan Nagle. |
| Jul 16, 2015 | Signed as free agent | Elvis Alvarado | — | Washington Nationals | Washington Nationals signed free agent OF Elvis Alvarado to a minor league contract. |
| Jul 16, 2015 | Signed as free agent | Ronald Belisario | — | Boston Red Sox | Boston Red Sox signed free agent RHP Ronald Belisario to a minor league contract. |
| Jul 16, 2015 | Signed as free agent | Reegie Corona | — | Washington Nationals | Washington Nationals signed free agent 2B Reegie Corona to a minor league contract. |
| Jul 16, 2015 | Signed as free agent | Zach Lutz | — | New York Mets | New York Mets signed free agent 3B Zach Lutz to a minor league contract. |
| Jul 16, 2015 | Signed | Scott Effross | — | Chicago Cubs | Chicago Cubs signed RHP Scott Effross. |
| Jul 16, 2015 | Signed as free agent | Andy Perez | — | Boston Red Sox | Boston Red Sox signed free agent 2B Andy Perez to a minor league contract. |
| Jul 16, 2015 | Signed | Conor Harber | — | Milwaukee Brewers | Milwaukee Brewers signed RHP Conor Harber. |
| Jul 16, 2015 | Signed | Alejo Lopez | — | Cincinnati Reds | Cincinnati Reds signed SS Jesus Lopez. |
| Jul 16, 2015 | Signed | Justin Marsden | — | Tampa Bay Rays | Tampa Bay Rays signed RHP Justin Marsden. |
| Jul 16, 2015 | Signed | Taylor Cockrell | — | Atlanta Braves | Atlanta Braves signed RHP Taylor Cockrell. |
| Jul 16, 2015 | Signed | Hector Santiago | — | San Francisco Giants | San Francisco Giants signed SS Hector Santiago. |
| Jul 16, 2015 | Signed | Nicholas Padilla | — | Tampa Bay Rays | Tampa Bay Rays signed RHP Nicholas Padilla. |
| Jul 16, 2015 | Signed as free agent | Jhonatan German | — | Washington Nationals | Washington Nationals signed free agent RHP Jhonatan German to a minor league contract. |
| Jul 15, 2015 | Trade | Grant Dayton | Miami Marlins | Los Angeles Dodgers | Los Angeles Dodgers traded LHP Chris Reed to Miami Marlins for LHP Grant Dayton. |
| Jul 15, 2015 | Signed | James Kaprielian | — | New York Yankees | New York Yankees signed RHP James Kaprielian. |
| Jul 15, 2015 | Released | Ross Detwiler | — | Texas Rangers | Texas Rangers released LHP Ross Detwiler. |
| Jul 15, 2015 | Signed as free agent | Everth Cabrera | — | San Francisco Giants | San Francisco Giants signed free agent SS Everth Cabrera to a minor league contract. |
| Jul 15, 2015 | Signed as free agent | Luis Avila | — | Milwaukee Brewers | Milwaukee Brewers signed free agent SS Luis Avila to a minor league contract. |
| Jul 15, 2015 | Signed | Bryan Torres | — | Milwaukee Brewers | Milwaukee Brewers signed OF Bryan Torres. |
| Jul 14, 2015 | Signed | Travis Lakins | — | Boston Red Sox | Boston Red Sox signed RHP Travis Lakins. |
| Jul 14, 2015 | Signed | Matt Bower | — | Houston Astros | Houston Astros signed LHP Matt Bower. |
| Jul 14, 2015 | Signed | Casey Bloomquist | — | Chicago Cubs | Chicago Cubs signed RHP Casey Bloomquist. |
| Jul 14, 2015 | Signed | Darren Shred | — | Cincinnati Reds | Cincinnati Reds signed RHP Darren Shred. |
| Jul 14, 2015 | Signed as free agent | Moisés Castillo | — | St. Louis Cardinals | St. Louis Cardinals signed free agent SS Moises Castillo to a minor league contract. |
| Jul 14, 2015 | Signed as free agent | Carlos Garcia | — | Pittsburgh Pirates | Pittsburgh Pirates signed free agent OF Carlos Garcia to a minor league contract. |
| Jul 14, 2015 | Signed as free agent | Francisco Mepris | — | Pittsburgh Pirates | Pittsburgh Pirates signed free agent 2B Francisco Mepris to a minor league contract. |
| Jul 13, 2015 | Released | Jason Frasor | — | Kansas City Royals | Kansas City Royals released RHP Jason Frasor. |
| Jul 13, 2015 | Signed | Jeff Degano | — | New York Yankees | New York Yankees signed LHP Jeffrey Degano. |
| Jul 13, 2015 | Signed | James Marvel | — | Pittsburgh Pirates | Pittsburgh Pirates signed RHP James Marvel. |
| Jul 13, 2015 | Signed | Alan Garcia | — | San Diego Padres | San Diego Padres signed OF Alan Garcia. |
| Jul 13, 2015 | Signed | Kolby Allard | — | Atlanta Braves | Atlanta Braves signed LHP Kolby Allard. |
| Jul 11, 2015 | Signed | Neftalí Feliz | — | Detroit Tigers | Detroit Tigers signed RHP Neftali Feliz. |
| Jul 11, 2015 | Signed as free agent | Joe Benson | — | New York Mets | New York Mets signed free agent OF Joe Benson to a minor league contract. |
| Jul 11, 2015 | Signed as free agent | Chien-Ming Wang | — | Seattle Mariners | Seattle Mariners signed free agent RHP Chien-Ming Wang to a minor league contract. |
| Jul 11, 2015 | Signed as free agent | Jonaiker Villalobos | — | Miami Marlins | Miami Marlins signed free agent LHP Jonaiker Villalobos to a minor league contract. |
| Jul 11, 2015 | Signed as free agent | Jhoan Arias | — | Athletics | Oakland Athletics signed free agent SS Jhoan Arias to a minor league contract. |
| Jul 11, 2015 | Signed as free agent | Alonzo Medina | — | Athletics | Oakland Athletics signed free agent OF Alonzo Medina to a minor league contract. |
| Jul 10, 2015 | Signed as free agent | Jhailyn Ortiz | — | Philadelphia Phillies | Philadelphia Phillies signed free agent OF Jhailyn Ortiz to a minor league contract. |
| Jul 10, 2015 | Signed as free agent | Zach Wright | — | Washington Nationals | Washington Nationals signed free agent C Zach Wright to a minor league contract. |
| Jul 10, 2015 | Signed as free agent | Vin Mazzaro | — | Atlanta Braves | Atlanta Braves signed free agent RHP Vin Mazzaro to a minor league contract. |
| Jul 10, 2015 | Released | Brandon League | — | Los Angeles Dodgers | Los Angeles Dodgers released RHP Brandon League. |
| Jul 10, 2015 | Signed as free agent | Casey McGehee | — | Miami Marlins | Miami Marlins signed free agent 3B Casey McGehee. |
| Jul 10, 2015 | Signed as free agent | Andrew Barbosa | — | Atlanta Braves | Atlanta Braves signed free agent LHP Andrew Barbosa to a minor league contract. |
| Jul 10, 2015 | Signed as free agent | Matt Fields | — | Arizona Diamondbacks | Arizona Diamondbacks signed free agent 1B Matt Fields to a minor league contract. |
| Jul 10, 2015 | Released | Joba Chamberlain | — | Detroit Tigers | Detroit Tigers released RHP Joba Chamberlain. |
| Jul 10, 2015 | Signed | Ike Schlabach | — | Pittsburgh Pirates | Pittsburgh Pirates signed LHP Ike Schlabach. |
| Jul 10, 2015 | Signed | Tate Scioneaux | — | Pittsburgh Pirates | Pittsburgh Pirates signed RHP Tate Scioneaux. |
| Jul 10, 2015 | Signed | Preston Morrison | — | Chicago Cubs | Chicago Cubs signed RHP Preston Morrison. |
| Jul 10, 2015 | Signed | James Roberts | — | Miami Marlins | Miami Marlins signed 3B James Roberts. |
| Jul 10, 2015 | Signed as free agent | Shea Spitzbarth | — | Los Angeles Dodgers | Los Angeles Dodgers signed free agent RHP Shea Spitzbarth to a minor league contract. |
| Jul 10, 2015 | Signed | Tyler Watson | — | Washington Nationals | Washington Nationals signed LHP Tyler Watson. |
| Jul 10, 2015 | Signed | Octavio Arroyo | — | Miami Marlins | Miami Marlins signed RHP Octavio Arroyo. |
| Jul 10, 2015 | Signed as free agent | Bryan Ozuna | — | Arizona Diamondbacks | Arizona Diamondbacks signed free agent RHP Bryan Ozuna to a minor league contract. |
| Jul 10, 2015 | Signed as free agent | Kai-Wei Lin | — | Arizona Diamondbacks | Arizona Diamondbacks signed free agent RHP Kai-Wei Lin to a minor league contract. |
| Jul 10, 2015 | Signed as free agent | Fernando Valdez | — | Texas Rangers | Texas Rangers signed free agent SS Fernando Valdez to a minor league contract. |
| Jul 10, 2015 | Signed as free agent | Kevin Aponte | — | Los Angeles Dodgers | Los Angeles Dodgers signed free agent OF Kevin Aponte to a minor league contract. |
| Jul 10, 2015 | Signed as free agent | Miguel Hernandez | — | Cincinnati Reds | Cincinnati Reds signed free agent SS Miguel Hernandez to a minor league contract. |
| Jul 10, 2015 | Signed as free agent | Sebastián Rivero | — | Kansas City Royals | Kansas City Royals signed free agent C Sebastian Rivero to a minor league contract. |
| Jul 10, 2015 | Signed as free agent | Angel Medina | — | Kansas City Royals | Kansas City Royals signed free agent SS Angel Medina to a minor league contract. |
| Jul 10, 2015 | Signed as free agent | Jair Camargo | — | Los Angeles Dodgers | Los Angeles Dodgers signed free agent C Jair Camargo to a minor league contract. |
| Jul 10, 2015 | Signed as free agent | Carlos Reina | — | Cincinnati Reds | Cincinnati Reds signed free agent C Carlos Reina to a minor league contract. |
| Jul 9, 2015 | Released | Delmon Young | — | Baltimore Orioles | Baltimore Orioles released RF Delmon Young. |
| Jul 9, 2015 | Signed | Luke Wakamatsu | — | Cleveland Guardians | Cleveland Indians signed SS Luke Wakamatsu. |
| Jul 9, 2015 | Signed as free agent | Dylan Becker | — | St. Louis Cardinals | St. Louis Cardinals signed free agent 3B Dylan Becker to a minor league contract. |
| Jul 9, 2015 | Signed | Patrick O'Brien | — | New York Yankees | New York Yankees signed RHP Patrick O'Brien. |
| Jul 9, 2015 | Signed as free agent | Jeff Campbell | — | Atlanta Braves | Atlanta Braves signed free agent 1B Jeff Campbell to a minor league contract. |
| Jul 9, 2015 | Signed as free agent | Shannon Wilkerson | — | Minnesota Twins | Minnesota Twins signed free agent CF Shannon Wilkerson to a minor league contract. |
| Jul 9, 2015 | Signed | Miles Gordon | — | Cincinnati Reds | Cincinnati Reds signed OF Miles Gordon. |
| Jul 9, 2015 | Signed | Alex Young | — | Arizona Diamondbacks | Arizona Diamondbacks signed LHP Alex Young. |
| Jul 9, 2015 | Signed as free agent | Gabe Cramer | — | Kansas City Royals | Kansas City Royals signed free agent RHP Gabriel Cramer to a minor league contract. |
| Jul 9, 2015 | Signed as free agent | Champ Rowland | — | St. Louis Cardinals | St. Louis Cardinals signed free agent SS Champ Rowland to a minor league contract. |
| Jul 9, 2015 | Signed | Paul Salazar | — | St. Louis Cardinals | St. Louis Cardinals signed RHP Paul Salazar. |
| Jul 9, 2015 | Signed | Jovani Morán | — | Minnesota Twins | Minnesota Twins signed LHP Jovani Moran. |
| Jul 9, 2015 | Signed as free agent | Jose Solano | — | New York Yankees | New York Yankees signed free agent RHP Jose Solano to a minor league contract. |
| Jul 9, 2015 | Signed as free agent | Sandy Mota | — | New York Yankees | New York Yankees signed free agent SS Sandy Mota to a minor league contract. |
| Jul 9, 2015 | Signed as free agent | Bairon De La Rosa | — | Detroit Tigers | Detroit Tigers signed free agent RHP Bairon De La Rosa to a minor league contract. |
| Jul 9, 2015 | Signed as free agent | Eduard Rosillo | — | Tampa Bay Rays | Tampa Bay Rays signed free agent RHP Eduard Rosillo to a minor league contract. |
| Jul 9, 2015 | Signed | Yomar Valentin | — | Boston Red Sox | Boston Red Sox signed SS Yomar Valentin. |
| Jul 9, 2015 | Signed as free agent | Felix Santiago | — | Kansas City Royals | Kansas City Royals signed free agent RHP Felix Santiago to a minor league contract. |
| Jul 9, 2015 | Signed | Mitchell Tripp | — | Cincinnati Reds | Cincinnati Reds signed RHP Mitchell Tripp. |
| Jul 9, 2015 | Signed as free agent | Edison Suriel | — | Miami Marlins | Miami Marlins signed free agent LHP Edison Suriel to a minor league contract. |
| Jul 9, 2015 | Signed as free agent | Jhoan Hernandez | — | Detroit Tigers | Detroit Tigers signed free agent SS Jhoan Hernandez to a minor league contract. |
| Jul 9, 2015 | Signed as free agent | Welin Liriano | — | Texas Rangers | Texas Rangers signed free agent SS Welin Liriano to a minor league contract. |
| Jul 8, 2015 | Released | Casey McGehee | — | San Francisco Giants | San Francisco Giants released 3B Casey McGehee. |
| Jul 8, 2015 | Signed | Brad Zunica | — | San Diego Padres | San Diego Padres signed 1B Brad Zunica. |
| Jul 8, 2015 | Signed as free agent | Luis Medina | — | New York Yankees | New York Yankees signed free agent RHP Luis Medina to a minor league contract. |
| Jul 8, 2015 | Signed | Chris Shaw | — | Baltimore Orioles | Baltimore Orioles signed C Chris Shaw. |
| Jul 7, 2015 | Signed | Michael Soroka | — | Atlanta Braves | Atlanta Braves signed RHP Mike Soroka. |
| Jul 7, 2015 | Signed as free agent | Hunter Cervenka | — | Atlanta Braves | Atlanta Braves signed free agent LHP Hunter Cervenka to a minor league contract. |
| Jul 7, 2015 | Signed | Patrick Sandoval | — | Houston Astros | Houston Astros signed LHP Patrick Sandoval. |
| Jul 7, 2015 | Released | Nick Masset | — | Atlanta Braves | Atlanta Braves released RHP Nick Masset. |
| Jul 7, 2015 | Released | Dana Eveland | — | Atlanta Braves | Atlanta Braves released LHP Dana Eveland. |
| Jul 7, 2015 | Signed | Nick Fanti | — | Philadelphia Phillies | Philadelphia Phillies signed LHP Nick Fanti. |
| Jul 7, 2015 | Signed | Christian Morris | — | New York Yankees | New York Yankees signed RHP Christian Morris. |
| Jul 7, 2015 | Signed | Rhett Wiseman | — | Washington Nationals | Washington Nationals signed CF Rhett Wiseman. |
| Jul 7, 2015 | Signed as free agent | Keudy Bocio | — | Philadelphia Phillies | Philadelphia Phillies signed free agent SS Keudy Bocio to a minor league contract. |
| Jul 7, 2015 | Signed as free agent | Manuel Silva | — | Philadelphia Phillies | Philadelphia Phillies signed free agent LHP Manuel Silva to a minor league contract. |
| Jul 7, 2015 | Signed as free agent | Ryan Brasier | — | Athletics | Oakland Athletics signed free agent RHP Ryan Brasier to a minor league contract. |
| Jul 7, 2015 | Signed | Jacob Schlesener | — | St. Louis Cardinals | St. Louis Cardinals signed LHP Jacob Schlesener. |
| Jul 7, 2015 | Signed | Domenic Mazza | — | San Francisco Giants | San Francisco Giants signed LHP Domenic Mazza. |
| Jul 7, 2015 | Signed as free agent | Andy Ibáñez | — | Texas Rangers | Texas Rangers signed free agent 2B Andy Ibanez to a minor league contract. |
| Jul 7, 2015 | Signed as free agent | Hector Moreta | — | Colorado Rockies | Colorado Rockies signed free agent RHP Hector Moreta to a minor league contract. |
| Jul 7, 2015 | Signed as free agent | Yeral Gomez | — | Philadelphia Phillies | Philadelphia Phillies signed free agent P Yeral Gomez to a minor league contract. |
| Jul 7, 2015 | Signed as free agent | Unnamed | — | San Diego Padres | San Diego Padres signed free agent RHP Andres Munoz to a minor league contract. |
| Jul 7, 2015 | Signed as free agent | Cosme Zapata | — | Houston Astros | Houston Astros signed free agent RHP Cosme Zapata to a minor league contract. |
| Jul 7, 2015 | Signed as free agent | Damaso Marte Jr. | — | Los Angeles Dodgers | Los Angeles Dodgers signed free agent SS Damaso Marte, Jr to a minor league contract. |
| Jul 7, 2015 | Signed as free agent | Darel Torres | — | Texas Rangers | Texas Rangers signed free agent RHP Darel Torres to a minor league contract. |
| Jul 7, 2015 | Signed | Andrés Muñoz | — | San Diego Padres | San Diego Padres signed RHP Andres Munoz. |
| Jul 7, 2015 | Signed | P.J. Higgins | — | Chicago Cubs | Chicago Cubs signed 2B P.J. Higgins. |
| Jul 6, 2015 | Trade | Aaron Kurcz | Atlanta Braves | Athletics | Atlanta Braves traded RHP Aaron Kurcz to Oakland Athletics for Future Considerations. |
| Jul 6, 2015 | Released | Willie Bloomquist | — | Seattle Mariners | Seattle Mariners released SS Willie Bloomquist. |
| Jul 6, 2015 | Signed | Blaine Prescott | — | Texas Rangers | Texas Rangers signed RHP Blaine Prescott. |
| Jul 6, 2015 | Signed | Jesus Ortiz | — | Tampa Bay Rays | Tampa Bay Rays signed RHP Jesus Ortiz. |
| Jul 6, 2015 | Signed | Reggie Pruitt | — | Toronto Blue Jays | Toronto Blue Jays signed CF Reggie Pruitt. |
| Jul 6, 2015 | Signed | J.D. Williams | — | Cincinnati Reds | Cincinnati Reds signed 2B J.D. Salmon-Williams. |
| Jul 6, 2015 | Signed | Isaac Anesty | — | Cincinnati Reds | Cincinnati Reds signed LHP Isaac Anesty. |
| Jul 6, 2015 | Signed as free agent | Samuel De La Cruz | — | New York Yankees | New York Yankees signed free agent C Samuel De La Cruz to a minor league contract. |
| Jul 6, 2015 | Signed as free agent | Sandy Acevedo | — | New York Yankees | New York Yankees signed free agent 3B Sandy Acevedo to a minor league contract. |
| Jul 6, 2015 | Signed | Edrick Agosto | — | Tampa Bay Rays | Tampa Bay Rays signed RHP Edrick Agosto. |
| Jul 6, 2015 | Signed as free agent | Cristhian Tortosa | — | Detroit Tigers | Detroit Tigers signed free agent LHP Cristhian Tortosa to a minor league contract. |
| Jul 6, 2015 | Signed as free agent | Elvis Gomez | — | Cincinnati Reds | Cincinnati Reds signed free agent C Elvis Gomez to a minor league contract. |
| Jul 6, 2015 | Signed as free agent | Juan Mota | — | Cleveland Guardians | Cleveland Indians signed free agent RHP Juan Mota to a minor league contract. |
| Jul 6, 2015 | Signed as free agent | Kenny Nunez | — | Cleveland Guardians | Cleveland Indians signed free agent LHP Kenny Nunez to a minor league contract. |
| Jul 6, 2015 | Signed as free agent | Alexander Salazar | — | Cincinnati Reds | Cincinnati Reds signed free agent SS Alexander Salazar to a minor league contract. |
| Jul 6, 2015 | Signed as free agent | Marfrey Ortega | — | Detroit Tigers | Detroit Tigers signed free agent OF Marfrey Ortega to a minor league contract. |
| Jul 6, 2015 | Signed as free agent | Eurys Henriquez | — | Cleveland Guardians | Cleveland Indians signed free agent LHP Eurys Henriquez to a minor league contract. |
| Jul 6, 2015 | Signed as free agent | Juan Morales | — | Atlanta Braves | Atlanta Braves signed free agent SS Juan Morales to a minor league contract. |
| Jul 6, 2015 | Signed as free agent | Alfredo Silva | — | Detroit Tigers | Detroit Tigers signed free agent LHP Alfredo Silva to a minor league contract. |
| Jul 6, 2015 | Signed as free agent | Cesar Cortez | — | Houston Astros | Houston Astros signed free agent OF Cesar Cortez to a minor league contract. |
| Jul 6, 2015 | Signed as free agent | Santiago Vital | — | Detroit Tigers | Detroit Tigers signed free agent OF Santiago Vital to a minor league contract. |
| Jul 6, 2015 | Signed as free agent | Kenny Hernandez | — | Arizona Diamondbacks | Arizona Diamondbacks signed free agent LHP Kenny Hernandez to a minor league contract. |
| Jul 5, 2015 | Trade | Josh Taylor | Philadelphia Phillies | Arizona Diamondbacks | Philadelphia Phillies traded Future Considerations, RHP Chris Oliver and LHP Josh Taylor to Arizona Diamondbacks for Future Considerations. |
| Jul 5, 2015 | Signed as free agent | Ben Rowen | — | Chicago Cubs | Chicago Cubs signed free agent RHP Ben Rowen to a minor league contract. |
| Jul 5, 2015 | Signed | Andrew Suárez | — | San Francisco Giants | San Francisco Giants signed LHP Andrew Suarez. |
| Jul 5, 2015 | Signed | Grant Watson | — | San Francisco Giants | San Francisco Giants signed LHP Grant Watson. |
| Jul 5, 2015 | Signed | Tyler Brown | — | San Francisco Giants | San Francisco Giants signed 2B Tyler Brown. |
| Jul 5, 2015 | Signed | Ryan McKenna | — | Baltimore Orioles | Baltimore Orioles signed OF Ryan McKenna. |
| Jul 5, 2015 | Signed as free agent | Breck Kline | — | Miami Marlins | Miami Marlins signed free agent RHP Breck Kline to a minor league contract. |
| Jul 5, 2015 | Signed as free agent | Jesus Chacon | — | Boston Red Sox | Boston Red Sox signed free agent IF Jesus Chacon to a minor league contract. |
| Jul 5, 2015 | Signed as free agent | Jazz Chisholm Jr. | — | Arizona Diamondbacks | Arizona Diamondbacks signed free agent SS Jasrado Chisholm to a minor league contract. |
| Jul 4, 2015 | Signed as free agent | Derian Cruz | — | Atlanta Braves | Atlanta Braves signed free agent SS Derian Cruz to a minor league contract. |
| Jul 4, 2015 | Signed as free agent | Cristian Pache | — | Atlanta Braves | Atlanta Braves signed free agent OF Cristian Pache to a minor league contract. |
| Jul 4, 2015 | Signed | Ethan Clark | — | Tampa Bay Rays | Tampa Bay Rays signed RHP Ethan Clark. |
| Jul 4, 2015 | Signed as free agent | Aldor Rodriguez | — | Tampa Bay Rays | Tampa Bay Rays signed free agent P Aldor Rodriguez to a minor league contract. |
| Jul 4, 2015 | Signed as free agent | Edison Novas | — | Chicago Cubs | Chicago Cubs signed free agent RHP Edison Novas to a minor league contract. |
| Jul 4, 2015 | Signed as free agent | Seuly Matias | — | Kansas City Royals | Kansas City Royals signed free agent OF Seuly Matias to a minor league contract. |
| Jul 4, 2015 | Signed as free agent | Cristian Inoa | — | Texas Rangers | Texas Rangers signed free agent SS Cristian Inoa to a minor league contract. |
| Jul 4, 2015 | Signed as free agent | Yan Carlos Reyes | — | Tampa Bay Rays | Tampa Bay Rays signed free agent 3B Yan Carlos Reyes to a minor league contract. |
| Jul 4, 2015 | Signed as free agent | Luis Perez | — | Tampa Bay Rays | Tampa Bay Rays signed free agent C Luis Perez to a minor league contract. |
| Jul 4, 2015 | Signed as free agent | Jose Mac Donna | — | Chicago Cubs | Chicago Cubs signed free agent LHP Jose Mac Donna to a minor league contract. |
| Jul 3, 2015 | Signed as free agent | Melvin Morel | — | Detroit Tigers | Detroit Tigers signed free agent LHP Melvin Morel to a minor league contract. |
| Jul 3, 2015 | Signed | Carson Fulmer | — | Chicago White Sox | Chicago White Sox signed RHP Carson Fulmer. |
| Jul 3, 2015 | Signed | Boomer Biegalski | — | Athletics | Oakland Athletics signed RHP Boomer Biegalski. |
| Jul 3, 2015 | Signed | Connor Bennett | — | Cincinnati Reds | Cincinnati Reds signed RHP Connor Bennett. |
| Jul 3, 2015 | Signed as free agent | Xavier Avery | — | San Francisco Giants | San Francisco Giants signed free agent LF Xavier Avery to a minor league contract. |
| Jul 3, 2015 | Trade | Clayton Richard | Pittsburgh Pirates | Chicago Cubs | Pittsburgh Pirates traded LHP Clayton Richard to Chicago Cubs for cash. |
| Jul 3, 2015 | Signed as free agent | Rafael Marchán | — | Philadelphia Phillies | Philadelphia Phillies signed free agent SS Rafael Marchan to a minor league contract. |
| Jul 3, 2015 | Signed as free agent | Victor Gonzalez | — | Texas Rangers | Texas Rangers signed free agent RHP Victor Gonzalez to a minor league contract. |
| Jul 3, 2015 | Trade | Raffy Lopez | Chicago Cubs | Los Angeles Angels | Chicago Cubs traded C Rafael Lopez to Los Angeles Angels for LHP Manuel Rondon and cash. |
| Jul 3, 2015 | Signed as free agent | Maxwell Morales | — | Texas Rangers | Texas Rangers signed free agent C Maxwell Morales to a minor league contract. |
| Jul 3, 2015 | Signed as free agent | Ildemaro Escalona | — | Detroit Tigers | Detroit Tigers signed free agent IF Ildemaro Escalona to a minor league contract. |
| Jul 3, 2015 | Signed as free agent | Rafael Romero | — | Kansas City Royals | Kansas City Royals signed free agent SS Rafael Romero to a minor league contract. |
| Jul 3, 2015 | Signed as free agent | Ronny Carrasco | — | Colorado Rockies | Colorado Rockies signed free agent P Ronny Carrasco to a minor league contract. |
| Jul 3, 2015 | Signed as free agent | Luis Alcantara | — | Kansas City Royals | Kansas City Royals signed free agent RHP Luis Alcantara to a minor league contract. |
| Jul 3, 2015 | Signed as free agent | Jose Mora | — | Philadelphia Phillies | Philadelphia Phillies signed free agent OF Jose Mora to a minor league contract. |
| Jul 3, 2015 | Signed as free agent | Kilber Santana | — | Detroit Tigers | Detroit Tigers signed free agent P Kilber Santana to a minor league contract. |
| Jul 3, 2015 | Signed as free agent | Gustavo Figueroa | — | Detroit Tigers | Detroit Tigers signed free agent C Gustavo Figueroa to a minor league contract. |
| Jul 3, 2015 | Signed as free agent | Esteury Ruiz | — | Kansas City Royals | Kansas City Royals signed free agent 2B Esteury Ruiz to a minor league contract. |
| Jul 3, 2015 | Signed as free agent | Pedro Hurtado | — | Detroit Tigers | Detroit Tigers signed free agent C Pedro Hurtado to a minor league contract. |
| Jul 3, 2015 | Signed as free agent | Aneudy Duarte | — | Colorado Rockies | Colorado Rockies signed free agent RHP Aneudy Duarte to a minor league contract. |
| Jul 3, 2015 | Signed as free agent | Cristopher Navarro | — | Colorado Rockies | Colorado Rockies signed free agent SS Cristopher Navarro to a minor league contract. |
| Jul 3, 2015 | Signed as free agent | Janser Lara | — | Kansas City Royals | Kansas City Royals signed free agent P Janser Lara to a minor league contract. |
| Jul 3, 2015 | Signed as free agent | Darwin Alvarado | — | Detroit Tigers | Detroit Tigers signed free agent LF Darwin Alvarado to a minor league contract. |
| Jul 3, 2015 | Signed as free agent | Reyember Mendoza | — | Los Angeles Angels | Los Angeles Angels signed free agent RHP Reyember Mendoza to a minor league contract. |
| Jul 3, 2015 | Signed as free agent | Antonio Pinero | — | Boston Red Sox | Boston Red Sox signed free agent SS Antonio Pinero to a minor league contract. |
| Jul 3, 2015 | Signed as free agent | Jeison Guzmán | — | Kansas City Royals | Kansas City Royals signed free agent SS Jeison Guzman to a minor league contract. |
| Jul 3, 2015 | Signed as free agent | Jesus Rodolfo Garcia | — | Texas Rangers | Texas Rangers signed free agent RHP Jesus Garcia to a minor league contract. |
| Jul 3, 2015 | Signed as free agent | Harvin Mendoza | — | Chicago White Sox | Chicago White Sox signed free agent OF Harvin Mendoza to a minor league contract. |
| Jul 3, 2015 | Signed as free agent | Fabian Andrade | — | Boston Red Sox | Boston Red Sox signed free agent CF Fabian Andrade to a minor league contract. |
| Jul 3, 2015 | Signed as free agent | Nolan Perez | — | Seattle Mariners | Seattle Mariners signed free agent 3B Nolan Perez to a minor league contract. |
| Jul 3, 2015 | Signed as free agent | Melvin Ramos | — | Detroit Tigers | Detroit Tigers signed free agent SS Melvin Ramos to a minor league contract. |
| Jul 3, 2015 | Signed as free agent | Miguel Paulino | — | Detroit Tigers | Detroit Tigers signed free agent RHP Miguel Paulino to a minor league contract. |
| Jul 2, 2015 | Signed | Bryan Hudson | — | Chicago Cubs | Chicago Cubs signed LHP Bryan Hudson. |
| Jul 2, 2015 | Signed as free agent | Gilberto Celestino | — | Houston Astros | Houston Astros signed free agent CF Gilberto Celestino to a minor league contract. |
| Jul 2, 2015 | Signed as free agent | Franklin Reyes | — | Chicago White Sox | Chicago White Sox signed free agent OF Franklin Reyes to a minor league contract. |
| Jul 2, 2015 | Signed as free agent | Brayant Nova | — | Chicago White Sox | Chicago White Sox signed free agent IF Brayant Nova to a minor league contract. |
| Jul 2, 2015 | Signed as free agent | Santo Vasquez | — | Chicago White Sox | Chicago White Sox signed free agent SS Santo Vasquez to a minor league contract. |
| Jul 2, 2015 | Trade | Cody Martin | Atlanta Braves | Athletics | Atlanta Braves traded RHP Cody Martin to Oakland Athletics for Other Considerations. |
| Jul 2, 2015 | Signed as free agent | Vladimir Guerrero Jr. | — | Toronto Blue Jays | Toronto Blue Jays signed free agent OF Vladimir Guerrero Jr. to a minor league contract. |
| Jul 2, 2015 | Signed as free agent | Fernando Tatis Jr. | — | Chicago White Sox | Chicago White Sox signed free agent 3B Fernando Tatis Jr. to a minor league contract. |
| Jul 2, 2015 | Signed as free agent | Trayvon Robinson | — | Detroit Tigers | Detroit Tigers signed free agent OF Trayvon Robinson to a minor league contract. |
| Jul 2, 2015 | Signed as free agent | Rico Noel | — | New York Yankees | New York Yankees signed free agent OF Rico Noel to a minor league contract. |
| Jul 2, 2015 | Signed | Josh Naylor | — | Miami Marlins | Miami Marlins signed Josh Naylor. |
| Jul 2, 2015 | Signed | Kenny Towns | — | Los Angeles Angels | Los Angeles Angels signed 3B Kenny Towns. |
| Jul 2, 2015 | Signed | Taylor Lewis | — | Atlanta Braves | Atlanta Braves signed RHP Taylor Lewis. |
| Jul 2, 2015 | Signed as free agent | Erik Kratz | — | Seattle Mariners | Seattle Mariners signed free agent C Erik Kratz to a minor league contract. |
| Jul 2, 2015 | Trade | Caleb Dirks | Atlanta Braves | Los Angeles Dodgers | Atlanta Braves traded RHP Caleb Dirks and LF Jordan Paroubeck to Los Angeles Dodgers for Other Considerations. |
| Jul 2, 2015 | Signed | Gilbert Suarez | — | Atlanta Braves | Atlanta Braves signed RHP Gilbert Suarez. |
| Jul 2, 2015 | Signed | Anthony Guardado | — | Atlanta Braves | Atlanta Braves signed RHP Anthony Guardado. |
| Jul 2, 2015 | Signed | Juan Echevarria | — | Baltimore Orioles | Baltimore Orioles signed RHP Juan Echevarria. |
| Jul 2, 2015 | Signed as free agent | Jose Velez | — | Miami Marlins | Miami Marlins signed free agent LHP Jose Velez to a minor league contract. |
| Jul 2, 2015 | Signed | Ryan Colegate | — | Cleveland Guardians | Cleveland Indians signed RHP Ryan Colegate. |
| Jul 2, 2015 | Trade | Garrett Fulenchek | Atlanta Braves | Tampa Bay Rays | Atlanta Braves traded RHP Garrett Fulenchek to Tampa Bay Rays for Other Considerations. |
| Jul 2, 2015 | Signed as free agent | Tomy Arias | — | Athletics | Oakland Athletics signed free agent CF Tomy Arias to a minor league contract. |
| Jul 2, 2015 | Signed as free agent | Mickey Jannis | — | New York Mets | New York Mets signed free agent RHP Mickey Jannis to a minor league contract. |
| Jul 2, 2015 | Signed | Travis Maezes | — | Kansas City Royals | Kansas City Royals signed SS Travis Maezes. |
| Jul 2, 2015 | Signed as free agent | Scott Atchison | — | Minnesota Twins | Minnesota Twins signed free agent RHP Scott Atchison to a minor league contract. |
| Jul 2, 2015 | Signed as free agent | Mike Antonini | — | Los Angeles Angels | Los Angeles Angels signed free agent LHP Michael Antonini to a minor league contract. |
| Jul 2, 2015 | Signed | Brandon Zajac | — | Kansas City Royals | Kansas City Royals signed LHP Brandon Zajac. |
| Jul 2, 2015 | Signed as free agent | Noel De Jesus | — | St. Louis Cardinals | St. Louis Cardinals signed free agent RHP Noel De Jesus to a minor league contract. |
| Jul 2, 2015 | Signed as free agent | Anthony Trompiz | — | St. Louis Cardinals | St. Louis Cardinals signed free agent RHP Anthony Trompiz to a minor league contract. |
| Jul 2, 2015 | Signed as free agent | Brian Pirela | — | St. Louis Cardinals | St. Louis Cardinals signed free agent RHP Brian Pirela to a minor league contract. |
| Jul 2, 2015 | Signed as free agent | Joel De La Cruz | — | Kansas City Royals | Kansas City Royals signed free agent RHP Joel De La Cruz to a minor league contract. |
| Jul 2, 2015 | Signed as free agent | Juan Florentino | — | Boston Red Sox | Boston Red Sox signed free agent RHP Juan Florentino to a minor league contract. |
| Jul 2, 2015 | Signed as free agent | Andy Taveras | — | Seattle Mariners | Seattle Mariners signed free agent RHP Andy Taveras to a minor league contract. |
| Jul 2, 2015 | Signed as free agent | Brian Bass | — | Los Angeles Dodgers | Los Angeles Dodgers signed free agent RHP Brian Bass to a minor league contract. |
| Jul 2, 2015 | Signed as free agent | Jordis Ramos | — | San Diego Padres | San Diego Padres signed free agent LHP Jordis Ramos to a minor league contract. |
| Jul 2, 2015 | Signed as free agent | Michael Martinez | — | New York Mets | New York Mets signed free agent LHP Michael Martinez to a minor league contract. |
| Jul 2, 2015 | Signed as free agent | Yaisel Mederos | — | Baltimore Orioles | Baltimore Orioles signed free agent 1B Yaisel Mederos to a minor league contract. |
| Jul 2, 2015 | Signed as free agent | Deivi García | — | New York Yankees | New York Yankees signed free agent RHP Deivi Garcia to a minor league contract. |
| Jul 2, 2015 | Signed as free agent | Rony García | — | New York Yankees | New York Yankees signed free agent RHP Rony Garcia to a minor league contract. |
| Jul 2, 2015 | Signed as free agent | Alex Mejias | — | New York Yankees | New York Yankees signed free agent RHP Alex Mejias to a minor league contract. |
| Jul 2, 2015 | Signed as free agent | Luis Ojeda | — | New York Yankees | New York Yankees signed free agent RHP Luis Ojeda to a minor league contract. |
| Jul 2, 2015 | Signed as free agent | Elvis Peguero | — | New York Yankees | New York Yankees signed free agent RHP Elvis Peguero to a minor league contract. |
| Jul 2, 2015 | Signed as free agent | Argelis Herrera | — | New York Yankees | New York Yankees signed free agent LHP Argelis Herrera to a minor league contract. |
| Jul 2, 2015 | Signed as free agent | Moises Lobo | — | New York Yankees | New York Yankees signed free agent C Moises Lobo to a minor league contract. |
| Jul 2, 2015 | Signed as free agent | Diego Duran | — | New York Yankees | New York Yankees signed free agent 2B Diego Duran to a minor league contract. |
| Jul 2, 2015 | Signed as free agent | Alfred Pujols | — | New York Yankees | New York Yankees signed free agent 3B Alfred Pujols to a minor league contract. |
| Jul 2, 2015 | Signed as free agent | Jesus Graterol | — | New York Yankees | New York Yankees signed free agent SS Jesus Graterol to a minor league contract. |
| Jul 2, 2015 | Signed as free agent | Brayan Jimenez | — | New York Yankees | New York Yankees signed free agent SS Brayan Jimenez to a minor league contract. |
| Jul 2, 2015 | Signed as free agent | Kleiber Maneiro | — | New York Yankees | New York Yankees signed free agent SS Kleiber Maneiro to a minor league contract. |
| Jul 2, 2015 | Signed as free agent | Kervin Castro | — | San Francisco Giants | San Francisco Giants signed free agent RHP Kervin Castro to a minor league contract. |
| Jul 2, 2015 | Signed as free agent | Jorge Labrador | — | San Francisco Giants | San Francisco Giants signed free agent RHP Jorge Labrador to a minor league contract. |
| Jul 2, 2015 | Signed as free agent | Oliver Pinto | — | San Francisco Giants | San Francisco Giants signed free agent RHP Oliver Pinto to a minor league contract. |
| Jul 2, 2015 | Signed as free agent | Ricardo Genovés | — | San Francisco Giants | San Francisco Giants signed free agent C Ricardo Genoves to a minor league contract. |
| Jul 2, 2015 | Signed as free agent | Nishell Gutierrez | — | San Francisco Giants | San Francisco Giants signed free agent C Nishell Gutierrez to a minor league contract. |
| Jul 2, 2015 | Signed as free agent | Lucius Fox | — | San Francisco Giants | San Francisco Giants signed free agent SS Lucius Fox to a minor league contract. |
| Jul 2, 2015 | Signed as free agent | Diego Rincones | — | San Francisco Giants | San Francisco Giants signed free agent RF Diego Rincones to a minor league contract. |
| Jul 2, 2015 | Signed as free agent | Reiver Sanmartin | — | Texas Rangers | Texas Rangers signed free agent LHP Reiver Sanmartin to a minor league contract. |
| Jul 2, 2015 | Signed as free agent | Kyle Simmons | — | Pittsburgh Pirates | Pittsburgh Pirates signed free agent SS Kyle Simmons to a minor league contract. |
| Jul 2, 2015 | Signed as free agent | Bryan Connell | — | Milwaukee Brewers | Milwaukee Brewers signed free agent OF Bryan Connell to a minor league contract. |
| Jul 2, 2015 | Signed as free agent | Aaron Familia | — | Milwaukee Brewers | Milwaukee Brewers signed free agent SS Aaron Familia to a minor league contract. |
| Jul 2, 2015 | Signed as free agent | Jesus Lujano | — | Milwaukee Brewers | Milwaukee Brewers signed free agent CF Jesus Lujano to a minor league contract. |
| Jul 2, 2015 | Signed as free agent | Luis Manon | — | Milwaukee Brewers | Milwaukee Brewers signed free agent SS Luis Manon to a minor league contract. |
| Jul 2, 2015 | Signed as free agent | Moises Perez | — | Milwaukee Brewers | Milwaukee Brewers signed free agent C Moises Perez to a minor league contract. |
| Jul 2, 2015 | Signed as free agent | Jose Sibrian | — | Milwaukee Brewers | Milwaukee Brewers signed free agent C Jose Sibrian to a minor league contract. |
| Jul 2, 2015 | Signed as free agent | Jose Abel Hernandez | — | Houston Astros | Houston Astros signed free agent OF Jose Hernandez to a minor league contract. |
| Jul 2, 2015 | Signed as free agent | Juan Soto | — | Washington Nationals | Washington Nationals signed free agent OF Juan Soto to a minor league contract. |
| Jul 2, 2015 | Signed as free agent | Leody Taveras | — | Texas Rangers | Texas Rangers signed free agent OF Leody Taveras to a minor league contract. |
| Jul 2, 2015 | Signed as free agent | Yadier Álvarez | — | Los Angeles Dodgers | Los Angeles Dodgers signed free agent RHP Yadier Alvarez to a minor league contract. |
| Jul 2, 2015 | Signed as free agent | Starling Heredia | — | Los Angeles Dodgers | Los Angeles Dodgers signed free agent OF Starling Heredia to a minor league contract. |
| Jul 2, 2015 | Signed as free agent | Keinter Olivares | — | Colorado Rockies | Colorado Rockies signed free agent LHP Keinter Olivares to a minor league contract. |
| Jul 2, 2015 | Signed as free agent | Jose Morban | — | Athletics | Oakland Athletics signed free agent RHP Jose Morban to a minor league contract. |
| Jul 2, 2015 | Signed as free agent | Oliber Guzman | — | San Diego Padres | San Diego Padres signed free agent RHP Oliber Guzman to a minor league contract. |
| Jul 2, 2015 | Signed as free agent | Daniel Montano | — | Colorado Rockies | Colorado Rockies signed free agent OF Daniel Montano to a minor league contract. |
| Jul 2, 2015 | Signed as free agent | Pedro Espinola | — | New York Yankees | New York Yankees signed free agent RHP Pedro Espinola to a minor league contract. |
| Jul 2, 2015 | Signed as free agent | Jonathan Aranda | — | Tampa Bay Rays | Tampa Bay Rays signed free agent SS Jonathan Aranda to a minor league contract. |
| Jul 2, 2015 | Signed as free agent | Francisco Villegas | — | Houston Astros | Houston Astros signed free agent LHP Francisco Villegas to a minor league contract. |
| Jul 2, 2015 | Signed as free agent | Danielito Remy | — | Cincinnati Reds | Cincinnati Reds signed free agent SS Danielito Remy to a minor league contract. |
| Jul 2, 2015 | Signed as free agent | Unnamed | — | Houston Astros | Houston Astros signed free agent RHP Humberto Castellanos to a minor league contract. |
| Jul 2, 2015 | Signed as free agent | Deyni Olivero | — | Arizona Diamondbacks | Arizona Diamondbacks signed free agent RHP Deyni Olivero to a minor league contract. |
| Jul 2, 2015 | Signed as free agent | Vicente Mota | — | Houston Astros | Houston Astros signed free agent C Vicente Mota to a minor league contract. |
| Jul 2, 2015 | Signed as free agent | Carlos Gonzalez | — | Colorado Rockies | Colorado Rockies signed free agent RHP Carlos Gonzalez to a minor league contract. |
| Jul 2, 2015 | Signed as free agent | Rayner Rodriguez | — | Miami Marlins | Miami Marlins signed free agent P Rayner Rodriguez to a minor league contract. |
| Jul 2, 2015 | Signed as free agent | Enmanuel Rodriguez | — | Miami Marlins | Miami Marlins signed free agent SS Enmanuel Rodriguez to a minor league contract. |
| Jul 2, 2015 | Signed as free agent | Miguel Figueroa | — | San Francisco Giants | San Francisco Giants signed free agent RHP Miguel Figueroa to a minor league contract. |
| Jul 2, 2015 | Signed as free agent | Jhon Garcia | — | Miami Marlins | Miami Marlins signed free agent C Jhon Garcia to a minor league contract. |
| Jul 2, 2015 | Signed as free agent | Oddanier Mosqueda | — | Boston Red Sox | Boston Red Sox signed free agent LHP Oddanier Mosqueda to a minor league contract. |
| Jul 2, 2015 | Signed as free agent | Cristhian Pedroza | — | Tampa Bay Rays | Tampa Bay Rays signed free agent 2B Cristhian Pedroza to a minor league contract. |
| Jul 2, 2015 | Signed as free agent | Andres Jimenez | — | Boston Red Sox | Boston Red Sox signed free agent RHP Andres Jimenez to a minor league contract. |
| Jul 2, 2015 | Signed as free agent | Adrian Pernalete | — | Texas Rangers | Texas Rangers signed free agent SS Adrian Pernalete to a minor league contract. |
| Jul 2, 2015 | Signed as free agent | Kleiber Rodriguez | — | Boston Red Sox | Boston Red Sox signed free agent C Kleiber Rodriguez to a minor league contract. |
| Jul 2, 2015 | Signed as free agent | Shervyen Newton | — | New York Mets | New York Mets signed free agent SS Shervyen Newton to a minor league contract. |
| Jul 2, 2015 | Signed as free agent | Luis Hernandez | — | Boston Red Sox | Boston Red Sox signed free agent SS Luis Hernandez to a minor league contract. |
| Jul 2, 2015 | Signed as free agent | Kelvin Alarcon | — | San Diego Padres | San Diego Padres signed free agent SS Kelvin Alarcon to a minor league contract. |
| Jul 2, 2015 | Signed as free agent | Junior Prenza | — | Miami Marlins | Miami Marlins signed free agent RHP Junior Prenza to a minor league contract. |
| Jul 2, 2015 | Signed as free agent | Abel Adames | — | San Francisco Giants | San Francisco Giants signed free agent RHP Abel Adames to a minor league contract. |
| Jul 2, 2015 | Signed as free agent | Willian Suarez | — | San Francisco Giants | San Francisco Giants signed free agent RHP Willian Suarez to a minor league contract. |
| Jul 2, 2015 | Signed as free agent | Anderson Reynoso | — | New York Yankees | New York Yankees signed free agent RHP Anderson Reynoso to a minor league contract. |
| Jul 2, 2015 | Signed as free agent | Jose Vilera | — | Miami Marlins | Miami Marlins signed free agent CF Jose Vilera to a minor league contract. |
| Jul 2, 2015 | Signed as free agent | Lolo Sanchez | — | Pittsburgh Pirates | Pittsburgh Pirates signed free agent OF Kevin Sanchez to a minor league contract. |
| Jul 2, 2015 | Signed as free agent | Andres Fernandez | — | New York Yankees | New York Yankees signed free agent LF Andres Fernandez to a minor league contract. |
