November
- Date
- Transaction
- 11/18/09
- Placed RB Ronnie Brown on Injured Reserve; Signed S Nate Ness from the Practice Squad
- 11/14/09
- Signed TE Kory Sperry from the Practice Squad
- 11/13/09
- Released LB J.D. Folsom
- 11/8/09
- Signed LB J.D. Folsom from the Practice Squad; Released LB William Kershaw
October
- Date
- Transaction
- 10/31/09
- Activated LB Matt Roth off Non-Football Injury list; Released TE John Nalbone
- 10/27/09
- Signed LB William Kershaw; Placed CB Will Allen on Injured Reserve
- 10/20/09
- Signed T Lydon Murtha off the practice squad of the Detroit Lions; Waived G Shawn Murphy
- 10/14/09
- Signed RB Kory Sheets off the practice squad of the San Francisco 49ers; Placed RB Patrick Cobbs on Injured Reserve
September
- Date
- Transaction
- 9/29/09
- Acquired QB Tyler Thigpen from Kansas City for an undisclosed 2010 draft choice; Placed QB Chad Pennington on Injured Reserve
- 9/7/09
- Waived/Injured TE Davon Drew; Signed T Nate Garner from the Practice Squad
- 9/7/09
- Placed TE David Martin on Injured Reserve; Signed TE Davon Drew
- 9/5/09
- Placed Matt Roth on Reserve/Non-Football Injury List; Waived DE Ryan Barker, CB Will Billingsley, S Courtney Bryan, LB J.D. Folsom, T Brandon Frye, T Nate Garner, LB William Kershaw, C/G Mark Lewis, WR Brandon London, WR James Robinson, CB Joey Thomas, DE Rodrique Wright
August
- Date
- Transaction
- 8/29/09
- Waived WR Anthony Armstrong, K Connor Barth and NT Louis Ellis; Waived/Injured FB Joe Kowalewski
- 8/23/09
- Traded C/G Andy Alleman and G/T Ike Ndukwe to Kansas City for undisclosed 2010 draft pick; Terminated the contract of TE Ernest Wilford; Waived DT Joe Cohen, LB Tearrius George, RB Anthony Kimble and LB Orion Martin; Waived/Injured WR Chris Williams
- 8/19/09
- Terminated the contract of CB Eric Green
- 8/11/09
- Signed FB Joe Kowalewski
- 8/10/09
- Signed WR James Robinson and K Connor Barth; Waived FB Matt Quillen
- 8/7/09
- Placed S Ethan Kilmer on the Reserve/Left Team list
- 8/6/09
- Signed FB Matt Quillen; Waived FB Chris Brown; Announced T SirVincent Rogers left the team
- 8/5/09
- Waived/Injured WR Brennan Marion
- 8/2/09
- Signed FS Chris Clemons and QB Pat White; Waived G J.D. Quinn and Placed TE Jared Bronson on the Reserve/Did Not Report list
- 8/1/09
- Signed CB Vontae Davis
July
- Date
- Transaction
- 7/24/09
- Signed CB Sean Smith
- 7/15/09
- Signed WR Brian Hartline
- 7/3/09
- Signed WR Patrick Turner and LB JD Folsom
June
- Date
- Transaction
- 6/22/09
- Signed S Tyrone Culver to a multi-year contract extension
- 6/18/09
- Signed OL Andrew Gardner
- 6/15/09
- Released CB Scorpio Babers and P Jy Bond
- 6/1/09
- Released WR Todd Lowber
May
- Date
- Transaction
- 5/26/09
- Signed CB Will Allen to a multi-year contract extension
- 5/21/09
- Signed TE John Nalbone
- 5/16/09
- Signed FB Lousaka Polite to a multi-year contract extension
- 5/13/09
- Signed LB Jason Taylor
- 5/11/09
- Signed OL J.D. Quinn
April
- Date
- Transaction
- 4/30/09
- Signed DE Ryan Baker, TE Jared Bronson, NT Louis Ellis, RB Anthony Kimble, G Mark Lewis, WR Brennan Marion, DE Orion Martin, T SirVincent Rogers, WR Chris Williams as Undrafted Rookie Free Agents
- 4/27/09
- Released QB John Beck
- 4/26/09
- Traded a 2009 seveth-round draft choice (237th overall) to Kansas City in exchange for a seventh-round choice in 2010
- 4/25/09
- Traded a 2009 second-round draft choice (56th overall) to Indianapolis in exchange for two 2009 draft choices (61st and 165th overall)
- 4/25/09
- Signed P Jy Bond
March
- Date
- Transaction
- 3/23/09
- Traded C Samson Satele to Oakland in exchange for an undisclosed 2009 draft choice
- 3/20/09
- Acquired DT Tony McDaniel from Jacksonville in exchange for an undisclosed 2009 draft choice
- 3/12/09
- Signed CB Eric Green as a free agent
- 3/3/09
- Signed C Jake Grove (Oakland) as an unrestricted free agent
- 3/2/09
- Released DE Vonnie Holliday
February
- Date
- Transaction
- 2/27/09
- Signed G/C Joe Berger (Dallas) as an unrestricted free agent
- 2/26/09
- Signed S Yeremiah Bell to a contract extension; Signed S Gibril Wilson
- 2/25/09
- Signed LB Channing Crowder to a contract extension
- 2/21/09
- Named Darren Rizzi Assistant Special Teams Coach
- 2/20/09
- Signed T Vernon Carey to a contract extension
- 2/2/09
- Awarded LB Tearrius George off waivers from New Orleans
January
- Date
- Transaction
- 1/19/09
- Signed LB Cameron Wake and S Ethan Kilmer
- 1/15/09
- Named Dave DeGuglielmo Offensive Line Coach
- 1/14/09
- Signed WR Anthony Armstrong, CB Scorpio Babers, CB Will Billingsley, FB Chris Brown, DT Joe Cohen, RB Lex Hilliard and WR Todd Lowber