| Date | Player | Position | Transaction |
|---|---|---|---|
| May 23 | Chandler Jones | RDE | Signed/draft choice by New England (Four-year contract (fifth-year option)) |
| May 21 | Nate Ebner | FS | Signed/draft choice by New England (Four-year contract (through 2015)) |
| May 18 | Jon Opperud | T | Signed |
| May 18 | Alfonzo Dennard | LCB | Signed/draft choice by New England (Four-year contract (through 2015)) |
| May 17 | Jeremy Ebert | WR | Signed/draft choice by New England (Four-year contract (through 2015)) |
| May 16 | Landon Cohen | DT | Signed by New England (One-year contract (through 2012)) |
| May 15 | Tavon Wilson | FS | Signed by New England (Four-year contract (through 2015)) |
| May 15 | Wes Welker | WR/PR | Re-signed/franchise by New England (One-year contract (through 2012)) |
| May 15 | Mike Hartline | QB | Cut by New England |
| May 14 | Dorin Dickerson | TE | Signed by New England |
| May 10 | Tiquan Underwood | WR | Signed by New England (Two-year contract (through 2013)) |
| May 10 | Joseph Addai | RB | Signed |
| May 10 | Brandon Bolden | RB | Signed by New England |
| May 10 | Marcus Forston | DT | Signed by New England |
| May 10 | Justin Francis | DE | Signed by New England |
| May 10 | Brad Herman | TE | Signed by New England |
| May 10 | Matt Roark | WR | Signed by New England |
| May 10 | Jeremiah Warren | G | Signed by New England |
| May 10 | Markus Zusevics | T | Signed by New England |
| May 7 | Matt Light | T | Retired by New England |
| May 7 | Jabar Gaffney | WR | Signed |
| May 3 | Gerard Warren | RDT | Re-signed/unrest FA by New England |
| May 3 | Tiquan Underwood | WR | Cut by New England |