NFL Kansas City Chiefs - sportsnet.ca

- Feb 13, 2012: Kyle McCarthy - signed
- Feb 8, 2012: Jake O'Connell - re-signed (One-year extension (through 2012))
- Feb 5, 2012: Eric Berry - Taken off IR (left knee)
- Feb 5, 2012: Tony Moeaki - Taken off IR (knee)
- Feb 5, 2012: Matt Cassel - Taken off IR (right hand)
- Feb 5, 2012: Ryan O'Callaghan - Taken off IR (undisclosed)
- Feb 5, 2012: Jamaal Charles - Taken off IR (torn left ACL)
- Feb 5, 2012: Jackie Battle - Taken off IR (foot)
- Feb 5, 2012: Gabe Miller - Taken off IR (undisclosed)
- Jan 8, 2012: Darryl Harris - signed
- Jan 4, 2012: Cory Greenwood - re-signed (Four-year extension (through 2015))
- Jan 2, 2012: Caleb Campbell - signed
- Jan 2, 2012: Anthony Toribio - signed
- Jan 2, 2012: Brandon Siler - Taken off IR (Achilles tendon)
- Jan 2, 2012: Lucas Patterson - signed
- Jan 2, 2012: Jamar Newsome - signed
- Jan 2, 2012: Rob Bruggeman - signed
- Jan 2, 2012: Shane Bannon - signed
- Dec 30, 2011: Brandon Siler - re-signed (One-year extension)
- Dec 30, 2011: Jackie Battle - Placed on IR (foot)
- Dec 30, 2011: Shaun Draughn - Activated from the Practice Squad
- Dec 29, 2011: Ryan Succop - signed (Five-year extension (through 2016))
- Dec 2, 2011: Zeke Markshausen - practice squad deletion
- Dec 2, 2011: Jamar Newsome - practice squad addition
- Nov 29, 2011: Rob Bruggeman - practice squad addition
- Nov 29, 2011: Zeke Markshausen - practice squad addition
- Nov 28, 2011: David Mims - Activated from the Practice Squad
- Nov 28, 2011: Jared Gaither - cut
- Nov 22, 2011: Kyle Orton - acquired from waivers
- Nov 22, 2011: Keary Colbert - cut
- Nov 20, 2011: Jeremy Horne - Activated from the Practice Squad
- Nov 20, 2011: Matt Cassel - Placed on IR (right hand)
- Nov 14, 2011: Caleb Campbell - practice squad addition
- Oct 25, 2011: Anthony Becht - signed
- Oct 25, 2011: Jeremy Horne - practice squad addition
- Oct 24, 2011: Jeremy Horne - cut
- Oct 24, 2011: Shane Bannon - practice squad deletion
- Oct 4, 2011: Butch Lewis - practice squad deletion
- Oct 4, 2011: Shaun Draughn - practice squad addition
- Sep 27, 2011: Jake O'Connell - signed
- Sep 27, 2011: Anthony Becht - cut
- Sep 20, 2011: Jamaal Charles - Placed on IR (torn left ACL)
- Sep 20, 2011: Lucas Patterson - practice squad addition
- Sep 20, 2011: Jeremy Horne - Activated from the Practice Squad
- Sep 15, 2011: Jake O'Connell - cut
- Sep 15, 2011: Anthony Becht - re-signed
- Sep 13, 2011: Shane Bannon - practice squad addition
- Sep 13, 2011: Eric Berry - Placed on IR (left knee)
- Sep 13, 2011: Kyle Nelson - practice squad deletion
- Sep 13, 2011: Reshard Langford - re-signed
- Sep 13, 2011: Butch Lewis - practice squad addition
- Sep 13, 2011: Lucas Patterson - practice squad deletion
- Sep 9, 2011: Lucas Patterson - practice squad addition
- Sep 9, 2011: Shane Bannon - practice squad deletion
- Sep 6, 2011: Butch Lewis - practice squad deletion
- Sep 6, 2011: Kyle Nelson - practice squad addition
- Sep 4, 2011: Anthony Becht - cut
- Sep 4, 2011: Steve Maneri - acquired from waivers
