During their 42nd NFL season, the 2011 Kansas City Chiefs season team included free agents Tim Castille and Keary Colbert.
The 2011 Kansas City Chiefs season was the franchise's 42nd season in the National Football League, the 52nd overall and the third under the head coach/general manager tandem of Todd Haley and Scott Pioli. Tim Castille UFA *RFA: Restricted free agent, UFA: Unrestricted free agent, ERFA: Exclusive rights free agent, Franchise: Franchise tag Keary Colbert UFA 