| Jul 2, 2015 | Signed as free agent | Meure Rodriguez | — | New York Yankees | New York Yankees signed free agent C Meure Rodriguez to a minor league contract. |
| Jul 2, 2015 | Signed as free agent | Yeuris Ramirez | — | Houston Astros | Houston Astros signed free agent SS Yeuris Ramirez to a minor league contract. |
| Jul 2, 2015 | Signed as free agent | Samir Portorreal | — | Los Angeles Angels | Los Angeles Angels signed free agent P Samir Portorreal to a minor league contract. |
| Jul 2, 2015 | Signed as free agent | Luis Martinez | — | San Diego Padres | San Diego Padres signed free agent P Luis Martinez to a minor league contract. |
| Jul 2, 2015 | Signed as free agent | Wandy Moya | — | Miami Marlins | Miami Marlins signed free agent P Wandy Moya to a minor league contract. |
| Jul 2, 2015 | Signed as free agent | Reymundo Pena | — | Pittsburgh Pirates | Pittsburgh Pirates signed free agent LHP Raymundo Pena to a minor league contract. |
| Jul 2, 2015 | Signed as free agent | Carlos Narváez | — | New York Yankees | New York Yankees signed free agent C Carlos Narvaez to a minor league contract. |
| Jul 2, 2015 | Signed as free agent | Jonathan Bueno | — | Arizona Diamondbacks | Arizona Diamondbacks signed free agent SS Jonathan Bueno to a minor league contract. |
| Jul 2, 2015 | Signed as free agent | Henry Henry | — | San Diego Padres | San Diego Padres signed free agent RHP Henry Henry to a minor league contract. |
| Jul 2, 2015 | Signed as free agent | Adonis Santana | — | San Diego Padres | San Diego Padres signed free agent RHP Adonis Santana to a minor league contract. |
| Jul 2, 2015 | Signed as free agent | Luis Rodriguez | — | Los Angeles Dodgers | Los Angeles Dodgers signed free agent IF Luis Rodriguez to a minor league contract. |
| Jul 2, 2015 | Signed as free agent | Abdiel Mendoza | — | Athletics | Oakland Athletics signed free agent RHP Abdiel Mendoza to a minor league contract. |
| Jul 2, 2015 | Signed as free agent | Ever Moya | — | Colorado Rockies | Colorado Rockies signed free agent LHP Ever Moya to a minor league contract. |
| Jul 2, 2015 | Signed as free agent | Andrés Chaparro | — | New York Yankees | New York Yankees signed free agent 3B Andres Chaparro to a minor league contract. |
| Jul 2, 2015 | Signed as free agent | Kevin Arias | — | Los Angeles Angels | Los Angeles Angels signed free agent SS Kevin Arias to a minor league contract. |
| Jul 2, 2015 | Signed as free agent | Mauricio Santana | — | Houston Astros | Houston Astros signed free agent RHP Mauricio Santana to a minor league contract. |
| Jul 2, 2015 | Signed as free agent | Sherten Apostel | — | Pittsburgh Pirates | Pittsburgh Pirates signed free agent 3B Sherten Apostel to a minor league contract. |
| Jul 2, 2015 | Signed as free agent | Ronald Gutierrez | — | Boston Red Sox | Boston Red Sox signed free agent RHP Ronald Gutierrez to a minor league contract. |
| Jul 2, 2015 | Signed as free agent | Kervin Suarez | — | Boston Red Sox | Boston Red Sox signed free agent SS Kervin Suarez to a minor league contract. |
| Jul 2, 2015 | Signed as free agent | Luis Arcaya | — | Miami Marlins | Miami Marlins signed free agent C Luis Arcaya to a minor league contract. |
| Jul 2, 2015 | Signed as free agent | Hosnei Villalobos | — | Miami Marlins | Miami Marlins signed free agent P Hosnei Villalobos to a minor league contract. |
| Jul 2, 2015 | Signed as free agent | Juan Garcia | — | Tampa Bay Rays | Tampa Bay Rays signed free agent SS Juan Garcia to a minor league contract. |
| Jul 2, 2015 | Signed as free agent | Guillermo Paulino | — | Colorado Rockies | Colorado Rockies signed free agent RHP Guillermo Paulino to a minor league contract. |
| Jul 2, 2015 | Signed as free agent | Jose Pereira | — | Tampa Bay Rays | Tampa Bay Rays signed free agent SS Jose Pereira to a minor league contract. |
| Jul 2, 2015 | Signed as free agent | Carlos Ventura | — | Cleveland Guardians | Cleveland Indians signed free agent OF Carlos Ventura to a minor league contract. |
| Jul 2, 2015 | Signed as free agent | Christopher Arias | — | Los Angeles Dodgers | Los Angeles Dodgers signed free agent OF Christopher Arias to a minor league contract. |
| Jul 2, 2015 | Signed as free agent | Gioser Tejeda | — | Tampa Bay Rays | Tampa Bay Rays signed free agent C Gioser Tejeda to a minor league contract. |
| Jul 2, 2015 | Signed as free agent | Luis Martinez | — | New York Yankees | New York Yankees signed free agent RF Luis Martinez to a minor league contract. |
| Jul 2, 2015 | Signed as free agent | Pedro Diaz | — | Tampa Bay Rays | Tampa Bay Rays signed free agent OF Pedro Diaz to a minor league contract. |
| Jul 2, 2015 | Signed as free agent | Reniel Ozuna | — | Cincinnati Reds | Cincinnati Reds signed free agent OF Reniel Ozuna to a minor league contract. |
| Jul 2, 2015 | Signed as free agent | Andrés Giménez | — | New York Mets | New York Mets signed free agent SS Andres Gimenez to a minor league contract. |
| Jul 2, 2015 | Signed as free agent | Edward Lemus | — | Arizona Diamondbacks | Arizona Diamondbacks signed free agent C Edward Lemus to a minor league contract. |
| Jul 2, 2015 | Signed as free agent | Símon Muzziotti | — | Boston Red Sox | Boston Red Sox signed free agent CF Simon Muzziotti to a minor league contract. |
| Jul 2, 2015 | Signed as free agent | Adams Cuevas | — | Toronto Blue Jays | Toronto Blue Jays signed free agent P Adams Cuevas to a minor league contract. |
| Jul 2, 2015 | Signed as free agent | Miguel Aparicio | — | Texas Rangers | Texas Rangers signed free agent CF Miguel Aparicio to a minor league contract. |
| Jul 2, 2015 | Signed as free agent | Kleiner Machado | — | Pittsburgh Pirates | Pittsburgh Pirates signed free agent RHP Kleiner Machado to a minor league contract. |
| Jul 2, 2015 | Signed as free agent | Jose Cabrera | — | San Diego Padres | San Diego Padres signed free agent LHP Jose Cabrera to a minor league contract. |
| Jul 2, 2015 | Signed as free agent | Kelvin Melean | — | San Diego Padres | San Diego Padres signed free agent SS Kelvin Melean to a minor league contract. |
| Jul 2, 2015 | Signed as free agent | Albert Guaimaro | — | Boston Red Sox | Boston Red Sox signed free agent RF Albert Guaimaro to a minor league contract. |
| Jul 2, 2015 | Signed as free agent | Pedro Barrios | — | New York Yankees | New York Yankees signed free agent RHP Pedro Barrios to a minor league contract. |
| Jul 2, 2015 | Signed as free agent | Eduardo Torrealba | — | Boston Red Sox | Boston Red Sox signed free agent SS Eduardo Torrealba to a minor league contract. |
| Jul 2, 2015 | Signed as free agent | Gabriel Estrada | — | Colorado Rockies | Colorado Rockies signed free agent RHP Gabriel Estrada to a minor league contract. |
| Jul 2, 2015 | Signed as free agent | Unnamed | — | St. Louis Cardinals | St. Louis Cardinals signed free agent RHP Alvaro Seijas to a minor league contract. |
| Jul 2, 2015 | Signed as free agent | Yeudry Manzanillo | — | Pittsburgh Pirates | Pittsburgh Pirates signed free agent RHP Yeudry Manzanillo to a minor league contract. |
| Jul 2, 2015 | Signed as free agent | Luis Laurencio | — | Detroit Tigers | Detroit Tigers signed free agent 3B Luis Laurencio to a minor league contract. |
| Jul 2, 2015 | Signed as free agent | Manuel Ramirez | — | Boston Red Sox | Boston Red Sox signed free agent RHP Manuel Ramirez to a minor league contract. |
| Jul 2, 2015 | Signed as free agent | Felix Cuevas | — | Arizona Diamondbacks | Arizona Diamondbacks signed free agent RHP Felix Cuevas to a minor league contract. |
| Jul 2, 2015 | Signed as free agent | Luis Diaz | — | Pittsburgh Pirates | Pittsburgh Pirates signed free agent LHP Luis Diaz to a minor league contract. |
| Jul 2, 2015 | Signed as free agent | José Marte | — | San Francisco Giants | San Francisco Giants signed free agent RHP Jose Marte to a minor league contract. |
| Jul 2, 2015 | Signed as free agent | Ivan Fortunato | — | Seattle Mariners | Seattle Mariners signed free agent RHP Ivan Fortunato to a minor league contract. |
| Jul 2, 2015 | Signed as free agent | Luis Rijo | — | New York Yankees | New York Yankees signed free agent RHP Luis Rijo to a minor league contract. |
| Jul 2, 2015 | Signed as free agent | Ronaldo Pulgar | — | Boston Red Sox | Boston Red Sox signed free agent 2B Ronaldo Pulgar to a minor league contract. |
| Jul 2, 2015 | Signed as free agent | Juan Urena | — | Miami Marlins | Miami Marlins signed free agent SS Juan Urena to a minor league contract. |
| Jul 2, 2015 | Signed as free agent | Cristian Olivo | — | Cincinnati Reds | Cincinnati Reds signed free agent OF Cristian Olivo to a minor league contract. |
| Jul 2, 2015 | Signed as free agent | Samuel Inoa | — | Pittsburgh Pirates | Pittsburgh Pirates signed free agent C Samuel Inoa to a minor league contract. |
| Jul 2, 2015 | Signed as free agent | Mario Prenza | — | Miami Marlins | Miami Marlins signed free agent SS Mario Prenza to a minor league contract. |
| Jul 2, 2015 | Signed as free agent | Rafioby Urena | — | Athletics | Oakland Athletics signed free agent 1B Rafioby Urena to a minor league contract. |
| Jul 2, 2015 | Signed as free agent | Enrique Saldana | — | Colorado Rockies | Colorado Rockies signed free agent SS Enrique Saldana to a minor league contract. |
| Jul 2, 2015 | Signed as free agent | Christopher Quintin | — | Athletics | Oakland Athletics signed free agent SS Christopher Quintin to a minor league contract. |
| Jul 2, 2015 | Signed as free agent | Yeison Coca | — | Boston Red Sox | Boston Red Sox signed free agent SS Yeison Coca to a minor league contract. |
| Jul 2, 2015 | Signed as free agent | Adonny Rojas | — | New York Yankees | New York Yankees signed free agent RHP Adonny Rojas to a minor league contract. |
| Jul 2, 2015 | Signed as free agent | Deivi Diaz | — | New York Yankees | New York Yankees signed free agent LHP Deivi Diaz to a minor league contract. |
| Jul 2, 2015 | Signed as free agent | José Fermín | — | Cleveland Guardians | Cleveland Indians signed free agent SS Jose Fermin to a minor league contract. |
| Jul 2, 2015 | Signed as free agent | Pablo Jimenez | — | Cleveland Guardians | Cleveland Indians signed free agent OF Pablo Jimenez to a minor league contract. |
| Jul 2, 2015 | Signed as free agent | Daniel Rincon | — | Boston Red Sox | Boston Red Sox signed free agent OF Daniel Rincon to a minor league contract. |
| Jul 2, 2015 | Signed as free agent | Gregory Guerrero | — | New York Mets | New York Mets signed free agent SS Gregory Guerrero to a minor league contract. |
| Jul 2, 2015 | Signed as free agent | Pablo Arias | — | San Diego Padres | San Diego Padres signed free agent OF Pablo Arias to a minor league contract. |
| Jul 2, 2015 | Signed as free agent | Raffy Ozuna | — | St. Louis Cardinals | St. Louis Cardinals signed free agent SS Raffy Ozuna to a minor league contract. |
| Jul 2, 2015 | Signed as free agent | Luis Arias | — | Tampa Bay Rays | Tampa Bay Rays signed free agent SS Luis Arias to a minor league contract. |
| Jul 2, 2015 | Signed as free agent | Jean Montero | — | Cleveland Guardians | Cleveland Indians signed free agent OF Jean Montero to a minor league contract. |
| Jul 2, 2015 | Signed as free agent | Juan Ramirez | — | Detroit Tigers | Detroit Tigers signed free agent OF Juan Ramirez to a minor league contract. |
| Jul 2, 2015 | Signed as free agent | Edward Paredes | — | New York Yankees | New York Yankees signed free agent RHP Edward Paredes to a minor league contract. |
| Jul 2, 2015 | Signed as free agent | Wilkel Hernandez | — | Los Angeles Angels | Los Angeles Angels signed free agent RHP Wilkel Hernandez to a minor league contract. |
| Jul 2, 2015 | Signed as free agent | Daniel Santos | — | Seattle Mariners | Seattle Mariners signed free agent C Daniel Santos to a minor league contract. |
| Jul 2, 2015 | Signed as free agent | Luis Oviedo | — | Cleveland Guardians | Cleveland Indians signed free agent RHP Luis Oviedo to a minor league contract. |
| Jul 2, 2015 | Signed as free agent | Gresuan Silverio | — | Detroit Tigers | Detroit Tigers signed free agent C Gresuan Silverio to a minor league contract. |
| Jul 2, 2015 | Signed as free agent | Aldo Espinoza | — | Los Angeles Dodgers | Los Angeles Dodgers signed free agent 2B Aldo Espinoza to a minor league contract. |
| Jul 2, 2015 | Signed as free agent | Larry Alcime | — | Pittsburgh Pirates | Pittsburgh Pirates signed free agent OF Larry Alcime to a minor league contract. |
| Jul 2, 2015 | Signed as free agent | Luis Aquino | — | Washington Nationals | Washington Nationals signed free agent SS Luis Aquino to a minor league contract. |
| Jul 2, 2015 | Signed as free agent | Roberto Espinosa | — | New York Yankees | New York Yankees signed free agent C Roberto Espinosa to a minor league contract. |
| Jul 2, 2015 | Signed as free agent | Jesús Bastidas | — | New York Yankees | New York Yankees signed free agent SS Jesus Bastidas to a minor league contract. |
| Jul 2, 2015 | Signed as free agent | Cesar Gonzalez | — | Boston Red Sox | Boston Red Sox signed free agent RHP Cesar Gonzalez to a minor league contract. |
| Jul 2, 2015 | Signed as free agent | Johan Herrera | — | San Francisco Giants | San Francisco Giants signed free agent RHP Johan Herrera to a minor league contract. |
| Jul 2, 2015 | Signed as free agent | Robinson Batista | — | San Francisco Giants | San Francisco Giants signed free agent SS Robinson Batista to a minor league contract. |
| Jul 2, 2015 | Signed as free agent | Jhosner Vargas | — | Tampa Bay Rays | Tampa Bay Rays signed free agent IF Jhosner Vargas to a minor league contract. |
| Jul 2, 2015 | Signed as free agent | Enmanuel Valdez | — | Houston Astros | Houston Astros signed free agent SS Enmanuel Valdez to a minor league contract. |
| Jul 2, 2015 | Signed as free agent | Reinaldo Ilarraza | — | San Diego Padres | San Diego Padres signed free agent 2B Reinaldo Ilarraza to a minor league contract. |
| Jul 2, 2015 | Signed as free agent | Giovanni Diaz | — | Cincinnati Reds | Cincinnati Reds signed free agent SS Giovanni Diaz to a minor league contract. |
| Jul 2, 2015 | Signed as free agent | Jesus Munoz | — | Arizona Diamondbacks | Arizona Diamondbacks signed free agent OF Jesus Munoz to a minor league contract. |
| Jul 2, 2015 | Signed as free agent | Oneil Cruz | — | Los Angeles Dodgers | Los Angeles Dodgers signed free agent SS Oneil Cruz to a minor league contract. |
| Jul 2, 2015 | Signed as free agent | Gabriel Gonzalez | — | New York Yankees | New York Yankees signed free agent RHP Gabriel Gonzalez to a minor league contract. |
| Jul 2, 2015 | Signed as free agent | Yeison Estevez | — | Toronto Blue Jays | Toronto Blue Jays signed free agent SS Yeison Estevez to a minor league contract. |
| Jul 2, 2015 | Signed as free agent | Luis Leon | — | Tampa Bay Rays | Tampa Bay Rays signed free agent SS Luis Leon to a minor league contract. |
| Jul 2, 2015 | Signed as free agent | Oswaldo Cabrera | — | New York Yankees | New York Yankees signed free agent SS Oswaldo Cabrera to a minor league contract. |
| Jul 2, 2015 | Signed as free agent | Leandro Pina | — | Pittsburgh Pirates | Pittsburgh Pirates signed free agent RHP Leandro Pina to a minor league contract. |
| Jul 2, 2015 | Signed as free agent | Everlouis Lozada | — | Boston Red Sox | Boston Red Sox signed free agent 2B Everlouis Lozada to a minor league contract. |
| Jul 2, 2015 | Signed as free agent | Raymond Lopez | — | Kansas City Royals | Kansas City Royals signed free agent CF Raymond Lopez to a minor league contract. |
| Jul 2, 2015 | Signed as free agent | Wander Javier | — | Minnesota Twins | Minnesota Twins signed free agent SS Wander Javier to a minor league contract. |
| Jul 2, 2015 | Signed as free agent | Raider Brito | — | Tampa Bay Rays | Tampa Bay Rays signed free agent OF Raider Brito to a minor league contract. |
| Jul 2, 2015 | Signed as free agent | Wilfry Cruz | — | Arizona Diamondbacks | Arizona Diamondbacks signed free agent RHP Wilfry Cruz to a minor league contract. |
| Jul 2, 2015 | Signed as free agent | Eris Filpo | — | Colorado Rockies | Colorado Rockies signed free agent RHP Eris Filpo to a minor league contract. |
| Jul 2, 2015 | Signed as free agent | Jose Briceno | — | Toronto Blue Jays | Toronto Blue Jays signed free agent OF Jose Briceno to a minor league contract. |
| Jul 2, 2015 | Signed as free agent | Wiklerman Rasquin | — | Miami Marlins | Miami Marlins signed free agent OF Wiklerman Rasquin to a minor league contract. |
| Jul 2, 2015 | Signed as free agent | Bryan Biegel | — | Miami Marlins | Miami Marlins signed free agent OF Bryan Biegel to a minor league contract. |
| Jul 2, 2015 | Signed as free agent | Carlos Vargas | — | Seattle Mariners | Seattle Mariners signed free agent SS Carlos Vargas to a minor league contract. |
| Jul 2, 2015 | Signed as free agent | Ronny Brito | — | Los Angeles Dodgers | Los Angeles Dodgers signed free agent SS Ronny Brito to a minor league contract. |
| Jul 2, 2015 | Signed as free agent | Cristian Plasencio | — | Cincinnati Reds | Cincinnati Reds signed free agent P Cristian Plasencio to a minor league contract. |
| Jul 2, 2015 | Signed as free agent | Dawry Done | — | Arizona Diamondbacks | Arizona Diamondbacks signed free agent RHP Dawry Done to a minor league contract. |
| Jul 2, 2015 | Signed as free agent | Edward Cabrera | — | Miami Marlins | Miami Marlins signed free agent P Edward Cabrera to a minor league contract. |
| Jul 2, 2015 | Signed as free agent | Francisco Ventura | — | Texas Rangers | Texas Rangers signed free agent C Francisco Ventura to a minor league contract. |
| Jul 2, 2015 | Signed as free agent | Carlos De La Cruz | — | Arizona Diamondbacks | Arizona Diamondbacks signed free agent RHP Carlos De La Cruz to a minor league contract. |
| Jul 2, 2015 | Signed as free agent | Wascar De Leon | — | San Francisco Giants | San Francisco Giants signed free agent SS Wascar De Leon to a minor league contract. |
| Jul 2, 2015 | Signed as free agent | Simon Rojas | — | New York Yankees | New York Yankees signed free agent RF Simon Rojas to a minor league contract. |
| Jul 2, 2015 | Signed as free agent | Jonelvy Molina | — | Toronto Blue Jays | Toronto Blue Jays signed free agent C Jonelvy Molina to a minor league contract. |
| Jul 2, 2015 | Signed as free agent | Luis De Los Santos | — | Toronto Blue Jays | Toronto Blue Jays signed free agent OF Luis De Los Santos to a minor league contract. |
| Jul 2, 2015 | Signed as free agent | Felix Abreu | — | Cincinnati Reds | Cincinnati Reds signed free agent OF Felix Abreu to a minor league contract. |
| Jul 2, 2015 | Signed as free agent | Franklin Labour | — | San Francisco Giants | San Francisco Giants signed free agent RF Franklin Labour to a minor league contract. |
| Jul 2, 2015 | Signed as free agent | Carlos Rincon | — | Los Angeles Dodgers | Los Angeles Dodgers signed free agent RF Carlos Rincon to a minor league contract. |
| Jul 2, 2015 | Signed as free agent | Esmerlin Gonzalez | — | Arizona Diamondbacks | Arizona Diamondbacks signed free agent SS Esmerlin Gonzalez to a minor league contract. |
| Jul 2, 2015 | Signed as free agent | Pedro Castellanos | — | Boston Red Sox | Boston Red Sox signed free agent OF Pedro Castellanos to a minor league contract. |
| Jul 2, 2015 | Signed as free agent | Mc Gregory Contreras | — | Toronto Blue Jays | Toronto Blue Jays signed free agent LF Mc Gregory Contreras to a minor league contract. |
| Jul 2, 2015 | Signed as free agent | Adolfo Hernandez | — | San Diego Padres | San Diego Padres signed free agent LHP Adolfo Hernandez to a minor league contract. |
| Jul 2, 2015 | Signed as free agent | Yonal De Leon | — | Arizona Diamondbacks | Arizona Diamondbacks signed free agent RHP Yonal De Leon to a minor league contract. |
| Jul 2, 2015 | Signed as free agent | Yhordegny Kelly | — | Toronto Blue Jays | Toronto Blue Jays signed free agent P Yhordegny Kelly to a minor league contract. |
| Jul 2, 2015 | Signed as free agent | Miguel De Los Santos | — | Miami Marlins | Miami Marlins signed free agent SS Miguel De Los Santos to a minor league contract. |
| Jul 2, 2015 | Signed as free agent | Geraldo Sanchez | — | Arizona Diamondbacks | Arizona Diamondbacks signed free agent RHP Geraldo Sanchez to a minor league contract. |
| Jul 2, 2015 | Signed as free agent | Francis Jones | — | Cincinnati Reds | Cincinnati Reds signed free agent P Francis Jones to a minor league contract. |
| Jul 2, 2015 | Signed as free agent | Ramón Rosso | — | Los Angeles Dodgers | Los Angeles Dodgers signed free agent RHP Ramon Rosso to a minor league contract. |
| Jul 2, 2015 | Signed as free agent | Unnamed | — | Arizona Diamondbacks | Arizona Diamondbacks signed free agent RHP Deyni Olivero to a minor league contract. |
| Jul 2, 2015 | Signed | Alvaro Seijas | — | St. Louis Cardinals | St. Louis Cardinals signed RHP Alvaro Seijas. |
| Jul 2, 2015 | Signed as free agent | Humberto Castellanos | — | Houston Astros | Houston Astros signed free agent RHP Humberto Castellanos to a minor league contract. |
| Jul 2, 2015 | Signed as free agent | Antonio Santos | — | Colorado Rockies | Colorado Rockies signed free agent RHP Antonio Santos to a minor league contract. |
| Jul 2, 2015 | Signed | Joe McCarthy | — | Tampa Bay Rays | Tampa Bay Rays signed OF Joe McCarthy. |
| Jul 1, 2015 | Signed | Thomas Eshelman | — | Houston Astros | Houston Astros signed Thomas Eshelman. |
| Jul 1, 2015 | Signed as free agent | Andrew Thome | — | Houston Astros | Houston Astros signed free agent RHP Andrew Thome to a minor league contract. |
| Jul 1, 2015 | Signed | Alex Bisacca | — | New York Yankees | New York Yankees signed RHP Alex Bisacca. |
| Jul 1, 2015 | Signed | Tyler Ferguson | — | Texas Rangers | Texas Rangers signed RHP Tyler Ferguson. |
| Jul 1, 2015 | Signed as free agent | Chris Perez | — | Baltimore Orioles | Baltimore Orioles signed free agent RHP Chris Perez to a minor league contract. |
| Jul 1, 2015 | Signed as free agent | Manny Argomaniz | — | New York Yankees | New York Yankees signed free agent C Manny Argomaniz to a minor league contract. |
| Jul 1, 2015 | Signed as free agent | Garrett Hope | — | Los Angeles Dodgers | Los Angeles Dodgers signed free agent C Garrett Hope to a minor league contract. |
| Jul 1, 2015 | Signed | Ryan Caldwell | — | Tampa Bay Rays | Tampa Bay Rays signed CF Ryan Caldwell. |
| Jul 1, 2015 | Signed | Eric Hanhold | — | Milwaukee Brewers | Milwaukee Brewers signed RHP Eric Hanhold. |
| Jun 30, 2015 | Signed | Daniel Zamora | — | Pittsburgh Pirates | Pittsburgh Pirates signed LHP Daniel Zamora. |
| Jun 30, 2015 | Signed | Max Schrock | — | Washington Nationals | Washington Nationals signed SS Max Schrock. |
| Jun 30, 2015 | Signed | Melvin Rodriguez | — | Washington Nationals | Washington Nationals signed 2B Melvin Rodriguez. |
| Jun 30, 2015 | Signed | Jake Jefferies | — | Washington Nationals | Washington Nationals signed 2B Jake Jefferies. |
| Jun 30, 2015 | Signed | A.J. Simcox | — | Detroit Tigers | Detroit Tigers signed SS Austin Simcox. |
| Jun 30, 2015 | Signed as free agent | Ryan Hafner | — | Miami Marlins | Miami Marlins signed free agent RHP Ryan Hafner to a minor league contract. |
| Jun 30, 2015 | Signed | Garrett Whitley | — | Tampa Bay Rays | Tampa Bay Rays signed OF Garrett Whitley. |
| Jun 30, 2015 | Signed | Daz Cameron | — | Houston Astros | Houston Astros signed OF Daz Cameron. |
| Jun 30, 2015 | Signed | Richie Martin Jr. | — | Athletics | Oakland Athletics signed SS Richie Martin. |
| Jun 30, 2015 | Signed | Triston McKenzie | — | Cleveland Guardians | Cleveland Indians signed RHP Triston McKenzie. |
| Jun 30, 2015 | Signed | Andrew Benintendi | — | Boston Red Sox | Boston Red Sox signed OF Andrew Benintendi. |
| Jun 30, 2015 | Signed | Austin Rei | — | Boston Red Sox | Boston Red Sox signed C Austin Rei. |
| Jun 30, 2015 | Signed | Andrew Noviello | — | Boston Red Sox | Boston Red Sox signed C Andrew Noviello. |
| Jun 30, 2015 | Signed | Bobby Poyner | — | Boston Red Sox | Boston Red Sox signed LHP Bobby Poyner. |
| Jun 30, 2015 | Signed | Tyler Spoon | — | Boston Red Sox | Boston Red Sox signed OF Tyler Spoon. |
| Jun 30, 2015 | Signed | Imani Abdullah | — | Los Angeles Dodgers | Los Angeles Dodgers signed RHP Imani Abdullah. |
| Jun 30, 2015 | Signed | Nolan Long | — | Los Angeles Dodgers | Los Angeles Dodgers signed RHP Nolan Long. |
| Jun 30, 2015 | Signed | Tyler Phillips | — | Texas Rangers | Texas Rangers signed RHP Tyler Phillips. |
| Jun 30, 2015 | Signed as free agent | Joey Falcone | — | New York Yankees | New York Yankees signed free agent OF Joseph Falcone to a minor league contract. |
| Jun 30, 2015 | Signed | Xavier Borde | — | Baltimore Orioles | Baltimore Orioles signed LHP Xavier Borde. |
| Jun 30, 2015 | Signed | Steven Klimek | — | Baltimore Orioles | Baltimore Orioles signed RHP Steven Klimek. |
| Jun 30, 2015 | Signed | Will Shepley | — | Baltimore Orioles | Baltimore Orioles signed LHP Will Shepley. |
| Jun 30, 2015 | Signed | Kory Groves | — | Baltimore Orioles | Baltimore Orioles signed RHP Kory Groves. |
| Jun 30, 2015 | Signed | Matthew Foley | — | Miami Marlins | Miami Marlins signed Matthew Foley. |
| Jun 30, 2015 | Signed | Kade Scivicque | — | Detroit Tigers | Detroit Tigers signed C Kade Scivicque. |
| Jun 30, 2015 | Signed as free agent | Trevor Cahill | — | Los Angeles Dodgers | Los Angeles Dodgers signed free agent RHP Trevor Cahill to a minor league contract. |
| Jun 29, 2015 | Signed as free agent | Angel Perez | — | Atlanta Braves | Atlanta Braves signed free agent SS Angel Perez to a minor league contract. |
| Jun 29, 2015 | Signed | Harrison Bader | — | St. Louis Cardinals | St. Louis Cardinals signed OF Harrison Bader. |
| Jun 29, 2015 | Signed | Alberto Gonzalez | — | Detroit Tigers | Detroit Tigers signed SS Alberto Gonzalez. |
| Jun 29, 2015 | Signed | Aaron Rhodes | — | Los Angeles Angels | Los Angeles Angels signed RHP Aaron Rhodes. |
| Jun 29, 2015 | Signed | Nick Vespi | — | Baltimore Orioles | Baltimore Orioles signed LHP Nick Vespi. |
| Jun 29, 2015 | Signed | Rocky McCord | — | Baltimore Orioles | Baltimore Orioles signed RHP Rocky McCord. |
| Jun 29, 2015 | Signed | Michael Costello | — | Baltimore Orioles | Baltimore Orioles signed RHP Michael Costello. |
| Jun 29, 2015 | Signed | Jason Heinrich | — | Baltimore Orioles | Baltimore Orioles signed Jason Heinrich. |
| Jun 29, 2015 | Signed | Thomas Szapucki | — | New York Mets | New York Mets signed LHP Thomas Szapucki. |
| Jun 29, 2015 | Signed as free agent | Jan Guerrero | — | Philadelphia Phillies | Philadelphia Phillies signed free agent 1B Jan Guerrero to a minor league contract. |
| Jun 29, 2015 | Signed | Charles Galiano | — | Milwaukee Brewers | Milwaukee Brewers signed C Charles Galiano. |
| Jun 29, 2015 | Signed as free agent | Luke Murton | — | Boston Red Sox | Boston Red Sox signed free agent 1B Luke Murton to a minor league contract. |
| Jun 29, 2015 | Signed as free agent | Cameron Pongs | — | New York Yankees | New York Yankees signed free agent LHP Cameron Pongs to a minor league contract. |
| Jun 29, 2015 | Signed as free agent | Carlos Pena | — | Washington Nationals | Washington Nationals signed free agent RHP Carlos Pena to a minor league contract. |
| Jun 29, 2015 | Signed as free agent | Evan Parker | — | Milwaukee Brewers | Milwaukee Brewers signed free agent RHP Evan Parker to a minor league contract. |
| Jun 29, 2015 | Signed | Bryce Denton | — | St. Louis Cardinals | St. Louis Cardinals signed 3B Bryce Denton. |
| Jun 29, 2015 | Signed as free agent | Cody Brickhouse | — | San Francisco Giants | San Francisco Giants signed free agent C Cody Brickhouse to a minor league contract. |
| Jun 28, 2015 | Signed | DJ Stewart | — | Baltimore Orioles | Baltimore Orioles signed CF D.J. Stewart. |
| Jun 28, 2015 | Released | Scott Atchison | — | Cleveland Guardians | Cleveland Indians released RHP Scott Atchison. |
| Jun 28, 2015 | Signed | Matt Winn | — | San Francisco Giants | San Francisco Giants signed C Matt Winn. |
| Jun 28, 2015 | Signed | Matt Walker | — | Seattle Mariners | Seattle Mariners signed RHP Matt Walker. |
| Jun 28, 2015 | Signed | Tyler Cyr | — | San Francisco Giants | San Francisco Giants signed RHP Tyler Cyr. |
| Jun 27, 2015 | Signed | Andrew Lee | — | Washington Nationals | Washington Nationals signed RHP Andrew Lee. |
| Jun 27, 2015 | Signed | Dalton DiNatale | — | Washington Nationals | Washington Nationals signed 3B Dalton DiNatale. |
| Jun 27, 2015 | Signed | Josh Tobias | — | Philadelphia Phillies | Philadelphia Phillies signed Josh Tobias. |
| Jun 27, 2015 | Signed | Mark Laird | — | Philadelphia Phillies | Philadelphia Phillies signed OF Mark Laird. |
| Jun 27, 2015 | Signed | Phil Bickford | — | San Francisco Giants | San Francisco Giants signed RHP Phil Bickford. |
| Jun 27, 2015 | Signed as free agent | Drew Heid | — | Philadelphia Phillies | Philadelphia Phillies signed free agent OF Drew Heid to a minor league contract. |
| Jun 27, 2015 | Signed | Bobby Wernes | — | Houston Astros | Houston Astros signed 3B Bobby Wernes. |
| Jun 27, 2015 | Signed as free agent | Phil Coke | — | Athletics | Oakland Athletics signed free agent LHP Phil Coke to a minor league contract. |
| Jun 27, 2015 | Signed | Tyler Alexander | — | Detroit Tigers | Detroit Tigers signed LHP Tyler Alexander. |
| Jun 27, 2015 | Signed | Trey Teakell | — | Detroit Tigers | Detroit Tigers signed RHP Trey Teakell. |
| Jun 27, 2015 | Signed as free agent | David Olmedo-Barrera | — | Tampa Bay Rays | Tampa Bay Rays signed free agent OF David Olmedo-Barrera to a minor league contract. |
| Jun 27, 2015 | Signed | Dalton Kelly | — | Seattle Mariners | Seattle Mariners signed 1B Dalton Kelly. |
| Jun 27, 2015 | Signed | Jeff Burke | — | San Francisco Giants | San Francisco Giants signed RHP Jeff Burke. |
| Jun 26, 2015 | Signed | Terrance Robertson | — | New York Yankees | New York Yankees signed OF Terrance Robertson. |
| Jun 26, 2015 | Signed | Riley Ferrell | — | Houston Astros | Houston Astros signed RHP Riley Ferrell. |
| Jun 26, 2015 | Signed | Ryan Halstead | — | San Francisco Giants | San Francisco Giants signed RHP Ryan Halstead. |
| Jun 26, 2015 | Signed | Cory Taylor | — | San Francisco Giants | San Francisco Giants signed RHP Cory Taylor. |
| Jun 26, 2015 | Signed | Chris Shaw | — | San Francisco Giants | San Francisco Giants signed OF Christopher Shaw. |
| Jun 26, 2015 | Signed | A.J. Kennedy | — | San Diego Padres | San Diego Padres signed C Allan Kennedy. |
| Jun 26, 2015 | Signed | Demarcus Evans | — | Texas Rangers | Texas Rangers signed RHP Demarcus Evans. |
| Jun 26, 2015 | Signed | Keaton Jones | — | Detroit Tigers | Detroit Tigers signed SS Keaton Jones. |
| Jun 26, 2015 | Signed | Dalton Blumenfeld | — | Los Angeles Angels | Los Angeles Angels signed C Dalton Blumenfeld. |
| Jun 26, 2015 | Signed | Matt Pirro | — | Washington Nationals | Washington Nationals signed RHP Matt Pirro. |
| Jun 26, 2015 | Signed | Will Dennis | — | Baltimore Orioles | Baltimore Orioles signed LHP Will Dennis. |
| Jun 26, 2015 | Signed | Reid Love | — | Baltimore Orioles | Baltimore Orioles signed LHP Reid Love. |
| Jun 26, 2015 | Signed | Jay Flaa | — | Baltimore Orioles | Baltimore Orioles signed RHP Jay Flaa. |
| Jun 26, 2015 | Signed | Christian Turnipseed | — | Baltimore Orioles | Baltimore Orioles signed RHP Christian Turnipseed. |
| Jun 26, 2015 | Signed as free agent | Michael Schaub | — | New York Yankees | New York Yankees signed free agent RHP Michael Schaub to a minor league contract. |
| Jun 26, 2015 | Signed as free agent | Alberto Gonzalez | — | Detroit Tigers | Detroit Tigers signed free agent 2B Alberto Gonzalez to a minor league contract. |
| Jun 26, 2015 | Signed as free agent | Nicholas Andros | — | Kansas City Royals | Kansas City Royals signed free agent LHP Nicholas Andros to a minor league contract. |
| Jun 25, 2015 | Signed | Max Watt | — | Boston Red Sox | Boston Red Sox signed RHP Max Watt. |
| Jun 25, 2015 | Signed | Kyri Washington | — | Boston Red Sox | Boston Red Sox signed OF Kyri Washington. |
| Jun 25, 2015 | Signed as free agent | Jonathan Meyer | — | Texas Rangers | Texas Rangers signed free agent 3B Jonathan Meyer to a minor league contract. |
| Jun 25, 2015 | Signed | Koda Glover | — | Washington Nationals | Washington Nationals signed RHP Koda Glover. |
| Jun 25, 2015 | Signed | Kevin Mooney | — | Washington Nationals | Washington Nationals signed RHP Kevin Mooney. |
| Jun 25, 2015 | Signed | Andrew Stevenson | — | Washington Nationals | Washington Nationals signed OF Andrew Stevenson. |
| Jun 25, 2015 | Signed as free agent | Juan Taveras | — | Baltimore Orioles | Baltimore Orioles signed free agent RHP Juan Taveras to a minor league contract. |
| Jun 25, 2015 | Signed | Donnie Dewees | — | Chicago Cubs | Chicago Cubs signed OF Donnie Dewees. |
| Jun 25, 2015 | Signed | D.J. Wilson | — | Chicago Cubs | Chicago Cubs signed OF Darryl Wilson. |
| Jun 25, 2015 | Signed | Tyler Peitzmeier | — | Chicago Cubs | Chicago Cubs signed LHP Tyler Peitzmeier. |
| Jun 25, 2015 | Signed | Matt Rose | — | Chicago Cubs | Chicago Cubs signed RHP Matt Rose. |
| Jun 25, 2015 | Signed | Kyle Twomey | — | Chicago Cubs | Chicago Cubs signed LHP Kyle Twomey. |
| Jun 25, 2015 | Signed | Kyle Miller | — | Chicago Cubs | Chicago Cubs signed RHP Kyle Miller. |
| Jun 25, 2015 | Signed | Alex Bautista | — | Chicago Cubs | Chicago Cubs signed OF Alex Bautista. |
| Jun 25, 2015 | Signed | Daniel Spingola | — | Chicago Cubs | Chicago Cubs signed OF Daniel Spingola. |
| Jun 25, 2015 | Signed | Sutton Whiting | — | Chicago Cubs | Chicago Cubs signed 2B Sutton Whiting. |
| Jun 25, 2015 | Signed | Ian Rice | — | Chicago Cubs | Chicago Cubs signed C Ian Rice. |
| Jun 25, 2015 | Signed | Tyler Payne | — | Chicago Cubs | Chicago Cubs signed C Tyler Payne. |
| Jun 25, 2015 | Signed | M.T. Minacci | — | Chicago Cubs | Chicago Cubs signed RHP M.T. Minacci. |
| Jun 25, 2015 | Signed | Donnie Cimino | — | Chicago Cubs | Chicago Cubs signed OF Donnie Cimino. |
| Jun 25, 2015 | Signed | Alex Bregman | — | Houston Astros | Houston Astros signed SS Alex Bregman. |
| Jun 25, 2015 | Signed | Kamran Young | — | Minnesota Twins | Minnesota Twins signed OF Kamran Young. |
| Jun 25, 2015 | Signed | George Iskenderian | — | Milwaukee Brewers | Milwaukee Brewers signed SS George Iskenderian. |
| Jun 25, 2015 | Signed | Jake Drossner | — | Milwaukee Brewers | Milwaukee Brewers signed LHP Jake Drossner. |
| Jun 25, 2015 | Trade | Marc Krauss | Los Angeles Angels | Tampa Bay Rays | Los Angeles Angels traded 1B Marc Krauss to Tampa Bay Rays for RHP Kyle Winkler. |
| Jun 25, 2015 | Signed | Calvin Copping | — | Washington Nationals | Washington Nationals signed RHP Calvin Copping. |
| Jun 25, 2015 | Signed | Taylor Guilbeau | — | Washington Nationals | Washington Nationals signed LHP Taylor Guilbeau. |
| Jun 25, 2015 | Signed | Taylor Hearn | — | Washington Nationals | Washington Nationals signed Taylor Hearn. |
| Jun 25, 2015 | Signed | Seamus Curran | — | Baltimore Orioles | Baltimore Orioles signed 1B Seamus Curran. |
| Jun 25, 2015 | Signed | Alec Kisena | — | Detroit Tigers | Detroit Tigers signed RHP Alec Kisena. |
| Jun 25, 2015 | Signed | Brandon Lowe | — | Tampa Bay Rays | Tampa Bay Rays signed 2B Brandon Lowe. |
| Jun 25, 2015 | Signed | Peter Lambert | — | Colorado Rockies | Colorado Rockies signed RHP Peter Lambert. |
| Jun 24, 2015 | Signed | Justin Garza | — | Cleveland Guardians | Cleveland Indians signed RHP Justin Garza. |
| Jun 24, 2015 | Signed | Garrett Kennedy | — | Los Angeles Dodgers | Los Angeles Dodgers signed C Garrett Kennedy. |
| Jun 24, 2015 | Signed | Zac Person | — | Houston Astros | Houston Astros signed LHP Zac Person. |
| Jun 24, 2015 | Signed | Lean Marrero | — | Minnesota Twins | Minnesota Twins signed OF Lean Marrero. |
| Jun 24, 2015 | Signed | Tony Santillan | — | Cincinnati Reds | Cincinnati Reds signed RHP Antonio Santillan. |
| Jun 24, 2015 | Signed | Ian Kahaloa | — | Cincinnati Reds | Cincinnati Reds signed RHP Ian Kahaloa. |
| Jun 24, 2015 | Signed | Alexis Díaz | — | Cincinnati Reds | Cincinnati Reds signed RHP Alexis Diaz. |
| Jun 24, 2015 | Signed | Ryan McCarvel | — | St. Louis Cardinals | St. Louis Cardinals signed C Ryan McCarvel. |
| Jun 24, 2015 | Signed | Chris Chinea | — | St. Louis Cardinals | St. Louis Cardinals signed C Chris Chinea. |
| Jun 24, 2015 | Signed | Zach Taylor | — | Milwaukee Brewers | Milwaukee Brewers signed C Zach Taylor. |
| Jun 24, 2015 | Signed | Ricky Eusebio | — | Seattle Mariners | Seattle Mariners signed CF Ricky Eusebio. |
| Jun 24, 2015 | Released | Edison Cuevas | — | Atlanta Braves | Atlanta Braves released OF Edison Cuevas. |
| Jun 24, 2015 | Signed | David Hill | — | Colorado Rockies | Colorado Rockies signed RHP David Hill. |
| Jun 24, 2015 | Signed | Danny Young | — | Toronto Blue Jays | Toronto Blue Jays signed LHP Daniel Young. |
| Jun 24, 2015 | Signed as free agent | Derek Eitel | — | Milwaukee Brewers | Milwaukee Brewers signed free agent RHP Derek Eitel to a minor league contract. |
| Jun 24, 2015 | Signed | Michael Foster | — | Chicago Cubs | Chicago Cubs signed CF Michael Foster. |
| Jun 24, 2015 | Signed as free agent | Tristan Graham | — | Baltimore Orioles | Baltimore Orioles signed free agent OF Tristan Omeasoo to a minor league contract. |
| Jun 24, 2015 | Signed | Scott Heineman | — | Texas Rangers | Texas Rangers signed OF Scott Heineman. |
| Jun 24, 2015 | Signed | David Thompson | — | New York Mets | New York Mets signed 3B David Thompson. |
| Jun 23, 2015 | Signed as free agent | Ford Stainback | — | Houston Astros | Houston Astros signed free agent 2B Ford Stainback to a minor league contract. |
| Jun 23, 2015 | Signed as free agent | Kendry Herrera | — | Arizona Diamondbacks | Arizona Diamondbacks signed free agent C Kendry Herrera to a minor league contract. |
| Jun 23, 2015 | Signed | Michael Vinson | — | Detroit Tigers | Detroit Tigers signed RHP Michael Vinson. |
| Jun 23, 2015 | Signed | Ian Oxnevad | — | St. Louis Cardinals | St. Louis Cardinals signed LHP Ian Oxnevad. |
| Jun 23, 2015 | Signed | Devin Davis | — | Tampa Bay Rays | Tampa Bay Rays signed 1B Devin Davis. |
| Jun 23, 2015 | Signed as free agent | Tanner Witt | — | Baltimore Orioles | Baltimore Orioles signed free agent 2B Tanner Witt to a minor league contract. |
| Jun 23, 2015 | Signed | Jared Foster | — | Los Angeles Angels | Los Angeles Angels signed 2B Jared Foster. |
| Jun 23, 2015 | Signed | Anthony Dimino | — | New York Mets | New York Mets signed C Anthony Dimino. |
| Jun 23, 2015 | Signed as free agent | Kyle Kubat | — | Kansas City Royals | Kansas City Royals signed free agent LHP Kyle Kubat to a minor league contract. |
| Jun 23, 2015 | Signed as free agent | Keaton Aldridge | — | New York Mets | New York Mets signed free agent RHP Keaton Aldridge to a minor league contract. |
| Jun 22, 2015 | Signed | Garrett Russini | — | Pittsburgh Pirates | Pittsburgh Pirates signed C Garrett Russini. |
| Jun 22, 2015 | Signed | Nicholos Hamilton | — | Boston Red Sox | Boston Red Sox signed OF Nicholos Hamilton. |
| Jun 22, 2015 | Signed | Jerry Downs | — | Boston Red Sox | Boston Red Sox signed OF Jerry Downs. |
| Jun 22, 2015 | Signed | Chris Madera | — | Boston Red Sox | Boston Red Sox signed OF Chris Madera. |
| Jun 22, 2015 | Signed | Terry Bennett | — | Miami Marlins | Miami Marlins signed CF Tony Bennett. |
| Jun 22, 2015 | Signed | Zeek White | — | Miami Marlins | Miami Marlins signed CF Isaiah White. |
| Jun 22, 2015 | Signed | Justin Cohen | — | Miami Marlins | Miami Marlins signed C Justin Cohen. |
| Jun 22, 2015 | Signed | Ryan McKay | — | Miami Marlins | Miami Marlins signed RHP Ryan McKay. |
| Jun 22, 2015 | Signed | Chris Paddack | — | Miami Marlins | Miami Marlins signed Chris Paddack. |
| Jun 22, 2015 | Signed | RJ Peace | — | Miami Marlins | Miami Marlins signed RHP RJ Peace. |
| Jun 22, 2015 | Signed | Kelvin Rivas | — | Miami Marlins | Miami Marlins signed RHP Kelvin Rivas. |
| Jun 22, 2015 | Signed | Jaylen Ferguson | — | Baltimore Orioles | Baltimore Orioles signed RF Jaylen Ferguson. |
| Jun 22, 2015 | Signed | Branden Becker | — | Baltimore Orioles | Baltimore Orioles signed SS Branden Becker. |
| Jun 22, 2015 | Signed | Frank Crinella | — | Baltimore Orioles | Baltimore Orioles signed 2B Frank Crinella. |
| Jun 22, 2015 | Signed | Jack Graham | — | Baltimore Orioles | Baltimore Orioles signed 2B Jack Graham. |
| Jun 22, 2015 | Signed as free agent | Cody Hamlin | — | New York Yankees | New York Yankees signed free agent RHP Cody Hamlin to a minor league contract. |
| Jun 22, 2015 | Signed as free agent | Grady Sizemore | — | Tampa Bay Rays | Tampa Bay Rays signed free agent RF Grady Sizemore to a minor league contract. |
| Jun 22, 2015 | Signed | Daniel Zandona | — | Boston Red Sox | Boston Red Sox signed RHP Daniel Zandona. |
| Jun 22, 2015 | Signed as free agent | Connor McKay | — | Texas Rangers | Texas Rangers signed free agent OF Connor McKay to a minor league contract. |
| Jun 22, 2015 | Signed | Brendon Davis | — | Los Angeles Dodgers | Los Angeles Dodgers signed 3B Brendon Davis. |
| Jun 22, 2015 | Signed as free agent | Jhonniel Alvarez | — | Texas Rangers | Texas Rangers signed free agent IF Jhonniel Alvarez to a minor league contract. |
| Jun 22, 2015 | Signed | Jake Lanning | — | Atlanta Braves | Atlanta Braves signed 3B Jacob Lanning. |