- Sep 3, 2011: David Mims - practice squad addition
- Sep 3, 2011: Quinten Lawrence - practice squad addition
- Sep 3, 2011: Shane Bannon - practice squad addition
- Sep 3, 2011: Justin Cole - practice squad addition
- Sep 3, 2011: Anthony Toribio - practice squad addition
- Sep 3, 2011: Butch Lewis - practice squad addition
- Sep 3, 2011: Darryl Harris - practice squad addition
- Sep 3, 2011: Jeremy Horne - practice squad addition
- Sep 2, 2011: Amara Kamara - cut
- Sep 2, 2011: Butch Lewis - cut
- Sep 2, 2011: Mike Cox - cut
- Sep 2, 2011: Gabe Miller - Placed on IR (undisclosed)
- Sep 2, 2011: Zeke Markshausen - cut
- Sep 2, 2011: Reshard Langford - cut
- Sep 2, 2011: Micah Johnson - cut
- Sep 2, 2011: Cody Slate - cut
- Sep 2, 2011: Jeremy Horne - cut
- Sep 2, 2011: Justin Cole - cut
- Sep 2, 2011: Chris Harr - cut
- Sep 2, 2011: Tony Moeaki - Placed on IR (knee)
- Sep 2, 2011: Verran Tucker - cut
- Sep 2, 2011: Shane Bannon - cut
- Sep 2, 2011: Charlie Gantt - cut
- Sep 2, 2011: Ricky Price - cut
- Sep 2, 2011: Darryl Harris - cut
- Sep 2, 2011: Bobby Greenwood - cut
- Sep 2, 2011: David Mims - cut
- Sep 2, 2011: Anthony Toribio - cut
- Sep 2, 2011: Harold Ayodele - cut
- Sep 2, 2011: Mike Ingersoll - cut
- Sep 2, 2011: Quinten Lawrence - cut
- Sep 2, 2011: Demond Washington - cut
- Sep 2, 2011: Pierre Walters - cut
- Sep 2, 2011: Dion Gales - cut
- Sep 2, 2011: Lucas Patterson - cut
- Aug 29, 2011: Todd Carter - cut
- Aug 29, 2011: Ryan O'Callaghan - Placed on IR (undisclosed)
- Aug 28, 2011: Javes Lewis - cut
- Aug 28, 2011: Chris Manno - cut
- Aug 28, 2011: Tervaris Johnson - cut
- Aug 28, 2011: Mario Russell - cut
- Aug 28, 2011: Josue Paul - cut
- Aug 28, 2011: Chandler Williams - cut
- Aug 28, 2011: Eric Bakhtiari - cut
- Aug 24, 2011: Brandon Siler - Placed on IR (Achilles tendon)
- Aug 24, 2011: Anthony Becht - signed (One-year contract)
- Aug 15, 2011: Harold Ayodele - signed
- Aug 10, 2011: Jared Gaither - signed/unrestricted free agent
- Aug 9, 2011: Keary Colbert - signed
- Aug 9, 2011: Todd Carter - acquired from waivers
- Aug 5, 2011: Amon Gordon - signed/unrestricted free agent
- Aug 3, 2011: Justin Houston - signed/draft choice (Four-year contract)
- Aug 3, 2011: Brandon Carr - re-signed/restricted free agent (One-year contract)
- Aug 3, 2011: Sabby Piscitelli - signed/unrestricted free agent
- Aug 3, 2011: Tamba Hali - re-signed/restricted free agent (Five-year contract)
- Aug 2, 2011: Le'Ron McClain - signed/unrestricted free agent (One-year contract)
- Aug 2, 2011: Tamba Hali - re-signed/restricted free agent (Five-year contract)
- Aug 2, 2011: Mario Russell - signed
- Aug 2, 2011: Javes Lewis - signed
- Aug 1, 2011: Chris Manno - signed
- Jul 31, 2011: Brandon Siler - signed/unrestricted free agent
- Jul 31, 2011: Barry Richardson - re-signed/restricted free agent (One-year contract)
- Jul 30, 2011: Wallace Gilberry - re-signed/restricted free agent
- Jul 29, 2011: Zeke Markshausen - signed/unrestricted free agent
- Jul 29, 2011: Kelly Gregg - signed/unrestricted free agent
