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Every official 2015 MLB transaction involving the Seattle Mariners on either side of the move: 108 trades, signings and releases dated and grouped by month, with MLB’s own description of each move. Both directions are covered: 94 moves land with the Mariners and 14 depart from them.
Showing 108 of 108 Seattle Mariners transactions
| Date | Type | Player | From | To | Details |
|---|---|---|---|---|---|
| Jun 24, 2016 | Signed as free agent | Norichika Aoki | — | Seattle Mariners | Seattle Mariners signed free agent Norichika Aoki. |
| Date | Type | Player | From | To | Details |
|---|---|---|---|---|---|
| May 16, 2016 | Trade | Tom Wilhelmsen | Seattle Mariners | Texas Rangers | 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. |
| May 15, 2016 | Trade | Luis Sardinas | Milwaukee Brewers | Seattle Mariners | Seattle Mariners traded CF Ramon Flores to Milwaukee Brewers for 2B Luis Sardinas. |
| Date | Type | Player | From | To | Details |
|---|---|---|---|---|---|
| Mar 14, 2016 | Trade | Patrick Kivlehan | Seattle Mariners | Texas Rangers | Seattle Mariners traded 3B Patrick Kivlehan to Texas Rangers. PTBN in 11/16 trade |
| Date | Type | Player | From | To | Details |
|---|---|---|---|---|---|
| Dec 21, 2015 | Signed as free agent | Hisashi Iwakuma | — | Seattle Mariners | Seattle Mariners signed free agent RHP Hisashi Iwakuma. |
| 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 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 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 14, 2015 | Signed as free agent | Steve Cishek | — | Seattle Mariners | Seattle Mariners signed free agent RHP Steve Cishek. |
| 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 9, 2015 | Trade | Freddy Peralta | 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 8, 2015 | Trade | Evan Scribner | Athletics | Seattle Mariners | Oakland Athletics traded RHP Evan Scribner to Seattle Mariners for RHP Trey Cochran-Gill. |
| 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 | Bengie González | — | Seattle Mariners | Seattle Mariners signed free agent 2B Benji Gonzalez 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 | 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 | 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 2, 2015 | Trade | C.J. Riefenhauser | Seattle Mariners | Baltimore Orioles | 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. |
| Date | Type | Player | From | To | Details |
|---|---|---|---|---|---|
| Nov 23, 2015 | Signed as free agent | Chris Iannetta | — | Seattle Mariners | Seattle Mariners signed free agent C Chris Iannetta. |
| 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 | Kyle Schepel | — | Seattle Mariners | Seattle Mariners signed free agent RHP Kyle Schepel to a minor league contract. |
| 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 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 | Feliberto Bonilla | — | Seattle Mariners | Seattle Mariners signed free agent RHP Feliberto Bonilla to a minor league contract. |
| Nov 5, 2015 | Trade | Brad Miller | 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. |
| Date | Type | Player | From | To | Details |
|---|---|---|---|---|---|
| Oct 19, 2015 | Released | Logan Kensing | — | Seattle Mariners | Seattle Mariners released RHP Logan Kensing. |
| Date | Type | Player | From | To | Details |
|---|---|---|---|---|---|
| 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 4, 2015 | Signed as free agent | Joe Mello | — | Seattle Mariners | Seattle Mariners signed free agent RHP Joe Mello to a minor league contract. |
| Date | Type | Player | From | To | Details |
|---|---|---|---|---|---|
| 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 | 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 27, 2015 | Trade | Fernando Rodney | Seattle Mariners | Chicago Cubs | Seattle Mariners traded RHP Fernando Rodney to Chicago Cubs. |
| Date | Type | Player | From | To | Details |
|---|---|---|---|---|---|
| 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 | J.A. Happ | Seattle Mariners | Pittsburgh Pirates | Seattle Mariners traded LHP J.A. Happ to Pittsburgh Pirates for RHP Adrian Sampson. |
| Jul 30, 2015 | Trade | Ramón Flores | New York Yankees | Seattle Mariners | Seattle Mariners traded LF Dustin Ackley to New York Yankees for RHP Jose Ramirez and LF Ramon Flores. |