| Jun 22, 2015 | Signed | Kurt Hoekstra | — | Atlanta Braves | Atlanta Braves signed 2B Kurt Hoekstra. |
| Jun 22, 2015 | Signed | Trey Keegan | — | Atlanta Braves | Atlanta Braves signed C Trey Keegan. |
| Jun 22, 2015 | Signed | Trevor Belicek | — | Atlanta Braves | Atlanta Braves signed LHP Trevor Belicek. |
| Jun 22, 2015 | Signed | Ryan Clark | — | Atlanta Braves | Atlanta Braves signed RHP Ryan Clark. |
| Jun 22, 2015 | Signed | Josh Graham | — | Atlanta Braves | Atlanta Braves signed RHP Joshua Graham. |
| Jun 22, 2015 | Signed | Chase Johnson-Mullins | — | Atlanta Braves | Atlanta Braves signed LHP Chase Mullins. |
| Jun 22, 2015 | Signed | Grayson Jones | — | Atlanta Braves | Atlanta Braves signed RHP Grayson Jones. |
| Jun 22, 2015 | Signed | Ryan Lawlor | — | Atlanta Braves | Atlanta Braves signed LHP Ryan Lawlor. |
| Jun 22, 2015 | Signed | Sean McLaughlin | — | Atlanta Braves | Atlanta Braves signed RHP Sean McLaughlin. |
| Jun 22, 2015 | Signed | Stephen Moore | — | Atlanta Braves | Atlanta Braves signed RHP Stephen Moore. |
| Jun 22, 2015 | Signed | Evan Phillips | — | Atlanta Braves | Atlanta Braves signed RHP Evan Phillips. |
| Jun 22, 2015 | Signed | Patrick Weigel | — | Atlanta Braves | Atlanta Braves signed RHP Patrick Weigel. |
| Jun 22, 2015 | Signed | Matt Withrow | — | Atlanta Braves | Atlanta Braves signed RHP Matthew Withrow. |
| Jun 22, 2015 | Signed as free agent | Jacob Dorris | — | Houston Astros | Houston Astros signed free agent P Jacob Dorris to a minor league contract. |
| Jun 22, 2015 | Signed | Luke Williams | — | Philadelphia Phillies | Philadelphia Phillies signed SS Lucas Williams. |
| Jun 22, 2015 | Signed | Rich Condeelis | — | Minnesota Twins | Minnesota Twins signed RHP Rich Condeelis. |
| Jun 22, 2015 | Signed as free agent | Ethan Chapman | — | Philadelphia Phillies | Philadelphia Phillies signed free agent LF Ethan Chapman to a minor league contract. |
| Jun 22, 2015 | Signed | Andrew Brodbeck | — | St. Louis Cardinals | St. Louis Cardinals signed 2B Andrew Brodbeck. |
| Jun 22, 2015 | Signed | Aldemar Burgos | — | San Diego Padres | San Diego Padres signed OF Aldemar Burgos. |
| Jun 22, 2015 | Signed as free agent | Matt LeVert | — | Tampa Bay Rays | Tampa Bay Rays signed free agent RHP Matt LeVert to a minor league contract. |
| Jun 22, 2015 | Signed as free agent | Samm Wiggins | — | Tampa Bay Rays | Tampa Bay Rays signed free agent C Samm Wiggins to a minor league contract. |
| Jun 22, 2015 | Signed | Jason Freeman | — | Kansas City Royals | Kansas City Royals signed RHP Jason Freeman. |
| Jun 22, 2015 | Signed | Russell Harmening | — | Washington Nationals | Washington Nationals signed RHP Russell Harmening. |
| Jun 22, 2015 | Signed as free agent | Jackson Lowery | — | Toronto Blue Jays | Toronto Blue Jays signed free agent RHP Jackson Lowery to a minor league contract. |
| Jun 22, 2015 | Signed | Gabriel Clark | — | Toronto Blue Jays | Toronto Blue Jays signed 1B Gabriel Clark. |
| Jun 22, 2015 | Signed as free agent | Jacob Waguespack | — | Philadelphia Phillies | Philadelphia Phillies signed free agent RHP Jacob Waguespack to a minor league contract. |
| Jun 21, 2015 | Signed as free agent | Chris Nelson | — | Washington Nationals | Washington Nationals signed free agent 3B Chris Nelson to a minor league contract. |
| Jun 21, 2015 | Signed | Todd Isaacs | — | Cleveland Guardians | Cleveland Indians signed OF Todd Isaacs. |
| Jun 21, 2015 | Signed as free agent | Jarrett Grube | — | Cleveland Guardians | Cleveland Indians signed free agent RHP Jarrett Grube to a minor league contract. |
| Jun 21, 2015 | Signed | Adam Boghosian | — | Washington Nationals | Washington Nationals signed RHP Adam Boghosian. |
| Jun 21, 2015 | Signed | Ryan Brinley | — | Washington Nationals | Washington Nationals signed RHP Ryan Brinley. |
| Jun 21, 2015 | Signed | Jorge Pantoja | — | Washington Nationals | Washington Nationals signed RHP Jorge Pantoja. |
| Jun 21, 2015 | Signed | Tommy Peterson | — | Washington Nationals | Washington Nationals signed RHP Tommy Peterson. |
| Jun 21, 2015 | Signed | Mick VanVossen | — | Washington Nationals | Washington Nationals signed RHP Mick Van Vossen. |
| Jun 21, 2015 | Signed | Blake Perkins | — | Washington Nationals | Washington Nationals signed OF Blake Perkins. |
| Jun 21, 2015 | Signed | Angelo La Bruna | — | Washington Nationals | Washington Nationals signed OF Angelo La Bruna. |
| Jun 21, 2015 | Signed | Clayton Brandt | — | Washington Nationals | Washington Nationals signed SS Clayton Brandt. |
| Jun 21, 2015 | Signed | Chad Smith | — | Texas Rangers | Texas Rangers signed 1B Chad Smith. |
| Jun 21, 2015 | Signed | Curtis Terry | — | Texas Rangers | Texas Rangers signed 3B Curtis Terry. |
| Jun 21, 2015 | Signed | London Lindley | — | Texas Rangers | Texas Rangers signed OF London Lindley. |
| Jun 21, 2015 | Released | Rickie Weeks Jr. | — | Seattle Mariners | Seattle Mariners released LF Rickie Weeks. |
| Jun 21, 2015 | Signed | Tate Matheny | — | Boston Red Sox | Boston Red Sox signed CF Tate Matheny. |
| Jun 21, 2015 | Signed | Jagger Rusconi | — | Boston Red Sox | Boston Red Sox signed SS Jagger Rusconi. |
| Jun 21, 2015 | Signed | Logan Allen | — | Boston Red Sox | Boston Red Sox signed LHP Logan Allen. |
| Jun 21, 2015 | Signed | Nick Duron | — | Boston Red Sox | Boston Red Sox signed RHP Nick Duron. |
| Jun 21, 2015 | Signed | Shane Kemp | — | Pittsburgh Pirates | Pittsburgh Pirates signed RHP Shane Kemp. |
| Jun 21, 2015 | Signed | Mariano Rivera | — | Washington Nationals | Washington Nationals signed RHP Mariano Rivera. |
| Jun 21, 2015 | Signed | Matthew Crownover | — | Washington Nationals | Washington Nationals signed RHP Matthew Crownover. |
| Jun 21, 2015 | Signed | Grant Borne | — | Washington Nationals | Washington Nationals signed LHP Grant Borne. |
| Jun 21, 2015 | Signed as free agent | Shaq Matta | — | Texas Rangers | Texas Rangers signed free agent C Erick Matta to a minor league contract. |
| Jun 20, 2015 | Signed | Skye Bolt | — | Athletics | Oakland Athletics signed CF Skye Bolt. |
| Jun 20, 2015 | Signed | Noel Rodriguez | — | Tampa Bay Rays | Tampa Bay Rays signed RHP Noel Rodriguez. |
| Jun 20, 2015 | Signed | Porter Clayton | — | Tampa Bay Rays | Tampa Bay Rays signed LHP Porter Clayton. |
| Jun 20, 2015 | Signed | Ian Gibaut | — | Tampa Bay Rays | Tampa Bay Rays signed RHP Ian Gibaut. |
| Jun 20, 2015 | Signed | Landon Cray | — | Tampa Bay Rays | Tampa Bay Rays signed OF Landon Cray. |
| Jun 20, 2015 | Signed | Brett Sullivan | — | Tampa Bay Rays | Tampa Bay Rays signed 2B Brett Sullivan. |
| Jun 20, 2015 | Signed | Kewby Meyer | — | Tampa Bay Rays | Tampa Bay Rays signed 1B Kewby Meyer. |
| Jun 20, 2015 | Signed | Blake Butera | — | Tampa Bay Rays | Tampa Bay Rays signed IF Blake Butera. |
| Jun 20, 2015 | Signed | James Terrell | — | Athletics | Oakland Athletics signed OF James Terrell. |
| Jun 20, 2015 | Signed | Xavier Altamirano | — | Athletics | Oakland Athletics signed RHP Xavier Altamirano. |
| Jun 20, 2015 | Signed as free agent | Matt Buschmann | — | Cincinnati Reds | Cincinnati Reds signed free agent Matt Buschmann. |
| Jun 20, 2015 | Signed as free agent | Joe Paterson | — | Cincinnati Reds | Cincinnati Reds signed free agent LHP Joe Paterson to a minor league contract. |
| Jun 20, 2015 | Signed | Alex Farina | — | Milwaukee Brewers | Milwaukee Brewers signed RHP Alex Farina. |
| Jun 20, 2015 | Signed | Chris Powell | — | Los Angeles Dodgers | Los Angeles Dodgers signed RHP Christopher Powell. |
| Jun 20, 2015 | Signed | James Vasquez | — | Cincinnati Reds | Cincinnati Reds signed 1B James Vasquez. |
| Jun 20, 2015 | Trade | Phil Gosselin | Atlanta Braves | Arizona Diamondbacks | Arizona Diamondbacks traded RHP Bronson Arroyo and RHP Touki Toussaint to Atlanta Braves for 3B Phil Gosselin. |
| Jun 20, 2015 | Signed | Toller Boardman | — | Detroit Tigers | Detroit Tigers signed LHP Toller Boardman. |
| Jun 20, 2015 | Signed | Ryan Castellanos | — | Detroit Tigers | Detroit Tigers signed RHP Ryan Castellanos. |
| Jun 20, 2015 | Signed | Taylor Hicks | — | Detroit Tigers | Detroit Tigers signed RHP Taylor Hicks. |
| Jun 20, 2015 | Signed | Jake Shull | — | Detroit Tigers | Detroit Tigers signed RHP Jake Shull. |
| Jun 20, 2015 | Signed | Drew Smith | — | Detroit Tigers | Detroit Tigers signed RHP Drew Smith. |
| Jun 20, 2015 | Signed | Matt Hall | — | Detroit Tigers | Detroit Tigers signed LHP Matt Hall. |
| Jun 20, 2015 | Signed | Ryan Milton | — | Detroit Tigers | Detroit Tigers signed RHP Ryan Milton. |
| Jun 20, 2015 | Signed | Dominic Moreno | — | Detroit Tigers | Detroit Tigers signed RHP Dominic Moreno. |
| Jun 20, 2015 | Signed | Tanner Donnels | — | Detroit Tigers | Detroit Tigers signed 1B Tanner Donnels. |
| Jun 20, 2015 | Signed | Cole Bauml | — | Detroit Tigers | Detroit Tigers signed OF Cole Bauml. |
| Jun 20, 2015 | Signed | Christin Stewart | — | Detroit Tigers | Detroit Tigers signed OF Christin Stewart. |
| Jun 20, 2015 | Signed | Dillon Becker | — | New York Mets | New York Mets signed RHP Dillon Becker. |
| Jun 20, 2015 | Signed | Seth Davis | — | New York Mets | New York Mets signed LHP Seth Davis. |
| Jun 20, 2015 | Signed | Witt Haggard | — | New York Mets | New York Mets signed RHP Witt Haggard. |
| Jun 20, 2015 | Signed | Taylor Henry | — | New York Mets | New York Mets signed LHP Taylor Henry. |
| Jun 20, 2015 | Signed | Chase Ingram | — | New York Mets | New York Mets signed RHP Chase Ingram. |
| Jun 20, 2015 | Signed | Thomas McIlraith | — | New York Mets | New York Mets signed RHP Thomas McIlraith. |
| Jun 20, 2015 | Signed | Joe Shaw | — | New York Mets | New York Mets signed RHP Joseph Shaw. |
| Jun 20, 2015 | Signed | Patrick Mazeika | — | New York Mets | New York Mets signed C Patrick Mazeika. |
| Jun 20, 2015 | Signed | Kevin Kaczmarski | — | New York Mets | New York Mets signed OF Kevin Kaczmarski. |
| Jun 20, 2015 | Signed as free agent | Aaron Myers | — | Milwaukee Brewers | Milwaukee Brewers signed free agent RHP Aaron Myers to a minor league contract. |
| Jun 20, 2015 | Signed | Steven Duggar | — | San Francisco Giants | San Francisco Giants signed OF Steven Duggar. |
| Jun 20, 2015 | Signed | Gray Fenter | — | Baltimore Orioles | Baltimore Orioles signed RHP Gray Fenter. |
| Jun 20, 2015 | Signed | Garrett Cleavinger | — | Baltimore Orioles | Baltimore Orioles signed LHP Garrett Cleavinger. |
| Jun 20, 2015 | Signed as free agent | Mac Marshall | — | San Francisco Giants | San Francisco Giants signed free agent LHP Mac Marshall to a minor league contract. |
| Jun 19, 2015 | Signed | Brennan Leitao | — | St. Louis Cardinals | St. Louis Cardinals signed RHP Brennan Leitao. |
| Jun 19, 2015 | Signed | Luke Harrison | — | St. Louis Cardinals | St. Louis Cardinals signed RHP Luke Harrison. |
| Jun 19, 2015 | Signed | Max Almonte | — | St. Louis Cardinals | St. Louis Cardinals signed RHP Max Almonte. |
| Jun 19, 2015 | Signed | Kolbey Carpenter | — | Houston Astros | Houston Astros signed 2B Kolbey Carpenter. |
| Jun 19, 2015 | Signed | Brady Aiken | — | Cleveland Guardians | Cleveland Indians signed LHP Brady Aiken. |
| Jun 19, 2015 | Signed | Nolan Watson | — | Kansas City Royals | Kansas City Royals signed RHP Nolan Watson. |
| Jun 19, 2015 | Signed | Ashe Russell | — | Kansas City Royals | Kansas City Royals signed RHP Ashe Russell. |
| Jun 19, 2015 | Signed | Sean Keselica | — | Pittsburgh Pirates | Pittsburgh Pirates signed LHP Sean Keselica. |
| Jun 19, 2015 | Signed | Cedric Mullins | — | Baltimore Orioles | Baltimore Orioles signed OF Cedric Mullins. |
| Jun 19, 2015 | Signed | Mike Odenwaelder | — | Baltimore Orioles | Baltimore Orioles signed OF MIke Odenwaelder. |
| Jun 19, 2015 | Signed | Steve Laurino | — | Baltimore Orioles | Baltimore Orioles signed 1B Steve Laurino. |
| Jun 19, 2015 | Signed | Drew Turbin | — | Baltimore Orioles | Baltimore Orioles signed 2B Drew Turbin. |
| Jun 19, 2015 | Signed | Jerry McClanahan | — | Baltimore Orioles | Baltimore Orioles signed C Jerry McClanahan. |
| Jun 19, 2015 | Signed | Stuart Levy | — | Baltimore Orioles | Baltimore Orioles signed C Stuart Levy. |
| Jun 19, 2015 | Signed | Tim Ingram | — | Tampa Bay Rays | Tampa Bay Rays signed RHP Tim Ingram. |
| Jun 19, 2015 | Signed | Reece Karalus | — | Tampa Bay Rays | Tampa Bay Rays signed RHP Reece Karalus. |
| Jun 19, 2015 | Signed | Brandon Koch | — | Tampa Bay Rays | Tampa Bay Rays signed RHP Brandon Koch. |
| Jun 19, 2015 | Signed | Benton Moss | — | Tampa Bay Rays | Tampa Bay Rays signed RHP Benton Moss. |
| Jun 19, 2015 | Signed | Daniel De La Calle | — | Tampa Bay Rays | Tampa Bay Rays signed C Daniel De La Calle. |
| Jun 19, 2015 | Signed | Jake Cronenworth | — | Tampa Bay Rays | Tampa Bay Rays signed 2B Jake Cronenworth. |
| Jun 19, 2015 | Signed | Ryan Vega | — | Los Angeles Angels | Los Angeles Angels signed OF Ryan Vega. |
| Jun 19, 2015 | Signed | Myles Straw | — | Houston Astros | Houston Astros signed CF Myles Straw. |
| Jun 19, 2015 | Signed | Justin Garcia | — | Houston Astros | Houston Astros signed LF Justin Garcia. |
| Jun 19, 2015 | Signed | Kevin Martir | — | Houston Astros | Houston Astros signed C Kevin Martir. |
| Jun 19, 2015 | Signed | Aaron Mizell | — | Houston Astros | Houston Astros signed OF Aaron Mizell. |
| Jun 19, 2015 | Signed | Steve Naemark | — | Houston Astros | Houston Astros signed LHP Steve Naemark. |
| Jun 19, 2015 | Signed as free agent | Christian Correa | — | Houston Astros | Houston Astros signed free agent C Christian Correa to a minor league contract. |
| Jun 19, 2015 | Signed | Justin Donatella | — | Arizona Diamondbacks | Arizona Diamondbacks signed RHP Justin Donatella. |
| Jun 19, 2015 | Signed | Tyler Mark | — | Arizona Diamondbacks | Arizona Diamondbacks signed RHP Tyler Mark. |
| Jun 19, 2015 | Signed | Tucker Ward | — | Arizona Diamondbacks | Arizona Diamondbacks signed RHP Tucker Ward. |
| Jun 19, 2015 | Signed | Stephan Meyer | — | Pittsburgh Pirates | Pittsburgh Pirates signed RHP Stephan Meyer. |
| Jun 19, 2015 | Signed | Daniel Comstock | — | Arizona Diamondbacks | Arizona Diamondbacks signed C Daniel Comstock. |
| Jun 19, 2015 | Signed | Max Brown | — | Arizona Diamondbacks | Arizona Diamondbacks signed OF Max Brown. |
| Jun 19, 2015 | Released | Trevor Cahill | — | Atlanta Braves | Atlanta Braves released RHP Trevor Cahill. |
| Jun 19, 2015 | Signed | Garrett Davila | — | Kansas City Royals | Kansas City Royals signed LHP Garrett Davila. |
| Jun 19, 2015 | Signed as free agent | Eric Kimber | — | Kansas City Royals | Kansas City Royals signed free agent RHP Eric Kimber to a minor league contract. |
| Jun 19, 2015 | Signed | Josh Staumont | — | Kansas City Royals | Kansas City Royals signed RHP Joshua Staumont. |
| Jun 19, 2015 | Signed | Logan Nottebrok | — | Kansas City Royals | Kansas City Royals signed 3B Logan Nottebrok. |
| Jun 19, 2015 | Signed | Kevin Kelleher | — | Boston Red Sox | Boston Red Sox signed RHP Kevin Kelleher. |
| Jun 19, 2015 | Signed | Logan Boyd | — | Boston Red Sox | Boston Red Sox signed LHP Logan Boyd. |
| Jun 19, 2015 | Signed | Brad Stone | — | Boston Red Sox | Boston Red Sox signed LHP Brad Stone. |
| Jun 19, 2015 | Signed | Trevor Kelley | — | Boston Red Sox | Boston Red Sox signed RHP Trevor Kelley. |
| Jun 19, 2015 | Signed | Adam Lau | — | Boston Red Sox | Boston Red Sox signed RHP Adam Lau. |
| Jun 19, 2015 | Signed | Javier Medina | — | Colorado Rockies | Colorado Rockies signed RHP Javier Medina. |
| Jun 19, 2015 | Signed | Jack Wynkoop | — | Colorado Rockies | Colorado Rockies signed LHP Jonathan Wynkoop. |
| Jun 19, 2015 | Signed | Michael Zimmerman | — | Colorado Rockies | Colorado Rockies signed LHP Michael Zimmerman. |
| Jun 19, 2015 | Signed | Steven Leonard | — | Colorado Rockies | Colorado Rockies signed C Steven Leonard. |
| Jun 19, 2015 | Signed | Campbell Wear | — | Colorado Rockies | Colorado Rockies signed C Stephen Wear. |
| Jun 19, 2015 | Signed as free agent | Alex Henson | — | Los Angeles Angels | Los Angeles Angels signed free agent LHP Alex Henson to a minor league contract. |
| Jun 19, 2015 | Signed as free agent | Brandon Glazer | — | Los Angeles Angels | Los Angeles Angels signed free agent RHP Brandon Glazer to a minor league contract. |
| Jun 19, 2015 | Signed | Trever Allen | — | Los Angeles Angels | Los Angeles Angels signed OF Trever Allen. |
| Jun 19, 2015 | Signed as free agent | Jhoulys Chacín | — | Arizona Diamondbacks | Arizona Diamondbacks signed free agent RHP Jhoulys Chacin to a minor league contract. |
| Jun 19, 2015 | Signed | Michael Heller | — | San Francisco Giants | San Francisco Giants signed RHP Michael Heller. |
| Jun 19, 2015 | Signed | Connor Baits | — | Milwaukee Brewers | Milwaukee Brewers signed RHP Connor Baits. |
| Jun 19, 2015 | Signed as free agent | Brad Kuntz | — | Milwaukee Brewers | Milwaukee Brewers signed free agent LHP Bradley Kuntz to a minor league contract. |
| Jun 19, 2015 | Signed | Jon Olczak | — | Milwaukee Brewers | Milwaukee Brewers signed RHP Jon Olczak. |
| Jun 19, 2015 | Signed | Christian Trent | — | Milwaukee Brewers | Milwaukee Brewers signed LHP Christian Trent. |
| Jun 19, 2015 | Signed as free agent | Beau Te Wera Bishop | — | Milwaukee Brewers | Milwaukee Brewers signed free agent C Beau Bishop to a minor league contract. |
| Jun 19, 2015 | Signed | Demi Orimoloye | — | Milwaukee Brewers | Milwaukee Brewers signed OF Demi Orimoloye. |
| Jun 19, 2015 | Signed | Isaac Anderson | — | Los Angeles Dodgers | Los Angeles Dodgers signed RHP Isaac Anderson. |
| Jun 19, 2015 | Signed | Michael Boyle | — | Los Angeles Dodgers | Los Angeles Dodgers signed LHP Michael Boyle. |
| Jun 19, 2015 | Signed | Corey Copping | — | Los Angeles Dodgers | Los Angeles Dodgers signed RHP Corey Copping. |
| Jun 19, 2015 | Signed | Casey Mulholland | — | Los Angeles Dodgers | Los Angeles Dodgers signed RHP Casey Mulholland. |
| Jun 19, 2015 | Signed | Drayton Riekenberg | — | Los Angeles Dodgers | Los Angeles Dodgers signed RHP Drayton Riekenberg. |
| Jun 19, 2015 | Signed | Andrew Sopko | — | Los Angeles Dodgers | Los Angeles Dodgers signed RHP Andrew Sopko. |
| Jun 19, 2015 | Signed | Gage Green | — | Los Angeles Dodgers | Los Angeles Dodgers signed C Gage Green. |
| Jun 19, 2015 | Signed | Jordan Tarsovich | — | Los Angeles Dodgers | Los Angeles Dodgers signed 2B Jordan Tarsovich. |
| Jun 19, 2015 | Signed | Kyle Garlick | — | Los Angeles Dodgers | Los Angeles Dodgers signed CF Kyle Garlick. |
| Jun 19, 2015 | Signed | Mitchell Hansen | — | Los Angeles Dodgers | Los Angeles Dodgers signed CF Mitch Hansen. |
| Jun 19, 2015 | Signed | Nick Sell | — | Los Angeles Dodgers | Los Angeles Dodgers signed 3B Nick Sell. |
| Jun 19, 2015 | Signed | Andrew Jordan | — | Cincinnati Reds | Cincinnati Reds signed RHP Andrew Jordan. |
| Jun 19, 2015 | Signed | Rock Rucker | — | Cincinnati Reds | Cincinnati Reds signed LHP Orrin Rucker. |
| Jun 19, 2015 | Signed | Blake Butler | — | Cincinnati Reds | Cincinnati Reds signed 2B Blake Butler. |
| Jun 19, 2015 | Signed | Satchel McElroy | — | Cincinnati Reds | Cincinnati Reds signed OF Satchel McElroy. |
| Jun 19, 2015 | Signed | Elliot Ashbeck | — | San Diego Padres | San Diego Padres signed RHP Elliot Ashbeck. |
| Jun 19, 2015 | Signed | Nathan Foriest | — | San Diego Padres | San Diego Padres signed LHP Nathan Foriest. |
| Jun 19, 2015 | Signed | Jordan Guerrero | — | San Diego Padres | San Diego Padres signed RHP Jordan Guerrero. |
| Jun 19, 2015 | Signed | Corey Hale | — | San Diego Padres | San Diego Padres signed LHP Corey Hale. |
| Jun 19, 2015 | Signed | Will Headean | — | San Diego Padres | San Diego Padres signed LHP William Headean. |
| Jun 19, 2015 | Signed | Braxton Lorenzini | — | San Diego Padres | San Diego Padres signed RHP Braxton Lorenzini. |
| Jun 19, 2015 | Signed | Trevor Megill | — | San Diego Padres | San Diego Padres signed RHP Trevor Megill. |
| Jun 19, 2015 | Signed | Nick Monroe | — | San Diego Padres | San Diego Padres signed RHP Nicholas Monroe. |
| Jun 19, 2015 | Signed | Jacob Nix | — | San Diego Padres | San Diego Padres signed RHP Jacob Nix. |
| Jun 19, 2015 | Signed | Blake Rogers | — | San Diego Padres | San Diego Padres signed RHP Blake Rogers. |
| Jun 19, 2015 | Signed | Austin Smith | — | San Diego Padres | San Diego Padres signed RHP Austin Smith. |
| Jun 19, 2015 | Signed | Kyle Overstreet | — | San Diego Padres | San Diego Padres signed C Kyle Overstreet. |
| Jun 19, 2015 | Signed | Tyler Moore | — | San Diego Padres | San Diego Padres signed RF Tyler Moore. |
| Jun 19, 2015 | Signed | Kodie Tidwell | — | San Diego Padres | San Diego Padres signed SS Kodie Tidwell. |
| Jun 19, 2015 | Signed | Josh Magee | — | San Diego Padres | San Diego Padres signed OF Josh Magee. |
| Jun 19, 2015 | Signed as free agent | Anderson Acevedo | — | New York Yankees | New York Yankees signed free agent P Anderson Acevedo to a minor league contract. |
| Jun 19, 2015 | Signed as free agent | Anthoniris Santana | — | New York Yankees | New York Yankees signed free agent RHP Anthoniris Santana to a minor league contract. |
| Jun 19, 2015 | Signed as free agent | Carlos Santana | — | New York Yankees | New York Yankees signed free agent P Carlos Santana to a minor league contract. |
| Jun 19, 2015 | Signed as free agent | Luigence Thomas | — | New York Yankees | New York Yankees signed free agent RHP Luigence Thomas to a minor league contract. |
| Jun 19, 2015 | Signed as free agent | Oscar Cabrera | — | Baltimore Orioles | Baltimore Orioles signed free agent LHP Oscar Cabrera to a minor league contract. |
| Jun 19, 2015 | Signed as free agent | Erik VanMeetren | — | Washington Nationals | Washington Nationals signed free agent RHP Erik VanMeetren to a minor league contract. |
| Jun 19, 2015 | Signed as free agent | Heath Dwyer | — | Chicago Cubs | Chicago Cubs signed free agent LHP Heath Dwyer to a minor league contract. |
| Jun 19, 2015 | Signed | Matt Custred | — | Atlanta Braves | Atlanta Braves signed RHP Matthew Custred. |
| Jun 19, 2015 | Signed as free agent | Shawn Clowers | — | Milwaukee Brewers | Milwaukee Brewers signed free agent LHP Shawn Clowers to a minor league contract. |
| Jun 19, 2015 | Signed | Reign Letkeman | — | Tampa Bay Rays | Tampa Bay Rays signed RHP Reign Letkeman. |
| Jun 18, 2015 | Signed | Tommy Bergjans | — | Los Angeles Dodgers | Los Angeles Dodgers signed Tommy Bergjans. |
| Jun 18, 2015 | Signed | Andrew Istler | — | Los Angeles Dodgers | Los Angeles Dodgers signed RHP Andrew Istler. |
| Jun 18, 2015 | Signed | Wes Helsabeck | — | Los Angeles Dodgers | Los Angeles Dodgers signed LHP Wes Helsabeck. |
| Jun 18, 2015 | Signed | Ivan Vieitez | — | Los Angeles Dodgers | Los Angeles Dodgers signed RHP Ivan Vieitez. |
| Jun 18, 2015 | Signed | Rob McDonnell | — | Los Angeles Dodgers | Los Angeles Dodgers signed LHP Rob McDonnell. |
| Jun 18, 2015 | Signed | Cameron Palmer | — | Los Angeles Dodgers | Los Angeles Dodgers signed RHP Cameron Palmer. |
| Jun 18, 2015 | Signed | Marcus Crescentini | — | Los Angeles Dodgers | Los Angeles Dodgers signed RHP Marcus Crescentini. |
| Jun 18, 2015 | Signed | Kevin Brown | — | Los Angeles Dodgers | Los Angeles Dodgers signed RHP Kevin Brown. |
| Jun 18, 2015 | Signed | Bailey Falter | — | Philadelphia Phillies | Philadelphia Phillies signed LHP Bailey Falter. |
| Jun 18, 2015 | Signed | Edgar Cabral | — | Philadelphia Phillies | Philadelphia Phillies signed C Edgar Cabral. |
| Jun 18, 2015 | Signed | Dakota Behr | — | Colorado Rockies | Colorado Rockies signed RHP Dakota Behr. |
| Jun 18, 2015 | Signed | Parker French | — | Colorado Rockies | Colorado Rockies signed RHP Parker French. |
| Jun 18, 2015 | Signed | Daniel Koger | — | Colorado Rockies | Colorado Rockies signed LHP Daniel Koger. |
| Jun 18, 2015 | Signed | James McMahon | — | Colorado Rockies | Colorado Rockies signed RHP James McMahon. |
| Jun 18, 2015 | Signed | Christian Talley | — | Colorado Rockies | Colorado Rockies signed RHP Christian Talley. |
| Jun 18, 2015 | Signed | Sam Thoele | — | Colorado Rockies | Colorado Rockies signed RHP Sam Thoele. |
| Jun 18, 2015 | Signed | Mitchell Tolman | — | Pittsburgh Pirates | Pittsburgh Pirates signed 2B Mitchell Tolman. |
| Jun 18, 2015 | Signed | Logan Sendelbach | — | Pittsburgh Pirates | Pittsburgh Pirates signed RHP Logan Sendelbach. |
| Jun 18, 2015 | Signed | Christian Kelley | — | Pittsburgh Pirates | Pittsburgh Pirates signed C Christian Kelley. |
| Jun 18, 2015 | Signed | Ty Moore | — | Pittsburgh Pirates | Pittsburgh Pirates signed OF Ty Moore. |
| Jun 18, 2015 | Signed | Logan Ratledge | — | Pittsburgh Pirates | Pittsburgh Pirates signed SS Logan Ratledge. |
| Jun 18, 2015 | Signed | Scooter Hightower | — | Pittsburgh Pirates | Pittsburgh Pirates signed RHP Scooter Hightower. |
| Jun 18, 2015 | Signed | Nathan Trevillian | — | Pittsburgh Pirates | Pittsburgh Pirates signed RHP Nathan Trevillian. |
| Jun 18, 2015 | Signed | Mylz Jones | — | Colorado Rockies | Colorado Rockies signed SS Mylz Jones. |
| Jun 18, 2015 | Signed | John Bormann | — | Pittsburgh Pirates | Pittsburgh Pirates signed C John Bormann. |
| Jun 18, 2015 | Signed | Chris Keck | — | Colorado Rockies | Colorado Rockies signed 3B Christopher Keck. |
| Jun 18, 2015 | Signed | Logan Hill | — | Pittsburgh Pirates | Pittsburgh Pirates signed OF Logan Hill. |
| Jun 18, 2015 | Signed | Jordan George | — | Pittsburgh Pirates | Pittsburgh Pirates signed 1B Jordan George. |
| Jun 18, 2015 | Signed | Cole Anderson | — | Colorado Rockies | Colorado Rockies signed OF Cole Anderson. |
| Jun 18, 2015 | Signed | Sam Hilliard | — | Colorado Rockies | Colorado Rockies signed OF Sam Hilliard. |
| Jun 18, 2015 | Signed | Jensen Park | — | Colorado Rockies | Colorado Rockies signed OF Jensen Park. |
| Jun 18, 2015 | Signed | Bobby Stahel | — | Colorado Rockies | Colorado Rockies signed OF Bobby Stahel. |
| Jun 18, 2015 | Signed | Ka'ai Tom | — | Cleveland Guardians | Cleveland Indians signed OF Ka'ai Tom. |
| Jun 18, 2015 | Signed | Nathan Lukes | — | Cleveland Guardians | Cleveland Indians signed OF Nathan Lukes. |
| Jun 18, 2015 | Signed | Connor Marabell | — | Cleveland Guardians | Cleveland Indians signed OF Connor Marabell. |
| Jun 18, 2015 | Signed | Sam Haggerty | — | Cleveland Guardians | Cleveland Indians signed 2B Sam Haggerty. |
| Jun 18, 2015 | Signed | Mark Mathias | — | Cleveland Guardians | Cleveland Indians signed 2B Mark Mathias. |
| Jun 18, 2015 | Signed | Tyler Krieger | — | Cleveland Guardians | Cleveland Indians signed SS Tyler Krieger. |
| Jun 18, 2015 | Signed | Matt Esparza | — | Cleveland Guardians | Cleveland Indians signed RHP Matt Esparza. |
| Jun 18, 2015 | Signed | Chad Smith | — | Cleveland Guardians | Cleveland Indians signed RHP Chad Smith. |
| Jun 18, 2015 | Signed | Vinny Siena | — | New York Mets | New York Mets signed 2B Vincent Siena. |
| Jun 18, 2015 | Signed | P.J. Conlon | — | New York Mets | New York Mets signed LHP Pj Conlon. |
| Jun 18, 2015 | Signed | Corey Taylor | — | New York Mets | New York Mets signed RHP Corey Taylor. |
| Jun 18, 2015 | Signed | Mike Nikorak | — | Colorado Rockies | Colorado Rockies signed RHP Mike Nikorak. |
| Jun 18, 2015 | Signed | Ian Happ | — | Chicago Cubs | Chicago Cubs signed LF Ian Happ. |
| Jun 18, 2015 | Signed | Ryan Kellogg | — | Chicago Cubs | Chicago Cubs signed LHP Ryan Kellogg. |
| Jun 18, 2015 | Signed | David Berg | — | Chicago Cubs | Chicago Cubs signed RHP Dave Berg. |
| Jun 18, 2015 | Signed | Craig Brooks | — | Chicago Cubs | Chicago Cubs signed RHP Craig Brooks. |
| Jun 18, 2015 | Signed | Vimael Machín | — | Chicago Cubs | Chicago Cubs signed SS Vimael Machin. |
| Jun 18, 2015 | Signed | Blake Headley | — | Chicago Cubs | Chicago Cubs signed 3B Blake Headley. |
| Jun 18, 2015 | Signed | Jared Cheek | — | Chicago Cubs | Chicago Cubs signed RHP Jared Cheek. |
| Jun 18, 2015 | Signed | John Williamson | — | Chicago Cubs | Chicago Cubs signed LHP John Williamson. |
| Jun 18, 2015 | Signed | Marcus Mastrobuoni | — | Chicago Cubs | Chicago Cubs signed C Marcus Mastrobuoni. |
| Jun 18, 2015 | Signed | Angelo Amendolare | — | Chicago Cubs | Chicago Cubs signed 2B Angelo Amendolare. |
| Jun 18, 2015 | Signed | Tyler Nevin | — | Colorado Rockies | Colorado Rockies signed 3B Tyler Nevin. |
| Jun 18, 2015 | Signed | Michael Freeman | — | Houston Astros | Houston Astros signed LHP Michael Freeman. |
| Jun 18, 2015 | Signed | Garrett Stubbs | — | Houston Astros | Houston Astros signed C Garrett Stubbs. |
| Jun 18, 2015 | Signed | Ralph Garza Jr. | — | Houston Astros | Houston Astros signed RHP Ralph Garza. |
| Jun 18, 2015 | Signed as free agent | Kila Ka'aihue | — | Miami Marlins | Miami Marlins signed free agent 1B Kila Ka'aihue to a minor league contract. |
| Jun 18, 2015 | Signed | Korey Dunbar | — | Miami Marlins | Miami Marlins signed C Korey Dunbar. |
| Jun 18, 2015 | Signed | Travis Neubeck | — | Miami Marlins | Miami Marlins signed RHP Travis Neubeck. |
| Jun 18, 2015 | Signed | Jordan Hillyer | — | Miami Marlins | Miami Marlins signed RHP Jordan Hillyer. |
| Jun 18, 2015 | Signed | Taylore Cherry | — | Chicago White Sox | Chicago White Sox signed RHP Taylore Cherry. |
| Jun 18, 2015 | Signed | Alex Katz | — | Chicago White Sox | Chicago White Sox signed LHP Alexander Katz. |
| Jun 18, 2015 | Signed | Richard McWilliams | — | Chicago White Sox | Chicago White Sox signed RHP Richard McWilliams. |
| Jun 18, 2015 | Signed | Ryan Powers | — | Chicago White Sox | Chicago White Sox signed RHP Ryan Powers. |
| Jun 18, 2015 | Released | Jordan Schafer | — | Minnesota Twins | Minnesota Twins released CF Jordan Schafer. |
| Jun 18, 2015 | Signed | Mitchell Esser | — | Los Angeles Angels | Los Angeles Angels signed CF Mitch Esser. |
| Jun 18, 2015 | Signed | Casey Hughston | — | Pittsburgh Pirates | Pittsburgh Pirates signed 3B Casey Hughston. |
| Jun 18, 2015 | Signed | Jacob Taylor | — | Pittsburgh Pirates | Pittsburgh Pirates signed RHP Jacob Taylor. |
| Jun 18, 2015 | Signed | Chris Plitt | — | Pittsburgh Pirates | Pittsburgh Pirates signed RHP Chris Plitt. |
| Jun 18, 2015 | Signed | Nick Hibbing | — | Pittsburgh Pirates | Pittsburgh Pirates signed RHP Nick Hibbing. |
| Jun 18, 2015 | Signed | Albert Baur | — | Pittsburgh Pirates | Pittsburgh Pirates signed 1B Albert Baur. |
| Jun 18, 2015 | Signed | Juan Hillman | — | Cleveland Guardians | Cleveland Indians signed LHP Juan Hillman. |
| Jun 18, 2015 | Signed | Jonas Wyatt | — | Cleveland Guardians | Cleveland Indians signed RHP Jonas Wyatt. |
| Jun 18, 2015 | Signed as free agent | Yeyfry Del Rosario | — | Houston Astros | Houston Astros signed free agent RHP Yeyfry Del Rosario to a minor league contract. |
| Jun 18, 2015 | Signed as free agent | David Schmidt | — | Houston Astros | Houston Astros signed free agent RHP David Schmidt to a minor league contract. |
| Jun 18, 2015 | Signed | Max Wotell | — | New York Mets | New York Mets signed Max Wotell. |
| Jun 18, 2015 | Signed | Desmond Lindsay | — | New York Mets | New York Mets signed OF Desmond Lindsay. |
| Jun 18, 2015 | Signed | Bret Marks | — | New York Yankees | New York Yankees signed RHP Bret Marks. |
| Jun 18, 2015 | Signed | Adam Bray | — | Los Angeles Dodgers | Los Angeles Dodgers signed RHP Adam Bray. |
| Jun 18, 2015 | Signed | Curt Britt | — | Miami Marlins | Miami Marlins signed RHP Curt Britt. |
| Jun 18, 2015 | Signed | Brett Lilek | — | Miami Marlins | Miami Marlins signed LHP Brett Lilek. |
| Jun 18, 2015 | Signed | Justin Jacome | — | Miami Marlins | Miami Marlins signed LHP Justin Jacome. |
| Jun 18, 2015 | Signed | Cody Poteet | — | Miami Marlins | Miami Marlins signed RHP Cody Poteet. |
| Jun 18, 2015 | Signed | Brandon Snyder | — | Los Angeles Angels | Los Angeles Angels signed LHP Brandon Snyder. |
| Jun 18, 2015 | Signed as free agent | Bryant Hayman | — | Minnesota Twins | Minnesota Twins signed free agent C John Hayman to a minor league contract. |
| Jun 18, 2015 | Signed | Andrew Vasquez | — | Minnesota Twins | Minnesota Twins signed LHP Andrew Vasquez. |
| Jun 18, 2015 | Signed | Hector Lujan | — | Minnesota Twins | Minnesota Twins signed RHP Hector Lujan. |
| Jun 18, 2015 | Signed | Justin Langley | — | Miami Marlins | Miami Marlins signed LHP Justin Langley. |
| Jun 18, 2015 | Signed | Cameron Newell | — | Miami Marlins | Miami Marlins signed OF Cameron Newell. |
| Jun 18, 2015 | Signed | Reilly Hovis | — | Miami Marlins | Miami Marlins signed RHP Patrick Hovis. |
| Jun 18, 2015 | Signed | Austin Afenir | — | New York Yankees | New York Yankees signed C Austin Afenir. |
| Jun 18, 2015 | Signed | Drew Finley | — | New York Yankees | New York Yankees signed RHP Drew Finley. |
| Jun 18, 2015 | Signed as free agent | Willie Gabay | — | New York Yankees | New York Yankees signed free agent RHP William Gabay to a minor league contract. |
| Jun 18, 2015 | Signed | Brody Koerner | — | New York Yankees | New York Yankees signed RHP Brody Koerner. |
| Jun 18, 2015 | Signed | Garrett Mundell | — | New York Yankees | New York Yankees signed RHP Garrett Mundell. |
| Jun 18, 2015 | Signed | Alex Robinett | — | New York Yankees | New York Yankees signed RHP Alex Robinett. |
| Jun 18, 2015 | Signed | David Sosebee | — | New York Yankees | New York Yankees signed RHP David Sosebee. |
| Jun 18, 2015 | Signed as free agent | Riley Drongesen | — | St. Louis Cardinals | St. Louis Cardinals signed free agent C Riley Drongesen to a minor league contract. |
| Jun 18, 2015 | Signed | Nate Gercken | — | Minnesota Twins | Minnesota Twins signed RHP Nate Gercken. |
| Jun 18, 2015 | Signed | Logan Lombana | — | Minnesota Twins | Minnesota Twins signed RHP Logan Lombana. |
| Jun 18, 2015 | Signed | Anthony McIver | — | Minnesota Twins | Minnesota Twins signed LHP Anthony Mciver. |
| Jun 18, 2015 | Signed | Cody Stashak | — | Minnesota Twins | Minnesota Twins signed RHP Cody Stashak. |
| Jun 18, 2015 | Signed | Brad Hartong | — | Minnesota Twins | Minnesota Twins signed C Brad Hartong. |
| Jun 18, 2015 | Signed | A.J. Murray | — | Minnesota Twins | Minnesota Twins signed C Andrew Murray. |
| Jun 18, 2015 | Signed | Sean Miller | — | Minnesota Twins | Minnesota Twins signed SS Sean Miller. |
| Jun 18, 2015 | Signed | Alex Perez | — | Minnesota Twins | Minnesota Twins signed SS Alex Perez. |
| Jun 18, 2015 | Signed | Daniel Kihle | — | Minnesota Twins | Minnesota Twins signed CF Daniel Kihle. |
| Jun 18, 2015 | Signed | LaMonte Wade Jr. | — | Minnesota Twins | Minnesota Twins signed OF LaMonte Wade. |
| Jun 18, 2015 | Signed | Ian Happ | — | Chicago Cubs | Chicago Cubs signed CF Ian Happ. |
| Jun 18, 2015 | Signed | Cody Carroll | — | New York Yankees | New York Yankees signed RHP Cody Carroll. |
| Jun 18, 2015 | Signed as free agent | Matt Magill | — | Cincinnati Reds | Cincinnati Reds signed free agent RHP Matt Magill to a minor league contract. |
| Jun 18, 2015 | Signed as free agent | Ryan Sebra | — | Los Angeles Angels | Los Angeles Angels signed free agent 1B Ryan Sebra to a minor league contract. |
| Jun 17, 2015 | Signed | Kevin Kramer | — | Pittsburgh Pirates | Pittsburgh Pirates signed 3B Kevin Kramer. |
| Jun 17, 2015 | Signed | Tanner Anderson | — | Pittsburgh Pirates | Pittsburgh Pirates signed RHP Tanner Anderson. |
| Jun 17, 2015 | Signed | Nicholas Economos | — | Pittsburgh Pirates | Pittsburgh Pirates signed RHP Nicholas Economos. |
| Jun 17, 2015 | Signed | Mike Wallace | — | Pittsburgh Pirates | Pittsburgh Pirates signed RHP Mike Wallace. |
| Jun 17, 2015 | Signed | Kevin McCanna | — | Houston Astros | Houston Astros signed RHP Kevin McCanna. |
| Jun 17, 2015 | Signed | Cornelius Randolph | — | Philadelphia Phillies | Philadelphia Phillies signed 2B Cornelius Randolph. |
| Jun 17, 2015 | Signed | Beau Burrows | — | Detroit Tigers | Detroit Tigers signed RHP Beau Burrows. |
| Jun 17, 2015 | Signed | Cam Gibson | — | Detroit Tigers | Detroit Tigers signed CF Cam Gibson. |
| Jun 17, 2015 | Signed | Kyle Dowdy | — | Detroit Tigers | Detroit Tigers signed RHP Kyle Dowdy. |
| Jun 17, 2015 | Signed | Josh Lester | — | Detroit Tigers | Detroit Tigers signed 3B Josh Lester. |
| Jun 17, 2015 | Signed | Joey Havrilak | — | Detroit Tigers | Detroit Tigers signed RF Joseph Havrilak. |
| Jun 17, 2015 | Signed | Logan Longwith | — | Detroit Tigers | Detroit Tigers signed RHP Logan Longwith. |
| Jun 17, 2015 | Signed | Tyler Servais | — | Detroit Tigers | Detroit Tigers signed C Tyler Servais. |
| Jun 17, 2015 | Signed | Patrick Mackenzie | — | Detroit Tigers | Detroit Tigers signed 2B Patrick Mackenzie. |
| Jun 17, 2015 | Signed | Blaise Salter | — | Detroit Tigers | Detroit Tigers signed 1B Blaise Salter. |
| Jun 17, 2015 | Signed | Logan Cozart | — | Colorado Rockies | Colorado Rockies signed RHP Logan Cozart. |
| Jun 17, 2015 | Signed | Drasen Johnson | — | Colorado Rockies | Colorado Rockies signed RHP Drasen Johnson. |
| Jun 17, 2015 | Signed | Brendan Rodgers | — | Colorado Rockies | Colorado Rockies signed SS Brendan Rodgers. |
| Jun 17, 2015 | Signed | Tyler Jay | — | Minnesota Twins | Minnesota Twins signed LHP Tyler Jay. |
| Jun 17, 2015 | Signed | Alex Robinson | — | Minnesota Twins | Minnesota Twins signed LHP Alex Robinson. |
| Jun 17, 2015 | Signed | Ben Taylor | — | Boston Red Sox | Boston Red Sox signed RHP Ben Taylor. |
| Jun 17, 2015 | Signed | Tucker Tubbs | — | Boston Red Sox | Boston Red Sox signed 1B Tucker Tubbs. |
| Jun 17, 2015 | Signed | Mitchell Gunsolus | — | Boston Red Sox | Boston Red Sox signed 3B Mitchell Gunsolus. |
| Jun 17, 2015 | Signed | Matthew Kent | — | Boston Red Sox | Boston Red Sox signed LHP Matt Kent. |
| Jun 17, 2015 | Signed | Chad De La Guerra | — | Boston Red Sox | Boston Red Sox signed 2B Chad De La Guerra. |
| Jun 17, 2015 | Released | Tim Stauffer | — | Minnesota Twins | Minnesota Twins released RHP Tim Stauffer. |
| Jun 17, 2015 | Signed as free agent | Marco Scutaro | — | San Francisco Giants | San Francisco Giants signed free agent 2B Marco Scutaro. |
| Jun 17, 2015 | Signed | Nate Griep | — | Milwaukee Brewers | Milwaukee Brewers signed RHP Nate Griep. |
| Jun 17, 2015 | Signed | Karsen Lindell | — | Milwaukee Brewers | Milwaukee Brewers signed RHP Karsen Lindell. |
| Jun 17, 2015 | Signed | Jose Cuas | — | Milwaukee Brewers | Milwaukee Brewers signed SS Jose Cuas. |
| Jun 17, 2015 | Signed | Drake Owenby | — | Milwaukee Brewers | Milwaukee Brewers signed LHP Drake Owenby. |
| Jun 17, 2015 | Signed | Tyrone Perry | — | Milwaukee Brewers | Milwaukee Brewers signed 1B Tyrone Perry. |
| Jun 17, 2015 | Signed | Gentry Fortuno | — | Milwaukee Brewers | Milwaukee Brewers signed RHP Gentry Fortuno. |
| Jun 17, 2015 | Signed | Steven Karkenny | — | Milwaukee Brewers | Milwaukee Brewers signed 1B Steven Karkenny. |
| Jun 17, 2015 | Signed | David Lucroy | — | Milwaukee Brewers | Milwaukee Brewers signed RHP David Lucroy. |
| Jun 17, 2015 | Signed | Jon Perrin | — | Milwaukee Brewers | Milwaukee Brewers signed RHP Jonathan Perrin. |
| Jun 17, 2015 | Signed | Mitch Ghelfi | — | Milwaukee Brewers | Milwaukee Brewers signed C Mitch Ghelfi. |
| Jun 17, 2015 | Signed | Colton Cross | — | Milwaukee Brewers | Milwaukee Brewers signed RHP Colton Cross. |
| Jun 17, 2015 | Signed | Quintin Torres-Costa | — | Milwaukee Brewers | Milwaukee Brewers signed LHP Quintin Torres-Costa. |
| Jun 17, 2015 | Signed | Scott Grist | — | Milwaukee Brewers | Milwaukee Brewers signed RHP Scott Grist. |
| Jun 17, 2015 | Signed as free agent | Omar Cotto | — | Milwaukee Brewers | Milwaukee Brewers signed free agent OF Omar Cotto to a minor league contract. |
| Jun 17, 2015 | Signed as free agent | Jose Flores | — | Milwaukee Brewers | Milwaukee Brewers signed free agent RHP Jose Flores to a minor league contract. |
| Jun 17, 2015 | Signed | Jahmai Jones | — | Los Angeles Angels | Los Angeles Angels signed OF Jahmai Jones. |
| Jun 17, 2015 | Signed | Dylan Thompson | — | Seattle Mariners | Seattle Mariners signed RHP Dylan Thompson. |
| Jun 17, 2015 | Signed | Dylan Silva | — | Seattle Mariners | Seattle Mariners signed LHP Dylan Silva. |
| Jun 17, 2015 | Signed | Tyler Gilbert | — | Philadelphia Phillies | Philadelphia Phillies signed LHP Tyler Gilbert. |
| Jun 17, 2015 | Signed as free agent | Matt Tindall | — | Los Angeles Angels | Los Angeles Angels signed free agent Matt Tindall. |
| Jun 17, 2015 | Signed | Zach Hartman | — | Los Angeles Angels | Los Angeles Angels signed RHP Zach Hartman. |
| Jun 17, 2015 | Signed | Robert Nesovic | — | Atlanta Braves | Atlanta Braves signed 3B Robert Nesovic. |
| Jun 17, 2015 | Signed as free agent | Andrew Schwaab | — | New York Yankees | New York Yankees signed free agent RHP Andrew Schwaab to a minor league contract. |
| Jun 17, 2015 | Released | Robert Tavone | — | Atlanta Braves | Atlanta Braves released C Robert Tavone. |
| Jun 17, 2015 | Signed as free agent | James Connell | — | Los Angeles Angels | Los Angeles Angels signed free agent RHP James Connell to a minor league contract. |
| Jun 17, 2015 | Released | Chris Bianchi | — | Los Angeles Dodgers | Los Angeles Dodgers released C Chris Bianchi. |
| Jun 17, 2015 | Signed | Andrew Elliott | — | Baltimore Orioles | Baltimore Orioles signed RHP Andrew Elliot. |
| Jun 17, 2015 | Signed | Ryan Meisinger | — | Baltimore Orioles | Baltimore Orioles signed RHP Ryan Meisinger. |
| Jun 17, 2015 | Signed | Robert Strader | — | Baltimore Orioles | Baltimore Orioles signed LHP Robert Strader. |
| Jun 17, 2015 | Signed as free agent | Ryan Koziol | — | San Francisco Giants | San Francisco Giants signed free agent RHP Ryan Koziol to a minor league contract. |
