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Every official 2021 MLB transaction involving the Athletics on either side of the move: 85 trades, signings and releases dated and grouped by month, with MLB’s own description of each move. Both directions are covered: 81 moves land with the Athletics and 4 depart from them.
Showing 85 of 85 Athletics transactions
| Date | Type | Player | From | To | Details |
|---|---|---|---|---|---|
| Dec 6, 2021 | Signed as free agent | Eliazar De Los Santos | — | Athletics | Oakland Athletics signed free agent RHP Eliazar De Los Santos to a minor league contract. |
| Dec 3, 2021 | Signed as free agent | Drew Jackson | — | Athletics | Oakland Athletics signed free agent SS Drew Jackson to a minor league contract. |
| Dec 3, 2021 | Signed as free agent | Dalton Kelly | — | Athletics | Oakland Athletics signed free agent 1B Dalton Kelly to a minor league contract. |
| Date | Type | Player | From | To | Details |
|---|---|---|---|---|---|
| Nov 25, 2021 | Signed as free agent | Christian Bethancourt | — | Athletics | Oakland Athletics signed free agent C Christian Bethancourt to a minor league contract. |
| Nov 24, 2021 | Signed as free agent | Chen Zhong-Ao Zhuang | — | Athletics | Oakland Athletics signed free agent RHP Chen Zhong-Ao Zhuang to a minor league contract. |
| Nov 19, 2021 | Trade | Brent Honeywell | Tampa Bay Rays | Athletics | Tampa Bay Rays traded RHP Brent Honeywell Jr. to Oakland Athletics for cash. |
| Nov 15, 2021 | Signed as free agent | Trey Supak | — | Athletics | Oakland Athletics signed free agent RHP Trey Supak to a minor league contract. |
| Date | Type | Player | From | To | Details |
|---|---|---|---|---|---|
| Oct 16, 2021 | Signed as free agent | Dany Jiménez | — | Athletics | Oakland Athletics signed free agent RHP Dany Jimenez to a minor league contract. |
| Oct 15, 2021 | Signed as free agent | Alejandro Manzano | — | Athletics | Oakland Athletics signed free agent RHP Alejandro Manzano to a minor league contract. |
| Oct 1, 2021 | Released | Michael Feliz | — | Athletics | Oakland Athletics released RHP Michael Feliz. |
| Date | Type | Player | From | To | Details |
|---|---|---|---|---|---|
| Sep 22, 2021 | Released | Aramis Garcia | — | Athletics | Oakland Athletics released C Aramis Garcia. |
| Sep 7, 2021 | Signed as free agent | Javier Reina | — | Athletics | Oakland Athletics signed free agent RHP Javier Reina to a minor league contract. |
| Date | Type | Player | From | To | Details |
|---|---|---|---|---|---|
| Aug 16, 2021 | Signed as free agent | Angel Rivera | — | Athletics | Oakland Athletics signed free agent C Angel Rivera to a minor league contract. |
| Aug 4, 2021 | Signed as free agent | Khris Davis | — | Athletics | Oakland Athletics signed free agent LF Khris Davis to a minor league contract. |
| Aug 4, 2021 | Signed as free agent | Aaron Cohn | — | Athletics | Oakland Athletics signed free agent RHP Aaron Cohn to a minor league contract. |
| Aug 2, 2021 | Signed as free agent | Domingo Acevedo | — | Athletics | Oakland Athletics signed free agent RHP Domingo Acevedo to a minor league contract. |
| Date | Type | Player | From | To | Details |
|---|---|---|---|---|---|
| Jul 31, 2021 | Released | Domingo Acevedo | — | Athletics | Oakland Athletics released RHP Domingo Acevedo. |