- Jul 28, 2011: Reshard Langford - re-signed/exclusive rights free agent
- Jul 28, 2011: Terrance Copper - re-signed/unrestricted free agent
- Jul 28, 2011: Mike Cox - re-signed/restricted free agent
- Jul 28, 2011: Steve Breaston - signed/unrestricted free agent (Five-year contract)
- Jul 28, 2011: Travis Daniels - re-signed/unrestricted free agent
- Jul 28, 2011: Jackie Battle - re-signed/unrestricted free agent
- Jul 28, 2011: Ryan O'Callaghan - re-signed/unrestricted free agent
- Jul 28, 2011: Leonard Pope - re-signed/unrestricted free agent
- Jul 28, 2011: Jon McGraw - re-signed/unrestricted free agent
- Jul 28, 2011: Brad Cottam - cut
- Jul 28, 2011: Casey Wiegmann - re-signed/unrestricted free agent
- Jul 28, 2011: Jonathan Baldwin - signed/draft choice (Four-year contract (fifth-year option))
- Jul 27, 2011: Jackie Bates - cut
- Jul 27, 2011: Chris Chambers - cut
- Jul 27, 2011: Jerrell Powe - signed/draft choice (Four-year contract)
- Jul 27, 2011: Rodney Hudson - signed/draft choice (Four-year contract)
- Jul 27, 2011: Allen Bailey - signed/draft choice (Four-year contract)
- Jul 27, 2011: Shane Bannon - signed/draft choice (Four-year contract)
- Jul 27, 2011: Jalil Brown - signed/draft choice (Four-year contract)
- Jul 27, 2011: Ricky Stanzi - signed/draft choice (Four-year contract)
- Jul 27, 2011: Gabe Miller - signed/draft choice (Four-year contract)
- Jul 27, 2011: Brian Waters - cut
- Jul 26, 2011: Charlie Gantt - signed
- Jul 26, 2011: Lucas Patterson - signed
- Jul 26, 2011: Demond Washington - signed
- Jul 26, 2011: Josue Paul - signed
- Jul 26, 2011: David Mims - signed
- Jul 26, 2011: Amara Kamara - signed
- Jul 26, 2011: Brandon Bair - signed
- Jul 26, 2011: Chris Harr - signed
- Jul 26, 2011: Butch Lewis - signed
- Jul 26, 2011: Mike Ingersoll - signed
- Jul 24, 2011: Shaun Smith - declared free agent
- Jul 24, 2011: Leonard Pope - declared free agent
- Jul 24, 2011: Brodie Croyle - declared free agent
- Jul 24, 2011: Kevin Curtis - declared free agent
- Jul 24, 2011: Jackie Battle - declared free agent
- Jul 24, 2011: Tim Castille - declared free agent
- Jul 24, 2011: Ryan O'Callaghan - declared free agent
- Jul 24, 2011: Casey Wiegmann - declared free agent
- Jul 24, 2011: Brandon Carr - Restricted Free Agent
- Jul 24, 2011: Corey Mays - declared free agent
- Jul 24, 2011: Terrance Copper - declared free agent
- Jul 24, 2011: Maurice Leggett - declared free agent
- Jul 24, 2011: Travis Daniels - declared free agent
- Jul 24, 2011: Ron Edwards - declared free agent
- Jul 24, 2011: Jon McGraw - declared free agent
- Jul 24, 2011: Charlie Anderson - declared free agent
- Jul 24, 2011: Mike Cox - Restricted Free Agent
- Jul 24, 2011: Rudy Niswanger - declared free agent
- Jul 24, 2011: Barry Richardson - Restricted Free Agent
- Jul 24, 2011: Wallace Gilberry - Restricted Free Agent
- Jul 10, 2011: Mike Vrabel - retired
- Mar 3, 2011: Cory Greenwood - re-signed/exclusive rights free agent
- Feb 15, 2011: Tamba Hali - Designated franchise player