| Last updated: Sat, May 19, 2012, 21:42 EDT |
| Date | Player | Pos. | Transaction |
| 5/15 | Wallace Miles | WR | signed, One-year contract (though 2012) |
| 5/15 | Jerome Harrison | RB | reserve/non-football-injury, illness |
| 5/15 | Sam Proctor | S | signed, One-year contract (through 2012) |
| 5/11 | Dwight Bentley | CB | signed/draft choice, Four-year contract (through 2015) |
| 5/10 | Troy Burrell | WR | signed |
| 5/10 | Austin Wells | TE | signed |
| 5/10 | Ronnie Sneed | LB | signed |
| 5/10 | J.C. Oram | G | signed |
| 5/10 | Kellen Moore | QB | signed |
| 5/10 | Carmen Messina | LB | signed |
| 5/10 | Edmon McClam | DE | signed |
| 5/10 | Alonzo Lawrence | S | signed |
| 5/10 | Jared Karstetter | WR | signed |
| 5/10 | Stephfon Green | RB | signed |
| 5/10 | Alex Gottlieb | TE | signed |
| 5/10 | Patrick Edwards | WR | signed |
| 5/10 | Derek Dimke | K | signed |
| 5/10 | Michael Cosgrove | DT | signed |
| 5/10 | Pat Boyle | G | signed |
| 5/10 | Quinn Barham | T | signed |
| 5/10 | Rodney Austin | G | signed |
| 5/10 | Jonte Green | CB | signed/draft choice, Four-year contract (through 2015) |
| 5/10 | Travis Lewis | LB | signed/draft choice, Four-year contract (through 2015) |
| 5/10 | Ronnell Lewis | LB | signed/draft choice, Four-year contract (through 2015) |
| 5/10 | Ryan Broyles | WR | signed/draft choice, Four-year contract (through 2015) |
| 5/10 | Tahir Whitehead | LB | signed/draft choice, Four-year contract (through 2015) |
| 5/10 | Chris Greenwood | CB | signed/draft choice, Four-year contract (through 2015) |
| 5/1 | Lance Long | WR | signed |
| 4/19 | Sammie Hill | DT | re-signed/restricted free agent, One-year contract (through 2012) |
| 4/16 | Corey Hilliard | T | re-signed/restricted free agent, One-year contract (through 2012) |
| 4/16 | DeAndre Levy | LB | re-signed/restricted free agent, One-year contract (through 2012) |
| 3/27 | Kevin Smith | RB | re-signed/unrestricted free agent, One-year contract (through 2012) |
| 3/22 | Ashlee Palmer | LB | re-signed/unrestricted free agent, One-year contract (through 2012) |
| 3/22 | Everette Brown | DE | signed, One-year contract (through 2012) |
| 3/22 | Will Heller | TE | signed, One-year contract (through 2012) |
| 3/21 | Don Muhlbach | C | re-signed/unrestricted free agent |
| 3/20 | Andre Fluellen | DT | re-signed/unrestricted free agent |
| 3/20 | Stephen Tulloch | LB | re-signed/unrestricted free agent, Five-year contract (through 2016) |
| 3/20 | Jacob Lacey | CB | signed/unrestricted free agent |
| 3/19 | Ben Graham | P | re-signed/unrestricted free agent, One-year contract (through 2012) |
| 3/17 | Jeff Backus | T | re-signed/unrestricted free agent, Two-year contract (through 2013) |
| 3/17 | Shaun Hill | QB | re-signed/unrestricted free agent, Two-year contract (through 2013) |
| 3/15 | Erik Coleman | S | re-signed/unrestricted free agent, One-year contract (through 2012) |
| 3/15 | James Bryant | RB | signed |
| 3/14 | Calvin Johnson | WR | re-signed, Seven-year extension (through 2019) |
| 3/13 | Sammie Hill | DT | Restricted Free Agent |
| 3/13 | Corey Hilliard | T | Restricted Free Agent |
| 3/13 | DeAndre Levy | LB | Restricted Free Agent |
| 3/13 | Jeff Backus | T | declared free agent |
| 3/13 | Bobby Carpenter | LB | declared free agent |
| 3/13 | Erik Coleman | S | declared free agent |
| 3/13 | Leonard Davis | G | declared free agent |
| 3/13 | Rashied Davis | WR | declared free agent |
| 3/13 | Isaiah Ekejiuba | LB | declared free agent |
| 3/13 | Andre Fluellen | DT | declared free agent |
| 3/13 | Ben Graham | P | declared free agent |
| 3/13 | Chris Harris | S | declared free agent |
| 3/13 | Shaun Hill | QB | declared free agent |
| 3/13 | Brandon McDonald | CB | declared free agent |
| 3/13 | Maurice Morris | RB | declared free agent |
| 3/13 | Don Muhlbach | C | declared free agent |
| 3/13 | Kevin Smith | RB | declared free agent |
| 3/13 | Drew Stanton | QB | declared free agent |
| 3/13 | Maurice Stovall | WR | declared free agent |
| 3/13 | Stephen Tulloch | LB | declared free agent |
| 3/13 | Eric Wright | CB | declared free agent |
| 3/13 | Ashlee Palmer | LB | declared free agent |
| 3/12 | Will Heller | TE | cut |
| 3/5 | Cliff Avril | DE | Designated franchise player |
| 1/10 | Nathan Overbay | TE | signed |
| 1/10 | Ross Weaver | CB | signed |
| 1/10 | Terrence Toliver | WR | signed |
| 1/10 | Slade Norris | LB | signed |
| 1/10 | Jacques McClendon | G | signed |
| 1/10 | Nate Hughes | WR | signed |
| 1/10 | Marcus Harris | WR | signed |
| 1/10 | Dan Gerberry | C | signed |
| 1/10 | Ugo Chinasa | DE | signed |
| 12/28 | Aaron Brown | RB | cut |
| 12/28 | Joique Bell | RB | signed, Two-year contract |
| 12/27 | Ross Weaver | CB | practice squad addition |
| 12/27 | Brandon Stephens | CB | practice squad deletion |
| 12/23 | Keyunta Dawson | DE | cut |
| 12/23 | Brandon McDonald | CB | signed |
| 12/14 | Jovan Haye | DT | cut |
| 12/13 | Ndamukong Suh | DT | suspension lifted |
| 12/9 | Brandon McDonald | CB | cut |
| 12/9 | Jovan Haye | DT | signed |
| 12/6 | Vincent Fuller | S | Taken off IR, elbow |
| 12/6 | Vincent Fuller | S | cut |
| 11/30 | Nate Hughes | WR | practice squad deletion |
| 11/30 | Keyunta Dawson | DE | signed, One-year contract |
| 11/30 | Marcus Harris | WR | practice squad addition |
| 11/29 | Brandon Stephens | CB | practice squad addition |
| 11/29 | Ricardo Silva | S | Activated from the Practice Squad |
| 11/29 | Ndamukong Suh | DT | suspended, 2 games (unsportsmanlike conduct) |
| 11/29 | Ryan Donahue | P | Placed on IR, right quadriceps |
| 11/28 | Aaron Brown | RB | signed |
| 11/25 | Jahvid Best | RB | Placed on IR, concussion |
| 11/22 | Aaron Lavarias | DE | practice squad deletion |
| 11/22 | Slade Norris | LB | practice squad addition |
| More Transactions |
