| 9/1/11 |
Boston Red Sox traded RHP Jason Rice to Oakland Athletics for LF Conor Jackson. |
| 9/2/11 |
Oakland Athletics activated RHP Michael Wuertz from the 15-day disabled list. |
| 9/2/11 |
Oakland Athletics placed 1B Daric Barton on the 60-day disabled list. |
| 9/2/11 |
Oakland Athletics selected the contract of Andrew Carignan from Sacramento River Cats. |
| 9/2/11 |
Oakland Athletics recalled Adam Rosales from Sacramento River Cats. |
| 9/2/11 |
Oakland Athletics recalled Michael Taylor from Sacramento River Cats. |
| 9/2/11 |
Oakland Athletics recalled Daric Barton from Sacramento River Cats. |
| 9/3/11 |
Oakland Athletics activated LHP Brian Fuentes from the bereavement list. |
| 9/6/11 |
Cleveland Indians claimed RHP Jason Rice off waivers from Oakland Athletics. |
| 9/10/11 |
Oakland Athletics recalled C Landon Powell from Sacramento River Cats. |
| 9/11/11 |
Oakland Athletics selected the contract of CF Jai Miller from Sacramento River Cats. |
| 9/17/11 |
Oakland Athletics recalled Chris Carter from Sacramento River Cats. |
| 9/17/11 |
Oakland Athletics recalled Graham Godfrey from Sacramento River Cats. |
| 9/27/11 |
Oakland Athletics placed RHP Joey Devine on the 60-day disabled list. right rhomboid strain. |
| 9/27/11 |
Sacramento River Cats Traded RHP Ethan Hollingsworth to Omaha Storm Chasers and Kansas City Royals Traded 1B Kila Ka'aihue to Oakland Athletics. |