| Jun 17, 2015 | Signed | Jake Simon | — | New York Mets | New York Mets signed LHP Jacob Simon. |
| Jun 16, 2015 | Signed | Anderson Miller | — | Kansas City Royals | Kansas City Royals signed CF Anderson Miller. |
| Jun 16, 2015 | Signed | Roman Collins | — | Kansas City Royals | Kansas City Royals signed CF Roman Collins. |
| Jun 16, 2015 | Signed | Gabriel Cancel | — | Kansas City Royals | Kansas City Royals signed SS Gabriel Cancel. |
| Jun 16, 2015 | Signed | Andre Davis | — | Kansas City Royals | Kansas City Royals signed LHP Andre Davis. |
| Jun 16, 2015 | Signed | Joey Markus | — | Kansas City Royals | Kansas City Royals signed LHP Joseph Markus. |
| Jun 16, 2015 | Signed | Alex Luna | — | Kansas City Royals | Kansas City Royals signed RHP Alex Luna. |
| Jun 16, 2015 | Signed | Ben Johnson | — | Kansas City Royals | Kansas City Royals signed CF Ben Johnson. |
| Jun 16, 2015 | Signed | Daniel Concepcion | — | Kansas City Royals | Kansas City Royals signed RHP Daniel Concepcion. |
| Jun 16, 2015 | Signed | Nick Dini | — | Kansas City Royals | Kansas City Royals signed C Nicholas Dini. |
| Jun 16, 2015 | Signed | Matt Ditman | — | Kansas City Royals | Kansas City Royals signed RHP Matt Ditman. |
| Jun 16, 2015 | Signed | Matt Portland | — | Kansas City Royals | Kansas City Royals signed LHP Matt Portland. |
| Jun 16, 2015 | Signed | Brian Bayliss | — | Kansas City Royals | Kansas City Royals signed RHP Brian Bayliss. |
| Jun 16, 2015 | Signed | Emmanuel Rivera | — | Kansas City Royals | Kansas City Royals signed SS Emmanuel Rivera. |
| Jun 16, 2015 | Signed | Austin Bailey | — | Kansas City Royals | Kansas City Royals signed 2B Austin Bailey. |
| Jun 16, 2015 | Signed | Drew Milligan | — | Kansas City Royals | Kansas City Royals signed LHP Stephen Milligan. |
| Jun 16, 2015 | Signed | Colton Frabasilio | — | Kansas City Royals | Kansas City Royals signed OF Colton Frabasilio. |
| Jun 16, 2015 | Signed | Jonathan McCray | — | Kansas City Royals | Kansas City Royals signed 2B Jonathan McCray. |
| Jun 16, 2015 | Signed | Tyler Carvalho | — | Kansas City Royals | Kansas City Royals signed RHP Tyler Carvalho. |
| Jun 16, 2015 | Signed | Alex Close | — | Kansas City Royals | Kansas City Royals signed C Alex Close. |
| Jun 16, 2015 | Signed | Jacob Bodner | — | Kansas City Royals | Kansas City Royals signed RHP Jacob Bodner. |
| Jun 16, 2015 | Signed | Mark McCoy | — | Kansas City Royals | Kansas City Royals signed LHP Mark McCoy. |
| Jun 16, 2015 | Signed | Luke Willis | — | Kansas City Royals | Kansas City Royals signed OF Luke Willis. |
| Jun 16, 2015 | Signed | Brian Bien | — | Kansas City Royals | Kansas City Royals signed SS Brian Bien. |
| Jun 16, 2015 | Signed | Jake Kalish | — | Kansas City Royals | Kansas City Royals signed LHP Jake Kalish. |
| Jun 16, 2015 | Signed | Nate Esposito | — | Kansas City Royals | Kansas City Royals signed C Nathan Esposito. |
| Jun 16, 2015 | Signed | Taylor Ostrich | — | Kansas City Royals | Kansas City Royals signed 1B Taylor Ostrich. |
| Jun 16, 2015 | Signed | Trey Stover | — | Kansas City Royals | Kansas City Royals signed SS Trey Stover. |
| Jun 16, 2015 | Signed | Anthony Hermelyn | — | Houston Astros | Houston Astros signed C Anthony Hermelyn. |
| Jun 16, 2015 | Signed | Trent Thornton | — | Houston Astros | Houston Astros signed RHP Trent Thornton. |
| Jun 16, 2015 | Signed | Scott Weathersby | — | Houston Astros | Houston Astros signed RHP Scott Weathersby. |
| Jun 16, 2015 | Signed | Pat Porter | — | Houston Astros | Houston Astros signed RF Pat Porter. |
| Jun 16, 2015 | Signed | Adam Whitt | — | Houston Astros | Houston Astros signed RHP Adam Whitt. |
| Jun 16, 2015 | Signed | Drew Ferguson | — | Houston Astros | Houston Astros signed OF Drew Ferguson. |
| Jun 16, 2015 | Signed | Brooks Marlow | — | Houston Astros | Houston Astros signed 2B Brooks Marlow. |
| Jun 16, 2015 | Signed | Keach Ballard | — | Houston Astros | Houston Astros signed SS Keach Ballard. |
| Jun 16, 2015 | Signed | Ryan Deemes | — | Houston Astros | Houston Astros signed RHP Ryan Deemes. |
| Jun 16, 2015 | Signed | Cody Jones | — | Kansas City Royals | Kansas City Royals signed CF Cody Jones. |
| Jun 16, 2015 | Signed | Devon Stewart | — | Cleveland Guardians | Cleveland Indians signed RHP Devon Stewart. |
| Jun 16, 2015 | Signed | Billy Strode | — | Cleveland Guardians | Cleveland Indians signed LHP Billy Strode. |
| Jun 16, 2015 | Signed | Ryan Perez | — | Cleveland Guardians | Cleveland Indians signed LHP Ryan Perez. |
| Jun 16, 2015 | Signed | Daniel Salters | — | Cleveland Guardians | Cleveland Indians signed C Daniel Salters. |
| Jun 16, 2015 | Signed | Anthony Miller | — | Cleveland Guardians | Cleveland Indians signed 1B Anthony Miller. |
| Jun 16, 2015 | Signed | Brock Hartson | — | Cleveland Guardians | Cleveland Indians signed RHP Brock Hartson. |
| Jun 16, 2015 | Signed | Jack Goihl | — | Cleveland Guardians | Cleveland Indians signed C Jack Goihl. |
| Jun 16, 2015 | Signed | Christian Meister | — | Cleveland Guardians | Cleveland Indians signed RHP Christian Meister. |
| Jun 16, 2015 | Signed | Ke'Bryan Hayes | — | Pittsburgh Pirates | Pittsburgh Pirates signed 3B Ke'Bryan Hayes. |
| Jun 16, 2015 | Signed | Ryan Mountcastle | — | Baltimore Orioles | Baltimore Orioles signed SS Ryan Mountcastle. |
| Jun 16, 2015 | Signed | Jacob Evans | — | St. Louis Cardinals | St. Louis Cardinals signed LHP Jacob Evans. |
| Jun 16, 2015 | Signed | Jesse Jenner | — | St. Louis Cardinals | St. Louis Cardinals signed C Jesse Jenner. |
| Jun 16, 2015 | Signed | Carson Cross | — | St. Louis Cardinals | St. Louis Cardinals signed RHP Carson Cross. |
| Jun 16, 2015 | Signed | Danny Martin | — | St. Louis Cardinals | St. Louis Cardinals signed 2B Daniel Martin. |
| Jun 16, 2015 | Signed | Greg Tomchick | — | St. Louis Cardinals | St. Louis Cardinals signed RHP Greg Tomchick. |
| Jun 16, 2015 | Signed | Thomas Spitz | — | St. Louis Cardinals | St. Louis Cardinals signed OF Tom Spitz. |
| Jun 16, 2015 | Signed | R.J. Dennard | — | St. Louis Cardinals | St. Louis Cardinals signed 1B R.J. Dennard. |
| Jun 16, 2015 | Signed as free agent | Jo-Jo Reyes | — | Los Angeles Angels | Los Angeles Angels signed free agent LHP Jo-Jo Reyes to a minor league contract. |
| Jun 16, 2015 | Signed | Nick Neidert | — | Seattle Mariners | Seattle Mariners signed RHP Nick Neidert. |
| Jun 16, 2015 | Signed | Cody Mobley | — | Seattle Mariners | Seattle Mariners signed RHP Cody Mobley. |
| Jun 16, 2015 | Signed | Jio Orozco | — | Seattle Mariners | Seattle Mariners signed RHP Jio Orozco. |
| Jun 16, 2015 | Signed | Ryne Inman | — | Seattle Mariners | Seattle Mariners signed RHP Ryne Inman. |
| Jun 16, 2015 | Signed | Rob Fonseca | — | Seattle Mariners | Seattle Mariners signed 1B Rob Fonseca. |
| Jun 16, 2015 | Signed | Joey Strain | — | Seattle Mariners | Seattle Mariners signed RHP Joey Strain. |
| Jun 16, 2015 | Signed | Joe Peeler | — | Seattle Mariners | Seattle Mariners signed RHP Joe Peeler. |
| Jun 16, 2015 | Signed | Ljay Newsome | — | Seattle Mariners | Seattle Mariners signed RHP Ljay Newsome. |
| Jun 16, 2015 | Signed | Michael Rivera | — | Seattle Mariners | Seattle Mariners signed RHP Michael Rivera. |
| Jun 16, 2015 | Signed | Taylor Perez | — | Seattle Mariners | Seattle Mariners signed SS Taylor Perez. |
| Jun 16, 2015 | Signed | Jared West | — | Seattle Mariners | Seattle Mariners signed LHP Jared West. |
| Jun 16, 2015 | Signed | Gus Craig | — | Seattle Mariners | Seattle Mariners signed OF Augustus Craig. |
| Jun 16, 2015 | Signed | Julius Gaines | — | Seattle Mariners | Seattle Mariners signed SS Julius Gaines. |
| Jun 16, 2015 | Signed | Gianni Zayas | — | Seattle Mariners | Seattle Mariners signed RHP Gianni Zayas. |
| Jun 16, 2015 | Signed as free agent | Nic Coffman | — | Arizona Diamondbacks | Arizona Diamondbacks signed free agent 3B Nic Coffman to a minor league contract. |
| Jun 16, 2015 | Signed as free agent | Jeremy Barfield | — | Colorado Rockies | Colorado Rockies signed free agent OF Jeremy Barfield to a minor league contract. |
| Jun 16, 2015 | Signed | Nestor Muriel | — | Houston Astros | Houston Astros signed CF Nestor Muriel. |
| Jun 16, 2015 | Signed | Johnny Sewald | — | Houston Astros | Houston Astros signed CF Johnny Sewald. |
| Jun 16, 2015 | Signed | Makay Nelson | — | Houston Astros | Houston Astros signed RHP Makay Nelson. |
| Jun 16, 2015 | Signed | Alex Winkelman | — | Houston Astros | Houston Astros signed LHP Alex Winkelman. |
| Jun 16, 2015 | Signed | Chris Murphy | — | Houston Astros | Houston Astros signed RHP Chris Murphy. |
| Jun 16, 2015 | Signed | Jorge Martinez | — | Houston Astros | Houston Astros signed C Jorge Martinez. |
| Jun 16, 2015 | Signed | Zac Grotz | — | Houston Astros | Houston Astros signed RHP Zac Grotz. |
| Jun 16, 2015 | Signed | Justin Lawrence | — | Colorado Rockies | Colorado Rockies signed RHP Justin Lawrence. |
| Jun 16, 2015 | Signed | Ryan McCormick | — | Colorado Rockies | Colorado Rockies signed RHP Ryan McCormick. |
| Jun 16, 2015 | Signed | Matt Meier | — | Colorado Rockies | Colorado Rockies signed RHP Matt Meier. |
| Jun 16, 2015 | Signed | Colin Welmon | — | Colorado Rockies | Colorado Rockies signed RHP Colin Welmon. |
| Jun 16, 2015 | Signed | Eric Toole | — | Colorado Rockies | Colorado Rockies signed OF Eric Toole. |
| Jun 16, 2015 | Signed | Brian Mundell | — | Colorado Rockies | Colorado Rockies signed 1B Brian Mundell. |
| Jun 16, 2015 | Signed | Collin Ferguson | — | Colorado Rockies | Colorado Rockies signed 1B Collin Ferguson. |
| Jun 16, 2015 | Signed | Scott Burcham | — | Colorado Rockies | Colorado Rockies signed SS Scott Burcham. |
| Jun 16, 2015 | Signed | Tyler Follis | — | Colorado Rockies | Colorado Rockies signed SS Tyler Follis. |
| Jun 16, 2015 | Signed | Christian Cecilio | — | San Diego Padres | San Diego Padres signed LHP Christian Cecilio. |
| Jun 16, 2015 | Signed | Louis Distasio | — | San Diego Padres | San Diego Padres signed RHP Louis Distasio. |
| Jun 16, 2015 | Signed | Jerry Keel | — | San Diego Padres | San Diego Padres signed LHP Jerry Keel. |
| Jun 16, 2015 | Signed | Brett Kennedy | — | San Diego Padres | San Diego Padres signed RHP Brett Kennedy. |
| Jun 16, 2015 | Signed | Phil Maton | — | San Diego Padres | San Diego Padres signed RHP Phil Maton. |
| Jun 16, 2015 | Signed | Trey Wingenter | — | San Diego Padres | San Diego Padres signed RHP Anthony Wingenter. |
| Jun 16, 2015 | Signed | Austin Allen | — | San Diego Padres | San Diego Padres signed C Austin Allen. |
| Jun 16, 2015 | Signed | Ty France | — | San Diego Padres | San Diego Padres signed 3B Ty France. |
| Jun 16, 2015 | Signed | Peter Van Gansen | — | San Diego Padres | San Diego Padres signed SS Peter Van Gansen. |
| Jun 16, 2015 | Signed | Justin Pacchioli | — | San Diego Padres | San Diego Padres signed OF Justin Pacchioli. |
| Jun 16, 2015 | Signed as free agent | Corban Joseph | — | Baltimore Orioles | Baltimore Orioles signed free agent 1B Corban Joseph to a minor league contract. |
| Jun 16, 2015 | Signed | Dante Flores | — | Chicago White Sox | Chicago White Sox signed 2B Dante Flores. |
| Jun 16, 2015 | Signed | Dylan Barrow | — | Chicago White Sox | Chicago White Sox signed RHP Dylan Barrow. |
| Jun 16, 2015 | Signed | Brantley Bell | — | Cincinnati Reds | Cincinnati Reds signed 2B Brantley Bell. |
| Jun 16, 2015 | Signed | Zack Shields | — | Cincinnati Reds | Cincinnati Reds signed OF Zach Shields. |
| Jun 16, 2015 | Signed | Ed Charlton | — | Cincinnati Reds | Cincinnati Reds signed OF Edward Charlton. |
| Jun 16, 2015 | Signed | Blake Trahan | — | Cincinnati Reds | Cincinnati Reds signed SS Blake Trahan. |
| Jun 16, 2015 | Signed | Mitch Piatnik | — | Cincinnati Reds | Cincinnati Reds signed SS Mitch Piatnik. |
| Jun 16, 2015 | Signed | Jimmy Herget | — | Cincinnati Reds | Cincinnati Reds signed RHP Jimmy Herget. |
| Jun 16, 2015 | Signed | Jordan Ramsey | — | Cincinnati Reds | Cincinnati Reds signed RHP Jordan Ramsey. |
| Jun 16, 2015 | Signed | Tanner Rainey | — | Cincinnati Reds | Cincinnati Reds signed RHP Tanner Rainey. |
| Jun 16, 2015 | Signed | Sarkis Ohanian | — | Cincinnati Reds | Cincinnati Reds signed RHP Sarkis Ohanian. |
| Jun 16, 2015 | Signed | Austin Orewiler | — | Cincinnati Reds | Cincinnati Reds signed RHP Austin Orewiler. |
| Jun 16, 2015 | Signed | Kyle Survance Jr. | — | Los Angeles Angels | Los Angeles Angels signed OF Kyle Survance Jr. |
| Jun 16, 2015 | Signed | Sam Pastrone | — | Los Angeles Angels | Los Angeles Angels signed RHP Samuel Pastrone. |
| Jun 16, 2015 | Signed as free agent | Edwin Maysonet | — | Milwaukee Brewers | Milwaukee Brewers signed free agent SS Edwin Maysonet to a minor league contract. |
| Jun 16, 2015 | Signed | Blake Allemand | — | Milwaukee Brewers | Milwaukee Brewers signed SS Blake Allemand. |
| Jun 16, 2015 | Signed | Jake Henson | — | Los Angeles Dodgers | Los Angeles Dodgers signed C Jake Henson. |
| Jun 16, 2015 | Signed | Logan Landon | — | Los Angeles Dodgers | Los Angeles Dodgers signed OF Logan Landon. |
| Jun 16, 2015 | Signed | Chris Godinez | — | Los Angeles Dodgers | Los Angeles Dodgers signed 2B Chris Godinez. |
| Jun 16, 2015 | Signed | Willie Calhoun | — | Los Angeles Dodgers | Los Angeles Dodgers signed 2B Willie Calhoun. |
| Jun 16, 2015 | Signed | Nick Dean | — | Los Angeles Dodgers | Los Angeles Dodgers signed SS Nick Dean. |
| Jun 16, 2015 | Signed | Matt Beaty | — | Los Angeles Dodgers | Los Angeles Dodgers signed IF Matthew Beaty. |
| Jun 16, 2015 | Signed | Scott Kingery | — | Philadelphia Phillies | Philadelphia Phillies signed 2B Scott Kingery. |
| Jun 16, 2015 | Signed | Kyle Martin | — | Philadelphia Phillies | Philadelphia Phillies signed 1B Kyle Martin. |
| Jun 16, 2015 | Signed | Luke Leftwich | — | Philadelphia Phillies | Philadelphia Phillies signed RHP Luke Leftwich. |
| Jun 16, 2015 | Signed | Greg Pickett | — | Philadelphia Phillies | Philadelphia Phillies signed RF Greg Pickett. |
| Jun 16, 2015 | Signed | Skylar Hunter | — | Philadelphia Phillies | Philadelphia Phillies signed RHP Skylar Hunter. |
| Jun 16, 2015 | Signed | Will Stewart | — | Philadelphia Phillies | Philadelphia Phillies signed LHP Will Stewart. |
| Jun 16, 2015 | Signed | Josh Delph | — | Los Angeles Angels | Los Angeles Angels signed OF Thomas Delph. |
| Jun 16, 2015 | Signed | Jake McDavid | — | Los Angeles Angels | Los Angeles Angels signed RHP Jacob McDavid. |
| Jun 16, 2015 | Signed | Jordan Serena | — | Los Angeles Angels | Los Angeles Angels signed SS Jordan Serena. |
| Jun 16, 2015 | Signed | Conor Lillis-White | — | Los Angeles Angels | Los Angeles Angels signed LHP Conor Lillis-White. |
| Jun 16, 2015 | Signed | Mark Seyler | — | New York Yankees | New York Yankees signed RHP Mark Seyler. |
| Jun 16, 2015 | Signed | Jeff Hendrix | — | New York Yankees | New York Yankees signed CF Jeff Hendrix. |
| Jun 16, 2015 | Signed | Zack Zehner | — | New York Yankees | New York Yankees signed LF Zack Zehner. |
| Jun 16, 2015 | Signed | Ty Jackson | — | Tampa Bay Rays | Tampa Bay Rays signed RHP Ty Jackson. |
| Jun 16, 2015 | Signed as free agent | Ty Nichols | — | Tampa Bay Rays | Tampa Bay Rays signed free agent RHP Ty Nichols to a minor league contract. |
| Jun 16, 2015 | Signed as free agent | Cody Semler | — | Tampa Bay Rays | Tampa Bay Rays signed free agent SS Cody Semler to a minor league contract. |
| Jun 16, 2015 | Signed | Austin Riley | — | Atlanta Braves | Atlanta Braves signed 3B Austin Riley. |
| Jun 16, 2015 | Signed as free agent | Matt Walsh | — | New York Yankees | New York Yankees signed free agent C Matt Walsh to a minor league contract. |
| Jun 16, 2015 | Signed | Jake Johnson | — | Cincinnati Reds | Cincinnati Reds signed RHP Jake Johnson. |
| Jun 16, 2015 | Signed | R.J. Dennard | — | St. Louis Cardinals | St. Louis Cardinals signed 1B R.J. Dennard. |
| Jun 16, 2015 | Signed as free agent | Drew Jackson | — | San Francisco Giants | San Francisco Giants signed free agent RHP Drew Jackson to a minor league contract. |
| Jun 16, 2015 | Signed | Jalen Miller | — | San Francisco Giants | San Francisco Giants signed SS Jalen Miller. |
| Jun 16, 2015 | Signed | Cameron Avila-Leeper | — | San Francisco Giants | San Francisco Giants signed LHP Cameron Avila-Leeper. |
| Jun 16, 2015 | Signed | David Graybill | — | San Francisco Giants | San Francisco Giants signed RHP David Graybill. |
| Jun 15, 2015 | Signed | Kyle Tucker | — | Houston Astros | Houston Astros signed OF Kyle Tucker. |
| Jun 15, 2015 | Signed | Trent Grisham | — | Milwaukee Brewers | Milwaukee Brewers signed CF Trent Clark. |
| Jun 15, 2015 | Signed | Cody Ponce | — | Milwaukee Brewers | Milwaukee Brewers signed RHP Cody Ponce. |
| Jun 15, 2015 | Signed | Nash Walters | — | Milwaukee Brewers | Milwaukee Brewers signed RHP Nash Walters. |
| Jun 15, 2015 | Signed | Matt Clancy | — | Seattle Mariners | Seattle Mariners signed LHP Matt Clancy. |
| Jun 15, 2015 | Signed | Darin Gillies | — | Seattle Mariners | Seattle Mariners signed RHP Darin Gillies. |
| Jun 15, 2015 | Signed | Anthony Misiewicz | — | Seattle Mariners | Seattle Mariners signed LHP Anthony Misiewicz. |
| Jun 15, 2015 | Signed | Andrew Moore | — | Seattle Mariners | Seattle Mariners signed RHP Andrew Moore. |
| Jun 15, 2015 | Signed | Joe Pistorese | — | Seattle Mariners | Seattle Mariners signed LHP Joseph Pistorese. |
| Jun 15, 2015 | Signed | Colin Tornberg | — | Seattle Mariners | Seattle Mariners signed RHP Colin Tornberg. |
| Jun 15, 2015 | Signed | Art Warren | — | Seattle Mariners | Seattle Mariners signed RHP Arthur Warren. |
| Jun 15, 2015 | Signed | Kyle Wilcox | — | Seattle Mariners | Seattle Mariners signed RHP Kyle Wilcox. |
| Jun 15, 2015 | Signed | P.J. Jones | — | Seattle Mariners | Seattle Mariners signed C Patrick Jones. |
| Jun 15, 2015 | Signed | Drew Jackson | — | Seattle Mariners | Seattle Mariners signed SS Drew Jackson. |
| Jun 15, 2015 | Signed | Logan Taylor | — | Seattle Mariners | Seattle Mariners signed LF Logan Taylor. |
| Jun 15, 2015 | Signed | Ryan Uhl | — | Seattle Mariners | Seattle Mariners signed 1B Ryan Uhl. |
| Jun 15, 2015 | Signed | Braden Bishop | — | Seattle Mariners | Seattle Mariners signed OF Braden Bishop. |
| Jun 15, 2015 | Signed | Lance Thonvold | — | Seattle Mariners | Seattle Mariners signed RHP Lance Thonvold. |
| Jun 15, 2015 | Signed | Eric Jenkins | — | Texas Rangers | Texas Rangers signed CF Eric Jenkins. |
| Jun 15, 2015 | Signed | Michael Matuella | — | Texas Rangers | Texas Rangers signed RHP Michael Matuella. |
| Jun 15, 2015 | Signed | Tyler Sanchez | — | Texas Rangers | Texas Rangers signed C Tyler Sanchez. |
| Jun 15, 2015 | Signed | Xavier Turner | — | Texas Rangers | Texas Rangers signed 3B Xavier Turner. |
| Jun 15, 2015 | Signed | Josh Altmann | — | Texas Rangers | Texas Rangers signed SS Josh Altmann. |
| Jun 15, 2015 | Signed | Tyler Davis | — | Texas Rangers | Texas Rangers signed RHP Tyler Davis. |
| Jun 15, 2015 | Signed | Jacob Shortslef | — | Texas Rangers | Texas Rangers signed RHP Jacob Shortslef. |
| Jun 15, 2015 | Signed | Clyde Kendrick | — | Texas Rangers | Texas Rangers signed LHP Clyde Kendrick. |
| Jun 15, 2015 | Signed | Maikor Mora | — | Texas Rangers | Texas Rangers signed RHP Maikor Mora. |
| Jun 15, 2015 | Signed | Jamie Potts | — | Texas Rangers | Texas Rangers signed OF Jamie Potts. |
| Jun 15, 2015 | Signed | John Werner | — | Texas Rangers | Texas Rangers signed RHP John Werner. |
| Jun 15, 2015 | Signed | CD Pelham | — | Texas Rangers | Texas Rangers signed LHP C.D. Pelham. |
| Jun 15, 2015 | Signed | Dean Long | — | Texas Rangers | Texas Rangers signed 3B Dean Long. |
| Jun 15, 2015 | Signed | Joeanthony Rivera | — | Texas Rangers | Texas Rangers signed LHP Joeanthony Rivera. |
| Jun 15, 2015 | Signed | Jon Harris | — | Toronto Blue Jays | Toronto Blue Jays signed RHP Jonathan Harris. |
| Jun 15, 2015 | Signed | Justin Maese | — | Toronto Blue Jays | Toronto Blue Jays signed RHP Justin Maese. |
| Jun 15, 2015 | Signed | Carl Wise | — | Toronto Blue Jays | Toronto Blue Jays signed 3B Carl Wise. |
| Jun 15, 2015 | Signed | Jose Espada | — | Toronto Blue Jays | Toronto Blue Jays signed RHP Jose Espada. |
| Jun 15, 2015 | Signed | J.C. Cardenas | — | Toronto Blue Jays | Toronto Blue Jays signed SS JC Cardenas. |
| Jun 15, 2015 | Signed | Travis Bergen | — | Toronto Blue Jays | Toronto Blue Jays signed LHP Travis Bergen. |
| Jun 15, 2015 | Signed | Connor Panas | — | Toronto Blue Jays | Toronto Blue Jays signed 3B Connor Panas. |
| Jun 15, 2015 | Signed | Owen Spiwak | — | Toronto Blue Jays | Toronto Blue Jays signed C Owen Spiwak. |
| Jun 15, 2015 | Signed | DJ McKnight | — | Toronto Blue Jays | Toronto Blue Jays signed OF DJ McKnight. |
| Jun 15, 2015 | Signed | Ryan Hissey | — | Toronto Blue Jays | Toronto Blue Jays signed C Ryan Hissey. |
| Jun 15, 2015 | Signed | Jackson McClelland | — | Toronto Blue Jays | Toronto Blue Jays signed RHP Jackson McClelland. |
| Jun 15, 2015 | Signed | Christian Williams | — | Toronto Blue Jays | Toronto Blue Jays signed 1B Christian Williams. |
| Jun 15, 2015 | Signed | Geno Encina | — | Toronto Blue Jays | Toronto Blue Jays signed RHP Geno Encina. |
| Jun 15, 2015 | Signed | John La Prise | — | Toronto Blue Jays | Toronto Blue Jays signed 3B John La Prise. |
| Jun 15, 2015 | Signed | Tyler Burden | — | Toronto Blue Jays | Toronto Blue Jays signed RHP Tyler Burden. |
| Jun 15, 2015 | Signed | Tayler Saucedo | — | Toronto Blue Jays | Toronto Blue Jays signed LHP Tayler Saucedo. |
| Jun 15, 2015 | Signed | Nick Sinay | — | Toronto Blue Jays | Toronto Blue Jays signed OF Nicholas Sinay. |
| Jun 15, 2015 | Signed | Juandy Mendoza | — | Toronto Blue Jays | Toronto Blue Jays signed SS Juandy Mendoza. |
| Jun 15, 2015 | Signed | Jake Thomas | — | Toronto Blue Jays | Toronto Blue Jays signed OF Jake Thomas. |
| Jun 15, 2015 | Signed | Levi Scott | — | Toronto Blue Jays | Toronto Blue Jays signed 1B Levi Scott. |
| Jun 15, 2015 | Signed | Earl Burl III | — | Toronto Blue Jays | Toronto Blue Jays signed OF Earl Burl III. |
| Jun 15, 2015 | Signed | Josh DeGraaf | — | Toronto Blue Jays | Toronto Blue Jays signed RHP Josh Degraaf. |
| Jun 15, 2015 | Signed | Andrew Guillotte | — | Toronto Blue Jays | Toronto Blue Jays signed 2B Andrew Guillotte. |
| Jun 15, 2015 | Signed | Kalik May | — | Toronto Blue Jays | Toronto Blue Jays signed OF Kalik May. |
| Jun 15, 2015 | Signed | Hunter Barnett | — | Toronto Blue Jays | Toronto Blue Jays signed LHP Hunter Barnett. |
| Jun 15, 2015 | Signed | Stuart Holmes | — | Toronto Blue Jays | Toronto Blue Jays signed LHP Stuart Holmes. |
| Jun 15, 2015 | Signed | Lance Jones | — | Toronto Blue Jays | Toronto Blue Jays signed OF Lance Jones. |
| Jun 15, 2015 | Signed | Josh Reavis | — | Toronto Blue Jays | Toronto Blue Jays signed C Josh Reavis. |
| Jun 15, 2015 | Signed | Mattingly Romanin | — | Toronto Blue Jays | Toronto Blue Jays signed 2B Mattingly Romanin. |
| Jun 15, 2015 | Signed | Robert Lucido | — | Toronto Blue Jays | Toronto Blue Jays signed C Robert Lucido. |
| Jun 15, 2015 | Signed as free agent | Nate Abel | — | Toronto Blue Jays | Toronto Blue Jays signed free agent LHP Nate Abel to a minor league contract. |
| Jun 15, 2015 | Signed as free agent | Ryan Cook | — | Toronto Blue Jays | Toronto Blue Jays signed free agent RHP Ryan Cook to a minor league contract. |
| Jun 15, 2015 | Signed | Gunner Eastman | — | Toronto Blue Jays | Toronto Blue Jays signed RHP Gunner Eastman. |
| Jun 15, 2015 | Signed as free agent | Zach Rodgers | — | Toronto Blue Jays | Toronto Blue Jays signed free agent RHP Zachary Rodgers to a minor league contract. |
| Jun 15, 2015 | Signed as free agent | John Kravetz | — | Toronto Blue Jays | Toronto Blue Jays signed free agent RHP John Kravetz to a minor league contract. |
| Jun 15, 2015 | Signed as free agent | Nash Knight | — | Toronto Blue Jays | Toronto Blue Jays signed free agent 3B Nash Knight to a minor league contract. |
| Jun 15, 2015 | Signed | Mike Estevez | — | Toronto Blue Jays | Toronto Blue Jays signed RHP Mike Estevez. |
| Jun 15, 2015 | Signed | Adam Choplick | — | Texas Rangers | Texas Rangers signed LHP Adam Choplick. |
| Jun 15, 2015 | Signed | Pete Fairbanks | — | Texas Rangers | Texas Rangers signed RHP Peter Fairbanks. |
| Jun 15, 2015 | Signed as free agent | John Kukuruda | — | Texas Rangers | Texas Rangers signed free agent RHP John Kukuruda to a minor league contract. |
| Jun 15, 2015 | Signed | Ashton Perritt | — | Texas Rangers | Texas Rangers signed RHP Ashton Perritt. |
| Jun 15, 2015 | Signed | Jason Richman | — | Texas Rangers | Texas Rangers signed LHP Jason Richman. |
| Jun 15, 2015 | Signed as free agent | Dan Scheibe | — | Texas Rangers | Texas Rangers signed free agent RHP Dan Scheibe to a minor league contract. |
| Jun 15, 2015 | Signed | Jeffrey Springs | — | Texas Rangers | Texas Rangers signed LHP Jeffrey Springs. |
| Jun 15, 2015 | Signed as free agent | Griffin Glaude | — | Toronto Blue Jays | Toronto Blue Jays signed free agent RHP Griffin Glaude to a minor league contract. |
| Jun 15, 2015 | Signed | Bryant Holtmann | — | Arizona Diamondbacks | Arizona Diamondbacks signed LHP Bryant Holtmann. |
| Jun 15, 2015 | Signed | Francis Christy | — | Arizona Diamondbacks | Arizona Diamondbacks signed C Francis Christy. |
| Jun 15, 2015 | Signed | Luke Lowery | — | Arizona Diamondbacks | Arizona Diamondbacks signed C Luke Lowery. |
| Jun 15, 2015 | Signed | Austin Byler | — | Arizona Diamondbacks | Arizona Diamondbacks signed 1B Austin Byler. |
| Jun 15, 2015 | Signed | Kal Simmons | — | Arizona Diamondbacks | Arizona Diamondbacks signed SS Kal Simmons. |
| Jun 15, 2015 | Signed | Joey Armstrong | — | Arizona Diamondbacks | Arizona Diamondbacks signed OF Joey Armstrong. |
| Jun 15, 2015 | Signed | Zach Hoffpauir | — | Arizona Diamondbacks | Arizona Diamondbacks signed OF Zach Hoffpauir. |
| Jun 15, 2015 | Signed | Grayson Long | — | Los Angeles Angels | Los Angeles Angels signed Grayson Long. |
| Jun 15, 2015 | Signed | Tim Arakawa | — | Los Angeles Angels | Los Angeles Angels signed 2B Tim Arakawa. |
| Jun 15, 2015 | Signed | Hayden Jones | — | Colorado Rockies | Colorado Rockies signed RHP Hayden Jones. |
| Jun 15, 2015 | Signed as free agent | Carlos Peguero | — | Boston Red Sox | Boston Red Sox signed free agent LF Carlos Peguero to a minor league contract. |
| Jun 15, 2015 | Signed | Nick Flair | — | Los Angeles Angels | Los Angeles Angels signed SS Nick Flair. |
| Jun 15, 2015 | Signed | Zach Coppola | — | Philadelphia Phillies | Philadelphia Phillies signed OF Zachary Coppola. |
| Jun 15, 2015 | Signed | Austin Bossart | — | Philadelphia Phillies | Philadelphia Phillies signed C Austin Bossart. |
| Jun 15, 2015 | Signed | Dylan Bosheers | — | Philadelphia Phillies | Philadelphia Phillies signed SS Dylan Bosheers. |
| Jun 15, 2015 | Signed | Brendon Hayden | — | Philadelphia Phillies | Philadelphia Phillies signed IF Brendon Hayden. |
| Jun 15, 2015 | Signed | Kenny Koplove | — | Philadelphia Phillies | Philadelphia Phillies signed RHP Kenneth Koplove. |
| Jun 15, 2015 | Signed | Greg Brodzinski | — | Philadelphia Phillies | Philadelphia Phillies signed C Gregory Brodzinski. |
| Jun 15, 2015 | Signed | Robert Tasin | — | Philadelphia Phillies | Philadelphia Phillies signed RHP Robert Tasin. |
| Jun 15, 2015 | Signed | Kevin Walsh | — | Philadelphia Phillies | Philadelphia Phillies signed RHP Kevin Walsh. |
| Jun 15, 2015 | Signed | Sutter McLoughlin | — | Philadelphia Phillies | Philadelphia Phillies signed RHP Sutter McLoughlin. |
| Jun 15, 2015 | Signed | Anthony Sequeira | — | Philadelphia Phillies | Philadelphia Phillies signed RHP Anthony Sequeira. |
| Jun 15, 2015 | Signed | Zach Morris | — | Philadelphia Phillies | Philadelphia Phillies signed LHP Zach Morris. |
| Jun 15, 2015 | Signed | Andrew Godail | — | Philadelphia Phillies | Philadelphia Phillies signed LHP Andrew Godail. |
| Jun 15, 2015 | Signed | Jake Reppert | — | Philadelphia Phillies | Philadelphia Phillies signed LHP Jake Reppert. |
| Jun 15, 2015 | Signed | Gandy Stubblefield | — | Philadelphia Phillies | Philadelphia Phillies signed RHP Horace Stubblefield. |
| Jun 15, 2015 | Signed | Andrew Amaro | — | Philadelphia Phillies | Philadelphia Phillies signed OF Andrew Amaro. |
| Jun 15, 2015 | Signed | Dalton Dulin | — | Washington Nationals | Washington Nationals signed 2B Dalton Dulin. |
| Jun 15, 2015 | Signed | David Kerian | — | Washington Nationals | Washington Nationals signed SS David Kerian. |
| Jun 15, 2015 | Signed | Ian Sagdal | — | Washington Nationals | Washington Nationals signed 2B Ian Sagdal. |
| Jun 15, 2015 | Signed as free agent | Alex Schmidt | — | Tampa Bay Rays | Tampa Bay Rays signed free agent 3B Alex Schmidt to a minor league contract. |
| Jun 15, 2015 | Signed as free agent | Peter Maris | — | Tampa Bay Rays | Tampa Bay Rays signed free agent 3B Peter Maris to a minor league contract. |
| Jun 15, 2015 | Signed as free agent | Jonathan Popadics | — | Tampa Bay Rays | Tampa Bay Rays signed free agent SS Jonathan Popadics to a minor league contract. |
| Jun 15, 2015 | Signed as free agent | John Williams | — | Tampa Bay Rays | Tampa Bay Rays signed free agent RHP John Williams to a minor league contract. |
| Jun 15, 2015 | Signed as free agent | Jovany Felipe | — | Tampa Bay Rays | Tampa Bay Rays signed free agent C Jovany Felipe to a minor league contract. |
| Jun 15, 2015 | Signed as free agent | Will Barring | — | New York Mets | New York Mets signed free agent OF William Barring to a minor league contract. |
| Jun 15, 2015 | Signed | Kenneth Bautista | — | New York Mets | New York Mets signed OF Kenneth Bautista. |
| Jun 15, 2015 | Signed | Ben Libuda | — | Atlanta Braves | Atlanta Braves signed LHP Ben Libuda. |
| Jun 15, 2015 | Signed | Lucas Herbert | — | Atlanta Braves | Atlanta Braves signed C Lucas Herbert. |
| Jun 15, 2015 | Signed | Nick Plummer | — | St. Louis Cardinals | St. Louis Cardinals signed OF Nick Plummer. |
| Jun 15, 2015 | Signed | Orlando Olivera | — | St. Louis Cardinals | St. Louis Cardinals signed OF Orlando Olivera. |
| Jun 15, 2015 | Signed | Dylan Tice | — | St. Louis Cardinals | St. Louis Cardinals signed 2B Dylan Tice. |
| Jun 15, 2015 | Signed | Dylan Tice | — | St. Louis Cardinals | St. Louis Cardinals signed 2B Dylan Tice. |
| Jun 15, 2015 | Signed as free agent | Allen Staton | — | St. Louis Cardinals | St. Louis Cardinals signed free agent C Allen Staton to a minor league contract. |
| Jun 15, 2015 | Signed as free agent | Michael Polcyn | — | St. Louis Cardinals | St. Louis Cardinals signed free agent SS Michael Polcyn to a minor league contract. |
| Jun 15, 2015 | Signed | Joey Hawkins | — | St. Louis Cardinals | St. Louis Cardinals signed 2B Joseph Hawkins. |
| Jun 15, 2015 | Signed | Stephen Zavala | — | St. Louis Cardinals | St. Louis Cardinals signed C Stephen Zavala. |
| Jun 15, 2015 | Signed | Jake Woodford | — | St. Louis Cardinals | St. Louis Cardinals signed RHP Jake Woodford. |
| Jun 15, 2015 | Signed | Jordan Hicks | — | St. Louis Cardinals | St. Louis Cardinals signed RHP Jordan Hicks. |
| Jun 15, 2015 | Signed as free agent | Brady Bowen | — | St. Louis Cardinals | St. Louis Cardinals signed free agent LHP Brady Bowen to a minor league contract. |
| Jun 15, 2015 | Signed | Jaylin Davis | — | Minnesota Twins | Minnesota Twins signed LF Jaylin Davis. |
| Jun 15, 2015 | Signed | Kolton Kendrick | — | Minnesota Twins | Minnesota Twins signed 1B Kolton Kendrick. |
| Jun 15, 2015 | Signed | Trey Cabbage | — | Minnesota Twins | Minnesota Twins signed 3B Trey Cabbage. |
| Jun 15, 2015 | Signed | Travis Blankenhorn | — | Minnesota Twins | Minnesota Twins signed 3B Travis Blankenhorn. |
| Jun 15, 2015 | Signed | Brian Olson | — | Minnesota Twins | Minnesota Twins signed C Brian Olson. |
| Jun 15, 2015 | Signed | Kerby Camacho | — | Minnesota Twins | Minnesota Twins signed C Kerby Camacho. |
| Jun 15, 2015 | Signed | Paul DeJong | — | St. Louis Cardinals | St. Louis Cardinals signed 3B Paul DeJong. |
| Jun 15, 2015 | Signed | Luke Doyle | — | St. Louis Cardinals | St. Louis Cardinals signed 2B Luke Doyle. |
| Jun 15, 2015 | Signed | Hunter Newman | — | St. Louis Cardinals | St. Louis Cardinals signed 1B Hunter Newman. |
| Jun 15, 2015 | Signed as free agent | Josh Swirchak | — | St. Louis Cardinals | St. Louis Cardinals signed free agent 2B Josh Swirchak to a minor league contract. |
| Jun 15, 2015 | Signed | Craig Aikin | — | St. Louis Cardinals | St. Louis Cardinals signed CF Craig Aikin. |
| Jun 15, 2015 | Signed | Chandler Hawkins | — | St. Louis Cardinals | St. Louis Cardinals signed LHP Chandler Hawkins. |
| Jun 15, 2015 | Signed | Ryan Helsley | — | St. Louis Cardinals | St. Louis Cardinals signed RHP Ryan Helsley. |
| Jun 15, 2015 | Signed as free agent | Harley Holt | — | St. Louis Cardinals | St. Louis Cardinals signed free agent RHP Harley Holt to a minor league contract. |
| Jun 15, 2015 | Signed | Ben Yokley | — | St. Louis Cardinals | St. Louis Cardinals signed RHP Ben Yokley. |
| Jun 15, 2015 | Signed | Kane Sweeney | — | New York Yankees | New York Yankees signed 1B Kane Sweeney. |
| Jun 15, 2015 | Signed | Kevin Newman | — | Pittsburgh Pirates | Pittsburgh Pirates signed SS Kevin Newman. |
| Jun 15, 2015 | Signed | Logan James | — | Seattle Mariners | Seattle Mariners signed LHP Logan James. |
| Jun 15, 2015 | Signed | C.J. Hinojosa | — | San Francisco Giants | San Francisco Giants signed SS C.J. Hinojosa. |
| Jun 15, 2015 | Signed | Jose Vizcaino Jr. | — | San Francisco Giants | San Francisco Giants signed SS Jose Vizcaino. |
| Jun 15, 2015 | Signed | Ronnie Jebavy | — | San Francisco Giants | San Francisco Giants signed OF Ronnie Jebavy. |
| Jun 15, 2015 | Signed | Dillon Dobson | — | San Francisco Giants | San Francisco Giants signed SS Dillon Dobson. |
| Jun 15, 2015 | Signed | Philip Diedrick | — | Washington Nationals | Washington Nationals signed LF Philip Diedrick. |
| Jun 15, 2015 | Signed as free agent | Martin Buitimea | — | Texas Rangers | Texas Rangers signed free agent RHP Martin Buitimea to a minor league contract. |
| Jun 15, 2015 | Signed as free agent | Andrison Pena | — | Texas Rangers | Texas Rangers signed free agent SS Andrison Pena to a minor league contract. |
| Jun 15, 2015 | Signed as free agent | Isiah Gilliam | — | New York Yankees | New York Yankees signed free agent OF Isiah Gilliam to a minor league contract. |
| Jun 15, 2015 | Signed as free agent | Angel Felipe | — | Tampa Bay Rays | Tampa Bay Rays signed free agent RHP Angel Felipe to a minor league contract. |
| Jun 14, 2015 | Trade | Trea Turner | San Diego Padres | Washington Nationals | San Diego Padres traded SS Trea Turner to Washington Nationals. |
| Jun 14, 2015 | Signed | Kyle Barrett | — | Miami Marlins | Miami Marlins signed OF Kyle Barrett. |
| Jun 14, 2015 | Signed | Kyle Keller | — | Miami Marlins | Miami Marlins signed RHP Kyle Keller. |
| Jun 14, 2015 | Signed | LJ Brewster | — | Miami Marlins | Miami Marlins signed RHP LJ Brewster. |
| Jun 14, 2015 | Signed | Trevor Lacosse | — | Miami Marlins | Miami Marlins signed LHP Trevor Lacosse. |
| Jun 14, 2015 | Signed | Alexander Fernandez Jr. | — | Miami Marlins | Miami Marlins signed OF Alex Fernandez. |
| Jun 14, 2015 | Signed | Obed Diaz | — | Miami Marlins | Miami Marlins signed RHP Obed Diaz. |
| Jun 14, 2015 | Signed | Taylor Munden | — | Miami Marlins | Miami Marlins signed SS Taylor Munden. |
| Jun 14, 2015 | Signed | Jeff Kinley | — | Miami Marlins | Miami Marlins signed LHP Jeffrey Kinley. |
| Jun 14, 2015 | Signed | Ben Meyer | — | Miami Marlins | Miami Marlins signed RHP Ben Meyer. |
| Jun 14, 2015 | Signed | Joseph Chavez | — | Miami Marlins | Miami Marlins signed SS Joseph Chavez. |
| Jun 14, 2015 | Signed | Kris Goodman | — | Miami Marlins | Miami Marlins signed 3B Kris Goodman. |
| Jun 14, 2015 | Signed | Brandon Rawe | — | Miami Marlins | Miami Marlins signed OF Brandon Rawe. |
| Jun 14, 2015 | Signed | Gunnar Kines | — | Miami Marlins | Miami Marlins signed LHP Gunnar Kines. |
| Jun 14, 2015 | Signed | Giovanny Alfonzo | — | Miami Marlins | Miami Marlins signed SS Giovanny Alfonzo. |
| Jun 14, 2015 | Signed | Alexis Olmeda | — | Arizona Diamondbacks | Arizona Diamondbacks signed C Alexis Olmeda. |
| Jun 14, 2015 | Signed | Aaron Cox | — | Los Angeles Angels | Los Angeles Angels signed RHP Aaron Cox. |
| Jun 14, 2015 | Signed | Ronnie Glenn | — | Los Angeles Angels | Los Angeles Angels signed LHP Ronnie Glenn. |
| Jun 14, 2015 | Signed | Cody Pope | — | Los Angeles Angels | Los Angeles Angels signed RHP Cody Pope. |
| Jun 14, 2015 | Signed | David Fletcher | — | Los Angeles Angels | Los Angeles Angels signed SS David Fletcher. |
| Jun 14, 2015 | Signed | Michael Pierson | — | Los Angeles Angels | Los Angeles Angels signed 3B Michael Pierson. |
| Jun 14, 2015 | Signed | Nate Bertness | — | Los Angeles Angels | Los Angeles Angels signed LHP Nathan Bertness. |
| Jun 14, 2015 | Signed as free agent | Blair Beck | — | Tampa Bay Rays | Tampa Bay Rays signed free agent OF Blair Beck to a minor league contract. |
| Jun 14, 2015 | Signed | Collin Yelich | — | Atlanta Braves | Atlanta Braves signed C Collin Yelich. |
| Jun 14, 2015 | Signed | A.J. Minter | — | Atlanta Braves | Atlanta Braves signed LHP Alex Minter. |
| Jun 13, 2015 | Released | Everth Cabrera | — | Baltimore Orioles | Baltimore Orioles released SS Everth Cabrera. |
| Jun 13, 2015 | Trade | Brad Wieck | New York Mets | San Diego Padres | New York Mets traded LHP Brad Wieck to San Diego Padres. |
| Jun 13, 2015 | Signed | Dakota Chalmers | — | Athletics | Oakland Athletics signed RHP Dakota Chalmers. |
| Jun 13, 2015 | Signed | Chris Iriart | — | Athletics | Oakland Athletics signed 1B Chris Iriart. |
| Jun 13, 2015 | Signed | Ryan Howell | — | Athletics | Oakland Athletics signed 2B Ryan Howell. |
| Jun 13, 2015 | Signed | Dustin Hurlbutt | — | Athletics | Oakland Athletics signed RHP Dustin Hurlbutt. |
| Jun 13, 2015 | Signed | Brett Sunde | — | Athletics | Oakland Athletics signed C Brett Sunde. |
| Jun 13, 2015 | Signed | Seth Brown | — | Athletics | Oakland Athletics signed 1B Seth Brown. |
| Jun 13, 2015 | Signed | Andrew Tomasovich | — | Athletics | Oakland Athletics signed LHP Andrew Tomasovich. |
| Jun 13, 2015 | Signed | Jordan Devencenzi | — | Athletics | Oakland Athletics signed C Jordan Devencenzi. |
| Jun 13, 2015 | Signed | Tim Proudfoot | — | Athletics | Oakland Athletics signed SS Tim Proudfoot. |
| Jun 13, 2015 | Signed as free agent | Matt Lees | — | Arizona Diamondbacks | Arizona Diamondbacks signed free agent LHP Matthew Lees to a minor league contract. |
| Jun 13, 2015 | Signed as free agent | Kyle Hudson | — | Los Angeles Dodgers | Los Angeles Dodgers signed free agent LF Kyle Hudson to a minor league contract. |
| Jun 13, 2015 | Signed | Ryan Burr | — | Arizona Diamondbacks | Arizona Diamondbacks signed RHP Ryan Burr. |
| Jun 13, 2015 | Signed | Josh Anderson | — | Arizona Diamondbacks | Arizona Diamondbacks signed 3B Josh Anderson. |
| Jun 13, 2015 | Signed | Taylor Cobb | — | Los Angeles Angels | Los Angeles Angels signed RHP Taylor Cobb. |
| Jun 13, 2015 | Signed | Travis Herrin | — | Los Angeles Angels | Los Angeles Angels signed RHP Travis Herrin. |
| Jun 13, 2015 | Signed | Jimmy Barnes | — | Los Angeles Angels | Los Angeles Angels signed 3B Jimmy Barnes. |
| Jun 13, 2015 | Signed | Sam Koenig | — | Los Angeles Angels | Los Angeles Angels signed 3B Sam Koenig. |
| Jun 13, 2015 | Signed | Winston Lavendier | — | Los Angeles Angels | Los Angeles Angels signed LHP Winston Lavendier. |
| Jun 13, 2015 | Signed | Sam McDonnell | — | Los Angeles Angels | Los Angeles Angels signed OF Sam McDonnell. |
| Jun 13, 2015 | Signed | Kolton Mahoney | — | New York Yankees | New York Yankees signed RHP Kolton Mahoney. |
| Jun 13, 2015 | Signed | James Reeves | — | New York Yankees | New York Yankees signed LHP James Reeves. |
| Jun 13, 2015 | Signed | Bryan Bonnell | — | Tampa Bay Rays | Tampa Bay Rays signed RHP Bryan Bonnell. |
| Jun 13, 2015 | Signed | Trey Amburgey | — | New York Yankees | New York Yankees signed CF Trey Amburgey. |
| Jun 13, 2015 | Signed | Dustin Cook | — | New York Yankees | New York Yankees signed RHP Dustin Cook. |
| Jun 13, 2015 | Signed | Chad Martin | — | New York Yankees | New York Yankees signed RHP Chad Martin. |
| Jun 13, 2015 | Signed | Sam Triece | — | Tampa Bay Rays | Tampa Bay Rays signed RHP Sam Triece. |
| Jun 13, 2015 | Signed | Edwin Drexler | — | Los Angeles Dodgers | Los Angeles Dodgers signed OF Edwin Drexler. |
| Jun 12, 2015 | Signed | Zack Erwin | — | Chicago White Sox | Chicago White Sox signed Zack Erwin. |
| Jun 12, 2015 | Signed | Jordan Stephens | — | Chicago White Sox | Chicago White Sox signed RHP Jordan Stephens. |
| Jun 12, 2015 | Signed | Corey Zangari | — | Chicago White Sox | Chicago White Sox signed IF Corey Zangari. |
| Jun 12, 2015 | Signed | Blake Hickman | — | Chicago White Sox | Chicago White Sox signed C Blake Hickman. |
| Jun 12, 2015 | Signed | Casey Schroeder | — | Chicago White Sox | Chicago White Sox signed C Casey Schroeder. |
| Jun 12, 2015 | Signed | Ryan Hinchley | — | Chicago White Sox | Chicago White Sox signed LHP Ryan Hinchley. |
| Jun 12, 2015 | Signed | Jackson Glines | — | Chicago White Sox | Chicago White Sox signed OF Jackson Glines. |
| Jun 12, 2015 | Signed | Danny Dopico | — | Chicago White Sox | Chicago White Sox signed RHP Danny Dopico. |