| Jul 30, 2021 | Trade | Drew Millas | Athletics | Washington Nationals | Washington Nationals traded C Yan Gomes, 2B Josh Harrison and cash to Oakland Athletics for RHP Richard Guasch, RHP Seth Shuman and C Drew Millas. |
| Jul 28, 2021 | Trade | Jesús Luzardo | Athletics | Miami Marlins | Miami Marlins traded LF Starling Marte to Oakland Athletics for LHP Jesus Luzardo. |
| Jul 26, 2021 | Signed | Denzel Clarke | — | Athletics | Oakland Athletics signed OF Denzel Clarke. |
| Jul 26, 2021 | Signed | Zack Gelof | — | Athletics | Oakland Athletics signed 3B Zack Gelof. |
| Jul 26, 2021 | Signed | CJ Rodriguez | — | Athletics | Oakland Athletics signed C CJ Rodriguez. |
| Jul 26, 2021 | Trade | Andrew Chafin | Chicago Cubs | Athletics | Chicago Cubs traded LHP Andrew Chafin to Oakland Athletics for 1B Greg Deichmann and RHP Daniel Palencia. |
| Jul 21, 2021 | Signed | Drew Swift | — | Athletics | Oakland Athletics signed SS Drew Swift. |
| Jul 21, 2021 | Signed | Mason Miller | — | Athletics | Oakland Athletics signed RHP Mason Miller. |
| Jul 21, 2021 | Signed | Max Muncy | — | Athletics | Oakland Athletics signed SS Max Muncy. |
| Jul 21, 2021 | Signed | Grant Holman | — | Athletics | Oakland Athletics signed RHP Grant Holman. |
| Jul 21, 2021 | Signed | Brett Harris | — | Athletics | Oakland Athletics signed 3B Brett Harris. |
| Jul 21, 2021 | Signed | Shane McGuire | — | Athletics | Oakland Athletics signed C Shane McGuire. |
| Jul 21, 2021 | Signed | Eduardo Rivera | — | Athletics | Oakland Athletics signed LHP Eduardo Rivera. |
| Jul 21, 2021 | Signed | Mitch Myers | — | Athletics | Oakland Athletics signed RHP Mitch Myers. |
| Jul 21, 2021 | Signed | Luke Anderson | — | Athletics | Oakland Athletics signed RHP Luke Anderson. |
| Jul 21, 2021 | Signed | Colton Johnson | — | Athletics | Oakland Athletics signed LHP Colton Johnson. |
| Jul 21, 2021 | Signed | Jack Winkler | — | Athletics | Oakland Athletics signed SS Jack WInkler. |
| Jul 21, 2021 | Signed | Aaron Holiday | — | Athletics | Oakland Athletics signed RHP Aaron Holiday. |
| Jul 21, 2021 | Signed | Jonny Butler | — | Athletics | Oakland Athletics signed OF Jonny Butler. |
| Jul 21, 2021 | Signed | Kyle Virbitsky | — | Athletics | Oakland Athletics signed RHP Kyle Virbitsky. |
| Jul 21, 2021 | Signed | Hunter Breault | — | Athletics | Oakland Athletics signed RHP Hunter Breault. |
| Jul 21, 2021 | Signed | Mariano Ricciardi | — | Athletics | Oakland Athletics signed 2B Mariano Ricciardi. |
| Jul 21, 2021 | Signed | Blake Beers | — | Athletics | Oakland Athletics signed RHP Blake Beers. |
| Jul 21, 2021 | Signed as free agent | Nick Brueser | — | Athletics | Oakland Athletics signed free agent 1B Nick Brueser to a minor league contract. |
| Jul 21, 2021 | Signed as free agent | Jack Owen | — | Athletics | Oakland Athletics signed free agent LHP Jack Owen to a minor league contract. |
| Jul 2, 2021 | Trade | Sam Moll | Arizona Diamondbacks | Athletics | Arizona Diamondbacks traded LHP Sam Moll to Oakland Athletics for cash. |
| Date | Type | Player | From | To | Details |
|---|---|---|---|---|---|
| Jun 22, 2021 | Signed as free agent | Homer Bailey | — | Athletics | Oakland Athletics signed free agent RHP Homer Bailey to a minor league contract. |
