Athletics Roster & Staff
Transactions
| Date | Transaction |
| 06/30/11 | C Daniel Welch assigned to AZL Athletics from Oakland Athletics. |
| 06/30/11 | Oakland Athletics traded 2B Mark Ellis to Colorado Rockies for RHP Bruce Billings. |
| 06/30/11 | Oakland Athletics traded 2B Mark Ellis to Colorado Rockies for RHP Bruce Billings. |
| 06/30/11 | Oakland Athletics traded RHP Mickey Storey to Houston Astros. |
| 06/29/11 | Oakland Athletics signed C Daniel Welch. |
| 06/28/11 | Oakland Athletics signed OF Dusty Robinson. |
| 06/28/11 | Oakland Athletics signed 2B Austin Booker. |
| 06/28/11 | Oakland Athletics placed RHP Grant Balfour on the 15-day disabled list retroactive to June 22, 2011. Strained right oblique |
| 06/28/11 | Oakland Athletics recalled Trystan Magnuson from Sacramento River Cats. |
| 06/26/11 | Blake Treinen assigned to AZL Athletics from Oakland Athletics. |
| 06/23/11 | Oakland Athletics recalled Chris Carter from Sacramento River Cats. |
| 06/23/11 | Chris Carter roster status changed by Oakland Athletics. |
| 06/23/11 | Oakland Athletics placed LF Josh Willingham on the 15-day disabled list retroactive to June 18, 2011. Strained left achilles. |
| 06/22/11 | Mark Ellis roster status changed by Oakland Athletics. |
| 06/22/11 | Oakland Athletics optioned 1B Daric Barton to Sacramento River Cats. |
| 06/20/11 | Eric Potter assigned to AZL Athletics from Oakland Athletics. |
| 06/20/11 | Nick Rickles assigned to AZL Athletics from Oakland Athletics. |
| 06/20/11 | Shane Boras assigned to AZL Athletics from Oakland Athletics. |
| 06/20/11 | Rhett Stafford assigned to AZL Athletics from Oakland Athletics. |
| 06/20/11 | Nate Eppley assigned to AZL Athletics from Oakland Athletics. |
| 06/20/11 | Andres Avila assigned to AZL Athletics from Oakland Athletics. |
| 06/20/11 | RHP Thomas Girdwood assigned to AZL Athletics from Oakland Athletics. |
| 06/20/11 | Drew Granier assigned to AZL Athletics from Oakland Athletics. |
| 06/19/11 | Oakland Athletics signed 2B Shane Boras. |
| 06/16/11 | Brent Powers assigned to Vermont Lake Monsters from Oakland Athletics. |
| 06/16/11 | RHP Kurt Wunderlich assigned to Vermont Lake Monsters from Oakland Athletics. |
| 06/16/11 | T.J. Walz assigned to Vermont Lake Monsters from Oakland Athletics. |
| 06/16/11 | Jacob Tanis assigned to Vermont Lake Monsters from Oakland Athletics. |
| 06/16/11 | OF Xavier Macklin assigned to Vermont Lake Monsters from Oakland Athletics. |
| 06/16/11 | Sean Jamieson assigned to Vermont Lake Monsters from Oakland Athletics. |
| 06/16/11 | Beau Taylor assigned to Vermont Lake Monsters from Oakland Athletics. |
| 06/16/11 | Tanner Peters assigned to Vermont Lake Monsters from Oakland Athletics. |
| 06/16/11 | Nathan Kilcrease assigned to Vermont Lake Monsters from Oakland Athletics. |
| 06/16/11 | Sam Roberts assigned to Vermont Lake Monsters from Oakland Athletics. |
| 06/15/11 | Oakland Athletics signed free agent Andres Avila. |
| 06/14/11 | Oakland Athletics signed OF Rhett Stafford. |
| 06/14/11 | Oakland Athletics signed OF Bobby Crocker. |
| 06/14/11 | Oakland Athletics signed C Beau Taylor. |
| 06/14/11 | Oakland Athletics signed OF Dayton Alexander. |
| 06/14/11 | Oakland Athletics signed Blake Treinen. |
| 06/14/11 | Oakland Athletics signed OF Xavier Macklin. |
| 06/14/11 | Oakland Athletics signed 3B Jacob Tanis. |
| 06/14/11 | Oakland Athletics signed C Nick Rickles. |
| 06/14/11 | Oakland Athletics signed RHP T.J. Walz. |
| 06/14/11 | Oakland Athletics signed RHP Tanner Peters. |
| 06/14/11 | Oakland Athletics signed SS Sean Jamieson. |
| 06/14/11 | Oakland Athletics signed LHP Brent Powers. |
| 06/14/11 | Oakland Athletics signed LHP Eric Potter. |
| 06/14/11 | Oakland Athletics signed RHP Kurt Wunderlich. |
| 06/14/11 | Oakland Athletics signed RHP Berry Tanner. |
| 06/14/11 | Oakland Athletics signed SS Sam Roberts. |
| 06/14/11 | Oakland Athletics signed RHP Thomas Girdwood. |
| 06/14/11 | Oakland Athletics signed RHP Nate Eppley . |
| 06/14/11 | Oakland Athletics signed RHP Nathan Kilcrease. |
| 06/14/11 | Oakland Athletics signed RHP Drew Granier. |
| 06/10/11 | Oakland Athletics optioned LHP Bobby Cramer to Sacramento River Cats. |
| 06/10/11 | Oakland Athletics selected the contract of Graham Godfrey from Sacramento River Cats. |
| 06/10/11 | Oakland Athletics sent Kevin Kouzmanoff outright to Sacramento River Cats. |
| 06/09/11 | Max Perlman assigned to AZL Athletics from Oakland Athletics. |
| 06/09/11 | Chad Oberacker assigned to AZL Athletics from Oakland Athletics. |
| 06/08/11 | Oakland Athletics signed RHP Max Perlman. |
| 06/08/11 | Oakland Athletics signed OF Chad Oberacker. |
| 06/08/11 | Oakland Athletics sent 3B Andy LaRoche outright to Sacramento River Cats. |
| 06/07/11 | Oakland Athletics placed 2B Mark Ellis on the 15-day disabled list. Right hamstring strain. |
| 06/07/11 | Oakland Athletics selected the contract of Jemile Weeks from Sacramento River Cats. |
| 06/07/11 | Oakland Athletics transferred LHP Dallas Braden from the 15-day disabled list to the 60-day disabled list. |
| 06/07/11 | Oakland Athletics placed LHP Brett Anderson on the 15-day disabled list retroactive to June 6, 2011. Left ellbow soreness. |
| 06/07/11 | Oakland Athletics recalled Bobby Cramer from Sacramento River Cats. |
| 06/06/11 | Adam Rosales roster status changed by Oakland Athletics. |
| 06/06/11 | Oakland Athletics optioned Kevin Kouzmanoff to Sacramento River Cats. |
| 06/06/11 | Oakland Athletics optioned Fautino De Los Santos to Sacramento River Cats. |
| 06/06/11 | Oakland Athletics recalled Scott Sizemore from Sacramento River Cats. |
| 06/05/11 | Oakland Athletics activated RHP Grant Balfour from the paternity list. |
| 06/05/11 | Oakland Athletics designated Andy LaRoche for assignment. |
| 06/04/11 | C Gregorio Mendez assigned to DSL Athletics from Oakland Athletics. |
| 06/03/11 | Oakland Athletics signed C Gregorio Mendez. |
| 06/03/11 | Oakland Athletics recalled Fautino De Los Santos from Sacramento River Cats. |