| Jun 12, 2015 | Signed | Ryan Riga | — | Chicago White Sox | Chicago White Sox signed LHP Ryan Riga. |
| Jun 12, 2015 | Signed | Tyler Sullivan | — | Chicago White Sox | Chicago White Sox signed OF Tyler Sullivan. |
| Jun 12, 2015 | Signed | Chris Comito | — | Chicago White Sox | Chicago White Sox signed RHP Christopher Comito. |
| Jun 12, 2015 | Signed | Brandon Quintero | — | Chicago White Sox | Chicago White Sox signed RHP Brandon Quintero. |
| Jun 12, 2015 | Signed | Sikes Orvis | — | Chicago White Sox | Chicago White Sox signed IF Sikes Orvis. |
| Jun 12, 2015 | Signed | Frank Califano | — | Chicago White Sox | Chicago White Sox signed OF Frank Califano. |
| Jun 12, 2015 | Signed | Jacob Cooper | — | Chicago White Sox | Chicago White Sox signed C Jacob Cooper. |
| Jun 12, 2015 | Trade | Ronald Torreyes | Toronto Blue Jays | Los Angeles Dodgers | Toronto Blue Jays traded SS Ronald Torreyes to Los Angeles Dodgers for cash. |
| Jun 12, 2015 | Signed | Landon Lassiter | — | Chicago White Sox | Chicago White Sox signed SS Landon Lassiter. |
| Jun 12, 2015 | Signed | Danny Mendick | — | Chicago White Sox | Chicago White Sox signed SS Daniel Mendick. |
| Jun 12, 2015 | Signed | Brandon Magallones | — | Chicago White Sox | Chicago White Sox signed RHP Brandon Magallones. |
| Jun 12, 2015 | Signed | Grant Massey | — | Chicago White Sox | Chicago White Sox signed SS Grant Massey. |
| Jun 12, 2015 | Signed | Bradley Strong | — | Chicago White Sox | Chicago White Sox signed SS Bradley Strong. |
| Jun 12, 2015 | Signed | Jack Charleston | — | Chicago White Sox | Chicago White Sox signed RHP Jack Charleston. |
| Jun 12, 2015 | Signed | David Walker | — | Chicago White Sox | Chicago White Sox signed 2B David Walker. |
| Jun 12, 2015 | Signed | Johnathan Frebis | — | Chicago White Sox | Chicago White Sox signed LHP Johnathan Frebis. |
| Jun 12, 2015 | Signed | Drew Hasler | — | Chicago White Sox | Chicago White Sox signed RHP Drew Hasler. |
| Jun 12, 2015 | Signed | Dillon Tate | — | Texas Rangers | Texas Rangers signed RHP Dillon Tate. |
| Jun 12, 2015 | Signed | Jake Lemoine | — | Texas Rangers | Texas Rangers signed RHP Jacob Lemoine. |
| Jun 12, 2015 | Signed | Dylan Moore | — | Texas Rangers | Texas Rangers signed SS Dylan Moore. |
| Jun 12, 2015 | Signed | Blake Bass | — | Texas Rangers | Texas Rangers signed RHP Blake Bass. |
| Jun 12, 2015 | Signed | Leon Byrd | — | Texas Rangers | Texas Rangers signed 2B Leon Byrd. |
| Jun 12, 2015 | Signed | LeDarious Clark | — | Texas Rangers | Texas Rangers signed OF LaDarious Clark. |
| Jun 12, 2015 | Signed | JT Brubaker | — | Pittsburgh Pirates | Pittsburgh Pirates signed RHP Jonathan Brubaker. |
| Jun 12, 2015 | Signed | Seth McGarry | — | Pittsburgh Pirates | Pittsburgh Pirates signed RHP Seth McGarry. |
| Jun 12, 2015 | Signed | Bret Helton | — | Pittsburgh Pirates | Pittsburgh Pirates signed RHP Bret Helton. |
| Jun 12, 2015 | Signed | Seby Zavala | — | Chicago White Sox | Chicago White Sox signed C Seby Zavala. |
| Jun 12, 2015 | Signed | Jake Fincher | — | Chicago White Sox | Chicago White Sox signed OF Jake Fincher. |
| Jun 12, 2015 | Signed | Mikey White | — | Athletics | Oakland Athletics signed IF Mikey White. |
| Jun 12, 2015 | Signed | Kevin Duchene | — | Athletics | Oakland Athletics signed LHP Kevin Duchene. |
| Jun 12, 2015 | Signed | Bubba Derby | — | Athletics | Oakland Athletics signed Bubba Derby. |
| Jun 12, 2015 | Signed | Kyle Friedrichs | — | Athletics | Oakland Athletics signed RHP Kyle Friedrichs. |
| Jun 12, 2015 | Signed | Nick Collins | — | Athletics | Oakland Athletics signed C Nick Collins. |
| Jun 12, 2015 | Signed | Jared Lyons | — | Athletics | Oakland Athletics signed LHP Jared Lyons. |
| Jun 12, 2015 | Signed | Steven Pallares | — | Athletics | Oakland Athletics signed OF Steven Pallares. |
| Jun 12, 2015 | Signed | Brett Siddall | — | Athletics | Oakland Athletics signed OF Brett Siddall. |
| Jun 12, 2015 | Signed | James Naile | — | Athletics | Oakland Athletics signed RHP James Naile. |
| Jun 12, 2015 | Signed | Heath Bowers | — | Athletics | Oakland Athletics signed RHP Heath Bowers. |
| Jun 12, 2015 | Signed | Evan Manarino | — | Athletics | Oakland Athletics signed LHP Evan Manarino. |
| Jun 12, 2015 | Signed | Marc Berube | — | Athletics | Oakland Athletics signed RHP Marc Berube. |
| Jun 12, 2015 | Signed | Armando Ruiz | — | Athletics | Oakland Athletics signed RHP Armando Ruiz. |
| Jun 12, 2015 | Signed | Brendan Butler | — | Athletics | Oakland Athletics signed RHP Brendan Butler. |
| Jun 12, 2015 | Signed | John Gorman | — | Athletics | Oakland Athletics signed RHP John Gorman. |
| Jun 12, 2015 | Signed | Michael Murray | — | Athletics | Oakland Athletics signed RHP Michael Murray. |
| Jun 12, 2015 | Signed | Mike Martin | — | Athletics | Oakland Athletics signed OF Mike Martin. |
| Jun 12, 2015 | Signed | Shane Conlon | — | Athletics | Oakland Athletics signed 1B Shane Conlon. |
| Jun 12, 2015 | Signed | Tyler Stephenson | — | Cincinnati Reds | Cincinnati Reds signed C Tyler Stephenson. |
| Jun 12, 2015 | Signed | Keegan Long | — | Arizona Diamondbacks | Arizona Diamondbacks signed RHP Keegan Long. |
| Jun 12, 2015 | Signed | Will Lowman | — | Arizona Diamondbacks | Arizona Diamondbacks signed LHP Will Lowman. |
| Jun 12, 2015 | Signed | Austin Mason | — | Arizona Diamondbacks | Arizona Diamondbacks signed RHP Austin Mason. |
| Jun 12, 2015 | Signed | Cameron Smith | — | Arizona Diamondbacks | Arizona Diamondbacks signed LHP Cameron Smith. |
| Jun 12, 2015 | Signed | Jeff Smith | — | Arizona Diamondbacks | Arizona Diamondbacks signed 2B Jeff Smith. |
| Jun 12, 2015 | Signed | Jason Morozowski | — | Arizona Diamondbacks | Arizona Diamondbacks signed OF Jason Morozowski. |
| Jun 12, 2015 | Signed | Jake Peevyhouse | — | Arizona Diamondbacks | Arizona Diamondbacks signed OF Jake Peevyhouse. |
| Jun 12, 2015 | Signed as free agent | Fernando Perez | — | Los Angeles Dodgers | Los Angeles Dodgers signed free agent CF Fernando Perez to a minor league contract. |
| Jun 12, 2015 | Signed | Taylor Clarke | — | Arizona Diamondbacks | Arizona Diamondbacks signed RHP Taylor Clarke. |
| Jun 12, 2015 | Signed | Breckin Williams | — | Arizona Diamondbacks | Arizona Diamondbacks signed RHP Breckin Williams. |
| Jun 12, 2015 | Signed | Pierce Romero | — | Arizona Diamondbacks | Arizona Diamondbacks signed RHP Pierce Romero. |
| Jun 12, 2015 | Signed | Zach Nehrir | — | Arizona Diamondbacks | Arizona Diamondbacks signed OF Zach Nehrir. |
| Jun 12, 2015 | Signed | Jacy Cave | — | Arizona Diamondbacks | Arizona Diamondbacks signed OF Jacy Cave. |
| Jun 12, 2015 | Signed | Logan Soole | — | Arizona Diamondbacks | Arizona Diamondbacks signed OF Logan Soole. |
| Jun 12, 2015 | Signed | Stephen Dezzi | — | Arizona Diamondbacks | Arizona Diamondbacks signed OF Stephen Dezzi. |
| Jun 12, 2015 | Signed | Kirby Bellow | — | Arizona Diamondbacks | Arizona Diamondbacks signed LHP Kirby Bellow. |
| Jun 12, 2015 | Signed | Cameron Gann | — | Arizona Diamondbacks | Arizona Diamondbacks signed RHP Cameron Gann. |
| Jun 12, 2015 | Signed | Luis Silverio | — | Arizona Diamondbacks | Arizona Diamondbacks signed OF Luis Silverio. |
| Jun 12, 2015 | Signed | Quinnton Mack | — | Arizona Diamondbacks | Arizona Diamondbacks signed OF Quinnton Mack. |
| Jun 12, 2015 | Signed | Taylor Ward | — | Los Angeles Angels | Los Angeles Angels signed C Taylor Ward. |
| Jun 12, 2015 | Signed | Nathan Bates | — | Los Angeles Angels | Los Angeles Angels signed RHP Nathan Bates. |
| Jun 12, 2015 | Signed | Adam Hofacket | — | Los Angeles Angels | Los Angeles Angels signed RHP Adam Hofacket. |
| Jun 12, 2015 | Signed | Jeff Boehm | — | Los Angeles Angels | Los Angeles Angels signed OF Jeff Boehm. |
| Jun 12, 2015 | Signed | Hutton Moyer | — | Los Angeles Angels | Los Angeles Angels signed 2B Hutton Moyer. |
| Jun 12, 2015 | Signed | Nick Lynch | — | Los Angeles Angels | Los Angeles Angels signed 1B Nick Lynch. |
| Jun 12, 2015 | Signed | Izaak Silva | — | Los Angeles Angels | Los Angeles Angels signed C Izaak Silva. |
| Jun 12, 2015 | Signed | Jared Walsh | — | Los Angeles Angels | Los Angeles Angels signed 1B Jared Walsh. |
| Jun 12, 2015 | Signed | Chance Adams | — | New York Yankees | New York Yankees signed RHP Chance Adams. |
| Jun 12, 2015 | Signed | Will Carter | — | New York Yankees | New York Yankees signed RHP Will Carter. |
| Jun 12, 2015 | Signed | Josh Roeder | — | New York Yankees | New York Yankees signed RHP Josh Roeder. |
| Jun 12, 2015 | Signed | Ryan Krill | — | New York Yankees | New York Yankees signed 1B Ryan Krill. |
| Jun 12, 2015 | Signed | Brandon Wagner | — | New York Yankees | New York Yankees signed 3B Brandon Wagner. |
| Jun 12, 2015 | Signed | Collin Chapman | — | Tampa Bay Rays | Tampa Bay Rays signed RHP Collin Chapman. |
| Jun 12, 2015 | Signed | Jonathan Morales | — | Atlanta Braves | Atlanta Braves signed C Jonathan Morales. |
| Jun 12, 2015 | Signed | Justin Ellison | — | Atlanta Braves | Atlanta Braves signed CF Justin Ellison. |
| Jun 12, 2015 | Signed | Donny Sands | — | New York Yankees | New York Yankees signed 3B Donny Sands. |
| Jun 12, 2015 | Signed | Icezack Flemming | — | New York Yankees | New York Yankees signed RHP Icezack Flemming. |
| Jun 12, 2015 | Signed | Hobie Harris | — | New York Yankees | New York Yankees signed RHP Hobie Harris. |
| Jun 12, 2015 | Signed | Sixto Torres | — | New York Mets | New York Mets signed LHP Sixto Torres. |
| Jun 12, 2015 | Signed as free agent | Luis Valdez | — | Cleveland Guardians | Cleveland Indians signed free agent RHP Luis Valdez to a minor league contract. |
| Jun 12, 2015 | Signed as free agent | Miguel Pinedo | — | New York Mets | New York Mets signed free agent RHP Miguel Pinedo to a minor league contract. |
| Jun 12, 2015 | Signed as free agent | Pedro Nolasco | — | New York Mets | New York Mets signed free agent OF Pedro Nolasco to a minor league contract. |
| Jun 12, 2015 | Signed as free agent | Sandro Rosario | — | Philadelphia Phillies | Philadelphia Phillies signed free agent RHP Sandro Rosario to a minor league contract. |
| Jun 12, 2015 | Signed as free agent | Wagner Ramirez | — | Baltimore Orioles | Baltimore Orioles signed free agent C Wagner Ramirez to a minor league contract. |
| Jun 11, 2015 | Trade | David Carpenter | New York Yankees | Washington Nationals | New York Yankees traded RHP David Carpenter to Washington Nationals for 2B Tony Renda. |
| Jun 11, 2015 | Signed as free agent | Blake Gailen | — | Los Angeles Angels | Los Angeles Angels signed free agent OF Blake Gailen to a minor league contract. |
| Jun 11, 2015 | Signed | Tanner Lubach | — | Los Angeles Angels | Los Angeles Angels signed C Tanner Lubach. |
| Jun 11, 2015 | Signed as free agent | Dayan Viciedo | — | Athletics | Oakland Athletics signed free agent RF Dayan Viciedo to a minor league contract. |
| Jun 11, 2015 | Signed | Brendon Sanger | — | Los Angeles Angels | Los Angeles Angels signed OF Brendon Sanger. |
| Jun 11, 2015 | Signed | Kyle Holder | — | New York Yankees | New York Yankees signed SS Kyle Holder. |
| Jun 11, 2015 | Signed as free agent | Joenny Vazquez | — | Texas Rangers | Texas Rangers signed free agent C Joenny Vazquez to a minor league contract. |
| Jun 11, 2015 | Signed | Dalton Geekie | — | Atlanta Braves | Atlanta Braves signed RHP Dalton Geekie. |
| Jun 11, 2015 | Signed | Jaret Hellinger | — | Atlanta Braves | Atlanta Braves signed LHP Jaret Hellinger. |
| Jun 11, 2015 | Signed | Bradley Keller | — | Atlanta Braves | Atlanta Braves signed OF Bradley Keller. |
| Jun 11, 2015 | Signed as free agent | Geoff DeGroot | — | New York Yankees | New York Yankees signed free agent RHP Geoff DeGroot to a minor league contract. |
| Jun 11, 2015 | Signed | Joenny Vazquez | — | Texas Rangers | Texas Rangers signed C Joenny Vazquez. |
| Jun 11, 2015 | Signed as free agent | Wilton Mueses | — | Toronto Blue Jays | Toronto Blue Jays signed free agent P Wilton Mueses to a minor league contract. |
| Jun 11, 2015 | Signed as free agent | Yeremy Nunez | — | Philadelphia Phillies | Philadelphia Phillies signed free agent SS Yeremy Nunez to a minor league contract. |
| Jun 10, 2015 | Signed as free agent | Juan Gutierrez | — | Philadelphia Phillies | Philadelphia Phillies signed free agent RHP Juan Gutierrez to a minor league contract. |
| Jun 10, 2015 | Released | Jason Marquis | — | Cincinnati Reds | Cincinnati Reds released RHP Jason Marquis. |
| Jun 10, 2015 | Signed as free agent | Sergio Santos | — | New York Yankees | New York Yankees signed free agent RHP Sergio Santos to a minor league contract. |
| Jun 10, 2015 | Signed as free agent | Alex White | — | Atlanta Braves | Atlanta Braves signed free agent RHP Alex White to a minor league contract. |
| Jun 10, 2015 | Signed as free agent | Miguel Vargas | — | Detroit Tigers | Detroit Tigers signed free agent RHP Miguel Vargas to a minor league contract. |
| Jun 10, 2015 | Signed | Nick Kaye | — | Texas Rangers | Texas Rangers signed CF Kyle Kaye. |
| Jun 10, 2015 | Signed as free agent | Leovanny Rodriguez | — | Houston Astros | Houston Astros signed free agent RHP Leovanny Rodriguez to a minor league contract. |
| Jun 9, 2015 | Signed as free agent | Rafael Soriano | — | Chicago Cubs | Chicago Cubs signed free agent RHP Rafael Soriano to a minor league contract. |
| Jun 9, 2015 | Signed as free agent | Hector Guance | — | Baltimore Orioles | Baltimore Orioles signed free agent RHP Hector Guance to a minor league contract. |
| Jun 9, 2015 | Signed as free agent | Juan Hernandez | — | Baltimore Orioles | Baltimore Orioles signed free agent RHP Juan Hernandez to a minor league contract. |
| Jun 9, 2015 | Signed as free agent | Dave Sappelt | — | Boston Red Sox | Boston Red Sox signed free agent OF Dave Sappelt to a minor league contract. |
| Jun 9, 2015 | Signed | Jhalan Jackson | — | New York Yankees | New York Yankees signed RF Jhalan Jackson. |
| Jun 8, 2015 | Signed as free agent | Kevin Correia | — | Philadelphia Phillies | Philadelphia Phillies signed free agent RHP Kevin Correia. |
| Jun 8, 2015 | Signed as free agent | Tyler Bortnick | — | Seattle Mariners | Seattle Mariners signed free agent 2B Tyler Bortnick to a minor league contract. |
| Jun 8, 2015 | Signed as free agent | Yoanys Quiala | — | Houston Astros | Houston Astros signed free agent RHP Yoanys Quiala to a minor league contract. |
| Jun 8, 2015 | Signed as free agent | Randy Jimenez | — | Pittsburgh Pirates | Pittsburgh Pirates signed free agent LHP Randy Jimenez to a minor league contract. |
| Jun 7, 2015 | Released | Matt Magill | — | Cincinnati Reds | Cincinnati Reds released RHP Matt Magill. |
| Jun 7, 2015 | Signed as free agent | David Aardsma | — | Atlanta Braves | Atlanta Braves signed free agent RHP David Aardsma to a minor league contract. |
| Jun 7, 2015 | Signed as free agent | Dana Eveland | — | Atlanta Braves | Atlanta Braves signed free agent LHP Dana Eveland to a minor league contract. |
| Jun 6, 2015 | Signed as free agent | Zach Cooper | — | Milwaukee Brewers | Milwaukee Brewers signed free agent RHP Zach Cooper to a minor league contract. |
| Jun 6, 2015 | Released | Chad Smith | — | Los Angeles Angels | Los Angeles Angels released RHP Chad Smith. |
| Jun 6, 2015 | Signed as free agent | Yeudy Colon | — | New York Mets | New York Mets signed free agent RHP Yeudy Colon to a minor league contract. |
| Jun 6, 2015 | Signed as free agent | Ivan Jean | — | New York Mets | New York Mets signed free agent LHP Ivan Santana to a minor league contract. |
| Jun 6, 2015 | Signed as free agent | Cecil Tanner | — | San Diego Padres | San Diego Padres signed free agent RHP Cecil Tanner to a minor league contract. |
| Jun 6, 2015 | Signed as free agent | Alejandro Castro | — | New York Mets | New York Mets signed free agent RHP Alejandro Castro to a minor league contract. |
| Jun 5, 2015 | Trade | Martin Medina | Chicago White Sox | Toronto Blue Jays | Chicago White Sox traded C Martin Medina to Toronto Blue Jays for cash. |
| Jun 5, 2015 | Signed as free agent | Chris Marrero | — | Chicago White Sox | Chicago White Sox signed free agent OF Chris Marrero to a minor league contract. |
| Jun 5, 2015 | Signed | Sebastian Martinez | — | Los Angeles Dodgers | Los Angeles Dodgers signed RHP Sebastian Martinez. |
| Jun 5, 2015 | Signed as free agent | Alexander Martinez | — | Colorado Rockies | Colorado Rockies signed free agent RHP Alexander Martinez to a minor league contract. |
| Jun 4, 2015 | Signed as free agent | Brock Peterson | — | New York Mets | New York Mets signed free agent 1B Brock Peterson to a minor league contract. |
| Jun 4, 2015 | Signed as free agent | Cory Jordan | — | New York Yankees | New York Yankees signed free agent RHP Cory Jordan to a minor league contract. |
| Jun 4, 2015 | Signed as free agent | Wilmer Contreras | — | Pittsburgh Pirates | Pittsburgh Pirates signed free agent RHP WIlmer Contreras to a minor league contract. |
| Jun 3, 2015 | Trade | Alejandro De Aza | Baltimore Orioles | Boston Red Sox | Baltimore Orioles traded LF Alejandro De Aza and cash to Boston Red Sox for RHP Joe Gunkel. |
| Jun 3, 2015 | Released | Donald Lutz | — | Cincinnati Reds | Cincinnati Reds released 1B Donald Lutz. |
| Jun 3, 2015 | Trade | Jack Reinheimer | Seattle Mariners | Arizona Diamondbacks | Arizona Diamondbacks traded RF Mark Trumbo and LHP Vidal Nuno to Seattle Mariners for C Welington Castillo, RHP Dominic Leone, RF Gabriel Guerrero and SS Jack Reinheimer. |
| Jun 3, 2015 | Signed as free agent | Beamer Weems | — | Texas Rangers | Texas Rangers signed free agent SS Beamer Weems to a minor league contract. |
| Jun 3, 2015 | Signed as free agent | Sandy Martinez | — | Milwaukee Brewers | Milwaukee Brewers signed free agent C Sandy Martinez to a minor league contract. |
| Jun 3, 2015 | Signed as free agent | Kyle Schepel | — | Seattle Mariners | Seattle Mariners signed free agent RHP Kyle Schepel to a minor league contract. |
| Jun 3, 2015 | Signed as free agent | Emmanuel Estevez | — | Kansas City Royals | Kansas City Royals signed free agent RHP Emmanuel Estevez to a minor league contract. |
| Jun 2, 2015 | Signed as free agent | Tony Thomas | — | Detroit Tigers | Detroit Tigers signed free agent 2B Tony Thomas to a minor league contract. |
| Jun 2, 2015 | Signed as free agent | Henry Pujols | — | Cleveland Guardians | Cleveland Indians signed free agent 3B Henry Pujols to a minor league contract. |
| Jun 1, 2015 | Signed as free agent | Erik Cordier | — | San Francisco Giants | San Francisco Giants signed free agent RHP Erik Cordier to a minor league contract. |
| Jun 1, 2015 | Signed as free agent | Kevin Frandsen | — | San Francisco Giants | San Francisco Giants signed free agent 3B Kevin Frandsen to a minor league contract. |
| Jun 1, 2015 | Trade | P.J. Walters | Los Angeles Dodgers | Washington Nationals | Los Angeles Dodgers traded RHP P.J. Walters to Washington Nationals for cash. |
| Jun 1, 2015 | Signed as free agent | Teodoro Martinez | — | New York Yankees | New York Yankees signed free agent OF Teodoro Martinez to a minor league contract. |
| Jun 1, 2015 | Released | Grady Sizemore | — | Philadelphia Phillies | Philadelphia Phillies released RF Grady Sizemore. |
| Jun 1, 2015 | Signed as free agent | Brock Bond | — | Colorado Rockies | Colorado Rockies signed free agent 2B Brock Bond to a minor league contract. |
| Jun 1, 2015 | Signed as free agent | Warlyn Guzman | — | Boston Red Sox | Boston Red Sox signed free agent RHP Warlyn Guzman to a minor league contract. |
| Jun 1, 2015 | Signed as free agent | Kerwin Nieves | — | New York Mets | New York Mets signed free agent LHP Kerwin Nieves to a minor league contract. |
| Jun 1, 2015 | Signed as free agent | Carlos Cortes | — | Boston Red Sox | Boston Red Sox signed free agent RHP Carlos Cortes to a minor league contract. |
| Jun 1, 2015 | Signed as free agent | Jasseel De La Cruz | — | Atlanta Braves | Atlanta Braves signed free agent RHP Jasseel De La Cruz to a minor league contract. |
| Jun 1, 2015 | Signed as free agent | Andy Cruz | — | Athletics | Oakland Athletics signed free agent RHP Andy Cruz to a minor league contract. |
| Jun 1, 2015 | Signed as free agent | Jeffry Nino | — | Cincinnati Reds | Cincinnati Reds signed free agent RHP Jeffry Nino to a minor league contract. |
| May 31, 2015 | Signed as free agent | Phil Coke | — | Toronto Blue Jays | Toronto Blue Jays signed free agent LHP Phil Coke to a minor league contract. |
| May 31, 2015 | Signed as free agent | Jeff Bianchi | — | Boston Red Sox | Boston Red Sox signed free agent SS Jeff Bianchi. |
| May 31, 2015 | Signed as free agent | Josue Herrera | — | Milwaukee Brewers | Milwaukee Brewers signed free agent 2B Josue Herrera to a minor league contract. |
| May 30, 2015 | Signed as free agent | Ryan Lavarnway | — | Atlanta Braves | Atlanta Braves signed free agent C Ryan Lavarnway to a minor league contract. |
| May 30, 2015 | Signed as free agent | Parker Frazier | — | Arizona Diamondbacks | Arizona Diamondbacks signed free agent RHP Parker Frazier to a minor league contract. |
| May 30, 2015 | Trade | Alexander Simon | Tampa Bay Rays | Chicago White Sox | Tampa Bay Rays traded 1B Alexander Simon to Chicago White Sox for cash. |
| May 30, 2015 | Signed as free agent | Roberto Pineda | — | Los Angeles Angels | Los Angeles Angels signed free agent RHP Roberto Pineda to a minor league contract. |
| May 29, 2015 | Signed as free agent | Cesar Melendez | — | Los Angeles Angels | Los Angeles Angels signed free agent RHP Cesar Melendez to a minor league contract. |
| May 29, 2015 | Signed as free agent | Geovanny Acosta | — | Los Angeles Angels | Los Angeles Angels signed free agent RHP Geovanny Acosta to a minor league contract. |
| May 29, 2015 | Signed as free agent | Luis Aquino | — | Chicago Cubs | Chicago Cubs signed free agent RHP Luis Aquino to a minor league contract. |
| May 29, 2015 | Signed as free agent | Julian Aybar | — | Chicago Cubs | Chicago Cubs signed free agent RHP Julian Aybar to a minor league contract. |
| May 29, 2015 | Signed as free agent | Miguel Estevez | — | Chicago Cubs | Chicago Cubs signed free agent RHP Miguel Estevez to a minor league contract. |
| May 29, 2015 | Signed as free agent | Mikey O'Brien | — | Baltimore Orioles | Baltimore Orioles signed free agent RHP Mikey O'Brien to a minor league contract. |
| May 29, 2015 | Signed as free agent | Fernando Escarra | — | Baltimore Orioles | Baltimore Orioles signed free agent RHP Fernando Escarra to a minor league contract. |
| May 29, 2015 | Signed as free agent | Ramon Rodriguez | — | Baltimore Orioles | Baltimore Orioles signed free agent RHP Ramon Rodriguez to a minor league contract. |
| May 29, 2015 | Signed as free agent | Travis Pitcher | — | Athletics | Oakland Athletics signed free agent RHP Travis Pitcher to a minor league contract. |
| May 29, 2015 | Signed as free agent | Dylan Kelly | — | Arizona Diamondbacks | Arizona Diamondbacks signed free agent C Dylan Kelly to a minor league contract. |
| May 28, 2015 | Signed as free agent | Aríel Miranda | — | Baltimore Orioles | Baltimore Orioles signed free agent LHP Ariel Miranda to a minor league contract. |
| May 28, 2015 | Signed as free agent | Mickey Storey | — | Los Angeles Dodgers | Los Angeles Dodgers signed free agent RHP Mickey Storey to a minor league contract. |
| May 28, 2015 | Released | Runai Coran | — | Atlanta Braves | Atlanta Braves released OF Runai Coran. |
| May 28, 2015 | Signed as free agent | Vadim Balan | — | Minnesota Twins | Minnesota Twins signed free agent RHP Vadim Balan to a minor league contract. |
| May 28, 2015 | Signed as free agent | Deymar Alvarado | — | Milwaukee Brewers | Milwaukee Brewers signed free agent RHP Deymar Alvarado to a minor league contract. |
| May 27, 2015 | Trade | Kirk Nieuwenhuis | New York Mets | Los Angeles Angels | New York Mets traded CF Kirk Nieuwenhuis to Los Angeles Angels for cash. |
| May 27, 2015 | Trade | Juan Uribe | Los Angeles Dodgers | Atlanta Braves | Los Angeles Dodgers traded 3B Juan Uribe and RHP Chris Withrow to Atlanta Braves for 3B Alberto Callaspo, LHP Eric Stults, LHP Ian Thomas and RHP Juan Jaime. |
| May 27, 2015 | Trade | Carlos Peguero | Texas Rangers | Boston Red Sox | Texas Rangers traded LF Carlos Peguero to Boston Red Sox for cash. |
| May 27, 2015 | Signed as free agent | Luis Jimenez | — | Seattle Mariners | Seattle Mariners signed free agent RHP Luis Jimenez to a minor league contract. |
| May 27, 2015 | Signed | Estailin Tejada | — | St. Louis Cardinals | St. Louis Cardinals signed RHP Estalin Tejada. |
| May 27, 2015 | Signed as free agent | Dagin Ramirez | — | Kansas City Royals | Kansas City Royals signed free agent SS Dagin Ramirez to a minor league contract. |
| May 27, 2015 | Signed as free agent | Engel Beltre | — | San Francisco Giants | San Francisco Giants signed free agent OF Engel Beltre to a minor league contract. |
| May 27, 2015 | Signed as free agent | Jarret Leverett | — | San Francisco Giants | San Francisco Giants signed free agent LHP Jarret Leverett to a minor league contract. |
| May 27, 2015 | Signed as free agent | Mark Nelson | — | San Francisco Giants | San Francisco Giants signed free agent 3B Mark Nelson to a minor league contract. |
| May 27, 2015 | Signed as free agent | Jeff Kobernus | — | San Francisco Giants | San Francisco Giants signed free agent LF Jeff Kobernus to a minor league contract. |
| May 27, 2015 | Signed as free agent | Angel Hernandez | — | Boston Red Sox | Boston Red Sox signed free agent OF Angel Hernandez to a minor league contract. |
| May 27, 2015 | Signed as free agent | William Caraballo | — | Boston Red Sox | Boston Red Sox signed free agent RHP William Caraballo to a minor league contract. |
| May 26, 2015 | Released | Phil Coke | — | Chicago Cubs | Chicago Cubs released LHP Phil Coke. |
| May 26, 2015 | Signed as free agent | Boone Whiting | — | Colorado Rockies | Colorado Rockies signed free agent RHP Boone Whiting to a minor league contract. |
| May 26, 2015 | Signed as free agent | Ildemaro Vargas | — | Arizona Diamondbacks | Arizona Diamondbacks signed free agent 3B Ildemaro Vargas to a minor league contract. |
| May 26, 2015 | Signed as free agent | Casey Delgado | — | New York Mets | New York Mets signed free agent RHP Casey Delgado to a minor league contract. |
| May 26, 2015 | Signed as free agent | Cole Garner | — | Toronto Blue Jays | Toronto Blue Jays signed free agent OF Cole Garner to a minor league contract. |
| May 26, 2015 | Signed as free agent | Carlos Cabral | — | Arizona Diamondbacks | Arizona Diamondbacks signed free agent C Carlos Cabral to a minor league contract. |
| May 26, 2015 | Signed as free agent | Luis Rivero | — | Boston Red Sox | Boston Red Sox signed free agent RHP Luis Rivero to a minor league contract. |
| May 25, 2015 | Signed as free agent | Joel Pinto | — | Milwaukee Brewers | Milwaukee Brewers signed free agent RHP Maiker Pinto to a minor league contract. |
| May 25, 2015 | Signed as free agent | Ronaldo Lopez | — | Chicago Cubs | Chicago Cubs signed free agent 3B Ronaldo Lopez to a minor league contract. |
| May 25, 2015 | Signed as free agent | Omar Ventura | — | Chicago Cubs | Chicago Cubs signed free agent RHP Omar Ventura to a minor league contract. |
| May 25, 2015 | Signed as free agent | Nelmerson Xavier Angela | — | New York Mets | New York Mets signed free agent LHP Nelmerson Xavier Angela to a minor league contract. |
| May 25, 2015 | Signed as free agent | Dionis Munoz | — | Detroit Tigers | Detroit Tigers signed free agent RHP Dionis Munoz to a minor league contract. |
| May 25, 2015 | Signed as free agent | Beder Gutierrez | — | Texas Rangers | Texas Rangers signed free agent OF Beder Gutierrez to a minor league contract. |
| May 25, 2015 | Signed as free agent | Alexis Garcia | — | Detroit Tigers | Detroit Tigers signed free agent SS Alexis Garcia to a minor league contract. |
| May 24, 2015 | Signed as free agent | Jared Burton | — | Texas Rangers | Texas Rangers signed free agent RHP Jared Burton to a minor league contract. |
| May 24, 2015 | Signed as free agent | Jordan Hershiser | — | San Diego Padres | San Diego Padres signed free agent RHP Jordan Hershiser to a minor league contract. |
| May 24, 2015 | Signed as free agent | Joe Paterson | — | Athletics | Oakland Athletics signed free agent LHP Joe Paterson to a minor league contract. |
| May 23, 2015 | Trade | Blake Smith | Los Angeles Dodgers | Chicago White Sox | Chicago White Sox traded LHP Eric Surkamp to Los Angeles Dodgers for RHP Blake Smith. |
| May 23, 2015 | Signed as free agent | Alex Rodriguez | — | Tampa Bay Rays | Tampa Bay Rays signed free agent 1B Alex Rodriguez to a minor league contract. |
| May 22, 2015 | Released | Kyuji Fujikawa | — | Texas Rangers | Texas Rangers released RHP Kyuji Fujikawa. |
| May 22, 2015 | Signed as free agent | Travis Higgs | — | San Francisco Giants | San Francisco Giants signed free agent C Travis Higgs to a minor league contract. |
| May 21, 2015 | Signed as free agent | Alex Hassan | — | Toronto Blue Jays | Toronto Blue Jays signed free agent OF Alex Hassan to a minor league contract. |
| May 21, 2015 | Signed as free agent | Ariel Hernández | — | Arizona Diamondbacks | Arizona Diamondbacks signed free agent RHP Ariel Hernandez to a minor league contract. |
| May 20, 2015 | Trade | John Cornely | Atlanta Braves | Boston Red Sox | Atlanta Braves traded RHP John Cornely to Boston Red Sox for cash. |
| May 20, 2015 | Signed as free agent | Bryan Evans | — | Colorado Rockies | Colorado Rockies signed free agent RHP Bryan Evans to a minor league contract. |
| May 20, 2015 | Signed as free agent | Yoilan Cerse | — | Boston Red Sox | Boston Red Sox signed free agent OF Yoilan Cerse to a minor league contract. |
| May 20, 2015 | Signed as free agent | Starling Duval | — | Milwaukee Brewers | Milwaukee Brewers signed free agent RHP Starling Duval to a minor league contract. |
| May 20, 2015 | Signed as free agent | Isaac Silva | — | Milwaukee Brewers | Milwaukee Brewers signed free agent LHP Isaac Silva to a minor league contract. |
| May 19, 2015 | Trade | Yoervis Medina | Seattle Mariners | Chicago Cubs | Chicago Cubs traded C Welington Castillo to Seattle Mariners for RHP Yoervis Medina. |
| May 19, 2015 | Signed as free agent | Lednier Ricardo | — | New York Mets | New York Mets signed free agent C Lednier Ricardo to a minor league contract. |
| May 19, 2015 | Signed as free agent | Nick Masset | — | Atlanta Braves | Atlanta Braves signed free agent RHP Nick Masset. |
| May 19, 2015 | Signed as free agent | Héctor Olivera | — | Los Angeles Dodgers | Los Angeles Dodgers signed free agent 2B Hector Olivera. |
| May 19, 2015 | Trade | Chris Lee | Houston Astros | Baltimore Orioles | Houston Astros traded LHP Chris Lee to Baltimore Orioles for Other Considerations. |
| May 19, 2015 | Signed as free agent | Pablo Fernandez | — | Los Angeles Dodgers | Los Angeles Dodgers signed free agent RHP Pablo Fernandez to a minor league contract. |
| May 19, 2015 | Signed as free agent | Manny Barreda | — | Milwaukee Brewers | Milwaukee Brewers signed free agent RHP Manny Barreda to a minor league contract. |
| May 19, 2015 | Signed as free agent | Dan Hennigan | — | Los Angeles Dodgers | Los Angeles Dodgers signed free agent SS Dan Hennigan to a minor league contract. |
| May 19, 2015 | Signed as free agent | Kevin Gregg | — | Seattle Mariners | Seattle Mariners signed free agent RHP Kevin Gregg to a minor league contract. |
| May 19, 2015 | Signed as free agent | Jeffrey Rosa | — | Washington Nationals | Washington Nationals signed free agent RHP Jeffrey Rosa to a minor league contract. |
| May 19, 2015 | Signed as free agent | Jeremy Fernandez | — | Atlanta Braves | Atlanta Braves signed free agent 2B Jeremy Fernandez to a minor league contract. |
| May 18, 2015 | Signed as free agent | Seth Webster | — | Atlanta Braves | Atlanta Braves signed free agent RHP Seth Webster to a minor league contract. |
| May 18, 2015 | Signed as free agent | Kyle Winkler | — | Tampa Bay Rays | Tampa Bay Rays signed free agent RHP Kyle Winkler to a minor league contract. |
| May 18, 2015 | Signed as free agent | Jose Veras | — | Houston Astros | Houston Astros signed free agent RHP Jose Veras to a minor league contract. |
| May 17, 2015 | Signed as free agent | Omar Duran | — | Athletics | Oakland Athletics signed free agent LHP Omar Duran to a minor league contract. |
| May 15, 2015 | Signed as free agent | Ryan Wheeler | — | Minnesota Twins | Minnesota Twins signed free agent 3B Ryan Wheeler to a minor league contract. |
| May 15, 2015 | Trade | Ronald Torreyes | Houston Astros | Toronto Blue Jays | Houston Astros traded SS Ronald Torreyes to Toronto Blue Jays for cash. |
| May 15, 2015 | Signed as free agent | Edwin Quirarte | — | San Francisco Giants | San Francisco Giants signed free agent RHP Edwin Quirarte to a minor league contract. |
| May 15, 2015 | Signed as free agent | Luke Scott | — | Toronto Blue Jays | Toronto Blue Jays signed free agent 1B Luke Scott to a minor league contract. |
| May 15, 2015 | Signed as free agent | Mike Nesseth | — | Atlanta Braves | Atlanta Braves signed free agent RHP Mike Nesseth to a minor league contract. |
| May 15, 2015 | Signed as free agent | Jarrod Saltalamacchia | — | Arizona Diamondbacks | Arizona Diamondbacks signed free agent C Jarrod Saltalamacchia to a minor league contract. |
| May 15, 2015 | Signed as free agent | Jared Mitchell | — | Los Angeles Angels | Los Angeles Angels signed free agent CF Jared Mitchell to a minor league contract. |
| May 15, 2015 | Signed as free agent | Blake Parker | — | Chicago Cubs | Chicago Cubs signed free agent RHP Blake Parker to a minor league contract. |
| May 14, 2015 | Trade | Blake Forsythe | Athletics | Philadelphia Phillies | Oakland Athletics traded C Blake Forsythe to Philadelphia Phillies for cash. |
| May 13, 2015 | Signed as free agent | Jeremy Hazelbaker | — | St. Louis Cardinals | St. Louis Cardinals signed free agent OF Jeremy Hazelbaker to a minor league contract. |
| May 13, 2015 | Signed as free agent | David Cooper | — | New York Mets | New York Mets signed free agent 1B David Cooper to a minor league contract. |
| May 13, 2015 | Signed as free agent | Tommy Hanson | — | San Francisco Giants | San Francisco Giants signed free agent RHP Tommy Hanson to a minor league contract. |
| May 13, 2015 | Signed as free agent | Logan Kensing | — | Seattle Mariners | Seattle Mariners signed free agent RHP Logan Kensing to a minor league contract. |
| May 13, 2015 | Signed as free agent | Jhon Romero | — | Chicago Cubs | Chicago Cubs signed free agent RHP Jhon Romero to a minor league contract. |
| May 12, 2015 | Released | Alex Hassan | — | Athletics | Oakland Athletics released RF Alex Hassan. |
| May 12, 2015 | Signed as free agent | Wil Nieves | — | Atlanta Braves | Atlanta Braves signed free agent C Wil Nieves to a minor league contract. |
| May 12, 2015 | Signed as free agent | Felix Arosemena | — | Miami Marlins | Miami Marlins signed free agent 2B Felix Arosemena to a minor league contract. |
| May 11, 2015 | Released | Kevin Gregg | — | Cincinnati Reds | Cincinnati Reds released RHP Kevin Gregg. |
| May 11, 2015 | Signed as free agent | Oddy Nunez | — | Pittsburgh Pirates | Pittsburgh Pirates signed free agent LHP Oddy Nunez to a minor league contract. |
| May 10, 2015 | Trade | Edward Mujica | Boston Red Sox | Athletics | Boston Red Sox traded RHP Edward Mujica and cash to Oakland Athletics for Player To Be Named Later. |
| May 10, 2015 | Trade | Jayson Aquino | Toronto Blue Jays | Pittsburgh Pirates | Toronto Blue Jays traded LHP Jayson Aquino to Pittsburgh Pirates for cash. |
| May 10, 2015 | Signed as free agent | Hector Ambriz | — | Washington Nationals | Washington Nationals signed free agent RHP Hector Ambriz to a minor league contract. |
| May 10, 2015 | Signed as free agent | Paul Brands | — | Pittsburgh Pirates | Pittsburgh Pirates signed free agent C Paul Brands to a minor league contract. |
| May 9, 2015 | Signed as free agent | Jose Constanza | — | Cincinnati Reds | Cincinnati Reds signed free agent OF Jose Constanza to a minor league contract. |
| May 9, 2015 | Signed as free agent | Chris Nelson | — | Milwaukee Brewers | Milwaukee Brewers signed free agent 3B Chris Nelson to a minor league contract. |
| May 9, 2015 | Signed as free agent | Ricky Romero | — | San Francisco Giants | San Francisco Giants signed free agent LHP Ricky Romero to a minor league contract. |
| May 8, 2015 | Signed as free agent | Carlos Marmol | — | Cleveland Guardians | Cleveland Indians signed free agent RHP Carlos Marmol to a minor league contract. |
| May 8, 2015 | Trade | Chad Smith | Athletics | Los Angeles Angels | Oakland Athletics traded RHP Chad Smith to Los Angeles Angels for cash. |
| May 8, 2015 | Signed as free agent | Taylor Clemensia | — | Minnesota Twins | Minnesota Twins signed free agent LHP Taylor Clemensia to a minor league contract. |
| May 8, 2015 | Signed as free agent | Kyle McPherson | — | Tampa Bay Rays | Tampa Bay Rays signed free agent RHP Kyle McPherson to a minor league contract. |
| May 7, 2015 | Trade | Ryan Jackson | Kansas City Royals | Los Angeles Angels | Los Angeles Angels traded C Drew Butera to Kansas City Royals for SS Ryan Jackson. |
| May 7, 2015 | Signed as free agent | Dayron Varona | — | Tampa Bay Rays | Tampa Bay Rays signed free agent CF Dayron Varona to a minor league contract. |
| May 7, 2015 | Signed as free agent | Yerison Pena | — | Milwaukee Brewers | Milwaukee Brewers signed free agent 1B Yerison Pena to a minor league contract. |
| May 7, 2015 | Signed as free agent | Bismar Nunez | — | Milwaukee Brewers | Milwaukee Brewers signed free agent C Bismar Nunez to a minor league contract. |
| May 7, 2015 | Signed as free agent | Yomelbin Almonte | — | Milwaukee Brewers | Milwaukee Brewers signed free agent RHP Yomelbin Almonte to a minor league contract. |
| May 7, 2015 | Signed as free agent | Yan De La Cruz | — | Milwaukee Brewers | Milwaukee Brewers signed free agent RHP Yan De La Cruz to a minor league contract. |
| May 6, 2015 | Signed as free agent | Mike Blanke | — | Boston Red Sox | Boston Red Sox signed free agent C Michael Blanke to a minor league contract. |
| May 6, 2015 | Released | Blake Parker | — | Chicago Cubs | Chicago Cubs released RHP Blake Parker. |
| May 6, 2015 | Signed as free agent | Luis De La Rosa | — | Cleveland Guardians | Cleveland Indians signed free agent OF Luis De La Rosa to a minor league contract. |
| May 6, 2015 | Signed as free agent | Yenier Bello | — | San Diego Padres | San Diego Padres signed free agent C Yenier Bello to a minor league contract. |
| May 6, 2015 | Signed as free agent | Sandro Cabrera | — | San Francisco Giants | San Francisco Giants signed free agent LHP Sandro Cabrera to a minor league contract. |
| May 5, 2015 | Released | Jarrod Saltalamacchia | — | Miami Marlins | Miami Marlins released C Jarrod Saltalamacchia. |
| May 5, 2015 | Signed as free agent | Grant Balfour | — | Tampa Bay Rays | Tampa Bay Rays signed free agent RHP Grant Balfour to a minor league contract. |
| May 5, 2015 | Signed as free agent | P.J. Walters | — | Los Angeles Dodgers | Los Angeles Dodgers signed free agent RHP P.J. Walters to a minor league contract. |
| May 5, 2015 | Signed as free agent | Jefry Valdez | — | Colorado Rockies | Colorado Rockies signed free agent RHP Jefry Valdez to a minor league contract. |
| May 4, 2015 | Signed as free agent | Dan Johnson | — | St. Louis Cardinals | St. Louis Cardinals signed free agent 1B Dan Johnson to a minor league contract. |
| May 4, 2015 | Trade | Matt West | Toronto Blue Jays | Los Angeles Dodgers | Toronto Blue Jays traded RHP Matt West to Los Angeles Dodgers for cash. |
| May 4, 2015 | Signed as free agent | Robert Stock | — | Pittsburgh Pirates | Pittsburgh Pirates signed free agent RHP Robert Stock to a minor league contract. |
| May 4, 2015 | Signed as free agent | Anderson Bohorquez | — | New York Mets | New York Mets signed free agent 1B Anderson Bohorquez to a minor league contract. |
| May 4, 2015 | Signed as free agent | Ezequiel Zabaleta | — | New York Mets | New York Mets signed free agent RHP Ezequiel Zabaleta to a minor league contract. |
| May 4, 2015 | Signed as free agent | Aaron Whitefield | — | Minnesota Twins | Minnesota Twins signed free agent CF Aaron Whitefield to a minor league contract. |
| May 3, 2015 | Signed as free agent | Tyler Colvin | — | Chicago White Sox | Chicago White Sox signed free agent LF Tyler Colvin to a minor league contract. |
| May 3, 2015 | Released | Cody Ross | — | Athletics | Oakland Athletics released RF Cody Ross. |
| May 3, 2015 | Trade | Andy Wilkins | Toronto Blue Jays | Los Angeles Dodgers | Toronto Blue Jays traded 1B Andy Wilkins to Los Angeles Dodgers for cash. |
| May 3, 2015 | Signed as free agent | Felipe Paulino | — | Chicago Cubs | Chicago Cubs signed free agent RHP Felipe Paulino to a minor league contract. |
| May 3, 2015 | Signed as free agent | Jorge Tavarez | — | Los Angeles Angels | Los Angeles Angels signed free agent RHP Jorge Tavarez to a minor league contract. |
| May 1, 2015 | Signed as free agent | Jairo Heredia | — | Los Angeles Dodgers | Los Angeles Dodgers signed free agent RHP Jairo Heredia to a minor league contract. |