| Date | Type | Player | From | To | Details |
|---|---|---|---|---|---|
| May 5, 2021 | Trade | Skye Bolt | San Francisco Giants | Athletics | San Francisco Giants traded CF Skye Bolt to Oakland Athletics for cash. |
| May 5, 2021 | Signed as free agent | Dairon De Jesus | — | Athletics | Oakland Athletics signed free agent RHP Dairon De Jesus to a minor league contract. |
| May 1, 2021 | Signed as free agent | Cam Bedrosian | — | Athletics | Oakland Athletics signed free agent RHP Cam Bedrosian to a minor league contract. |
| Date | Type | Player | From | To | Details |
|---|---|---|---|---|---|
| Mar 27, 2021 | Signed as free agent | Deolis Guerra | — | Athletics | Oakland Athletics signed free agent P Deolis Guerra. |
| Mar 27, 2021 | Signed as free agent | Deolis Guerra | — | Athletics | Oakland Athletics signed free agent P Deolis Guerra. |
| Mar 26, 2021 | Released | Deolis Guerra | — | Athletics | Oakland Athletics released P Deolis Guerra. |
| Mar 26, 2021 | Signed as free agent | Deolis Guerra | — | Athletics | Oakland Athletics signed free agent P Deolis Guerra. |
| Date | Type | Player | From | To | Details |
|---|---|---|---|---|---|
| Feb 24, 2021 | Trade | Dustin Fowler | Athletics | Pittsburgh Pirates | Oakland Athletics traded CF Dustin Fowler to Pittsburgh Pirates for cash. |
| Feb 23, 2021 | Signed as free agent | Mitch Moreland | — | Athletics | Oakland Athletics signed free agent 1B Mitch Moreland. |
| Feb 23, 2021 | Signed as free agent | Mitch Moreland | — | Athletics | Oakland Athletics signed free agent 1B Mitch Moreland. |
| Feb 23, 2021 | Signed as free agent | Mitch Moreland | — | Athletics | Oakland Athletics signed free agent 1B Mitch Moreland. |
| Feb 22, 2021 | Signed as free agent | Trevor Rosenthal | — | Athletics | Oakland Athletics signed free agent RHP Trevor Rosenthal. |
| Feb 19, 2021 | Signed as free agent | Yusmeiro Petit | — | Athletics | Oakland Athletics signed free agent RHP Yusmeiro Petit. |
| Feb 19, 2021 | Signed as free agent | Yusmeiro Petit | — | Athletics | Oakland Athletics signed free agent P Yusmeiro Petit. |
| Feb 19, 2021 | Signed as free agent | Yusmeiro Petit | — | Athletics | Oakland Athletics signed free agent P Yusmeiro Petit. |
| Feb 18, 2021 | Signed as free agent | Sergio Romo | — | Athletics | Oakland Athletics signed free agent RHP Sergio Romo. |
| Feb 18, 2021 | Signed as free agent | Sergio Romo | — | Athletics | Oakland Athletics signed free agent P Sergio Romo. |
| Feb 18, 2021 | Signed as free agent | Sergio Romo | — | Athletics | Oakland Athletics signed free agent P Sergio Romo. |
| Feb 16, 2021 | Signed as free agent | Mike Fiers | — | Athletics | Oakland Athletics signed free agent RHP Mike Fiers. |
| Feb 15, 2021 | Signed as free agent | Aaron Brown | — | Athletics | Oakland Athletics signed free agent LHP Aaron Brown to a minor league contract. |
| Feb 12, 2021 | Trade | Adam Kolarek | Los Angeles Dodgers | Athletics | Los Angeles Dodgers traded LHP Adam Kolarek and RF Cody Thomas to Oakland Athletics for 3B Sheldon Neuse and RHP Gus Varland. |
| Feb 10, 2021 | Signed as free agent | Jed Lowrie | — | Athletics | Oakland Athletics signed free agent SS Jed Lowrie to a minor league contract and invited him to spring training. |
