| Team Transactions |
| DATE | TRANSACTION |
| November 11, 2009 | Signed LB Thomas Williams to the practice squad. |
| November 6, 2009 | Released G Kendall Simmons. |
| October 21, 2009 | Released WR Joey Galloway and TE Michael Matthews. |
| October 15, 2009 | Signed LB Junior Seau. Released DL Terdell Sands. |
| September 24, 2009 | Signed C Ryan Wendell to the practice squad. Released OT Patrick Brown from the practice squad. |
| September 23, 2009 | Acquired LB Prescott Burgess from Baltimore for a conditional seventh-round draft pick. |
| September 8, 2009 | TE Robert Agnone added to practice squad |
| September 7, 2009 | WR Greg Lewis cut; S Bret Lockett acquired from waivers; DT Titus Adams added to practice squad; WR Terrence Nunn added to practice squad; DT Darryl Richard added to practice squad; OT Patrick Brown added to practice squad; DT Adrian Grady added to practice squad; WR Isaiah Stanback added to practice squad; CB DeAngelo Willingham added to practice squad |
| September 6, 2009 | S Bret Lockett cut; OG Kendall Simmons signed/unrestricted free agent |
| September 5, 2009 | OT Patrick Brown cut; WR Isaiah Stanback cut; CB DeAngelo Willingham cut; DT Adrian Grady cut; DT Titus Adams cut; CB Jamar Love cut; WR Terrence Nunn cut; DT Darryl Richard cut; TE Robert Agnone cut; OT Wesley Britt cut; S Herana-Daze Jones cut; LB Paris Lenon cut; S Raymond Ventrone cut; TE Michael Matthews acquired via trade from the New York Giants |
| September 4, 2009 | WR Robert Ortiz cut; S Roderick Rogers cut; DT Steve Williams cut; LB Vinny Ciurciu cut; QB Andrew Walter cut; G Billy Yates cut; G Matt McChesney cut |
| August 31, 2009 | LB Tedy Bruschi retired; C Nathan Hodel cut; OT Mark LeVoir placed on PUP list; LB Tyrone McKenzie placed on PUP list; WR Brandon Tate placed on PUP list; G Darnell Stapleton placed on PUP list; OT Marvel Smith placed on PUP list |
| August 26, 2009 | Signed wide receiver Robert Ortiz. |
| August 26, 2009 | Traded offensive lineman Russ Hochstein to the Denver Broncos for an undisclosed draft choice; signed linebacker Tyrone McKenzie; released safety Tank Williams. |
| August 23, 2009 | Released tight end Tyson DeVree. |
| August 19, 2009 | Signed safety Roderick Rogers. |
| August 18, 2009 | Signed running back Chris Taylor; placed wide receiver Shun White on the reserve/military list; traded defensive lineman Le Kevin Smith to the Denver Broncos for an undisclosed draft pick. |
| August 8, 2009 | Acquired defensive end Derrick Burgess from the Oakland Raiders for offensive lineman Al Johnson. |
| August 3, 2009 | Signed quarterback Andrew Walter; released quarterback Matt Gutierrez. |
| August 2, 2009 | Signed linebacker Rob Ninkovich and defensive back Jamar Love; released linebacker Vince Redd. |
| August 1, 2009 | Waived punter Tom Malone. |
| July 29, 2009 | Signed longsnapper Jake Ingram; released defensive back Jamar Love. |
| July 29, 2009 | Signed defensive back Herana-Daze Jones; released offensive lineman Jermail Porter. |
| July 28, 2009 | Signed safety Patrick Chung; released safety Antwain Spann. |
| July 25, 2009 | Signed quarterback Julian Edelman. |
| July 24, 2009 | Signed defensive linemen Ron Brace and Myron Pryor, offensive linemen Sebastian Vollmer and George Bussey and wide receivers Brandon Tate and Julian Edelman; waived wide receiver Robert Ortiz; placed running back Eric Kettani and wide receiver Tyree Barnes on the reserve/military list. |
| July 16, 2009 | Signed defensive lineman Darryl Richard. |
| July 14, 2009 | Signed cornerback Darius Butler. |
| June 16, 2009 | Signed guard Rich Ohrnberger. |
| June 11, 2009 | Released running back Patrick Pass. |
| June 5, 2009 | Signed running back Patrick Pass; released defensive lineman Kenny Smith, linebacker Angelo Craig, running back Omar Cuff and safety Marcus McClinton. |
| June 5, 2009 | Announced the retirement of safety Rodney Harrison. |
| June 2, 2009 | Re-signed punter Tom Malone. |
| May 30, 2009 | Released punter Aaron Perez. |