| May 1, 2015 | Signed as free agent | Joel Pineiro | — | Toronto Blue Jays | Toronto Blue Jays signed free agent RHP Joel Pineiro to a minor league contract. |
| Apr 29, 2015 | Signed as free agent | Jesus Flores | — | Miami Marlins | Miami Marlins signed free agent C Jesus Flores to a minor league contract. |
| Apr 29, 2015 | Signed as free agent | Lendy Castillo | — | Texas Rangers | Texas Rangers signed free agent RHP Lendy Castillo to a minor league contract. |
| Apr 28, 2015 | Signed as free agent | Moisés Gómez | — | Tampa Bay Rays | Tampa Bay Rays signed free agent OF Moises Gomez to a minor league contract. |
| Apr 28, 2015 | Signed as free agent | Brayan Rodriguez | — | New York Yankees | New York Yankees signed free agent C Brayan Rodriguez to a minor league contract. |
| Apr 27, 2015 | Trade | Xavier Cedeño | Los Angeles Dodgers | Tampa Bay Rays | Los Angeles Dodgers traded LHP Xavier Cedeno to Tampa Bay Rays for cash. |
| Apr 27, 2015 | Trade | Josh Hamilton | Los Angeles Angels | Texas Rangers | Los Angeles Angels traded LF Josh Hamilton and cash to Texas Rangers for Player To Be Named Later. |
| Apr 27, 2015 | Released | Grant Balfour | — | Tampa Bay Rays | Tampa Bay Rays released RHP Grant Balfour. |
| Apr 27, 2015 | Signed as free agent | Brandon Snyder | — | Baltimore Orioles | Baltimore Orioles signed free agent 1B Brandon Snyder to a minor league contract. |
| Apr 27, 2015 | Signed as free agent | Brock Bond | — | Los Angeles Angels | Los Angeles Angels signed free agent 2B Brock Bond to a minor league contract. |
| Apr 27, 2015 | Signed as free agent | Kevin Howard | — | Cleveland Guardians | Cleveland Indians signed free agent 1B Kevin Howard to a minor league contract. |
| Apr 27, 2015 | Signed as free agent | Boris Sanchez | — | New York Mets | New York Mets signed free agent RHP Boris Sanchez to a minor league contract. |
| Apr 26, 2015 | Signed as free agent | Ryan Roberts | — | Athletics | Oakland Athletics signed free agent 2B Ryan Roberts to a minor league contract. |
| Apr 26, 2015 | Signed as free agent | Daniel Schlereth | — | Chicago Cubs | Chicago Cubs signed free agent LHP Daniel Schlereth to a minor league contract. |
| Apr 25, 2015 | Signed as free agent | Brooks Conrad | — | New York Mets | New York Mets signed free agent 2B Brooks Conrad to a minor league contract. |
| Apr 25, 2015 | Signed as free agent | Mike Carp | — | Los Angeles Dodgers | Los Angeles Dodgers signed free agent 1B Mike Carp to a minor league contract. |
| Apr 25, 2015 | Signed as free agent | Jose Valverde | — | Washington Nationals | Washington Nationals signed free agent RHP Jose Valverde to a minor league contract. |
| Apr 24, 2015 | Signed as free agent | Travis Blackley | — | Miami Marlins | Miami Marlins signed free agent LHP Travis Blackley to a minor league contract. |
| Apr 24, 2015 | Signed as free agent | Trevor Lubking | — | Milwaukee Brewers | Milwaukee Brewers signed free agent LHP Trevor Lubking to a minor league contract. |
| Apr 23, 2015 | Signed as free agent | Luke Putkonen | — | Detroit Tigers | Detroit Tigers signed free agent RHP Luke Putkonen to a minor league contract. |
| Apr 22, 2015 | Trade | Xavier Cedeño | Washington Nationals | Los Angeles Dodgers | Washington Nationals traded LHP Xavier Cedeno to Los Angeles Dodgers for cash. |
| Apr 22, 2015 | Signed as free agent | Carlos Quentin | — | Seattle Mariners | Seattle Mariners signed free agent LF Carlos Quentin to a minor league contract. |
| Apr 22, 2015 | Signed as free agent | Denny Bautista | — | Boston Red Sox | Boston Red Sox signed free agent RHP Denny Bautista to a minor league contract. |
| Apr 22, 2015 | Signed as free agent | Orleny Quiroz | — | San Francisco Giants | San Francisco Giants signed free agent LHP Orleny Quiroz to a minor league contract. |
| Apr 21, 2015 | Signed as free agent | Kevin Frandsen | — | Arizona Diamondbacks | Arizona Diamondbacks signed free agent IF Kevin Frandsen to a minor league contract. |
| Apr 21, 2015 | Signed | Greg Smith | — | Atlanta Braves | Atlanta Braves signed LHP Greg Smith. |
| Apr 21, 2015 | Signed as free agent | Michael Kirkman | — | Milwaukee Brewers | Milwaukee Brewers signed free agent LHP Michael Kirkman to a minor league contract. |
| Apr 20, 2015 | Signed | Trayvon Robinson | — | Arizona Diamondbacks | Arizona Diamondbacks signed OF Trayvon Robinson. |
| Apr 20, 2015 | Signed as free agent | Alirio Negrette | — | Baltimore Orioles | Baltimore Orioles signed free agent LHP Alirio Negrette to a minor league contract. |
| Apr 20, 2015 | Signed as free agent | Adolfo Morillo | — | Milwaukee Brewers | Milwaukee Brewers signed free agent CF Adolfo Morillo to a minor league contract. |
| Apr 20, 2015 | Signed as free agent | Willian Mendoza | — | Los Angeles Angels | Los Angeles Angels signed free agent C Willian Mendoza to a minor league contract. |
| Apr 20, 2015 | Signed as free agent | Sucre Valdez | — | Chicago Cubs | Chicago Cubs signed free agent RHP Sucre Valdez to a minor league contract. |
| Apr 20, 2015 | Signed as free agent | Eddy Reynoso | — | Boston Red Sox | Boston Red Sox signed free agent C Eddy Reynoso to a minor league contract. |
| Apr 18, 2015 | Signed as free agent | Mitchell Boggs | — | Atlanta Braves | Atlanta Braves signed free agent RHP Mitchell Boggs to a minor league contract. |
| Apr 17, 2015 | Signed as free agent | J.P. Arencibia | — | Tampa Bay Rays | Tampa Bay Rays signed free agent C J.P. Arencibia to a minor league contract. |
| Apr 17, 2015 | Signed as free agent | Andy Oliver | — | Tampa Bay Rays | Tampa Bay Rays signed free agent LHP Andy Oliver to a minor league contract. |
| Apr 17, 2015 | Signed as free agent | Justin Amlung | — | Washington Nationals | Washington Nationals signed free agent RHP Justin Amlung to a minor league contract. |
| Apr 17, 2015 | Signed as free agent | Kenlly Montas | — | New York Yankees | New York Yankees signed free agent RHP Kenlly Montas to a minor league contract. |
| Apr 16, 2015 | Signed as free agent | Charles Brewer | — | Cleveland Guardians | Cleveland Indians signed free agent RHP Charles Brewer to a minor league contract. |
| Apr 16, 2015 | Signed as free agent | Emilio Gustave | — | Tampa Bay Rays | Tampa Bay Rays signed free agent OF Emilio Gustave to a minor league contract. |
| Apr 15, 2015 | Signed as free agent | Anthony Hewitt | — | Baltimore Orioles | Baltimore Orioles signed free agent OF Anthony Hewitt to a minor league contract. |
| Apr 15, 2015 | Signed as free agent | Joaquin De La Cruz | — | Milwaukee Brewers | Milwaukee Brewers signed free agent RHP Joaquin De La Cruz to a minor league contract. |
| Apr 15, 2015 | Signed as free agent | Pedro Ventura | — | New York Mets | New York Mets signed free agent SS Pedro Ventura to a minor league contract. |
| Apr 14, 2015 | Signed as free agent | Ryan Webb | — | Cleveland Guardians | Cleveland Indians signed free agent RHP Ryan Webb to a minor league contract. |
| Apr 14, 2015 | Released | Carlos Quentin | — | Atlanta Braves | Atlanta Braves released LF Carlos Quentin. |
| Apr 14, 2015 | Signed as free agent | Murphy Smith | — | Toronto Blue Jays | Toronto Blue Jays signed free agent RHP Murphy Smith to a minor league contract. |
| Apr 14, 2015 | Signed as free agent | Juan Diaz | — | Miami Marlins | Miami Marlins signed free agent SS Juan Diaz to a minor league contract. |
| Apr 14, 2015 | Signed as free agent | Euclides Leyer | — | Chicago White Sox | Chicago White Sox signed free agent RHP Euclides Leyer to a minor league contract. |
| Apr 14, 2015 | Signed as free agent | Brian Fletcher | — | Chicago White Sox | Chicago White Sox signed free agent LF Brian Fletcher to a minor league contract. |
| Apr 14, 2015 | Signed as free agent | Perci Garner | — | Cleveland Guardians | Cleveland Indians signed free agent RHP Perci Garner to a minor league contract. |
| Apr 14, 2015 | Signed as free agent | Zach Nuding | — | Cleveland Guardians | Cleveland Indians signed free agent RHP Zach Nuding to a minor league contract. |
| Apr 13, 2015 | Released | Ryan Webb | — | Los Angeles Dodgers | Los Angeles Dodgers released RHP Ryan Webb. |
| Apr 13, 2015 | Signed as free agent | Chris Smith | — | New York Yankees | New York Yankees signed free agent RHP Chris Smith to a minor league contract. |
| Apr 13, 2015 | Signed as free agent | Jhoulys Chacín | — | Cleveland Guardians | Cleveland Indians signed free agent RHP Jhoulys Chacin to a minor league contract. |
| Apr 13, 2015 | Released | Luis Touron | — | Chicago White Sox | Chicago White Sox released C Luis Touron. |
| Apr 12, 2015 | Released | Charles Brewer | — | Cleveland Guardians | Cleveland Indians released RHP Charles Brewer. |
| Apr 11, 2015 | Signed as free agent | Jonathan Meyer | — | San Diego Padres | San Diego Padres signed free agent 3B Jonathan Meyer to a minor league contract. |
| Apr 11, 2015 | Signed as free agent | Kasey Coffman | — | Los Angeles Angels | Los Angeles Angels signed free agent OF Kasey Coffman to a minor league contract. |
| Apr 10, 2015 | Signed as free agent | Fauris Guerrero | — | Chicago Cubs | Chicago Cubs signed free agent RHP Fauris Guerrero to a minor league contract. |
| Apr 9, 2015 | Signed as free agent | Adam Reifer | — | Philadelphia Phillies | Philadelphia Phillies signed free agent RHP Adam Reifer to a minor league contract. |
| Apr 9, 2015 | Signed as free agent | Scott Baker | — | Los Angeles Dodgers | Los Angeles Dodgers signed free agent RHP Scott Baker to a minor league contract. |
| Apr 9, 2015 | Signed as free agent | Jorge De Leon | — | Los Angeles Dodgers | Los Angeles Dodgers signed free agent RHP Jorge De Leon to a minor league contract. |
| Apr 9, 2015 | Signed as free agent | Freddy Garcia | — | Los Angeles Dodgers | Los Angeles Dodgers signed free agent RHP Freddy Garcia to a minor league contract. |
| Apr 9, 2015 | Signed as free agent | Matt Koch | — | Los Angeles Angels | Los Angeles Angels signed free agent C Matt Koch to a minor league contract. |
| Apr 9, 2015 | Signed as free agent | Alexi Casilla | — | Tampa Bay Rays | Tampa Bay Rays signed free agent 2B Alexi Casilla to a minor league contract. |
| Apr 9, 2015 | Trade | Ryan Webb | Baltimore Orioles | Los Angeles Dodgers | Baltimore Orioles traded C Brian Ward and RHP Ryan Webb to Los Angeles Dodgers for RHP Ben Rowen and C Chris O'Brien. |
| Apr 9, 2015 | Signed as free agent | Devin Jones | — | Baltimore Orioles | Baltimore Orioles signed free agent RHP Devin Jones to a minor league contract. |
| Apr 9, 2015 | Signed | Tom Gavitt | — | Athletics | Oakland Athletics signed C Tom Gavitt. |
| Apr 9, 2015 | Signed as free agent | James Harris | — | Athletics | Oakland Athletics signed free agent LF James Harris to a minor league contract. |
| Apr 9, 2015 | Signed as free agent | Kevin Perez | — | Washington Nationals | Washington Nationals signed free agent RHP Kevin Perez to a minor league contract. |
| Apr 9, 2015 | Signed as free agent | Cody Wheeler | — | Baltimore Orioles | Baltimore Orioles signed free agent LHP Cody Wheeler to a minor league contract. |
| Apr 9, 2015 | Released | J.P. Arencibia | — | Baltimore Orioles | Baltimore Orioles released C J.P. Arencibia. |
| Apr 9, 2015 | Signed as free agent | Pedro Vasquez | — | Seattle Mariners | Seattle Mariners signed free agent RHP Pedro Vasquez to a minor league contract. |
| Apr 8, 2015 | Signed as free agent | Cody Ross | — | Athletics | Oakland Athletics signed free agent LF Cody Ross. |
| Apr 8, 2015 | Signed as free agent | James Russell | — | Chicago Cubs | Chicago Cubs signed free agent LHP James Russell to a minor league contract. |
| Apr 8, 2015 | Signed as free agent | Brodie Greene | — | Philadelphia Phillies | Philadelphia Phillies signed free agent 2B Brodie Greene to a minor league contract. |
| Apr 8, 2015 | Signed as free agent | Omir Santos | — | Cleveland Guardians | Cleveland Indians signed free agent C Omir Santos to a minor league contract. |
| Apr 8, 2015 | Signed as free agent | Carlos Baez | — | Baltimore Orioles | Baltimore Orioles signed free agent SS Carlos Baez to a minor league contract. |
| Apr 8, 2015 | Signed as free agent | Jonathan Guzman | — | San Diego Padres | San Diego Padres signed free agent RHP Jonathan Guzman to a minor league contract. |
| Apr 7, 2015 | Released | Ryan Sweeney | — | Chicago Cubs | Chicago Cubs released CF Ryan Sweeney. |
| Apr 7, 2015 | Signed as free agent | Jose Gonzalez | — | Boston Red Sox | Boston Red Sox signed free agent RHP Jose Gonzalez to a minor league contract. |
| Apr 6, 2015 | Signed as free agent | Tyler Jones | — | Atlanta Braves | Atlanta Braves signed free agent RHP Tyler Jones to a minor league contract. |
| Apr 6, 2015 | Trade | Victor Reyes | Atlanta Braves | Arizona Diamondbacks | Atlanta Braves traded RF Victor Reyes to Arizona Diamondbacks for . |
| Apr 6, 2015 | Signed as free agent | Matt Capps | — | Atlanta Braves | Atlanta Braves signed free agent RHP Matt Capps to a minor league contract. |
| Apr 6, 2015 | Signed as free agent | Chris Perez | — | Milwaukee Brewers | Milwaukee Brewers signed free agent RHP Chris Perez to a minor league contract. |
| Apr 6, 2015 | Released | Juan Pablo Oramas | — | Toronto Blue Jays | Toronto Blue Jays released LHP Juan Pablo Oramas. |
| Apr 6, 2015 | Signed as free agent | Jarett Miller | — | Baltimore Orioles | Baltimore Orioles signed free agent RHP Jarrett Miller to a minor league contract. |
| Apr 6, 2015 | Signed as free agent | Wandy Rodriguez | — | Texas Rangers | Texas Rangers signed free agent LHP Wandy Rodriguez to a minor league contract. |
| Apr 6, 2015 | Signed as free agent | Marcus Knecht | — | Minnesota Twins | Minnesota Twins signed free agent RF Marcus Knecht to a minor league contract. |
| Apr 6, 2015 | Signed as free agent | Joe Saunders | — | Seattle Mariners | Seattle Mariners signed free agent LHP Joe Saunders to a minor league contract. |
| Apr 6, 2015 | Signed as free agent | Tony Thomas | — | Philadelphia Phillies | Philadelphia Phillies signed free agent 2B Tony Thomas to a minor league contract. |
| Apr 6, 2015 | Signed as free agent | Luis Santos | — | Toronto Blue Jays | Toronto Blue Jays signed free agent RHP Luis Santos to a minor league contract. |
| Apr 5, 2015 | Released | Cody Ross | — | Arizona Diamondbacks | Arizona Diamondbacks released LF Cody Ross. |
| Apr 5, 2015 | Trade | Cameron Maybin | San Diego Padres | Atlanta Braves | Atlanta Braves traded RHP Craig Kimbrel and Melvin Upton Jr. to San Diego Padres for CF Cameron Maybin, LF Carlos Quentin, LF Jordan Paroubeck and RHP Matt Wisler. |
| Apr 5, 2015 | Signed as free agent | Scott Diamond | — | Tampa Bay Rays | Tampa Bay Rays signed free agent LHP Scott Diamond to a minor league contract. |
| Apr 5, 2015 | Signed as free agent | Bradin Hagens | — | Tampa Bay Rays | Tampa Bay Rays signed free agent RHP Bradin Hagens to a minor league contract. |
| Apr 5, 2015 | Signed as free agent | Kevin Correia | — | San Francisco Giants | San Francisco Giants signed free agent RHP Kevin Correia to a minor league contract. |
| Apr 5, 2015 | Signed as free agent | Deck McGuire | — | Los Angeles Dodgers | Los Angeles Dodgers signed free agent RHP Deck McGuire to a minor league contract. |
| Apr 4, 2015 | Trade | Michael Bowden | Cincinnati Reds | Baltimore Orioles | Cincinnati Reds traded RHP Michael Bowden to Baltimore Orioles for cash. |
| Apr 4, 2015 | Signed as free agent | Dustin McGowan | — | Philadelphia Phillies | Philadelphia Phillies signed free agent RHP Dustin McGowan. |
| Apr 4, 2015 | Signed as free agent | Adonis García | — | Atlanta Braves | Atlanta Braves signed free agent RF Adonis Garcia to a minor league contract. |
| Apr 4, 2015 | Released | Deck McGuire | — | Athletics | Oakland Athletics released RHP Deck McGuire. |
| Apr 4, 2015 | Signed as free agent | Chris Curley | — | Chicago White Sox | Chicago White Sox signed free agent 3B Chris Curley to a minor league contract. |
| Apr 4, 2015 | Trade | Andrew Triggs | Kansas City Royals | Baltimore Orioles | Kansas City Royals traded RHP Andrew Triggs to Baltimore Orioles for cash. |
| Apr 4, 2015 | Signed as free agent | Troy Patton | — | Kansas City Royals | Kansas City Royals signed free agent LHP Troy Patton to a minor league contract. |
| Apr 4, 2015 | Released | Daniel Schlereth | — | Detroit Tigers | Detroit Tigers released LHP Daniel Schlereth. |
| Apr 3, 2015 | Trade | Trevor Cahill | Arizona Diamondbacks | Atlanta Braves | Arizona Diamondbacks traded cash and RHP Trevor Cahill to Atlanta Braves for LF Josh Elander. |
| Apr 3, 2015 | Signed as free agent | Matt Tuiasosopo | — | Chicago White Sox | Chicago White Sox signed free agent LF Matt Tuiasosopo to a minor league contract. |
| Apr 3, 2015 | Released | Jesus Flores | — | Atlanta Braves | Atlanta Braves released C Jesus Flores. |
| Apr 3, 2015 | Released | Wandy Rodriguez | — | Atlanta Braves | Atlanta Braves released LHP Wandy Rodriguez. |
| Apr 3, 2015 | Released | Tyler Colvin | — | Miami Marlins | Miami Marlins released LF Tyler Colvin. |
| Apr 3, 2015 | Released | Jeremy Barfield | — | Colorado Rockies | Colorado Rockies released RF Jeremy Barfield. |
| Apr 3, 2015 | Released | P.J. Walters | — | Philadelphia Phillies | Philadelphia Phillies released RHP P.J. Walters. |
| Apr 3, 2015 | Released | Matt Hoffman | — | Boston Red Sox | Boston Red Sox released LHP Matt Hoffman. |
| Apr 3, 2015 | Released | Edgmer Escalona | — | San Francisco Giants | San Francisco Giants released RHP Edgmer Escalona. |
| Apr 3, 2015 | Released | Bryan LaHair | — | Boston Red Sox | Boston Red Sox released 1B Bryan LaHair. |
| Apr 2, 2015 | Trade | Hunter Morris | Milwaukee Brewers | Pittsburgh Pirates | Milwaukee Brewers traded 1B Hunter Morris to Pittsburgh Pirates for Player To Be Named Later. |
| Apr 2, 2015 | Released | Jose Valverde | — | San Diego Padres | San Diego Padres released RHP Jose Valverde. |
| Apr 2, 2015 | Released | Wilfredo Ledezma | — | Minnesota Twins | Minnesota Twins released LHP Wil Ledezma. |
| Apr 2, 2015 | Released | Paul Smyth | — | Athletics | Oakland Athletics released RHP Paul Smyth. |
| Apr 2, 2015 | Released | Justin Amlung | — | Chicago Cubs | Chicago Cubs released RHP Justin Amlung. |
| Apr 2, 2015 | Released | Kyle Winkler | — | Arizona Diamondbacks | Arizona Diamondbacks released RHP Kyle Winkler. |
| Apr 2, 2015 | Signed as free agent | Joe Beimel | — | Seattle Mariners | Seattle Mariners signed free agent LHP Joe Beimel to a minor league contract. |
| Apr 2, 2015 | Released | Matt Capps | — | Atlanta Braves | Atlanta Braves released RHP Matt Capps. |
| Apr 2, 2015 | Signed as free agent | Ramon Santiago | — | Toronto Blue Jays | Toronto Blue Jays signed free agent 2B Ramon Santiago to a minor league contract. |
| Apr 2, 2015 | Trade | Tony Zych | Chicago Cubs | Seattle Mariners | Chicago Cubs traded RHP Tony Zych to Seattle Mariners for Player To Be Named Later. |
| Apr 2, 2015 | Signed as free agent | Matt Lindstrom | — | Chicago White Sox | Chicago White Sox signed free agent RHP Matt Lindstrom to a minor league contract. |
| Apr 2, 2015 | Released | Brian Anderson | — | Chicago White Sox | Chicago White Sox released CF Brian Anderson. |
| Apr 2, 2015 | Signed as free agent | Josh Smoker | — | New York Mets | New York Mets signed free agent LHP Josh Smoker to a minor league contract. |
| Apr 2, 2015 | Released | Trayvon Robinson | — | San Diego Padres | San Diego Padres released LF Trayvon Robinson. |
| Apr 1, 2015 | Released | Dustin McGowan | — | Los Angeles Dodgers | Los Angeles Dodgers released RHP Dustin McGowan. |
| Apr 1, 2015 | Released | Kevin Frandsen | — | Washington Nationals | Washington Nationals released LF Kevin Frandsen. |
| Apr 1, 2015 | Trade | Gregorio Petit | Houston Astros | New York Yankees | Houston Astros traded SS Gregorio Petit to New York Yankees for cash. |
| Apr 1, 2015 | Released | J.D. Martin | — | Chicago White Sox | Chicago White Sox released RHP J.D. Martin. |
| Apr 1, 2015 | Released | Austin Kirk | — | Chicago Cubs | Chicago Cubs released LHP Austin Kirk. |
| Apr 1, 2015 | Released | Andy LaRoche | — | Chicago White Sox | Chicago White Sox released 3B Andy LaRoche. |
| Apr 1, 2015 | Released | Taylor Lewis | — | Pittsburgh Pirates | Pittsburgh Pirates released OF Taylor Lewis. |
| Apr 1, 2015 | Released | Joan Montero | — | Pittsburgh Pirates | Pittsburgh Pirates released RHP Joan Montero. |
| Apr 1, 2015 | Released | Sean Lucas | — | Cincinnati Reds | Cincinnati Reds released LHP Sean Lucas. |
| Apr 1, 2015 | Released | Justin Trapp | — | Kansas City Royals | Kansas City Royals released 2B Justin Trapp. |
| Apr 1, 2015 | Released | Danny Collins | — | Pittsburgh Pirates | Pittsburgh Pirates released RF Danny Collins. |
| Apr 1, 2015 | Signed as free agent | Nick Masset | — | Miami Marlins | Miami Marlins signed free agent RHP Nick Masset to a minor league contract. |
| Apr 1, 2015 | Released | Euclides Leyer | — | Cincinnati Reds | Cincinnati Reds released RHP Euclides Leyer. |
| Mar 31, 2015 | Released | Felipe Paulino | — | Boston Red Sox | Boston Red Sox released RHP Felipe Paulino. |
| Mar 31, 2015 | Released | Nick Masset | — | Miami Marlins | Miami Marlins released RHP Nick Masset. |
| Mar 31, 2015 | Trade | Audry Pérez | Colorado Rockies | Baltimore Orioles | Colorado Rockies traded C Audry Perez to Baltimore Orioles for cash. |
| Mar 31, 2015 | Released | Endy Chavez | — | Seattle Mariners | Seattle Mariners released RF Endy Chavez. |
| Mar 31, 2015 | Released | Rafael Furcal | — | Kansas City Royals | Kansas City Royals released 2B Rafael Furcal. |
| Mar 31, 2015 | Trade | Mike Montgomery | Tampa Bay Rays | Seattle Mariners | Seattle Mariners traded RHP Erasmo Ramirez to Tampa Bay Rays for LHP Mike Montgomery. |
| Mar 31, 2015 | Released | Kevin Slowey | — | Philadelphia Phillies | Philadelphia Phillies released RHP Kevin Slowey. |
| Mar 31, 2015 | Released | Alexi Casilla | — | Tampa Bay Rays | Tampa Bay Rays released 2B Alexi Casilla. |
| Mar 31, 2015 | Trade | Elliot Johnson | Texas Rangers | Los Angeles Dodgers | Texas Rangers traded 2B Elliot Johnson to Los Angeles Dodgers for cash. |
| Mar 31, 2015 | Released | Jamey Wright | — | Texas Rangers | Texas Rangers released RHP Jamey Wright. |
| Mar 31, 2015 | Released | Dayan Viciedo | — | Toronto Blue Jays | Toronto Blue Jays released RF Dayan Viciedo. |
| Mar 31, 2015 | Signed as free agent | Félix Doubront | — | Toronto Blue Jays | Toronto Blue Jays signed free agent LHP Felix Doubront to a minor league contract. |
| Mar 31, 2015 | Released | Jonathan Jones | — | Miami Marlins | Miami Marlins released CF Jonathan Jones. |
| Mar 31, 2015 | Signed as free agent | Jose Vasquez | — | Detroit Tigers | Detroit Tigers signed free agent RHP Jose Vasquez to a minor league contract. |
| Mar 30, 2015 | Trade | Sandy León | Washington Nationals | Boston Red Sox | Washington Nationals traded C Sandy Leon to Boston Red Sox for cash. |
| Mar 30, 2015 | Released | Paul Maholm | — | Cincinnati Reds | Cincinnati Reds released LHP Paul Maholm. |
| Mar 30, 2015 | Trade | Alex Torres | San Diego Padres | New York Mets | San Diego Padres traded LHP Alex Torres to New York Mets for RHP Cory Mazzoni and Player To Be Named Later. |
| Mar 30, 2015 | Released | Kevin Correia | — | Seattle Mariners | Seattle Mariners released RHP Kevin Correia. |
| Mar 30, 2015 | Trade | Matthew den Dekker | New York Mets | Washington Nationals | New York Mets traded CF Matt den Dekker to Washington Nationals for LHP Jerry Blevins. |
| Mar 30, 2015 | Released | Scott Downs | — | Cleveland Guardians | Cleveland Indians released LHP Scott Downs. |
| Mar 30, 2015 | Released | Joe Savery | — | Chicago White Sox | Chicago White Sox released LHP Joe Savery. |
| Mar 30, 2015 | Released | Mark Rogers | — | Texas Rangers | Texas Rangers released RHP Mark Rogers. |
| Mar 30, 2015 | Released | Mitch Atkins | — | Texas Rangers | Texas Rangers released RHP Mitch Atkins. |
| Mar 30, 2015 | Released | Deryk Hooker | — | Boston Red Sox | Boston Red Sox released RHP Deryk Hooker. |
| Mar 30, 2015 | Released | Ryan Ludwick | — | Texas Rangers | Texas Rangers released LF Ryan Ludwick. |
| Mar 30, 2015 | Released | Jeremy Accardo | — | Arizona Diamondbacks | Arizona Diamondbacks released RHP Jeremy Accardo. |
| Mar 30, 2015 | Released | Ramon Santiago | — | Toronto Blue Jays | Toronto Blue Jays released 2B Ramon Santiago. |
| Mar 30, 2015 | Released | Ryan Court | — | Arizona Diamondbacks | Arizona Diamondbacks released IF Ryan Court. |
| Mar 30, 2015 | Released | Yosmany Guerra | — | Miami Marlins | Miami Marlins released SS Yosmany Guerra. |
| Mar 30, 2015 | Released | Matt Koch | — | Minnesota Twins | Minnesota Twins released C Matt Koch. |
| Mar 30, 2015 | Released | Jordan Guth | — | Philadelphia Phillies | Philadelphia Phillies released RHP Jordan Guth. |
| Mar 30, 2015 | Released | Mark Threlkeld | — | Kansas City Royals | Kansas City Royals released 1B Mark Threlkeld. |
| Mar 30, 2015 | Released | Kyle Knudson | — | Minnesota Twins | Minnesota Twins released C Kyle Knudson. |
| Mar 30, 2015 | Released | Mike Kvasnicka | — | Minnesota Twins | Minnesota Twins released RF Mike Kvasnicka. |
| Mar 30, 2015 | Released | Yenier Bello | — | Atlanta Braves | Atlanta Braves released C Yenier Bello. |
| Mar 30, 2015 | Signed as free agent | James Baldwin | — | Chicago White Sox | Chicago White Sox signed free agent OF James Baldwin to a minor league contract. |
| Mar 30, 2015 | Released | Leyson Septimo | — | Atlanta Braves | Atlanta Braves released LHP Leyson Septimo. |
| Mar 30, 2015 | Signed as free agent | Daniel Diaz | — | Chicago Cubs | Chicago Cubs signed free agent C Daniel Diaz to a minor league contract. |
| Mar 29, 2015 | Released | Ryan Roberts | — | Kansas City Royals | Kansas City Royals released 2B Ryan Roberts. |
| Mar 29, 2015 | Released | James Russell | — | Atlanta Braves | Atlanta Braves released LHP James Russell. |
| Mar 29, 2015 | Released | Scott Baker | — | New York Yankees | New York Yankees released RHP Scott Baker. |
| Mar 29, 2015 | Released | Chris Perez | — | Milwaukee Brewers | Milwaukee Brewers released RHP Chris Perez. |
| Mar 29, 2015 | Released | Reed Johnson | — | Miami Marlins | Miami Marlins released LF Reed Johnson. |
| Mar 29, 2015 | Released | Brad Duffy | — | Baltimore Orioles | Baltimore Orioles released RHP Brad Duffy. |
| Mar 28, 2015 | Trade | Sam Freeman | St. Louis Cardinals | Texas Rangers | St. Louis Cardinals traded LHP Sam Freeman to Texas Rangers for Player To Be Named Later. |
| Mar 28, 2015 | Released | Félix Doubront | — | Chicago Cubs | Chicago Cubs released LHP Felix Doubront. |
| Mar 28, 2015 | Released | Nate Schierholtz | — | Texas Rangers | Texas Rangers released RF Nate Schierholtz. |
| Mar 28, 2015 | Released | Juan Carlos Oviedo | — | Texas Rangers | Texas Rangers released RHP Juan Carlos Oviedo. |
| Mar 28, 2015 | Released | Matt Lindstrom | — | Los Angeles Angels | Los Angeles Angels released RHP Matt Lindstrom. |
| Mar 28, 2015 | Released | Danny Moskovits | — | Arizona Diamondbacks | Arizona Diamondbacks released RHP Danny Moskovits. |
| Mar 27, 2015 | Released | Luke Putkonen | — | Detroit Tigers | Detroit Tigers released RHP Luke Putkonen. |
| Mar 27, 2015 | Signed as free agent | Luis Moncada | — | Tampa Bay Rays | Tampa Bay Rays signed free agent LHP Luis Moncada to a minor league contract. |
| Mar 26, 2015 | Released | Mitchell Boggs | — | Boston Red Sox | Boston Red Sox released RHP Mitchell Boggs. |
| Mar 26, 2015 | Trade | Dan Johnson | Houston Astros | Cincinnati Reds | Houston Astros traded 1B Dan Johnson to Cincinnati Reds for Player To Be Named Later. |
| Mar 26, 2015 | Trade | Devin Lohman | Cincinnati Reds | Philadelphia Phillies | Cincinnati Reds traded SS Devin Lohman to Philadelphia Phillies for Player To Be Named Later. |
| Mar 26, 2015 | Released | Jared Burton | — | New York Yankees | New York Yankees released RHP Jared Burton. |
| Mar 26, 2015 | Released | Jeff Lorick | — | Chicago Cubs | Chicago Cubs released LHP Jeff Lorick. |
| Mar 26, 2015 | Released | James Harris | — | Tampa Bay Rays | Tampa Bay Rays released LF James Harris. |
| Mar 26, 2015 | Released | Matt Wessinger | — | Colorado Rockies | Colorado Rockies released IF Matt Wessinger. |
| Mar 26, 2015 | Released | Alfredo Lopez | — | Miami Marlins | Miami Marlins released 2B Alfredo Lopez. |
| Mar 26, 2015 | Released | Jared Simon | — | Colorado Rockies | Colorado Rockies released OF Jared Simon. |
| Mar 26, 2015 | Released | Brian Humphries | — | Colorado Rockies | Colorado Rockies released LF Brian Humphries. |
| Mar 26, 2015 | Signed as free agent | Ethan Elias | — | Arizona Diamondbacks | Arizona Diamondbacks signed free agent RHP Ethan Elias to a minor league contract. |
| Mar 25, 2015 | Trade | Mike McDade | Texas Rangers | Baltimore Orioles | Texas Rangers traded 1B Mike McDade to Baltimore Orioles for Future Considerations. |
| Mar 25, 2015 | Signed as free agent | Hernys Blanco | — | Baltimore Orioles | Baltimore Orioles signed free agent OF Hernys Blanco to a minor league contract. |
| Mar 25, 2015 | Released | Chris Peacock | — | Pittsburgh Pirates | Pittsburgh Pirates released RHP Chris Peacock. |
| Mar 25, 2015 | Signed as free agent | Juan Lopez | — | Houston Astros | Houston Astros signed free agent RHP Juan Lopez to a minor league contract. |
| Mar 25, 2015 | Signed as free agent | Jose Mora | — | Athletics | Oakland Athletics signed free agent RHP Jose Mora to a minor league contract. |
| Mar 24, 2015 | Released | Efrain Nieves | — | Texas Rangers | Texas Rangers released LHP Efrain Nieves. |
| Mar 24, 2015 | Released | Jerrud Sabourin | — | Cleveland Guardians | Cleveland Indians released 1B Jerrud Sabourin. |
| Mar 24, 2015 | Signed as free agent | Wandisson Charles | — | Athletics | Oakland Athletics signed free agent RHP Wandisson Charles to a minor league contract. |
| Mar 23, 2015 | Released | Jose Mijares | — | Cincinnati Reds | Cincinnati Reds released LHP Jose Mijares. |
| Mar 23, 2015 | Trade | Neftali Soto | Cincinnati Reds | Chicago White Sox | Cincinnati Reds traded 1B Neftali Soto to Chicago White Sox for cash. |
| Mar 23, 2015 | Released | Joe Beimel | — | Texas Rangers | Texas Rangers released LHP Joe Beimel. |
| Mar 23, 2015 | Released | Heath Bell | — | Washington Nationals | Washington Nationals released RHP Heath Bell. |
| Mar 23, 2015 | Signed as free agent | Franklyn Soriano | — | Arizona Diamondbacks | Arizona Diamondbacks signed free agent LHP Franklyn Soriano to a minor league contract. |
| Mar 22, 2015 | Released | Jhoulys Chacín | — | Colorado Rockies | Colorado Rockies released RHP Jhoulys Chacin. |
| Mar 21, 2015 | Trade | Mike Blanke | Chicago White Sox | Arizona Diamondbacks | Chicago White Sox traded C Michael Blanke to Arizona Diamondbacks for cash. |
| Mar 21, 2015 | Released | Stew Brase | — | Arizona Diamondbacks | Arizona Diamondbacks released RHP Stew Brase. |
| Mar 21, 2015 | Released | Shayne Houck | — | Arizona Diamondbacks | Arizona Diamondbacks released 3B Shayne Houck. |
| Mar 21, 2015 | Trade | Sean Furney | Arizona Diamondbacks | Atlanta Braves | Arizona Diamondbacks traded RHP Sean Furney to Atlanta Braves for cash. |
| Mar 21, 2015 | Signed as free agent | Rafael Furcal | — | Kansas City Royals | Kansas City Royals signed free agent 2B Rafael Furcal to a minor league contract. |
| Mar 20, 2015 | Signed as free agent | Jhonleider Salinas | — | Cleveland Guardians | Cleveland Indians signed free agent Jhonleider Salinas. |
| Mar 20, 2015 | Signed as free agent | Saul De La Cruz | — | Pittsburgh Pirates | Pittsburgh Pirates signed free agent RHP Saul De La Cruz to a minor league contract. |
| Mar 19, 2015 | Released | Jose Veras | — | Atlanta Braves | Atlanta Braves released RHP Jose Veras. |
| Mar 19, 2015 | Signed as free agent | Ignacio Otano | — | Milwaukee Brewers | Milwaukee Brewers signed free agent SS Ignacio Otano to a minor league contract. |
| Mar 19, 2015 | Signed as free agent | Hansel Jimenez | — | Baltimore Orioles | Baltimore Orioles signed free agent LF Hansel Jimenez to a minor league contract. |
| Mar 19, 2015 | Signed as free agent | Fredy Medina | — | Houston Astros | Houston Astros signed free agent SS Fredy Medina to a minor league contract. |
| Mar 19, 2015 | Signed as free agent | Estevan Florial | — | New York Yankees | New York Yankees signed free agent CF Estevan Florial to a minor league contract. |
| Mar 19, 2015 | Signed as free agent | Cristian Javier | — | Houston Astros | Houston Astros signed free agent RHP Cristian Javier to a minor league contract. |
| Mar 19, 2015 | Signed as free agent | Framber Valdez | — | Houston Astros | Houston Astros signed free agent LHP Framber Valdez to a minor league contract. |
| Mar 18, 2015 | Released | Scott Cousins | — | Texas Rangers | Texas Rangers released LHP Scott Cousins. |
| Mar 18, 2015 | Signed as free agent | Randy Wolf | — | Toronto Blue Jays | Toronto Blue Jays signed free agent LHP Randy Wolf to a minor league contract. |
| Mar 18, 2015 | Released | Buddy Boshers | — | Colorado Rockies | Colorado Rockies released LHP Buddy Boshers. |
| Mar 18, 2015 | Signed as free agent | Joel Espinal | — | Toronto Blue Jays | Toronto Blue Jays signed free agent RHP Joel Espinal to a minor league contract. |
| Mar 17, 2015 | Released | Jeff Kobernus | — | Washington Nationals | Washington Nationals released LF Jeff Kobernus. |
| Mar 17, 2015 | Trade | Jackson Williams | Los Angeles Angels | San Francisco Giants | Los Angeles Angels traded C Jackson Williams to San Francisco Giants for cash. |
| Mar 17, 2015 | Signed as free agent | Brendan Harris | — | Detroit Tigers | Detroit Tigers signed free agent 2B Brendan Harris to a minor league contract. |
| Mar 17, 2015 | Released | Michael Kirkman | — | Texas Rangers | Texas Rangers released LHP Michael Kirkman. |
| Mar 16, 2015 | Released | Mark Hendrickson | — | Baltimore Orioles | Baltimore Orioles released LHP Mark Hendrickson. |
| Mar 16, 2015 | Signed as free agent | Jiwan James | — | Detroit Tigers | Detroit Tigers signed free agent CF Jiwan James to a minor league contract. |
| Mar 16, 2015 | Signed as free agent | Nelson B Alvarez | — | New York Yankees | New York Yankees signed free agent OF Nelson Alvarez to a minor league contract. |
| Mar 16, 2015 | Signed | Dauri Moreta | — | Cincinnati Reds | Cincinnati Reds signed RHP Dauri Moreta. |
| Mar 16, 2015 | Signed as free agent | Ricardo Smith | — | Cincinnati Reds | Cincinnati Reds signed free agent RHP Ricardo Smith to a minor league contract. |
| Mar 16, 2015 | Signed as free agent | Moises Nova | — | Cincinnati Reds | Cincinnati Reds signed free agent RHP Moises Nova to a minor league contract. |
| Mar 15, 2015 | Released | Ben Francisco | — | Arizona Diamondbacks | Arizona Diamondbacks released LF Ben Francisco. |
| Mar 15, 2015 | Signed as free agent | Tyler Robertson | — | Miami Marlins | Miami Marlins signed free agent LHP Tyler Robertson to a minor league contract. |
| Mar 14, 2015 | Signed as free agent | Francisco Rodríguez | — | Milwaukee Brewers | Milwaukee Brewers signed free agent RHP Francisco Rodriguez. |
| Mar 14, 2015 | Signed as free agent | Tanner Witt | — | Chicago Cubs | Chicago Cubs signed free agent 2B Tanner Witt to a minor league contract. |
| Mar 14, 2015 | Signed as free agent | Ramon Castro | — | Kansas City Royals | Kansas City Royals signed free agent 2B Ramon Castro to a minor league contract. |
| Mar 14, 2015 | Signed as free agent | Tyler LaTorre | — | Milwaukee Brewers | Milwaukee Brewers signed free agent C Tyler LaTorre to a minor league contract. |
| Mar 13, 2015 | Signed as free agent | Cody Regis | — | Arizona Diamondbacks | Arizona Diamondbacks signed free agent 2B Cody Regis to a minor league contract. |
| Mar 13, 2015 | Signed as free agent | Jim Pjura | — | Arizona Diamondbacks | Arizona Diamondbacks signed free agent OF James Pjura to a minor league contract. |
| Mar 13, 2015 | Signed as free agent | Jose Alejandro | — | Tampa Bay Rays | Tampa Bay Rays signed free agent RHP Jose Alejandro to a minor league contract. |
| Mar 13, 2015 | Signed as free agent | Keibert Petit | — | Boston Red Sox | Boston Red Sox signed free agent 1B Keibert Petit to a minor league contract. |
| Mar 13, 2015 | Signed as free agent | Wuilder Rodriguez | — | Milwaukee Brewers | Milwaukee Brewers signed free agent RHP Wuilder Rodriguez to a minor league contract. |
| Mar 12, 2015 | Signed as free agent | Yoán Moncada | — | Boston Red Sox | Boston Red Sox signed free agent 2B Yoan Moncada to a minor league contract. |
| Mar 12, 2015 | Signed as free agent | Jhonathan Ramos | — | Baltimore Orioles | Baltimore Orioles signed free agent LHP Jhonathan Ramos to a minor league contract. |
| Mar 12, 2015 | Signed as free agent | Marcus Lemon | — | Chicago White Sox | Chicago White Sox signed free agent 2B Marcus Lemon to a minor league contract. |
| Mar 12, 2015 | Signed as free agent | Anderson Green | — | Toronto Blue Jays | Toronto Blue Jays signed free agent SS Anderson Green to a minor league contract. |
| Mar 11, 2015 | Signed as free agent | Peter Moylan | — | Atlanta Braves | Atlanta Braves signed free agent RHP Peter Moylan to a minor league contract. |
| Mar 11, 2015 | Signed as free agent | Carlos Mesa | — | Boston Red Sox | Boston Red Sox signed free agent RF Carlos Mesa to a minor league contract. |
| Mar 11, 2015 | Signed as free agent | Beau Maggi | — | Los Angeles Angels | Los Angeles Angels signed free agent C Beau Maggi to a minor league contract. |
| Mar 11, 2015 | Signed as free agent | Drew Maggi | — | Los Angeles Angels | Los Angeles Angels signed free agent 3B Drew Maggi to a minor league contract. |
| Mar 11, 2015 | Signed as free agent | Jonny Venters | — | Tampa Bay Rays | Tampa Bay Rays signed free agent LHP Jonny Venters to a minor league contract. |
| Mar 11, 2015 | Signed as free agent | Dustin Bare | — | Atlanta Braves | Atlanta Braves signed free agent RHP Dustin Bare to a minor league contract. |
| Mar 10, 2015 | Signed as free agent | Robby Rowland | — | St. Louis Cardinals | St. Louis Cardinals signed free agent RHP Robby Rowland to a minor league contract. |
| Mar 10, 2015 | Signed as free agent | Andres Guerra | — | Toronto Blue Jays | Toronto Blue Jays signed free agent C Andres Guerra to a minor league contract. |
| Mar 10, 2015 | Signed as free agent | Luis Hurtado | — | Toronto Blue Jays | Toronto Blue Jays signed free agent C Luis Hurtado to a minor league contract. |
| Mar 9, 2015 | Signed as free agent | Kevin Correia | — | Seattle Mariners | Seattle Mariners signed free agent RHP Kevin Correia to a minor league contract and invited him to spring training. |
| Mar 9, 2015 | Signed as free agent | Kevin Vance | — | Arizona Diamondbacks | Arizona Diamondbacks signed free agent RHP Kevin Vance to a minor league contract. |
| Mar 9, 2015 | Signed as free agent | Allan Bencid | — | Baltimore Orioles | Baltimore Orioles signed free agent C Allan Bencid to a minor league contract. |
| Mar 9, 2015 | Signed as free agent | Robert Stock | — | Houston Astros | Houston Astros signed free agent RHP Robert Stock to a minor league contract. |
| Mar 9, 2015 | Signed as free agent | Carlos Pulido | — | Boston Red Sox | Boston Red Sox signed free agent C Carlos Pulido to a minor league contract. |
| Mar 9, 2015 | Signed | José Urquidy | — | Houston Astros | Houston Astros signed RHP Jose Hernandez. |
| Mar 8, 2015 | Signed as free agent | Lance Durham | — | Detroit Tigers | Detroit Tigers signed free agent DH Lance Durham to a minor league contract. |
| Mar 8, 2015 | Signed as free agent | Ediberto Encarnacion | — | Texas Rangers | Texas Rangers signed free agent RHP Ediberto Encarnacion to a minor league contract. |
| Mar 7, 2015 | Signed as free agent | Chris Young | — | Kansas City Royals | Kansas City Royals signed free agent RHP Chris Young. |
| Mar 7, 2015 | Signed as free agent | Phil Coke | — | Chicago Cubs | Chicago Cubs signed free agent LHP Phil Coke to a minor league contract and invited him to spring training. |
| Mar 7, 2015 | Signed as free agent | Harold Guerrero | — | Philadelphia Phillies | Philadelphia Phillies signed free agent LHP Harold Guerrero to a minor league contract. |
| Mar 6, 2015 | Signed as free agent | Joe Beimel | — | Texas Rangers | Texas Rangers signed free agent LHP Joe Beimel. |
| Mar 6, 2015 | Signed as free agent | Edgmer Escalona | — | San Francisco Giants | San Francisco Giants signed free agent RHP Edgmer Escalona to a minor league contract. |
| Mar 6, 2015 | Signed as free agent | Christian Powell | — | Houston Astros | Houston Astros signed free agent RHP Christian Powell to a minor league contract. |
| Mar 6, 2015 | Signed as free agent | Warner Duran | — | Washington Nationals | Washington Nationals signed free agent RHP Warner Duran to a minor league contract. |
| Mar 6, 2015 | Signed as free agent | Chris Carpenter | — | Cincinnati Reds | Cincinnati Reds signed free agent RHP Chris Carpenter to a minor league contract. |
| Mar 6, 2015 | Signed as free agent | Reimin Ramos | — | Tampa Bay Rays | Tampa Bay Rays signed free agent RHP Reimin Ramos to a minor league contract. |
| Mar 5, 2015 | Signed as free agent | Ali Solis | — | Los Angeles Dodgers | Los Angeles Dodgers signed free agent C Ali Solis to a minor league contract. |
| Mar 5, 2015 | Signed as free agent | Jose Ceballos | — | Miami Marlins | Miami Marlins signed free agent C Jose Ceballos to a minor league contract. |
