 |
Player | Position | Former Team | New Team | Transaction date | Notes | |
| 1. | Accardo, Jeremy | RP | OAK | WSH | 2/05/13 | Minor league contract | |
| 2. | Balfour, Grant | RP | OAK | OAK | 10/29/12 | Club option exercised | |
| 3. | Bowers, Cedrick | RP | OAK | --- | --- | Minor league free agent | |
| 4. | Breslow, Craig | RP | OAK | ARI | 12/09/11 | Traded with Trevor Cahill for Jarrod Parker, Ryan Cook and Collin Cowgill | |
| 5. | Crisp, Coco | OF | OAK | OAK | 1/05/12 | Two years with a club option for 2014 | |
| 6. | DeJesus, David | OF | OAK | CHC | 11/30/11 | Two-year deal with option | |
| 7. | Duchscherer, Justin | SP | OAK | BAL | 2/04/11 | One-year contract | |
| 8. | Gomes, Jonny | DH | OAK | BOS | 12/01/12 | Two-year contract | |
| 9. | Gross, Gabe | OF | OAK | SEA | 2/04/11 | Minor league contract | |
| 10. | Harden, Rich | SP | OAK | MIN | 12/21/12 | Minor league contract | |
| 11. | Inge, Brandon | 3B | OAK | PIT | 2/13/13 | Minor league contract | |
| 12. | Iwamura, Akinori | 3B | OAK | --- | 11/14/10 | Signed with Rakuten Eagles, Japanese Pacific League | |
| 13. | Lerew, Anthony | RP | KC | OAK | 11/16/10 | Minor league contract | |
| 14. | Mazzaro, Vin | P | OAK | KC | 11/10/10 | Traded with Justin Marks for David DeJesus. | |
| 15. | McCarthy, Brandon | SP | OAK | ARI | 12/11/12 | Two-year contract | |
| 16. | Miller, Jai | OF | OAK | BAL | 1/03/12 | Traded for cash | |
| 17. | Moore, Scott | 3B | HOU | OAK | 11/29/12 | Minor league contract | |
| 18. | Moss, Brandon | OF | PHI | OAK | 11/19/11 | Minor league contract | |
| 19. | Ramirez, Manny | DH | --- | OAK | 2/20/12 | Minor league contract | |
| 20. | Sheets, Ben | SP | OAK | --- | --- | --- | |
| 21. | Willingham, Josh | OF | OAK | MIN | 12/15/11 | Three-year, $21 million deal | |
| 22. | Ziegler, Brad | P | OAK | OAK | 1/15/11 | Agrees to one-year deal. | |
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