| 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 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 6, 2015 | Released | Willie Bloomquist | — | Seattle Mariners | Seattle Mariners released SS Willie Bloomquist. |
| 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 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 | 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 | Ivan Fortunato | — | Seattle Mariners | Seattle Mariners signed free agent RHP Ivan Fortunato 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 | Carlos Vargas | — | Seattle Mariners | Seattle Mariners signed free agent SS Carlos Vargas to a minor league contract. |
| Date | Type | Player | From | To | Details |
|---|---|---|---|---|---|
| Jun 28, 2015 | Signed | Matt Walker | — | Seattle Mariners | Seattle Mariners signed RHP Matt Walker. |
| Jun 27, 2015 | Signed | Dalton Kelly | — | Seattle Mariners | Seattle Mariners signed 1B Dalton Kelly. |
| Jun 24, 2015 | Signed | Ricky Eusebio | — | Seattle Mariners | Seattle Mariners signed CF Ricky Eusebio. |
| Jun 21, 2015 | Released | Rickie Weeks Jr. | — | Seattle Mariners | Seattle Mariners released LF Rickie Weeks. |
| 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 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 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 | Logan James | — | Seattle Mariners | Seattle Mariners signed LHP Logan James. |
| 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 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 | Kyle Schepel | — | Seattle Mariners | Seattle Mariners signed free agent RHP Kyle Schepel to a minor league contract. |
| Date | Type | Player | From | To | Details |
|---|---|---|---|---|---|
| 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 19, 2015 | Trade | Welington Castillo | Chicago Cubs | Seattle Mariners | Chicago Cubs traded C Welington Castillo to Seattle Mariners for RHP Yoervis Medina. |
| 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 13, 2015 | Signed as free agent | Logan Kensing | — | Seattle Mariners | Seattle Mariners signed free agent RHP Logan Kensing to a minor league contract. |
| Date | Type | Player | From | To | Details |
|---|---|---|---|---|---|
| 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 9, 2015 | Signed as free agent | Pedro Vasquez | — | Seattle Mariners | Seattle Mariners signed free agent RHP Pedro Vasquez 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 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 | Trade | Tony Zych | Chicago Cubs | Seattle Mariners | Chicago Cubs traded RHP Tony Zych to Seattle Mariners for Player To Be Named Later. |
| Date | Type | Player | From | To | Details |
|---|---|---|---|---|---|
| Mar 31, 2015 | Released | Endy Chavez | — | Seattle Mariners | Seattle Mariners released RF Endy Chavez. |
| Mar 31, 2015 | Trade | Erasmo Ramírez | Seattle Mariners | Tampa Bay Rays | Seattle Mariners traded RHP Erasmo Ramirez to Tampa Bay Rays for LHP Mike Montgomery. |
| Mar 30, 2015 | Released | Kevin Correia | — | Seattle Mariners | Seattle Mariners released RHP Kevin Correia. |
| Mar 15, 2015 | Trade | Mike Kickham | Chicago Cubs | Seattle Mariners | Chicago Cubs traded LHP Mike Kickham to Seattle Mariners for RHP Lars Huijer. |
| 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. |
| Date | Type | Player | From | To | Details |
|---|---|---|---|---|---|
| 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 13, 2015 | Signed as free agent | Rickie Weeks Jr. | — | Seattle Mariners | Seattle Mariners signed free agent LF Rickie Weeks. |
| 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. |
| Date | Type | Player | From | To | Details |
|---|---|---|---|---|---|
| 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 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 | Moises Hernandez | — | Seattle Mariners | Seattle Mariners signed free agent RHP Moises Hernandez to a minor league contract. |
| 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 12, 2015 | Signed as free agent | Joselito Cano | — | Seattle Mariners | Seattle Mariners signed free agent LHP Joselito Cano to a minor league contract. |
Every row is captured from MLB’s official StatsAPI transactions feed with MLB’s published description unedited. A trade appears on both clubs’ pages for the season; signings include both major-league and minor-league contracts signed with the 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. Kept transaction types: Trade, Signed, Signed as free agent, Released.