Kansas City Chiefs activate Tyrann Mathieu to roster, make other
Kansas City Chiefs S Tyrann Mathieu hints at jersey number change
Mathieu leads several Chiefs chose for NFL's All-Pro teams
Saints' Tyrann Mathieu comes full circle against Cardinals team
Chiefs lose composure and see red amid a sea of yellow
Tyrann Mathieu explains why he let up on potential big hit on
Tyrann Mathieu expecting to elevate Chiefs' defense in his
Kansas City Chiefs release jersey numbers for new players
Mistakes on offense cost Chiefs 3rd straight Super Bowl trip