| Last updated: Sat, May 26, 2012, 02:03 EDT |
| Date | Player | Pos. | Transaction |
| 5/23 | Chandler Jones | DE | signed/draft choice, Four-year contract (fifth-year option) |
| 5/21 | Nate Ebner | S | signed/draft choice, Four-year contract (through 2015) |
| 5/18 | Alfonzo Dennard | CB | signed/draft choice, Four-year contract (through 2015) |
| 5/18 | Jon Opperud | T | signed |
| 5/17 | Jeremy Ebert | WR | signed/draft choice, Four-year contract (through 2015) |
| 5/15 | Mike Hartline | QB | cut |
| 5/15 | Tavon Wilson | S | signed, Four-year contract (through 2015) |
| 5/15 | Wes Welker | WR | re-signed/franchise, One-year contract (through 2012) |
| 5/10 | Markus Zusevics | T | signed |
| 5/10 | Jeremiah Warren | G | signed |
| 5/10 | Joseph Addai | RB | signed |
| 5/10 | Matt Roark | WR | signed |
| 5/10 | Brandon Bolden | RB | signed |
| 5/10 | Marcus Forston | DT | signed |
| 5/10 | Justin Francis | DE | signed |
| 5/10 | Brad Herman | TE | signed |
| 5/7 | Matt Light | T | retired |
| 5/7 | Jabar Gaffney | WR | signed |
| 5/3 | Gerard Warren | DT | re-signed/unrestricted free agent |
| 5/3 | Tiquan Underwood | WR | cut |
| 4/24 | Matt Light | T | retired |
| 4/16 | Dan Koppen | C | re-signed/unrestricted free agent, Two-year contract (through 2013) |
| 4/16 | Chris Koepplin | K | signed |
| 4/5 | Bobby Carpenter | LB | signed/unrestricted free agent |
| 3/30 | Deion Branch | WR | re-signed/unrestricted free agent, One-year contract (through 2012) |
| 3/30 | Tony Fiammetta | RB | signed/unrestricted free agent |
| 3/30 | Spencer Larsen | RB | signed/unrestricted free agent, Two-year contract (through 2013) |
| 3/26 | Lousaka Polite | RB | cut |
| 3/23 | Donte' Stallworth | WR | signed/unrestricted free agent, One-year contract (through 2012) |
| 3/23 | Brian Hoyer | QB | re-signed/restricted free agent |
| 3/22 | Deion Branch | WR | re-signed/unrestricted free agent, One-year contract (through 2012) |
| 3/22 | Spencer Larsen | RB | signed/unrestricted free agent, Two-year contract (through 2013) |
| 3/21 | Will Allen | CB | signed/unrestricted free agent, One-year contract (through 2012) |
| 3/21 | Robert Gallery | G | signed |
| 3/20 | Daniel Fells | TE | signed/unrestricted free agent, Three-year contract (through 2014) |
| 3/20 | Dan Connolly | G | re-signed/unrestricted free agent |
| 3/20 | Brandon Lloyd | WR | signed/unrestricted free agent, Three-year contract (through 2014) |
| 3/20 | Christian Cox | LB | cut |
| 3/20 | Jonathan Fanene | DE | signed/unrestricted free agent, Three-year contract (though 2014) |
| 3/19 | Marquice Cole | CB | signed/unrestricted free agent |
| 3/19 | Trevor Scott | DE | signed/unrestricted free agent, One-year contract (through 2012) |
| 3/17 | Anthony Gonzalez | WR | signed/unrestricted free agent |
| 3/16 | Steve Gregory | S | signed/unrestricted free agent, Three-year contract (through 2014) |
| 3/16 | Tracy White | LB | re-signed/unrestricted free agent |
| 3/15 | Matthew Slater | WR | re-signed/unrestricted free agent |
| 3/15 | Marcus Harrison | DT | signed |
| 3/14 | Jonathan Fanene | DE | signed/unrestricted free agent, Three-year contract (though 2014) |
| 3/13 | Kevin Faulk | RB | declared free agent |
| 3/13 | BenJarvus Green-Ellis | RB | declared free agent |
| 3/13 | Gary Guyton | LB | declared free agent |
| 3/13 | James Ihedigbo | S | declared free agent |
| 3/13 | Nate Jones | CB | declared free agent |
| 3/13 | Dan Koppen | C | declared free agent |
| 3/13 | Antwaun Molden | CB | declared free agent |
| 3/13 | Gerard Warren | DT | declared free agent |
| 3/13 | Tracy White | LB | declared free agent |
| 3/13 | Shaun Ellis | DE | declared free agent |
| 3/13 | Dan Connolly | G | declared free agent |
| 3/13 | Deion Branch | WR | declared free agent |
| 3/13 | Mark Anderson | DE | declared free agent |
| 3/13 | Brian Hoyer | QB | Restricted Free Agent |
| 3/13 | Matthew Slater | WR | declared free agent |
| 3/13 | Kyle Love | DT | re-signed/exclusive rights free agent |
| 3/13 | Niko Koutouvides | LB | re-signed |
| 3/13 | Andre Carter | DE | declared free agent |
| 3/13 | Bret Lockett | S | declared free agent |
| 3/5 | Wes Welker | WR | Designated franchise player |
| 1/26 | Carson Butler | TE | practice squad addition |
| 1/25 | Dorin Dickerson | WR | practice squad deletion |
| 1/4 | Garrett Mills | TE | practice squad deletion |
| 1/4 | Britt Davis | WR | practice squad addition |
| 12/31 | Alex Silvestro | DE | practice squad addition |
| 12/31 | Malcolm Williams | CB | Activated from the Practice Squad |
| 12/29 | Alex Silvestro | DE | cut |
| 12/28 | Aaron Lavarias | DE | practice squad addition |
| 12/28 | Ross Ventrone | S | practice squad addition |
| 12/27 | Lousaka Polite | RB | signed |
| 12/27 | Malcolm Williams | CB | practice squad addition |
| 12/26 | Cedric McKinley | DE | practice squad deletion |
| 12/26 | Ross Ventrone | S | cut |
| 12/23 | Vincent Fuller | S | cut |
| 12/23 | Alex Silvestro | DE | Activated from the Practice Squad |
| 12/23 | Sterling Moore | S | Activated from the Practice Squad |
| 12/21 | Vincent Fuller | S | signed |
| 12/20 | Andre Carter | DE | Placed on IR, left quadriceps |
| 12/20 | Cedric McKinley | DE | practice squad addition |
| 12/20 | Eric Moore | DE | cut |
| 12/17 | Ross Ventrone | S | Activated from the Practice Squad |
| 12/17 | Jerod Mayo | LB | re-signed, Five-year extension (through 2017) |
| 12/15 | Malcolm Williams | CB | cut |
| 12/14 | Sterling Moore | S | practice squad addition |
| 12/10 | Malcolm Williams | CB | Activated from the Practice Squad |
| 12/10 | Sterling Moore | S | cut |
| 12/10 | Jermaine Cunningham | LB | Placed on IR, hamstring |
| 12/10 | Eric Moore | DE | signed |
| 12/7 | Dorin Dickerson | WR | practice squad addition |
| 12/4 | Nick McDonald | G | Activated from the Practice Squad |
| 12/3 | Taylor Price | WR | cut |
| 12/3 | Nick McDonald | G | Activated from the Practice Squad |
| 11/30 | Nate Jones | CB | signed |
| 11/29 | Phillip Adams | CB | cut |
| More Transactions |