| Mar 5, 2015 | Signed as free agent | Alfredo Aceves | — | San Francisco Giants | San Francisco Giants signed free agent RHP Alfredo Aceves to a minor league contract. |
| Mar 5, 2015 | Signed as free agent | Jim Miller | — | Tampa Bay Rays | Tampa Bay Rays signed free agent RHP Jim Miller to a minor league contract. |
| Mar 5, 2015 | Signed as free agent | Wagner Lagrange | — | New York Mets | New York Mets signed free agent OF Wagner Lagrange to a minor league contract. |
| Mar 5, 2015 | Signed as free agent | Miguel Yajure | — | New York Yankees | New York Yankees signed free agent RHP Miguel Yajure to a minor league contract. |
| Mar 5, 2015 | Signed as free agent | Rafael Lara | — | New York Yankees | New York Yankees signed free agent RHP Rafael Lara to a minor league contract. |
| Mar 4, 2015 | Released | Joel Hanrahan | — | Detroit Tigers | Detroit Tigers released RHP Joel Hanrahan. |
| Mar 4, 2015 | Signed as free agent | Mat Gamel | — | New York Yankees | New York Yankees signed free agent 1B Mat Gamel to a minor league contract. |
| Mar 4, 2015 | Signed as free agent | Pedro Beato | — | Baltimore Orioles | Baltimore Orioles signed free agent RHP Pedro Beato to a minor league contract. |
| Mar 4, 2015 | Signed as free agent | Brian Carroll | — | Colorado Rockies | Colorado Rockies signed free agent CF Brian Carroll to a minor league contract. |
| Mar 4, 2015 | Signed as free agent | Charley Thurber | — | Colorado Rockies | Colorado Rockies signed free agent RF Charley Thurber to a minor league contract. |
| Mar 4, 2015 | Signed as free agent | Joshua Rodriguez | — | New York Mets | New York Mets signed free agent 3B Josh Rodriguez to a minor league contract. |
| Mar 4, 2015 | Signed as free agent | Carlos Guzman | — | Detroit Tigers | Detroit Tigers signed free agent RHP Carlos Guzman to a minor league contract. |
| Mar 3, 2015 | Signed as free agent | Tony Gwynn Jr. | — | Washington Nationals | Washington Nationals signed free agent CF Tony Gwynn Jr. to a minor league contract and invited him to spring training. |
| Mar 3, 2015 | Signed as free agent | Jean Estrella | — | Baltimore Orioles | Baltimore Orioles signed free agent 2B Jean Estrella to a minor league contract. |
| Mar 3, 2015 | Signed as free agent | Andy De La Cruz | — | Baltimore Orioles | Baltimore Orioles signed free agent LHP Andy De La Cruz to a minor league contract. |
| Mar 2, 2015 | Signed as free agent | Casey Kotchman | — | Kansas City Royals | Kansas City Royals signed free agent 1B Casey Kotchman to a minor league contract. |
| Mar 2, 2015 | Signed as free agent | Starlin Cordero | — | San Diego Padres | San Diego Padres signed free agent RHP Starlin Cordero to a minor league contract. |
| Mar 2, 2015 | Signed as free agent | Sixto Sánchez | — | Philadelphia Phillies | Philadelphia Phillies signed free agent RHP Sixto Sanchez to a minor league contract. |
| Mar 1, 2015 | Signed as free agent | Dayan Viciedo | — | Toronto Blue Jays | Toronto Blue Jays signed free agent RF Dayan Viciedo to a minor league contract and invited him to spring training. |
| Mar 1, 2015 | Signed as free agent | Mike Adams | — | Los Angeles Dodgers | Los Angeles Dodgers signed free agent RHP Mike Adams to a minor league contract and invited him to spring training. |
| Mar 1, 2015 | Signed as free agent | Justin Henry | — | Boston Red Sox | Boston Red Sox signed free agent 2B Justin Henry to a minor league contract. |
| Mar 1, 2015 | Signed as free agent | Joe Thurston | — | Boston Red Sox | Boston Red Sox signed free agent 2B Joe Thurston to a minor league contract. |
| Mar 1, 2015 | Signed as free agent | Mark Rogers | — | Texas Rangers | Texas Rangers signed free agent RHP Mark Rogers to a minor league contract. |
| Feb 28, 2015 | Signed as free agent | Rich Hill | — | Washington Nationals | Washington Nationals signed free agent LHP Rich Hill to a minor league contract and invited him to spring training. |
| Feb 28, 2015 | Signed as free agent | Elih Villanueva | — | Baltimore Orioles | Baltimore Orioles signed free agent RHP Elih Villanueva to a minor league contract. |
| Feb 27, 2015 | Signed as free agent | Geoff Broussard | — | Los Angeles Angels | Los Angeles Angels signed free agent RHP Geoff Broussard to a minor league contract. |
| Feb 27, 2015 | Signed as free agent | Travis Adair | — | Los Angeles Angels | Los Angeles Angels signed free agent 2B Travis Adair to a minor league contract. |
| Feb 27, 2015 | Signed as free agent | Tyson Gillies | — | San Diego Padres | San Diego Padres signed free agent CF Tyson Gillies to a minor league contract. |
| Feb 27, 2015 | Signed as free agent | Carlos Espinal | — | New York Yankees | New York Yankees signed free agent RHP Carlos Espinal to a minor league contract. |
| Feb 26, 2015 | Signed as free agent | Johan Santana | — | Toronto Blue Jays | Toronto Blue Jays signed free agent LHP Johan Santana to a minor league contract and invited him to spring training. |
| Feb 26, 2015 | Signed as free agent | Frank Viola | — | Chicago White Sox | Chicago White Sox signed free agent RHP Frank Viola to a minor league contract. |
| Feb 26, 2015 | Signed as free agent | Ryan Stephens | — | Colorado Rockies | Colorado Rockies signed free agent CF Ryan Stephens to a minor league contract. |
| Feb 26, 2015 | Signed as free agent | Anthony Vasquez | — | Philadelphia Phillies | Philadelphia Phillies signed free agent LHP Anthony Vasquez to a minor league contract. |
| Feb 25, 2015 | Signed as free agent | Everth Cabrera | — | Baltimore Orioles | Baltimore Orioles signed free agent SS Everth Cabrera. |
| Feb 25, 2015 | Signed as free agent | Chad Gaudin | — | Los Angeles Dodgers | Los Angeles Dodgers signed free agent RHP Chad Gaudin to a minor league contract and invited him to spring training. |
| Feb 25, 2015 | Signed as free agent | Erick Threets | — | Arizona Diamondbacks | Arizona Diamondbacks signed free agent LHP Erick Threets to a minor league contract. |
| Feb 25, 2015 | Signed as free agent | Ariel Estades | — | Milwaukee Brewers | Milwaukee Brewers signed free agent CF Ariel Estades to a minor league contract. |
| Feb 25, 2015 | Signed as free agent | Chase Patterson | — | Miami Marlins | Miami Marlins signed free agent C Chase Patterson to a minor league contract. |
| Feb 24, 2015 | Signed as free agent | Joba Chamberlain | — | Detroit Tigers | Detroit Tigers signed free agent RHP Joba Chamberlain. |
| Feb 24, 2015 | Signed as free agent | Anderson De La Rosa | — | Kansas City Royals | Kansas City Royals signed free agent C Anderson De La Rosa to a minor league contract. |
| Feb 24, 2015 | Signed as free agent | Cody Ransom | — | Arizona Diamondbacks | Arizona Diamondbacks signed free agent 3B Cody Ransom to a minor league contract. |
| Feb 24, 2015 | Signed as free agent | Ryan Perry | — | Detroit Tigers | Detroit Tigers signed free agent RHP Ryan Perry to a minor league contract. |
| Feb 24, 2015 | Signed as free agent | Jason Berken | — | Philadelphia Phillies | Philadelphia Phillies signed free agent RHP Jason Berken to a minor league contract. |
| Feb 23, 2015 | Signed as free agent | Dustin McGowan | — | Los Angeles Dodgers | Los Angeles Dodgers signed free agent RHP Dustin McGowan. |
| Feb 23, 2015 | Signed as free agent | Elliot Johnson | — | Texas Rangers | Texas Rangers signed free agent 2B Elliot Johnson to a minor league contract and invited him to spring training. |
| Feb 23, 2015 | Signed as free agent | Randy Vasquez | — | Houston Astros | Houston Astros signed free agent C Randy Vasquez to a minor league contract. |
| Feb 23, 2015 | Signed as free agent | Elby Cooper | — | San Diego Padres | San Diego Padres signed free agent LHP Elby Cooper to a minor league contract. |
| Feb 23, 2015 | Signed as free agent | Angel Santos | — | San Diego Padres | San Diego Padres signed free agent OF Angel Santos to a minor league contract. |
| Feb 23, 2015 | Signed as free agent | Abdallah Aris | — | Philadelphia Phillies | Philadelphia Phillies signed free agent RHP Abdallah Aris to a minor league contract. |
| Feb 23, 2015 | Signed as free agent | Carlos Taveras | — | San Diego Padres | San Diego Padres signed free agent OF Carlos Taveras to a minor league contract. |
| Feb 23, 2015 | Signed as free agent | Reynier Montero | — | Tampa Bay Rays | Tampa Bay Rays signed free agent RHP Reynier Montero to a minor league contract. |
| Feb 23, 2015 | Signed as free agent | Cory Harrilchak | — | Miami Marlins | Miami Marlins signed free agent OF Cory Harrilchak to a minor league contract. |
| Feb 23, 2015 | Signed as free agent | Mike McCoy | — | San Diego Padres | San Diego Padres signed free agent OF Mike McCoy to a minor league contract. |
| Feb 23, 2015 | Signed as free agent | Robinzon Díaz | — | Milwaukee Brewers | Milwaukee Brewers signed free agent C Robinzon Diaz to a minor league contract. |
| Feb 23, 2015 | Signed as free agent | Ronny Cedeno | — | San Francisco Giants | San Francisco Giants signed free agent 2B Ronny Cedeno to a minor league contract. |
| Feb 23, 2015 | Signed as free agent | Jeremy Accardo | — | Arizona Diamondbacks | Arizona Diamondbacks signed free agent RHP Jeremy Accardo to a minor league contract. |
| Feb 23, 2015 | Signed as free agent | Trevor Reckling | — | Arizona Diamondbacks | Arizona Diamondbacks signed free agent LHP Trevor Reckling to a minor league contract. |
| Feb 23, 2015 | Signed as free agent | Drew Rossi | — | Pittsburgh Pirates | Pittsburgh Pirates signed free agent 2B Drew Rossi to a minor league contract. |
| Feb 23, 2015 | Signed as free agent | Shane Kennedy | — | Chicago Cubs | Chicago Cubs signed free agent 2B Shane Kennedy to a minor league contract. |
| Feb 23, 2015 | Signed as free agent | Christophers Santana | — | Cleveland Guardians | Cleveland Indians signed free agent RHP Christophers Santana to a minor league contract. |
| Feb 23, 2015 | Signed as free agent | Yeltsin Encarnacion | — | Minnesota Twins | Minnesota Twins signed free agent 3B Yeltsin Encarnacion to a minor league contract. |
| Feb 22, 2015 | Signed as free agent | Ross Seaton | — | Detroit Tigers | Detroit Tigers signed free agent RHP Ross Seaton to a minor league contract. |
| Feb 21, 2015 | Signed as free agent | Chris Dickerson | — | Toronto Blue Jays | Toronto Blue Jays signed free agent LF Chris Dickerson to a minor league contract and invited him to spring training. |
| Feb 21, 2015 | Signed as free agent | Brandon Beachy | — | Los Angeles Dodgers | Los Angeles Dodgers signed free agent RHP Brandon Beachy. |
| Feb 21, 2015 | Released | Ali Solis | — | Los Angeles Dodgers | Los Angeles Dodgers released C Ali Solis. |
| Feb 21, 2015 | Signed as free agent | Travis Witherspoon | — | Los Angeles Dodgers | Los Angeles Dodgers signed free agent CF Travis Witherspoon to a minor league contract. |
| Feb 20, 2015 | Signed as free agent | Joe Saunders | — | Seattle Mariners | Seattle Mariners signed free agent LHP Joe Saunders to a minor league contract and invited him to spring training. |
| Feb 20, 2015 | Trade | Steven Brault | Baltimore Orioles | Pittsburgh Pirates | Baltimore Orioles traded LHP Steven Brault to Pittsburgh Pirates. The PTBN in the January 27 trade |
| Feb 20, 2015 | Signed as free agent | Bobby Borchering | — | Detroit Tigers | Detroit Tigers signed free agent 1B Bobby Borchering to a minor league contract. |
| Feb 20, 2015 | Signed as free agent | Tony Davis | — | Texas Rangers | Texas Rangers signed free agent LHP Tony Davis to a minor league contract. |
| Feb 19, 2015 | Signed as free agent | David Aardsma | — | Los Angeles Dodgers | Los Angeles Dodgers signed free agent RHP David Aardsma to a minor league contract and invited him to spring training. |
| Feb 19, 2015 | Signed as free agent | Franklin Morales | — | Kansas City Royals | Kansas City Royals signed free agent LHP Franklin Morales to a minor league contract and invited him to spring training. |
| Feb 19, 2015 | Signed as free agent | Josh Bell | — | San Diego Padres | San Diego Padres signed free agent 3B Josh Bell to a minor league contract. |
| Feb 19, 2015 | Signed as free agent | Wally Vrolijk | — | Los Angeles Dodgers | Los Angeles Dodgers signed free agent RHP Wally Vrolijk to a minor league contract. |
| Feb 18, 2015 | Signed as free agent | Bruce Chen | — | Cleveland Guardians | Cleveland Indians signed free agent LHP Bruce Chen to a minor league contract and invited him to spring training. |
| Feb 18, 2015 | Signed as free agent | Daniel Cabrera | — | Cincinnati Reds | Cincinnati Reds signed free agent RHP Daniel Cabrera to a minor league contract. |
| Feb 18, 2015 | Signed as free agent | Dustin Richardson | — | Los Angeles Dodgers | Los Angeles Dodgers signed free agent LHP Dustin Richardson to a minor league contract. |
| Feb 18, 2015 | Signed as free agent | Donnie Murphy | — | Milwaukee Brewers | Milwaukee Brewers signed free agent 2B Donnie Murphy to a minor league contract. |
| Feb 18, 2015 | Signed as free agent | Skyler Stromsmoe | — | San Francisco Giants | San Francisco Giants signed free agent 2B Skyler Stromsmoe to a minor league contract. |
| Feb 18, 2015 | Signed as free agent | Wilmer Torres | — | San Diego Padres | San Diego Padres signed free agent RHP Wilmer Torres to a minor league contract. |
| Feb 18, 2015 | Signed as free agent | Juan Grullon | — | Texas Rangers | Texas Rangers signed free agent LHP Juan Grullon to a minor league contract. |
| Feb 17, 2015 | Signed as free agent | Matt Albers | — | Chicago White Sox | Chicago White Sox signed free agent RHP Matt Albers to a minor league contract and invited him to spring training. |
| Feb 17, 2015 | Signed as free agent | Reed Johnson | — | Miami Marlins | Miami Marlins signed free agent LF Reed Johnson to a minor league contract and invited him to spring training. |
| Feb 17, 2015 | Signed as free agent | Matt Lindstrom | — | Los Angeles Angels | Los Angeles Angels signed free agent RHP Matt Lindstrom to a minor league contract and invited him to spring training. |
| Feb 17, 2015 | Signed as free agent | Barry Zito | — | Athletics | Oakland Athletics signed free agent LHP Barry Zito to a minor league contract and invited him to spring training. |
| Feb 17, 2015 | Signed as free agent | Jayson Nix | — | Baltimore Orioles | Baltimore Orioles signed free agent 2B Jayson Nix to a minor league contract and invited him to spring training. |
| Feb 17, 2015 | Signed as free agent | Casper Wells | — | Detroit Tigers | Detroit Tigers signed free agent LF Casper Wells to a minor league contract. |
| Feb 17, 2015 | Signed as free agent | Robert Coello | — | San Francisco Giants | San Francisco Giants signed free agent RHP Robert Coello to a minor league contract. |
| Feb 16, 2015 | Signed as free agent | Adrián Martinez | — | San Diego Padres | San Diego Padres signed free agent RHP Adrian Martinez to a minor league contract. |
| Feb 16, 2015 | Signed as free agent | Jared Burton | — | New York Yankees | New York Yankees signed free agent RHP Jared Burton to a minor league contract and invited him to spring training. |
| Feb 16, 2015 | Signed as free agent | Ryan Dent | — | Chicago Cubs | Chicago Cubs signed free agent 2B Ryan Dent to a minor league contract. |
| Feb 16, 2015 | Signed as free agent | Pedro Echemendia | — | St. Louis Cardinals | St. Louis Cardinals signed free agent RHP Pedro Echemendia to a minor league contract. |
| Feb 16, 2015 | Signed as free agent | Melvin Adón | — | San Francisco Giants | San Francisco Giants signed free agent RHP Melvin Adon to a minor league contract. |
| Feb 16, 2015 | Signed as free agent | Rougned Jose Odor | — | Texas Rangers | Texas Rangers signed free agent 2B Rougned Odor to a minor league contract. |
| Feb 16, 2015 | Signed as free agent | Wily Lacle | — | Texas Rangers | Texas Rangers signed free agent RHP Wily Lacle to a minor league contract. |
| Feb 14, 2015 | Signed as free agent | Jamey Wright | — | Texas Rangers | Texas Rangers signed free agent RHP Jamey Wright to a minor league contract and invited him to spring training. |
| Feb 14, 2015 | Signed as free agent | Ralph Henriquez | — | Los Angeles Dodgers | Los Angeles Dodgers signed free agent C Ralph Henriquez to a minor league contract. |
| Feb 13, 2015 | Signed as free agent | Joe Blanton | — | Kansas City Royals | Kansas City Royals signed free agent RHP Joe Blanton to a minor league contract and invited him to spring training. |
| Feb 13, 2015 | Signed as free agent | Joe Thatcher | — | Houston Astros | Houston Astros signed free agent LHP Joe Thatcher to a minor league contract and invited him to spring training. |
| Feb 13, 2015 | Signed as free agent | Eric Young Jr. | — | Atlanta Braves | Atlanta Braves signed free agent LF Eric Young Jr. to a minor league contract and invited him to spring training. |
| Feb 13, 2015 | Signed as free agent | Rickie Weeks Jr. | — | Seattle Mariners | Seattle Mariners signed free agent LF Rickie Weeks. |
| Feb 13, 2015 | Signed as free agent | David Herndon | — | Milwaukee Brewers | Milwaukee Brewers signed free agent RHP David Herndon to a minor league contract. |
| Feb 13, 2015 | Signed as free agent | Randy Ventura | — | Atlanta Braves | Atlanta Braves signed free agent OF Randy Ventura to a minor league contract. |
| Feb 13, 2015 | Signed as free agent | Williams Mendoza | — | Philadelphia Phillies | Philadelphia Phillies signed free agent RHP Williams Mendoza to a minor league contract. |
| Feb 13, 2015 | Signed as free agent | Oscar Tejeda | — | Boston Red Sox | Boston Red Sox signed free agent 3B Oscar Tejeda to a minor league contract. |
| Feb 12, 2015 | Signed as free agent | Roberto Hernandez | — | Houston Astros | Houston Astros signed free agent RHP Roberto Hernandez to a minor league contract and invited him to spring training. |
| Feb 12, 2015 | Signed as free agent | Luis Guzman | — | San Diego Padres | San Diego Padres signed free agent IF Luis Guzman to a minor league contract. |
| Feb 12, 2015 | Signed as free agent | Jose Lezama | — | San Diego Padres | San Diego Padres signed free agent C Jose Lezama to a minor league contract. |
| Feb 12, 2015 | Signed as free agent | Dari Lopez | — | San Diego Padres | San Diego Padres signed free agent RHP Dari Lopez to a minor league contract. |
| Feb 12, 2015 | Signed as free agent | Ariel Ortega | — | San Diego Padres | San Diego Padres signed free agent SS Ariel Ortega to a minor league contract. |
| Feb 12, 2015 | Signed as free agent | Luis Perez | — | San Diego Padres | San Diego Padres signed free agent RHP Luis Perez to a minor league contract. |
| Feb 12, 2015 | Signed as free agent | Dawill Aponte | — | Boston Red Sox | Boston Red Sox signed free agent OF Dawill Aponte to a minor league contract. |
| Feb 12, 2015 | Signed as free agent | Ramfis Berroa | — | Boston Red Sox | Boston Red Sox signed free agent OF Ramfis Berroa to a minor league contract. |
| Feb 12, 2015 | Signed as free agent | Lorenzo Cedrola | — | Boston Red Sox | Boston Red Sox signed free agent OF Lorenzo Cedrola to a minor league contract. |
| Feb 12, 2015 | Signed as free agent | Stanley Espinal | — | Boston Red Sox | Boston Red Sox signed free agent 3B Stanley Espinal to a minor league contract. |
| Feb 12, 2015 | Signed as free agent | Melbin Berroa | — | Cincinnati Reds | Cincinnati Reds signed free agent OF Melbin Berroa to a minor league contract. |
| Feb 12, 2015 | Signed as free agent | Jhon De Jesus | — | Cincinnati Reds | Cincinnati Reds signed free agent RHP Jhon De Jesus to a minor league contract. |
| Feb 12, 2015 | Signed as free agent | Ranfi Gomez | — | Cincinnati Reds | Cincinnati Reds signed free agent RHP Ranfi Gomez to a minor league contract. |
| Feb 12, 2015 | Signed as free agent | Alejandro Paulino | — | Cincinnati Reds | Cincinnati Reds signed free agent SS Alejandro Paulino to a minor league contract. |
| Feb 12, 2015 | Signed as free agent | Josue Caba | — | Cincinnati Reds | Cincinnati Reds signed free agent RHP Josue Caba to a minor league contract. |
| Feb 12, 2015 | Signed as free agent | Edward Escoboza | — | Cincinnati Reds | Cincinnati Reds signed free agent RHP Edward Escoboza to a minor league contract. |
| Feb 12, 2015 | Signed as free agent | Julio Guante | — | Detroit Tigers | Detroit Tigers signed free agent RHP Julio Guante to a minor league contract. |
| Feb 12, 2015 | Signed as free agent | Noel Ovalles | — | Detroit Tigers | Detroit Tigers signed free agent RHP Noel Ovalles to a minor league contract. |
| Feb 12, 2015 | Signed as free agent | Allan Santos | — | Detroit Tigers | Detroit Tigers signed free agent OF Allan Santos to a minor league contract. |
| Feb 12, 2015 | Signed as free agent | Fredderi Soto | — | Minnesota Twins | Minnesota Twins signed free agent LHP Fredderi Soto to a minor league contract. |
| Feb 12, 2015 | Signed as free agent | Brallan Medina | — | New York Yankees | New York Yankees signed free agent 2B Brallan Medina to a minor league contract. |
| Feb 12, 2015 | Signed as free agent | Felix Nieto | — | New York Yankees | New York Yankees signed free agent C Felix Nieto to a minor league contract. |
| Feb 12, 2015 | Signed as free agent | Freicer Perez | — | New York Yankees | New York Yankees signed free agent RHP Freicer Perez to a minor league contract. |
| Feb 12, 2015 | Signed as free agent | Arikson Ramirez | — | New York Yankees | New York Yankees signed free agent RHP Arikson Ramirez to a minor league contract. |
| Feb 12, 2015 | Signed as free agent | Alexander Rosario | — | New York Yankees | New York Yankees signed free agent RHP Alexander Rosario to a minor league contract. |
| Feb 12, 2015 | Signed as free agent | Edintson Naranjo | — | New York Yankees | New York Yankees signed free agent LHP Edintson Naranjo to a minor league contract. |
| Feb 12, 2015 | Signed as free agent | Willy Cruz | — | New York Yankees | New York Yankees signed free agent LHP Willy Cruz to a minor league contract. |
| Feb 12, 2015 | Signed as free agent | Carlos Gallardo | — | New York Yankees | New York Yankees signed free agent C Carlos Gallardo to a minor league contract. |
| Feb 12, 2015 | Signed as free agent | Eduardo Peluso | — | New York Yankees | New York Yankees signed free agent LHP Eduardo Peluso to a minor league contract. |
| Feb 12, 2015 | Signed as free agent | Antony Morillo | — | Baltimore Orioles | Baltimore Orioles signed free agent 3B Antony Morillo to a minor league contract. |
| Feb 12, 2015 | Signed as free agent | Vince Michael Deyzel | — | Pittsburgh Pirates | Pittsburgh Pirates signed free agent RHP Vince Deyzel to a minor league contract. |
| Feb 12, 2015 | Signed as free agent | Bryan Molina | — | Chicago Cubs | Chicago Cubs signed free agent RHP Bryan Molina to a minor league contract. |
| Feb 12, 2015 | Signed as free agent | Freddy Tineo | — | Chicago Cubs | Chicago Cubs signed free agent RHP Freddy Tineo to a minor league contract. |
| Feb 12, 2015 | Signed as free agent | Jhonny Bethencourt | — | Chicago Cubs | Chicago Cubs signed free agent IF Jhonny Bethencourt to a minor league contract. |
| Feb 12, 2015 | Signed as free agent | Jose Rojas | — | Chicago Cubs | Chicago Cubs signed free agent OF Jose Rojas to a minor league contract. |
| Feb 12, 2015 | Signed as free agent | Raul Rivas | — | Philadelphia Phillies | Philadelphia Phillies signed free agent 2B Raul Rivas to a minor league contract. |
| Feb 12, 2015 | Signed as free agent | Mauricio Llovera | — | Philadelphia Phillies | Philadelphia Phillies signed free agent RHP Mauricio Llovera to a minor league contract. |
| Feb 12, 2015 | Signed as free agent | Eduardo Moredo | — | Tampa Bay Rays | Tampa Bay Rays signed free agent SS Eduardo Moredo to a minor league contract. |
| Feb 12, 2015 | Signed as free agent | Rafael Perez | — | Seattle Mariners | Seattle Mariners signed free agent LHP Rafael Perez to a minor league contract and invited him to spring training. |
| Feb 12, 2015 | Signed as free agent | Todd Coffey | — | Atlanta Braves | Atlanta Braves signed free agent RHP Todd Coffey to a minor league contract. |
| Feb 12, 2015 | Signed as free agent | Deryk Hooker | — | Boston Red Sox | Boston Red Sox signed free agent RHP Deryk Hooker to a minor league contract. |
| Feb 12, 2015 | Signed as free agent | Reinaldo Ugueto | — | Boston Red Sox | Boston Red Sox signed free agent IF Reinaldo Ugueto to a minor league contract. |
| Feb 12, 2015 | Signed as free agent | Luis Gil | — | Minnesota Twins | Minnesota Twins signed free agent RHP Luis Gil to a minor league contract. |
| Feb 11, 2015 | Signed as free agent | Chris Dominguez | — | Cincinnati Reds | Cincinnati Reds signed free agent 3B Chris Dominguez to a minor league contract and invited him to spring training. |
| Feb 11, 2015 | Signed as free agent | James Shields | — | San Diego Padres | San Diego Padres signed free agent RHP James Shields. |
| Feb 11, 2015 | Signed as free agent | Edwar Ramirez | — | St. Louis Cardinals | St. Louis Cardinals signed free agent RHP Edwar Ramirez to a minor league contract. |
| Feb 11, 2015 | 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. |
| Feb 11, 2015 | Signed as free agent | Sanel Rosendo | — | St. Louis Cardinals | St. Louis Cardinals signed free agent OF Sanel Rosendo to a minor league contract. |
| Feb 11, 2015 | Signed as free agent | Anyel Beato | — | Arizona Diamondbacks | Arizona Diamondbacks signed free agent RHP Anyel Beato to a minor league contract. |
| Feb 11, 2015 | Signed as free agent | Jose Benjamin | — | Arizona Diamondbacks | Arizona Diamondbacks signed free agent SS Jose Benjamin to a minor league contract. |
| Feb 11, 2015 | Signed as free agent | Jhoan Duran | — | Arizona Diamondbacks | Arizona Diamondbacks signed free agent RHP Jhoan Duran to a minor league contract. |
| Feb 11, 2015 | Signed as free agent | Oscar Moreno | — | Arizona Diamondbacks | Arizona Diamondbacks signed free agent OF Oscar Moreno to a minor league contract. |
| Feb 11, 2015 | Signed as free agent | Felix Lacen | — | Los Angeles Dodgers | Los Angeles Dodgers signed free agent RHP Felix Lacen to a minor league contract. |
| Feb 11, 2015 | Signed as free agent | Jose Santos | — | Los Angeles Dodgers | Los Angeles Dodgers signed free agent RHP Jose Santos to a minor league contract. |
| Feb 11, 2015 | Signed as free agent | Gregorio Sequera | — | Los Angeles Dodgers | Los Angeles Dodgers signed free agent RHP Gregorio Sequera to a minor league contract. |
| Feb 11, 2015 | Signed as free agent | Alejandro De La Rosa | — | San Francisco Giants | San Francisco Giants signed free agent RHP Alejandro De La Rosa to a minor league contract. |
| Feb 11, 2015 | Signed as free agent | Luis Hernandez | — | Baltimore Orioles | Baltimore Orioles signed free agent 3B Luis Hernandez to a minor league contract. |
| Feb 11, 2015 | Signed as free agent | Elier Leyva | — | Baltimore Orioles | Baltimore Orioles signed free agent OF Elier Leyva to a minor league contract. |
| Feb 11, 2015 | Signed as free agent | Emmanuel Clase | — | San Diego Padres | San Diego Padres signed free agent RHP Emmanuel Clase to a minor league contract. |
| Feb 11, 2015 | Signed as free agent | Josh Roenicke | — | Milwaukee Brewers | Milwaukee Brewers signed free agent RHP Josh Roenicke to a minor league contract. |
| Feb 11, 2015 | Signed as free agent | Parker Frazier | — | San Diego Padres | San Diego Padres signed free agent RHP Parker Frazier to a minor league contract. |
| Feb 11, 2015 | Signed as free agent | Jess Todd | — | Boston Red Sox | Boston Red Sox signed free agent RHP Jess Todd to a minor league contract. |
| Feb 11, 2015 | Signed as free agent | Nicky Delmonico | — | Chicago White Sox | Chicago White Sox signed free agent 3B Nick Delmonico to a minor league contract. |
| Feb 11, 2015 | Signed as free agent | Jervenski Johnson | — | Miami Marlins | Miami Marlins signed free agent CF Jervenski Johnson to a minor league contract. |
| Feb 11, 2015 | Signed as free agent | Branch Kloess | — | Athletics | Oakland Athletics signed free agent RHP Branch Kloess to a minor league contract. |
| Feb 11, 2015 | Signed as free agent | Kennard Jones | — | San Diego Padres | San Diego Padres signed free agent CF Kennard Jones to a minor league contract. |
| Feb 11, 2015 | Signed as free agent | Fernando Cabrera | — | San Francisco Giants | San Francisco Giants signed free agent RHP Fernando Cabrera to a minor league contract. |
| Feb 11, 2015 | Signed as free agent | Ali Pantoja | — | Atlanta Braves | Atlanta Braves signed free agent RHP Ali Pantoja to a minor league contract. |
| Feb 11, 2015 | Signed as free agent | Maikel Sepulveda | — | Houston Astros | Houston Astros signed free agent LHP Maikel Sepulveda to a minor league contract. |
| Feb 11, 2015 | Signed as free agent | Bryan Herrera | — | Tampa Bay Rays | Tampa Bay Rays signed free agent RHP Bryan Herrera to a minor league contract. |
| Feb 11, 2015 | Signed as free agent | Yerson Santana | — | Tampa Bay Rays | Tampa Bay Rays signed free agent CF Yerson Santana to a minor league contract. |
| Feb 10, 2015 | Signed as free agent | Mark Hendrickson | — | Baltimore Orioles | Baltimore Orioles signed free agent LHP Mark Hendrickson to a minor league contract and invited him to spring training. |
| Feb 10, 2015 | Signed as free agent | Nolan Reimold | — | Baltimore Orioles | Baltimore Orioles signed free agent RF Nolan Reimold to a minor league contract and invited him to spring training. |
| Feb 10, 2015 | Signed as free agent | Luidin Toribio | — | Houston Astros | Houston Astros signed free agent RHP Luidin Toribio to a minor league contract. |
| Feb 10, 2015 | Signed as free agent | Anthony Rodriguez | — | Houston Astros | Houston Astros signed free agent 3B Anthony Rodriguez to a minor league contract. |
| Feb 10, 2015 | Signed as free agent | Oscar Abreu | — | Arizona Diamondbacks | Arizona Diamondbacks signed free agent LHP Oscar Abreu to a minor league contract. |
| Feb 10, 2015 | Signed as free agent | Frank Polanco | — | Arizona Diamondbacks | Arizona Diamondbacks signed free agent OF Frank Polanco to a minor league contract. |
| Feb 10, 2015 | Signed as free agent | Diony Rodriguez | — | Arizona Diamondbacks | Arizona Diamondbacks signed free agent RHP Diony Rodriguez to a minor league contract. |
| Feb 10, 2015 | Signed as free agent | Cody Daily | — | Chicago White Sox | Chicago White Sox signed free agent 1B Cody Daily to a minor league contract. |
| Feb 10, 2015 | Signed as free agent | Derek Gordon | — | Kansas City Royals | Kansas City Royals signed free agent RHP Derek Gordon to a minor league contract. |
| Feb 10, 2015 | Signed as free agent | Oliver Ortega | — | Los Angeles Angels | Los Angeles Angels signed free agent RHP Oliver Ortega to a minor league contract. |
| Feb 10, 2015 | Signed as free agent | Luis Castro | — | Houston Astros | Houston Astros signed free agent RHP Luis Castro to a minor league contract. |
| Feb 10, 2015 | Signed as free agent | Jose Miguel Hernandez | — | Houston Astros | Houston Astros signed free agent OF Jose Hernandez to a minor league contract. |
| Feb 10, 2015 | Signed as free agent | Nicolas Miranda | — | Houston Astros | Houston Astros signed free agent 2B Nicolas Miranda to a minor league contract. |
| Feb 10, 2015 | Signed as free agent | Omar Camilo | — | Atlanta Braves | Atlanta Braves signed free agent LHP Omar Camilo to a minor league contract. |
| Feb 10, 2015 | Signed as free agent | William Contreras | — | Atlanta Braves | Atlanta Braves signed free agent C William Contreras to a minor league contract. |
| Feb 10, 2015 | Signed as free agent | Carlos Lopez | — | Atlanta Braves | Atlanta Braves signed free agent RHP Carlos Lopez to a minor league contract. |
| Feb 10, 2015 | Signed as free agent | Luis Mejia | — | Atlanta Braves | Atlanta Braves signed free agent SS Luis Mejia to a minor league contract. |
| Feb 10, 2015 | Signed as free agent | Jonathan Mota | — | Chicago Cubs | Chicago Cubs signed free agent OF Jonathan Mota to a minor league contract. |
| Feb 10, 2015 | Signed as free agent | Jose Veras | — | Atlanta Braves | Atlanta Braves signed free agent RHP Jose Veras to a minor league contract and invited him to spring training. |
| Feb 10, 2015 | Signed as free agent | Jose Mata | — | Cincinnati Reds | Cincinnati Reds signed free agent RHP Jose Mata to a minor league contract. |
| Feb 10, 2015 | Signed as free agent | Geremi Azcarate | — | Cincinnati Reds | Cincinnati Reds signed free agent LHP Geremi Azcarate to a minor league contract. |
| Feb 10, 2015 | Signed as free agent | Raul Juarez | — | Cincinnati Reds | Cincinnati Reds signed free agent IF Raul Juarez to a minor league contract. |
| Feb 10, 2015 | Signed as free agent | Jose Tello | — | Cincinnati Reds | Cincinnati Reds signed free agent C Jose Tello to a minor league contract. |
| Feb 9, 2015 | Signed as free agent | Kyle Davies | — | New York Yankees | New York Yankees signed free agent RHP Kyle Davies to a minor league contract and invited him to spring training. |
| Feb 9, 2015 | Signed as free agent | Edinson Rincon | — | Cincinnati Reds | Cincinnati Reds signed free agent LF Edinson Rincon to a minor league contract. |
| Feb 9, 2015 | Signed as free agent | Matt Capps | — | Atlanta Braves | Atlanta Braves signed free agent RHP Matt Capps to a minor league contract and invited him to spring training. |
| Feb 9, 2015 | Signed as free agent | Jake Elmore | — | Tampa Bay Rays | Tampa Bay Rays signed free agent SS Jake Elmore to a minor league contract and invited him to spring training. |
| Feb 9, 2015 | Signed as free agent | Sean O'Connell | — | Chicago White Sox | Chicago White Sox signed free agent C Sean O'Connell to a minor league contract. |
| Feb 9, 2015 | Signed as free agent | Joel Romero | — | New York Mets | New York Mets signed free agent RHP Joel Romero to a minor league contract. |
| Feb 9, 2015 | Signed as free agent | Fernando Caro | — | Chicago White Sox | Chicago White Sox signed free agent RHP Fernando Caro to a minor league contract. |
| Feb 9, 2015 | Signed as free agent | Josue Gerardo | — | Chicago White Sox | Chicago White Sox signed free agent RHP Josue Gerardo to a minor league contract. |
| Feb 7, 2015 | Signed as free agent | Burke Badenhop | — | Cincinnati Reds | Cincinnati Reds signed free agent RHP Burke Badenhop. |
| Feb 7, 2015 | Signed as free agent | Kevin Gregg | — | Cincinnati Reds | Cincinnati Reds signed free agent RHP Kevin Gregg to a minor league contract and invited him to spring training. |
| Feb 6, 2015 | Trade | Edward Salcedo | Atlanta Braves | Pittsburgh Pirates | Atlanta Braves traded 3B Edward Salcedo to Pittsburgh Pirates for RHP Bryton Trepagnier. |
| Feb 6, 2015 | Signed as free agent | Nate Schierholtz | — | Texas Rangers | Texas Rangers signed free agent RF Nate Schierholtz to a minor league contract and invited him to spring training. |
| Feb 6, 2015 | Signed as free agent | Aaron Muñoz | — | Colorado Rockies | Colorado Rockies signed free agent C Aaron Munoz to a minor league contract. |
| Feb 6, 2015 | Signed as free agent | Jairo Munoz | — | Philadelphia Phillies | Philadelphia Phillies signed free agent RHP Jairo Munoz to a minor league contract. |
| Feb 6, 2015 | Signed as free agent | Clay Rapada | — | San Francisco Giants | San Francisco Giants signed free agent LHP Clay Rapada to a minor league contract. |
| Feb 6, 2015 | Signed as free agent | Juan Puello | — | Toronto Blue Jays | Toronto Blue Jays signed free agent LF Juan Puello to a minor league contract. |
| Feb 5, 2015 | Signed as free agent | Chris Perez | — | Milwaukee Brewers | Milwaukee Brewers signed free agent RHP Chris Perez to a minor league contract and invited him to spring training. |
| Feb 5, 2015 | Signed as free agent | Jeremy Barfield | — | Colorado Rockies | Colorado Rockies signed free agent RF Jeremy Barfield to a minor league contract. |
| Feb 5, 2015 | Signed as free agent | Mike Bianucci | — | Kansas City Royals | Kansas City Royals signed free agent RF Mike Bianucci to a minor league contract. |
| Feb 5, 2015 | Signed as free agent | Ramon Troncoso | — | Los Angeles Dodgers | Los Angeles Dodgers signed free agent RHP Ramon Troncoso to a minor league contract. |
| Feb 5, 2015 | Signed as free agent | Javier Garcia | — | Miami Marlins | Miami Marlins signed free agent RHP Javier Garcia to a minor league contract. |
| Feb 5, 2015 | Signed as free agent | Zack Segovia | — | San Diego Padres | San Diego Padres signed free agent RHP Zack Segovia to a minor league contract. |
| Feb 5, 2015 | Signed as free agent | Jhon Meison Herrera | — | Philadelphia Phillies | Philadelphia Phillies signed free agent 2B Jhon Meison Herrera to a minor league contract. |
| Feb 4, 2015 | Signed as free agent | Kyle Kendrick | — | Colorado Rockies | Colorado Rockies signed free agent RHP Kyle Kendrick. |
| Feb 4, 2015 | Signed as free agent | Carlos Villanueva | — | St. Louis Cardinals | St. Louis Cardinals signed free agent RHP Carlos Villanueva to a minor league contract and invited him to spring training. |
| Feb 4, 2015 | Trade | Arquimedes Caminero | Miami Marlins | Pittsburgh Pirates | Miami Marlins traded RHP Arquimedes Caminero to Pittsburgh Pirates for cash. |
| Feb 4, 2015 | Trade | Yency Almonte | Los Angeles Angels | Chicago White Sox | Los Angeles Angels traded RHP Yency Almonte to Chicago White Sox. |
| Feb 4, 2015 | Released | Dayan Viciedo | — | Chicago White Sox | Chicago White Sox released RF Dayan Viciedo. |
| Feb 4, 2015 | Signed as free agent | Ryan Ludwick | — | Texas Rangers | Texas Rangers signed free agent LF Ryan Ludwick to a minor league contract and invited him to spring training. |
| Feb 4, 2015 | Released | Chris Dominguez | — | San Francisco Giants | San Francisco Giants released RF Chris Dominguez. |
| Feb 4, 2015 | Trade | Tyler Ybarra | Toronto Blue Jays | Colorado Rockies | Colorado Rockies traded LHP Jayson Aquino to Toronto Blue Jays for LHP Tyler Ybarra. |
| Feb 4, 2015 | Signed as free agent | Shane Halley | — | Colorado Rockies | Colorado Rockies signed free agent RHP Shane Halley to a minor league contract. |
| Feb 4, 2015 | Signed as free agent | Fauri Cetin | — | Miami Marlins | Miami Marlins signed free agent LHP Fauri Cetin to a minor league contract. |
| Feb 4, 2015 | Signed as free agent | Luke Westphal | — | Minnesota Twins | Minnesota Twins signed free agent LHP Luke Westphal to a minor league contract. |
| Feb 4, 2015 | Signed as free agent | Tim Alderson | — | Washington Nationals | Washington Nationals signed free agent RHP Tim Alderson to a minor league contract. |
| Feb 3, 2015 | Signed as free agent | Eric Stults | — | Atlanta Braves | Atlanta Braves signed free agent LHP Eric Stults to a minor league contract and invited him to spring training. |
| Feb 3, 2015 | Trade | Mike Ohlman | Baltimore Orioles | St. Louis Cardinals | Baltimore Orioles traded C Mike Ohlman to St. Louis Cardinals for cash. |
| Feb 3, 2015 | Trade | Steve Lombardozzi Jr. | Baltimore Orioles | Pittsburgh Pirates | Baltimore Orioles traded Steve Lombardozzi to Pittsburgh Pirates for cash. |
| Feb 3, 2015 | Signed as free agent | Jeff Malm | — | Los Angeles Angels | Los Angeles Angels signed free agent LHP Jeff Malm to a minor league contract. |
| Feb 3, 2015 | Signed as free agent | Andrew Allen | — | Chicago White Sox | Chicago White Sox signed free agent 1B Andrew Allen to a minor league contract. |
| Feb 2, 2015 | Signed as free agent | Casey Janssen | — | Washington Nationals | Washington Nationals signed free agent RHP Casey Janssen. |
| Feb 2, 2015 | Signed as free agent | Ronald Belisario | — | Tampa Bay Rays | Tampa Bay Rays signed free agent RHP Ronald Belisario to a minor league contract and invited him to spring training. |
| Feb 2, 2015 | Signed as free agent | Alexi Casilla | — | Tampa Bay Rays | Tampa Bay Rays signed free agent 2B Alexi Casilla to a minor league contract and invited him to spring training. |
| Feb 2, 2015 | Signed as free agent | Gerald Laird | — | Arizona Diamondbacks | Arizona Diamondbacks signed free agent C Gerald Laird to a minor league contract and invited him to spring training. |
| Feb 2, 2015 | Signed as free agent | Julio Borbon | — | Baltimore Orioles | Baltimore Orioles signed free agent CF Julio Borbon to a minor league contract. |
| Feb 2, 2015 | Signed as free agent | Jordan Yallen | — | Chicago White Sox | Chicago White Sox signed free agent 2B Jordan Yallen to a minor league contract. |
| Feb 2, 2015 | Signed as free agent | Christian Marrero | — | Chicago White Sox | Chicago White Sox signed free agent RF Christian Marrero to a minor league contract. |
| Feb 2, 2015 | Signed as free agent | Beau Wallace | — | Milwaukee Brewers | Milwaukee Brewers signed free agent C Beau Wallace to a minor league contract. |
| Feb 2, 2015 | Signed as free agent | Dwight Childs | — | Pittsburgh Pirates | Pittsburgh Pirates signed free agent C Dwight Childs to a minor league contract. |
| Feb 2, 2015 | Signed as free agent | Trey Lambert | — | Texas Rangers | Texas Rangers signed free agent RHP Trey Lambert to a minor league contract. |
| Feb 1, 2015 | Signed as free agent | John Stephens | — | Toronto Blue Jays | Toronto Blue Jays signed free agent OF John Stephens to a minor league contract. |
| Feb 1, 2015 | Signed as free agent | Josh Vitters | — | Colorado Rockies | Colorado Rockies signed free agent LF Josh Vitters to a minor league contract. |
| Feb 1, 2015 | Signed as free agent | Anthony Marzi | — | New York Yankees | New York Yankees signed free agent LHP Anthony Marzi to a minor league contract. |
