| Date | Player | Position | Transaction |
|---|---|---|---|
| May 24 | Quentin Groves | LOLB | Signed/unrest FA by Oakland |
| May 22 | Kyle Newhall-Caballero | QB | Signed by Oakland |
| May 15 | Owen Schmitt | RB | Signed/unrest FA (one-year contract) |
| May 15 | Eddie Carmona | K | Signed by Oakland |
| May 15 | Wayne Dorsey | DE | Signed by Oakland |
| May 15 | Kevin Haslam | T | Signed |
| May 15 | LeQuan Lewis | CB | Signed |
| May 15 | Tre'Shawn Robinson | RB | Signed by Oakland |
| May 15 | Travionte Session | WR | Signed by Oakland |
| May 14 | Kyle Efaw | TE | Signed by Oakland |
| May 11 | Conroy Black | CB | Signed by Oakland |
| May 11 | Kaelin Burnett | LB | Signed by Oakland |
| May 11 | Derek Carrier | WR | Signed by Oakland |
| May 11 | Brandon Carswell | WR | Signed by Oakland |
| May 11 | Dominique Hamilton | DT | Signed by Oakland |
| May 11 | Aaron Henry | S | Signed by Oakland |
| May 11 | Marquette King | P | Signed by Oakland |
| May 11 | Dan Knapp | T | Signed by Oakland |
| May 11 | Mario Kurn | LB | Signed by Oakland |
| May 11 | Thomas Mayo | WR | Signed by Oakland |
| May 11 | Lucas Nix | G | Signed by Oakland |
| May 11 | Chaz Powell | S | Signed by Oakland |
| May 11 | Rod Streater | WR | Signed by Oakland |
| May 8 | Colin Miller | C | Signed |
| May 7 | Tyvon Branch | SS | Re-signed/franchise by Oakland (One-year contract (through 2012)) |
| May 2 | Ed Wang | LOT | Signed |
| May 1 | Matt Leinart | QB | Signed |