| Feb 10, 2021 | Signed as free agent | Jed Lowrie | — | Athletics | Oakland Athletics signed free agent SS Jed Lowrie. |
| Feb 6, 2021 | Trade | Khris Davis | Athletics | Texas Rangers | Oakland Athletics traded LF Khris Davis, C Jonah Heim and RHP Dane Acker to Texas Rangers for SS Elvis Andrus, C Aramis Garcia and cash. |
| Feb 2, 2021 | Signed as free agent | Carlos Pérez | — | Athletics | Oakland Athletics signed free agent C Carlos Perez to a minor league contract and invited him to spring training. |
| Feb 2, 2021 | Signed as free agent | Deolis Guerra | — | Athletics | Oakland Athletics signed free agent RHP Deolis Guerra to a minor league contract and invited him to spring training. |
| Feb 2, 2021 | Signed as free agent | Carlos Pérez | — | Athletics | Oakland Athletics signed free agent C Carlos Perez. |
| Date | Type | Player | From | To | Details |
|---|---|---|---|---|---|
| Jan 30, 2021 | Trade | Cole Irvin | Philadelphia Phillies | Athletics | Philadelphia Phillies traded LHP Cole Irvin to Oakland Athletics for cash. |
| Jan 15, 2021 | Signed as free agent | Dayker Baldallo | — | Athletics | Oakland Athletics signed free agent SS Dayker Baldallo to a minor league contract. |
| Jan 15, 2021 | Signed as free agent | Gimy Rojas | — | Athletics | Oakland Athletics signed free agent RHP Jimmy Rojas to a minor league contract. |
| Jan 15, 2021 | Signed as free agent | Moises Hernandez | — | Athletics | Oakland Athletics signed free agent RHP Moises Hernandez to a minor league contract. |
| Jan 15, 2021 | Signed as free agent | Angel Arevalo | — | Athletics | Oakland Athletics signed free agent OF Angel Arevalo to a minor league contract. |
| Jan 15, 2021 | Signed as free agent | Pedro Pineda | — | Athletics | Oakland Athletics signed free agent OF Pedro Pineda to a minor league contract. |
| Jan 15, 2021 | Signed as free agent | Javier Pariguan | — | Athletics | Oakland Athletics signed free agent C Javier Pariguan to a minor league contract. |
| Jan 15, 2021 | Signed as free agent | Beyker Martinez | — | Athletics | Oakland Athletics signed free agent OF Beyker Martinez to a minor league contract. |
| Jan 15, 2021 | Signed as free agent | Ray Garrett | — | Athletics | Oakland Athletics signed free agent SS Ray Garrett to a minor league contract. |
| Jan 15, 2021 | Signed as free agent | Anderson Machado | — | Athletics | Oakland Athletics signed free agent SS Anderson Machado to a minor league contract. |
| Jan 15, 2021 | Signed as free agent | German Ortiz | — | Athletics | Oakland Athletics signed free agent SS German Ortiz to a minor league contract. |
| Jan 15, 2021 | Signed as free agent | Jesus Perdigon | — | Athletics | Oakland Athletics signed free agent RHP Jesus Perdigon to a minor league contract. |
| Jan 15, 2021 | Signed as free agent | Sulivan Ribeiro | — | Athletics | Oakland Athletics signed free agent LHP Sulivan Ribeiro to a minor league contract. |
| Jan 14, 2021 | Trade | Nik Turley | Pittsburgh Pirates | Athletics | Pittsburgh Pirates traded LHP Nik Turley to Oakland Athletics for cash. |
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.
Oakland rows through 2024 are Oakland Athletics moves: the franchise relocated to West Sacramento for the 2025 season and the feed now lists every row under the current name.
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.