| Jan 31, 2015 | Signed as free agent | Wil Nieves | — | San Diego Padres | San Diego Padres signed free agent C Wil Nieves to a minor league contract and invited him to spring training. |
| Jan 31, 2015 | Signed as free agent | Kevin Pucetas | — | San Francisco Giants | San Francisco Giants signed free agent RHP Kevin Pucetas to a minor league contract. |
| Jan 30, 2015 | Signed as free agent | Neal Cotts | — | Milwaukee Brewers | Milwaukee Brewers signed free agent LHP Neal Cotts. |
| Jan 30, 2015 | Signed as free agent | Ramon Santiago | — | Toronto Blue Jays | Toronto Blue Jays signed free agent 2B Ramon Santiago to a minor league contract and invited him to spring training. |
| Jan 30, 2015 | Signed as free agent | Josh Wall | — | Pittsburgh Pirates | Pittsburgh Pirates signed free agent RHP Josh Wall to a minor league contract and invited him to spring training. |
| Jan 30, 2015 | Signed as free agent | Wilkin Castillo | — | Pittsburgh Pirates | Pittsburgh Pirates signed free agent C Wilkin Castillo to a minor league contract and invited him to spring training. |
| Jan 30, 2015 | Trade | David Hale | Atlanta Braves | Colorado Rockies | Atlanta Braves traded RHP David Hale and RHP Gus Schlosser to Colorado Rockies for C Jose Briceno and C Chris O'Dowd. |
| Jan 30, 2015 | Signed as free agent | Jonny Gomes | — | Atlanta Braves | Atlanta Braves signed free agent LF Jonny Gomes. |
| Jan 30, 2015 | Signed as free agent | Alexi Ogando | — | Boston Red Sox | Boston Red Sox signed free agent RHP Alexi Ogando. |
| Jan 30, 2015 | Signed as free agent | Paul Maholm | — | Cincinnati Reds | Cincinnati Reds signed free agent LHP Paul Maholm to a minor league contract and invited him to spring training. |
| Jan 30, 2015 | Signed as free agent | John Axford | — | Colorado Rockies | Colorado Rockies signed free agent RHP John Axford to a minor league contract and invited him to spring training. |
| Jan 30, 2015 | Signed as free agent | B.J. Rosenberg | — | Los Angeles Dodgers | Los Angeles Dodgers signed free agent RHP B.J. Rosenberg to a minor league contract. |
| Jan 30, 2015 | Signed as free agent | Luis Pérez | — | Toronto Blue Jays | Toronto Blue Jays signed free agent LHP Luis Perez to a minor league contract. |
| Jan 30, 2015 | Signed as free agent | Dallas Tarleton | — | Arizona Diamondbacks | Arizona Diamondbacks signed free agent C Dallas Tarleton to a minor league contract. |
| Jan 30, 2015 | Signed as free agent | Lou Marson | — | Cincinnati Reds | Cincinnati Reds signed free agent C Lou Marson to a minor league contract. |
| Jan 30, 2015 | Signed as free agent | Frank Herrmann | — | Los Angeles Angels | Los Angeles Angels signed free agent RHP Frank Herrmann to a minor league contract and invited him to spring training. |
| Jan 30, 2015 | Signed as free agent | Zach Stewart | — | Los Angeles Angels | Los Angeles Angels signed free agent RHP Zach Stewart to a minor league contract. |
| Jan 30, 2015 | Signed as free agent | Albert Cartwright | — | Los Angeles Dodgers | Los Angeles Dodgers signed free agent 2B Albert Cartwright to a minor league contract. |
| Jan 30, 2015 | Signed as free agent | David Adams | — | Miami Marlins | Miami Marlins signed free agent 2B David Adams to a minor league contract. |
| Jan 30, 2015 | Signed as free agent | Luis Benitez | — | Philadelphia Phillies | Philadelphia Phillies signed free agent RHP Luis Benitez to a minor league contract. |
| Jan 30, 2015 | Signed as free agent | Jose Gonzalez | — | St. Louis Cardinals | St. Louis Cardinals signed free agent C Jose Gonzalez to a minor league contract. |
| Jan 30, 2015 | Signed as free agent | Tiago Da Silva | — | Toronto Blue Jays | Toronto Blue Jays signed free agent RHP Tiago Da Silva to a minor league contract. |
| Jan 29, 2015 | Signed as free agent | John Baker | — | Seattle Mariners | Seattle Mariners signed free agent C John Baker to a minor league contract and invited him to spring training. |
| Jan 29, 2015 | Signed as free agent | Chad Billingsley | — | Philadelphia Phillies | Philadelphia Phillies signed free agent RHP Chad Billingsley. |
| Jan 29, 2015 | Signed as free agent | Hiram Burgos | — | Milwaukee Brewers | Milwaukee Brewers signed free agent RHP Hiram Burgos to a minor league contract. |
| Jan 29, 2015 | Signed as free agent | Brad Duffy | — | Baltimore Orioles | Baltimore Orioles signed free agent RHP Brad Duffy to a minor league contract. |
| Jan 29, 2015 | Signed as free agent | Duane Below | — | New York Mets | New York Mets signed free agent LHP Duane Below to a minor league contract. |
| Jan 29, 2015 | Signed as free agent | Jefri Hernandez | — | Texas Rangers | Texas Rangers signed free agent RHP Jefri Hernandez to a minor league contract. |
| Jan 29, 2015 | Signed as free agent | Juan Arias | — | San Diego Padres | San Diego Padres signed free agent RHP Juan Arias to a minor league contract. |
| Jan 28, 2015 | Signed as free agent | Gordon Beckham | — | Chicago White Sox | Chicago White Sox signed free agent 3B Gordon Beckham. |
| Jan 28, 2015 | Signed as free agent | Dian Toscano | — | Atlanta Braves | Atlanta Braves signed free agent Dian Toscano. |
| Jan 28, 2015 | Released | Marco Scutaro | — | San Francisco Giants | San Francisco Giants released 2B Marco Scutaro. |
| Jan 28, 2015 | Signed as free agent | Chris Volstad | — | Pittsburgh Pirates | Pittsburgh Pirates signed free agent RHP Chris Volstad to a minor league contract. |
| Jan 28, 2015 | Signed as free agent | Aaron Sookee | — | Arizona Diamondbacks | Arizona Diamondbacks signed free agent RHP Aaron Sookee to a minor league contract. |
| Jan 28, 2015 | Signed as free agent | Mike Baxter | — | Chicago Cubs | Chicago Cubs signed free agent RF Mike Baxter to a minor league contract and invited him to spring training. |
| Jan 28, 2015 | Signed as free agent | Chris Bianchi | — | Los Angeles Dodgers | Los Angeles Dodgers signed free agent C Chris Bianchi to a minor league contract. |
| Jan 28, 2015 | Signed as free agent | Austin Delmotte | — | Texas Rangers | Texas Rangers signed free agent RHP Austin Delmotte to a minor league contract. |
| Jan 28, 2015 | Signed as free agent | Chad James | — | Texas Rangers | Texas Rangers signed free agent LHP Chad James to a minor league contract. |
| Jan 28, 2015 | Signed as free agent | Dana Eveland | — | Boston Red Sox | Boston Red Sox signed free agent LHP Dana Eveland to a minor league contract and invited him to spring training. |
| Jan 28, 2015 | Signed as free agent | Tyler Greene | — | Philadelphia Phillies | Philadelphia Phillies signed free agent SS Tyler Greene to a minor league contract. |
| Jan 28, 2015 | Signed as free agent | José A. Martínez | — | Kansas City Royals | Kansas City Royals signed free agent LF Jose Martinez to a minor league contract. |
| Jan 28, 2015 | Signed as free agent | Ben Griset | — | New York Mets | New York Mets signed free agent LHP Ben Griset to a minor league contract. |
| Jan 27, 2015 | Trade | Anthony Ranaudo | Boston Red Sox | Texas Rangers | Boston Red Sox traded RHP Anthony Ranaudo to Texas Rangers for LHP Robbie Ross Jr.. |
| Jan 27, 2015 | Trade | Travis Snider | Pittsburgh Pirates | Baltimore Orioles | Pittsburgh Pirates traded LF Travis Snider to Baltimore Orioles for LHP Stephen Tarpley and Player To Be Named Later. |
| Jan 27, 2015 | Signed as free agent | Ichiro Suzuki | — | Miami Marlins | Miami Marlins signed free agent RF Ichiro Suzuki. |
| Jan 27, 2015 | Signed as free agent | Felipe Paulino | — | Boston Red Sox | Boston Red Sox signed free agent RHP Felipe Paulino to a minor league contract and invited him to spring training. |
| Jan 27, 2015 | Signed as free agent | Rafael Betancourt | — | Colorado Rockies | Colorado Rockies signed free agent RHP Rafael Betancourt to a minor league contract and invited him to spring training. |
| Jan 27, 2015 | Signed as free agent | Omar Quintanilla | — | Colorado Rockies | Colorado Rockies signed free agent SS Omar Quintanilla to a minor league contract and invited him to spring training. |
| Jan 27, 2015 | Signed as free agent | Dane De La Rosa | — | Baltimore Orioles | Baltimore Orioles signed free agent RHP Dane De La Rosa to a minor league contract and invited him to spring training. |
| Jan 27, 2015 | Signed as free agent | Steve Johnson | — | Baltimore Orioles | Baltimore Orioles signed free agent RHP Steve Johnson to a minor league contract and invited him to spring training. |
| Jan 27, 2015 | Signed as free agent | Trevor Sprowl | — | Baltimore Orioles | Baltimore Orioles signed free agent 2B Trevor Sprowl to a minor league contract. |
| Jan 27, 2015 | Signed as free agent | Carlos Pimentel | — | Chicago Cubs | Chicago Cubs signed free agent RHP Carlos Pimentel to a minor league contract. |
| Jan 27, 2015 | Signed as free agent | Juan Silverio | — | Chicago White Sox | Chicago White Sox signed free agent 3B Juan Silverio to a minor league contract. |
| Jan 27, 2015 | Signed as free agent | Javier Solano | — | San Francisco Giants | San Francisco Giants signed free agent RHP Javier Solano to a minor league contract. |
| Jan 27, 2015 | Signed as free agent | Grant DeBruin | — | Washington Nationals | Washington Nationals signed free agent 3B Grant DeBruin to a minor league contract. |
| Jan 27, 2015 | Signed as free agent | Chris Parmelee | — | Baltimore Orioles | Baltimore Orioles signed free agent RF Chris Parmelee to a minor league contract and invited him to spring training. |
| Jan 26, 2015 | Signed as free agent | J.C. Boscan | — | Kansas City Royals | Kansas City Royals signed free agent C J.C. Boscan to a minor league contract and invited him to spring training. |
| Jan 26, 2015 | Signed as free agent | Jay Jackson | — | San Diego Padres | San Diego Padres signed free agent RHP Jay Jackson to a minor league contract and invited him to spring training. |
| Jan 26, 2015 | Signed as free agent | Ramiro Pena | — | San Diego Padres | San Diego Padres signed free agent 2B Ramiro Pena to a minor league contract and invited him to spring training. |
| Jan 26, 2015 | Signed as free agent | Endy Chavez | — | Seattle Mariners | Seattle Mariners signed free agent RF Endy Chavez to a minor league contract and invited him to spring training. |
| Jan 26, 2015 | Signed as free agent | Franklin Gutierrez | — | Seattle Mariners | Seattle Mariners signed free agent CF Franklin Gutierrez to a minor league contract and invited him to spring training. |
| Jan 26, 2015 | Signed as free agent | Bryan LaHair | — | Boston Red Sox | Boston Red Sox signed free agent 1B Bryan LaHair to a minor league contract and invited him to spring training. |
| Jan 26, 2015 | Signed as free agent | Jesus Flores | — | Atlanta Braves | Atlanta Braves signed free agent C Jesus Flores to a minor league contract and invited him to spring training. |
| Jan 26, 2015 | Signed as free agent | Rafael Penaranda | — | Cleveland Guardians | Cleveland Indians signed free agent C Rafael Penaranda to a minor league contract. |
| Jan 26, 2015 | Signed as free agent | Brian Bocock | — | Kansas City Royals | Kansas City Royals signed free agent 3B Brian Bocock to a minor league contract. |
| Jan 26, 2015 | Signed as free agent | Chris Leroux | — | Milwaukee Brewers | Milwaukee Brewers signed free agent RHP Chris Leroux to a minor league contract. |
| Jan 26, 2015 | Signed as free agent | Jose Casilla | — | San Francisco Giants | San Francisco Giants signed free agent RHP Jose Casilla to a minor league contract. |
| Jan 26, 2015 | Signed as free agent | Reegie Corona | — | San Francisco Giants | San Francisco Giants signed free agent 2B Reegie Corona to a minor league contract. |
| Jan 26, 2015 | Signed as free agent | Moises Hernandez | — | Seattle Mariners | Seattle Mariners signed free agent RHP Moises Hernandez to a minor league contract. |
| Jan 25, 2015 | Signed as free agent | John Buck | — | Atlanta Braves | Atlanta Braves signed free agent C John Buck to a minor league contract and invited him to spring training. |
| Jan 24, 2015 | Signed as free agent | Daniel Bard | — | Chicago Cubs | Chicago Cubs signed free agent RHP Daniel Bard to a minor league contract and invited him to spring training. |
| Jan 23, 2015 | Signed as free agent | Ryan Vogelsong | — | San Francisco Giants | San Francisco Giants signed free agent RHP Ryan Vogelsong. |
| Jan 23, 2015 | Signed as free agent | Ross Ohlendorf | — | Texas Rangers | Texas Rangers signed free agent RHP Ross Ohlendorf to a minor league contract and invited him to spring training. |
| Jan 23, 2015 | Trade | Daniel Rodriguez | Atlanta Braves | Baltimore Orioles | Atlanta Braves traded LHP Hector Daniel Rodriguez to Baltimore Orioles for cash. |
| Jan 23, 2015 | Trade | Mike Marjama | Chicago White Sox | Tampa Bay Rays | Chicago White Sox traded C Mike Marjama to Tampa Bay Rays for Player To Be Named Later. |
| Jan 23, 2015 | Signed as free agent | Scott Baker | — | New York Yankees | New York Yankees signed free agent RHP Scott Baker to a minor league contract and invited him to spring training. |
| Jan 23, 2015 | Signed as free agent | Henry Alberto Rodriguez | — | Arizona Diamondbacks | Arizona Diamondbacks signed free agent RHP Henry Alberto Rodriguez to a minor league contract. |
| Jan 23, 2015 | Signed as free agent | Luis Martinez | — | Boston Red Sox | Boston Red Sox signed free agent C Luis Martinez to a minor league contract. |
| Jan 23, 2015 | Signed as free agent | Lance Rymel | — | Colorado Rockies | Colorado Rockies signed free agent C Lance Rymel to a minor league contract. |
| Jan 23, 2015 | Signed as free agent | Austin Chubb | — | Los Angeles Dodgers | Los Angeles Dodgers signed free agent C Austin Chubb to a minor league contract. |
| Jan 23, 2015 | Signed as free agent | Derrick Robinson | — | Washington Nationals | Washington Nationals signed free agent LF Derrick Robinson to a minor league contract. |
| Jan 22, 2015 | Signed as free agent | Scott Carroll | — | Chicago White Sox | Chicago White Sox signed free agent RHP Scott Carroll to a minor league contract and invited him to spring training. |
| Jan 22, 2015 | Signed as free agent | Jairo Asencio | — | Chicago White Sox | Chicago White Sox signed free agent RHP Jairo Asencio to a minor league contract and invited him to spring training. |
| Jan 22, 2015 | Signed as free agent | Jesse Crain | — | Chicago White Sox | Chicago White Sox signed free agent RHP Jesse Crain to a minor league contract and invited him to spring training. |
| Jan 22, 2015 | Signed as free agent | J.D. Martin | — | Chicago White Sox | Chicago White Sox signed free agent RHP J.D. Martin to a minor league contract and invited him to spring training. |
| Jan 22, 2015 | Signed as free agent | Brad Penny | — | Chicago White Sox | Chicago White Sox signed free agent RHP Brad Penny to a minor league contract and invited him to spring training. |
| Jan 22, 2015 | 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 22, 2015 | Signed as free agent | Shawn O'Malley | — | Seattle Mariners | Seattle Mariners signed free agent LF Shawn O'Malley to a minor league contract and invited him to spring training. |
| Jan 22, 2015 | Signed as free agent | Engel Beltre | — | Chicago White Sox | Chicago White Sox signed free agent CF Engel Beltre to a minor league contract. |
| Jan 22, 2015 | Signed as free agent | Tim Fedroff | — | Miami Marlins | Miami Marlins signed free agent LF Tim Fedroff to a minor league contract. |
| Jan 22, 2015 | Signed as free agent | Luke Carlin | — | Athletics | Oakland Athletics signed free agent C Luke Carlin to a minor league contract and invited him to spring training. |
| Jan 22, 2015 | Trade | Hiram Martinez | Texas Rangers | Tigres de Quintana Roo | Texas Rangers traded 3B Hiram Martinez to Tigres de Quintana Roo for cash. |
| Jan 21, 2015 | Trade | Carlos Corporán | Houston Astros | Texas Rangers | Houston Astros traded C Carlos Corporan to Texas Rangers for RHP Akeem Bostick. |
| Jan 21, 2015 | Signed as free agent | Max Scherzer | — | Washington Nationals | Washington Nationals signed free agent RHP Max Scherzer. |
| Jan 21, 2015 | Signed as free agent | Jason Marquis | — | Cincinnati Reds | Cincinnati Reds signed free agent RHP Jason Marquis to a minor league contract and invited him to spring training. |
| Jan 21, 2015 | Signed as free agent | Dail Villanueva | — | Atlanta Braves | Atlanta Braves signed free agent LHP Dail Villanueva to a minor league contract. |
| Jan 21, 2015 | Signed as free agent | Jake Luce | — | Baltimore Orioles | Baltimore Orioles signed free agent OF Jake Luce to a minor league contract. |
| Jan 21, 2015 | Signed as free agent | Humberto Quintero | — | Boston Red Sox | Boston Red Sox signed free agent C Humberto Quintero to a minor league contract and invited him to spring training. |
| Jan 21, 2015 | Signed as free agent | Angelys Nina | — | Colorado Rockies | Colorado Rockies signed free agent 2B Angelys Nina to a minor league contract. |
| Jan 21, 2015 | Signed as free agent | Evan Meek | — | Washington Nationals | Washington Nationals signed free agent RHP Evan Meek to a minor league contract and invited him to spring training. |
| Jan 21, 2015 | Signed as free agent | Dontrelle Willis | — | Milwaukee Brewers | Milwaukee Brewers signed free agent LHP Dontrelle Willis to a minor league contract and invited him to spring training. |
| Jan 21, 2015 | Signed as free agent | Matt Angle | — | Athletics | Oakland Athletics signed free agent RF Matt Angle to a minor league contract. |
| Jan 21, 2015 | Signed as free agent | John Bowker | — | San Francisco Giants | San Francisco Giants signed free agent LF John Bowker to a minor league contract. |
| Jan 21, 2015 | Signed as free agent | Jeremy Horst | — | Los Angeles Dodgers | Los Angeles Dodgers signed free agent LHP Jeremy Horst to a minor league contract. |
| Jan 21, 2015 | Signed as free agent | Quintin Berry | — | Boston Red Sox | Boston Red Sox signed free agent LF Quintin Berry to a minor league contract and invited him to spring training. |
| Jan 21, 2015 | Signed as free agent | Robert Zárate | — | Tampa Bay Rays | Tampa Bay Rays signed free agent LHP Robert Zarate to a minor league contract and invited him to spring training. |
| Jan 20, 2015 | Signed as free agent | Colby Rasmus | — | Houston Astros | Houston Astros signed free agent LF Colby Rasmus. |
| Jan 20, 2015 | Trade | Gonzalez Germen | New York Yankees | Texas Rangers | New York Yankees traded RHP Gonzalez Germen to Texas Rangers for cash. |
| Jan 20, 2015 | Signed as free agent | Jarek Cunningham | — | Los Angeles Dodgers | Los Angeles Dodgers signed free agent 3B Jarek Cunningham to a minor league contract. |
| Jan 20, 2015 | Signed as free agent | Ben Rowen | — | Los Angeles Dodgers | Los Angeles Dodgers signed free agent RHP Ben Rowen to a minor league contract and invited him to spring training. |
| Jan 20, 2015 | Signed as free agent | Drew Garcia | — | Chicago White Sox | Chicago White Sox signed free agent 2B Drew Garcia to a minor league contract. |
| Jan 20, 2015 | Signed as free agent | Ryan Mattheus | — | Los Angeles Angels | Los Angeles Angels signed free agent RHP Ryan Mattheus to a minor league contract and invited him to spring training. |
| Jan 20, 2015 | Signed as free agent | Juan Guzman | — | Miami Marlins | Miami Marlins signed free agent RHP Juan Guzman to a minor league contract. |
| Jan 20, 2015 | Signed as free agent | Stone Speer | — | Miami Marlins | Miami Marlins signed free agent LHP Stone Speer to a minor league contract. |
| Jan 20, 2015 | Signed as free agent | Juan Pablo Pérez | — | Texas Rangers | Texas Rangers signed free agent LHP Juan Perez to a minor league contract. |
| Jan 20, 2015 | Signed as free agent | Kila Ka'aihue | — | Washington Nationals | Washington Nationals signed free agent 1B Kila Ka'aihue to a minor league contract and invited him to spring training. |
| Jan 19, 2015 | Trade | Dexter Fowler | Houston Astros | Chicago Cubs | Chicago Cubs traded RHP Dan Straily and 3B Luis Valbuena to Houston Astros for CF Dexter Fowler. |
| Jan 19, 2015 | Trade | Yovani Gallardo | Milwaukee Brewers | Texas Rangers | Milwaukee Brewers traded cash and RHP Yovani Gallardo to Texas Rangers for RHP Corey Knebel, SS Luis Sardinas and RHP Marcos Diplan. |
| Jan 19, 2015 | Signed as free agent | Norichika Aoki | — | San Francisco Giants | San Francisco Giants signed free agent LF Nori Aoki. |
| Jan 17, 2015 | Signed as free agent | Don Kelly | — | Miami Marlins | Miami Marlins signed free agent 3B Don Kelly to a minor league contract and invited him to spring training. |
| Jan 17, 2015 | Signed as free agent | David Carpenter | — | Atlanta Braves | Atlanta Braves signed free agent RHP David Carpenter to a minor league contract. |
| Jan 17, 2015 | Signed as free agent | Kelly Johnson | — | Atlanta Braves | Atlanta Braves signed free agent 3B Kelly Johnson to a minor league contract and invited him to spring training. |
| Jan 16, 2015 | Signed as free agent | Stephen Drew | — | New York Yankees | New York Yankees signed free agent 2B Stephen Drew. |
| Jan 16, 2015 | Signed as free agent | Jung Ho Kang | — | Pittsburgh Pirates | Pittsburgh Pirates signed free agent 3B Jung Ho Kang. |
| Jan 16, 2015 | Signed as free agent | Everett Teaford | — | Tampa Bay Rays | Tampa Bay Rays signed free agent LHP Everett Teaford to a minor league contract and invited him to spring training. |
| Jan 16, 2015 | Signed as free agent | Munenori Kawasaki | — | Toronto Blue Jays | Toronto Blue Jays signed free agent 2B Munenori Kawasaki to a minor league contract and invited him to spring training. |
| Jan 16, 2015 | Signed as free agent | Yoan López | — | Arizona Diamondbacks | Arizona Diamondbacks signed free agent RHP Yoan Lopez to a minor league contract. |
| Jan 16, 2015 | Released | Yoslan Herrera | — | Los Angeles Angels | Los Angeles Angels released RHP Yoslan Herrera. |
| Jan 16, 2015 | Signed as free agent | Vin Mazzaro | — | Miami Marlins | Miami Marlins signed free agent RHP Vin Mazzaro to a minor league contract and invited him to spring training. |
| Jan 16, 2015 | Signed as free agent | Sharlon Schoop | — | Baltimore Orioles | Baltimore Orioles signed free agent SS Sharlon Schoop to a minor league contract. |
| Jan 16, 2015 | Signed as free agent | Eddy Rodriguez | — | New York Yankees | New York Yankees signed free agent C Eddy Rodriguez to a minor league contract and invited him to spring training. |
| Jan 16, 2015 | Signed as free agent | Matt Hoffman | — | Boston Red Sox | Boston Red Sox signed free agent LHP Matt Hoffman to a minor league contract. |
| Jan 16, 2015 | Signed as free agent | Dusty Coleman | — | Kansas City Royals | Kansas City Royals signed free agent SS Dusty Coleman to a minor league contract. |
| Jan 16, 2015 | Signed as free agent | Benino Pruneda | — | Kansas City Royals | Kansas City Royals signed free agent RHP Benino Pruneda to a minor league contract. |
| Jan 15, 2015 | Signed as free agent | Anthony Swarzak | — | Cleveland Guardians | Cleveland Indians signed free agent RHP Anthony Swarzak to a minor league contract and invited him to spring training. |
| Jan 15, 2015 | Signed as free agent | Andy Dirks | — | Toronto Blue Jays | Toronto Blue Jays signed free agent LF Andy Dirks to a minor league contract. |
| Jan 15, 2015 | Signed as free agent | Casey Haerther | — | Baltimore Orioles | Baltimore Orioles signed free agent 1B Casey Haerther to a minor league contract. |
| Jan 15, 2015 | Signed as free agent | Logan Uxa | — | Baltimore Orioles | Baltimore Orioles signed free agent 1B Logan Uxa to a minor league contract. |
| Jan 15, 2015 | Signed as free agent | Brian Anderson | — | Chicago White Sox | Chicago White Sox signed free agent CF Brian Anderson to a minor league contract. |
| Jan 15, 2015 | Signed as free agent | Donovan Hand | — | Cincinnati Reds | Cincinnati Reds signed free agent RHP Donovan Hand to a minor league contract. |
| Jan 15, 2015 | Signed as free agent | Hernan Iribarren | — | Cincinnati Reds | Cincinnati Reds signed free agent 2B Hernan Iribarren to a minor league contract. |
| Jan 15, 2015 | Signed as free agent | Rayner Brito | — | Cleveland Guardians | Cleveland Indians signed free agent LHP Rayner Brito to a minor league contract. |
| Jan 15, 2015 | Signed as free agent | Luis Hernandez | — | San Diego Padres | San Diego Padres signed free agent RHP Luis Hernandez to a minor league contract. |
| Jan 15, 2015 | Signed as free agent | Brian Jeroloman | — | Washington Nationals | Washington Nationals signed free agent C Brian Jeroloman to a minor league contract. |
| Jan 15, 2015 | Signed as free agent | Erik Bedard | — | Los Angeles Dodgers | Los Angeles Dodgers signed free agent LHP Erik Bedard to a minor league contract and invited him to spring training. |
| Jan 14, 2015 | Trade | Dan Butler | Boston Red Sox | Washington Nationals | Washington Nationals traded LHP Danny Rosenbaum to Boston Red Sox for C Dan Butler. |
| Jan 14, 2015 | Trade | Mike Kickham | Chicago Cubs | Seattle Mariners | Chicago Cubs traded LHP Mike Kickham to Seattle Mariners for RHP Lars Huijer. |
| Jan 14, 2015 | Trade | Yunel Escobar | Athletics | Washington Nationals | Washington Nationals traded RHP Tyler Clippard to Oakland Athletics for 3B Yunel Escobar. |
| Jan 14, 2015 | Trade | Andrew Thurman | Houston Astros | Atlanta Braves | Atlanta Braves traded C Evan Gattis and RHP James Hoyt to Houston Astros for RHP Mike Foltynewicz, 3B Rio Ruiz and RHP Andrew Thurman. |
| Jan 14, 2015 | Signed as free agent | Francisley Bueno | — | Chicago Cubs | Chicago Cubs signed free agent LHP Francisley Bueno to a minor league contract and invited him to spring training. |
| Jan 14, 2015 | Signed as free agent | Murilo Gouvea | — | Houston Astros | Houston Astros signed free agent RHP Murilo Gouvea to a minor league contract. |
| Jan 14, 2015 | Signed as free agent | Curtis Partch | — | San Francisco Giants | San Francisco Giants signed free agent RHP Curtis Partch to a minor league contract and invited him to spring training. |
| Jan 14, 2015 | Signed as free agent | Cameron Kneeland | — | Baltimore Orioles | Baltimore Orioles signed free agent 3B Cameron Kneeland to a minor league contract. |
| Jan 14, 2015 | Signed as free agent | Unnamed | — | New York Mets | New York Mets signed free agent RHP Anthony Chavez to a minor league contract. |
| Jan 13, 2015 | Trade | Chris Martin | Colorado Rockies | New York Yankees | Colorado Rockies traded RHP Chris Martin to New York Yankees for cash. |
| Jan 13, 2015 | Signed as free agent | Carlos Peguero | — | Texas Rangers | Texas Rangers signed free agent LF Carlos Peguero to a minor league contract and invited him to spring training. |
| Jan 13, 2015 | Signed as free agent | Kevin Torres | — | Texas Rangers | Texas Rangers signed free agent C Kevin Torres to a minor league contract. |
| Jan 13, 2015 | Signed as free agent | Guilder Rodriguez | — | Texas Rangers | Texas Rangers signed free agent SS Guilder Rodriguez to a minor league contract. |
| Jan 13, 2015 | Signed as free agent | J.T. Wise | — | Texas Rangers | Texas Rangers signed free agent 1B J.T. Wise to a minor league contract. |
| Jan 13, 2015 | Signed as free agent | Kyle Lotzkar | — | Texas Rangers | Texas Rangers signed free agent RHP Kyle Lotzkar to a minor league contract. |
| Jan 13, 2015 | Signed as free agent | Edwin Garcia | — | Texas Rangers | Texas Rangers signed free agent SS Edwin Garcia to a minor league contract. |
| Jan 13, 2015 | Signed as free agent | Jan Vázquez | — | Colorado Rockies | Colorado Rockies signed free agent C Jan Vazquez to a minor league contract. |
| Jan 13, 2015 | Signed as free agent | Wandy Rodriguez | — | Atlanta Braves | Atlanta Braves signed free agent LHP Wandy Rodriguez to a minor league contract and invited him to spring training. |
| Jan 13, 2015 | Signed as free agent | Edgar Corcino | — | Minnesota Twins | Minnesota Twins signed free agent 3B Edgar Corcino to a minor league contract. |
| Jan 12, 2015 | Signed as free agent | Shawn Haviland | — | Chicago White Sox | Chicago White Sox signed free agent Shawn Haviland. |
| Jan 12, 2015 | Signed as free agent | Steven Lerud | — | Washington Nationals | Washington Nationals signed free agent C Steven Lerud to a minor league contract and invited him to spring training. |
| Jan 12, 2015 | Signed as free agent | Michael Johnson | — | Chicago White Sox | Chicago White Sox signed free agent 2B Michael Johnson to a minor league contract. |
| Jan 12, 2015 | Signed as free agent | Brandon Bantz | — | Miami Marlins | Miami Marlins signed free agent C Brandon Bantz to a minor league contract. |
| Jan 12, 2015 | Signed as free agent | Allan de San Miguel | — | Minnesota Twins | Minnesota Twins signed free agent C Allan de San Miguel to a minor league contract. |
| Jan 12, 2015 | Signed as free agent | Travis Blackley | — | San Francisco Giants | San Francisco Giants signed free agent LHP Travis Blackley to a minor league contract. |
| Jan 12, 2015 | Signed as free agent | Joselito Cano | — | Seattle Mariners | Seattle Mariners signed free agent LHP Joselito Cano to a minor league contract. |
| Jan 12, 2015 | Signed as free agent | Kohsuke Tomita | — | Texas Rangers | Texas Rangers signed free agent RHP Kohsuke Tomita to a minor league contract. |
| Jan 12, 2015 | Signed as free agent | Williantoni Uribarri | — | Washington Nationals | Washington Nationals signed free agent RHP Williantony Uribarri to a minor league contract. |
| Jan 12, 2015 | Signed as free agent | Mike Carp | — | Washington Nationals | Washington Nationals signed free agent 1B Mike Carp to a minor league contract and invited him to spring training. |
| Jan 12, 2015 | Signed as free agent | Nick Masset | — | Miami Marlins | Miami Marlins signed free agent RHP Nick Masset to a minor league contract and invited him to spring training. |
| Jan 10, 2015 | Signed as free agent | Asdrúbal Cabrera | — | Tampa Bay Rays | Tampa Bay Rays signed free agent SS Asdrubal Cabrera. |
| Jan 10, 2015 | Trade | John Jaso | Athletics | Tampa Bay Rays | Tampa Bay Rays traded 2B Ben Zobrist and SS Yunel Escobar to Oakland Athletics for CF Boog Powell, SS Daniel Robertson, C John Jaso and cash. |
| Jan 10, 2015 | Signed as free agent | Robert Hernandez | — | New York Yankees | New York Yankees signed free agent OF Robert Hernandez to a minor league contract. |
| Jan 9, 2015 | Signed as free agent | Charlie Leesman | — | Pittsburgh Pirates | Pittsburgh Pirates signed free agent LHP Charlie Leesman to a minor league contract and invited him to spring training. |
| Jan 9, 2015 | Signed as free agent | Chris Denorfia | — | Chicago Cubs | Chicago Cubs signed free agent RF Chris Denorfia. |
| Jan 9, 2015 | Signed as free agent | Delmon Young | — | Baltimore Orioles | Baltimore Orioles signed free agent RF Delmon Young. |
| Jan 9, 2015 | Signed as free agent | Ryan Buchter | — | Los Angeles Dodgers | Los Angeles Dodgers signed free agent LHP Ryan Buchter to a minor league contract and invited him to spring training. |
| Jan 9, 2015 | Signed as free agent | David Huff | — | Los Angeles Dodgers | Los Angeles Dodgers signed free agent LHP David Huff to a minor league contract and invited him to spring training. |
| Jan 9, 2015 | Signed as free agent | Daniel Schlereth | — | Detroit Tigers | Detroit Tigers signed free agent LHP Daniel Schlereth to a minor league contract. |
| Jan 9, 2015 | Signed as free agent | Jose Molina | — | Los Angeles Dodgers | Los Angeles Dodgers signed free agent LHP Jose Alberto Molina to a minor league contract. |
| Jan 9, 2015 | Signed as free agent | Daniel McCutchen | — | San Diego Padres | San Diego Padres signed free agent RHP Daniel McCutchen to a minor league contract. |
| Jan 9, 2015 | Signed as free agent | Wendell Soto | — | Cincinnati Reds | Cincinnati Reds signed free agent SS Wendell Soto to a minor league contract. |
| Jan 9, 2015 | Signed as free agent | Wilbis Santiago | — | Cleveland Guardians | Cleveland Indians signed free agent 2B Wilbis Santiago to a minor league contract. |
| Jan 9, 2015 | Signed as free agent | Abel Baker | — | Colorado Rockies | Colorado Rockies signed free agent C Abel Baker to a minor league contract. |
| Jan 9, 2015 | Signed as free agent | Cambric Moye | — | Colorado Rockies | Colorado Rockies signed free agent C Cambric Moye to a minor league contract. |
| Jan 8, 2015 | Signed as free agent | Emilio Bonifácio | — | Chicago White Sox | Chicago White Sox signed free agent 2B Emilio Bonifacio. |
| Jan 8, 2015 | Signed as free agent | Sergio Santos | — | Los Angeles Dodgers | Los Angeles Dodgers signed free agent RHP Sergio Santos to a minor league contract and invited him to spring training. |
| Jan 8, 2015 | Trade | Nate Hyatt | Atlanta Braves | Los Angeles Angels | Atlanta Braves traded 3B Kyle Kubitza and Nate Hyatt to Los Angeles Angels for LHP Ricardo Sanchez. |
| Jan 8, 2015 | Signed as free agent | Ildemaro Vargas | — | St. Louis Cardinals | St. Louis Cardinals signed free agent 3B Ildemaro Vargas to a minor league contract. |
| Jan 8, 2015 | Signed as free agent | Marcos Mateo | — | San Diego Padres | San Diego Padres signed free agent RHP Marcos Mateo to a minor league contract. |
| Jan 8, 2015 | Signed as free agent | Jose Valverde | — | San Diego Padres | San Diego Padres signed free agent RHP Jose Valverde to a minor league contract and invited him to spring training. |
| Jan 8, 2015 | Signed as free agent | Mike Broadway | — | San Francisco Giants | San Francisco Giants signed free agent RHP Mike Broadway to a minor league contract. |
| Jan 8, 2015 | Signed as free agent | Mason Tobin | — | Texas Rangers | Texas Rangers signed free agent RHP Mason Tobin to a minor league contract. |
| Jan 8, 2015 | Signed as free agent | Jeanmar Gómez | — | Philadelphia Phillies | Philadelphia Phillies signed free agent RHP Jeanmar Gomez to a minor league contract and invited him to spring training. |
| Jan 8, 2015 | Signed as free agent | Thad Weber | — | Detroit Tigers | Detroit Tigers signed free agent RHP Thad Weber to a minor league contract. |
| Jan 8, 2015 | Signed as free agent | Pat Misch | — | Miami Marlins | Miami Marlins signed free agent LHP Pat Misch to a minor league contract and invited him to spring training. |
| Jan 7, 2015 | Signed as free agent | Jason Grilli | — | Atlanta Braves | Atlanta Braves signed free agent RHP Jason Grilli. |
| Jan 7, 2015 | Signed as free agent | Josh Outman | — | Atlanta Braves | Atlanta Braves signed free agent LHP Josh Outman. |
| Jan 7, 2015 | Signed as free agent | A.J. Pierzynski | — | Atlanta Braves | Atlanta Braves signed free agent C A.J. Pierzynski. |
| Jan 7, 2015 | Signed as free agent | Josh Johnson | — | San Diego Padres | San Diego Padres signed free agent RHP Josh Johnson. |
| Jan 7, 2015 | Signed as free agent | J.P. Arencibia | — | Baltimore Orioles | Baltimore Orioles signed free agent C J.P. Arencibia to a minor league contract and invited him to spring training. |
| Jan 7, 2015 | Signed as free agent | Jose Jose | — | Arizona Diamondbacks | Arizona Diamondbacks signed free agent LHP Jose Jose to a minor league contract. |
| Jan 7, 2015 | Signed as free agent | Aaron Cunningham | — | Arizona Diamondbacks | Arizona Diamondbacks signed free agent LF Aaron Cunningham to a minor league contract. |
| Jan 7, 2015 | Signed as free agent | Leyson Septimo | — | Atlanta Braves | Atlanta Braves signed free agent LHP Leyson Septimo to a minor league contract. |
| Jan 7, 2015 | Signed as free agent | Salvador Sanchez | — | Miami Marlins | Miami Marlins signed free agent RHP Salvador Sanchez to a minor league contract. |
| Jan 7, 2015 | Signed as free agent | Arturo Rodriguez | — | Miami Marlins | Miami Marlins signed free agent C Arturo Rodriguez to a minor league contract. |
| Jan 7, 2015 | Signed as free agent | Wilkin Ramirez | — | Minnesota Twins | Minnesota Twins signed free agent RF Wilkin Ramirez to a minor league contract. |
| Jan 7, 2015 | Signed as free agent | Scott Elbert | — | San Diego Padres | San Diego Padres signed free agent LHP Scott Elbert to a minor league contract and invited him to spring training. |
| Jan 7, 2015 | Signed as free agent | Melky Mesa | — | Toronto Blue Jays | Toronto Blue Jays signed free agent RF Melky Mesa to a minor league contract. |
| Jan 7, 2015 | Signed as free agent | Rossmel Perez | — | Baltimore Orioles | Baltimore Orioles signed free agent C Rossmel Perez to a minor league contract. |
| Jan 6, 2015 | Signed as free agent | Tom Gorzelanny | — | Detroit Tigers | Detroit Tigers signed free agent LHP Tom Gorzelanny. |
| Jan 6, 2015 | Signed as free agent | Michael Roth | — | Cleveland Guardians | Cleveland Indians signed free agent LHP Michael Roth to a minor league contract and invited him to spring training. |
| Jan 6, 2015 | Released | Tyler Cloyd | — | Cleveland Guardians | Cleveland Indians released RHP Tyler Cloyd. |
| Jan 6, 2015 | Signed as free agent | Craig Breslow | — | Boston Red Sox | Boston Red Sox signed free agent LHP Craig Breslow. |
| Jan 6, 2015 | Signed as free agent | Gerson Montilla | — | Arizona Diamondbacks | Arizona Diamondbacks signed free agent 2B Gerson Montilla to a minor league contract. |
| Jan 6, 2015 | Signed as free agent | Jonathan Joseph | — | Athletics | Oakland Athletics signed free agent RHP Jonathan Joseph to a minor league contract. |
| Jan 5, 2015 | Signed as free agent | Aaron Harang | — | Philadelphia Phillies | Philadelphia Phillies signed free agent RHP Aaron Harang. |
| Jan 5, 2015 | Signed as free agent | Buddy Carlyle | — | New York Mets | New York Mets signed free agent RHP Buddy Carlyle to a minor league contract and invited him to spring training. |
| Jan 5, 2015 | Signed as free agent | Adam Rosales | — | Texas Rangers | Texas Rangers signed free agent 2B Adam Rosales. |
| Jan 5, 2015 | Signed as free agent | Juan Carlos Oviedo | — | Texas Rangers | Texas Rangers signed free agent RHP Juan Carlos Oviedo to a minor league contract and invited him to spring training. |
| Jan 5, 2015 | Signed as free agent | Nick Hundley | — | Colorado Rockies | Colorado Rockies signed free agent C Nick Hundley. |
| Jan 5, 2015 | Signed as free agent | Mayo Acosta | — | Tampa Bay Rays | Tampa Bay Rays signed free agent C Mayo Acosta to a minor league contract and invited him to spring training. |
| Jan 5, 2015 | Signed as free agent | Jose Mateo | — | Baltimore Orioles | Baltimore Orioles signed free agent RHP Jose Mateo to a minor league contract. |
| Jan 5, 2015 | Signed as free agent | Blake Tekotte | — | Boston Red Sox | Boston Red Sox signed free agent RF Blake Tekotte to a minor league contract. |
| Jan 5, 2015 | Signed as free agent | Tyler Colvin | — | Miami Marlins | Miami Marlins signed free agent LF Tyler Colvin to a minor league contract and invited him to spring training. |
| Jan 5, 2015 | Signed as free agent | Nevin Ashley | — | Milwaukee Brewers | Milwaukee Brewers signed free agent C Nevin Ashley to a minor league contract and invited him to spring training. |
| Jan 5, 2015 | Signed as free agent | Slade Heathcott | — | New York Yankees | New York Yankees signed free agent RF Slade Heathcott to a minor league contract and invited him to spring training. |
| Jan 5, 2015 | Signed as free agent | Mitchell Boggs | — | Boston Red Sox | Boston Red Sox signed free agent RHP Mitchell Boggs to a minor league contract and invited him to spring training. |
| Jan 4, 2015 | Signed as free agent | Ryan Madson | — | Kansas City Royals | Kansas City Royals signed free agent RHP Ryan Madson to a minor league contract and invited him to spring training. |
| Jan 4, 2015 | Signed as free agent | Andy LaRoche | — | Chicago White Sox | Chicago White Sox signed free agent 3B Andy LaRoche to a minor league contract and invited him to spring training. |
| Jan 4, 2015 | Signed as free agent | Ramon Benjamin | — | Los Angeles Dodgers | Los Angeles Dodgers signed free agent LHP Ramon Benjamin to a minor league contract. |
| Jan 4, 2015 | Signed as free agent | Brian Burgamy | — | Los Angeles Dodgers | Los Angeles Dodgers signed free agent 3B Brian Burgamy to a minor league contract. |
| Jan 4, 2015 | Signed as free agent | Luis Mateo | — | Los Angeles Dodgers | Los Angeles Dodgers signed free agent SS Luis Mateo to a minor league contract. |
| Jan 4, 2015 | Signed as free agent | Steven Hensley | — | Los Angeles Angels | Los Angeles Angels signed free agent RHP Steven Hensley to a minor league contract. |
| Jan 4, 2015 | Signed as free agent | Pat Christensen | — | Los Angeles Dodgers | Los Angeles Dodgers signed free agent RHP Pat Christensen to a minor league contract. |
| Jan 3, 2015 | Signed as free agent | Chin-hui Tsao | — | Los Angeles Dodgers | Los Angeles Dodgers signed free agent RHP Chin-hui Tsao to a minor league contract. |
| Jan 3, 2015 | Signed as free agent | Juan Francisco | — | Tampa Bay Rays | Tampa Bay Rays signed free agent 3B Juan Francisco to a minor league contract and invited him to spring training. |
| Jan 3, 2015 | Signed as free agent | Joey Butler | — | Tampa Bay Rays | Tampa Bay Rays signed free agent RF Joey Butler to a minor league contract and invited him to spring training. |
| Jan 2, 2015 | Signed as free agent | Scott Sizemore | — | Miami Marlins | Miami Marlins signed free agent 3B Scott Sizemore to a minor league contract and invited him to spring training. |
| Jan 1, 2015 | Trade | Manny Banuelos | New York Yankees | Atlanta Braves | Atlanta Braves traded LHP Chasen Shreve and RHP David Carpenter to New York Yankees for LHP Manny Banuelos. |
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.