Chiefs rout stumbling Steelers 36-10 to clinch AFC West
Chiefs safety Tyrann Mathieu discusses future with team
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Tyrann Mathieu activated from COVID-19 list ahead of Week 1, is
Tyrann Mathieu Ruled Out of Chiefs-Bills Game Due to a Concussion
Chiefs activate Tyrann Mathieu from reserve/COVID list, All-Pro
KC Chiefs' Tyrann Mathieu set to return to starting lineup
Kansas City Chiefs activate DB Tyrann Mathieu from COVID-19 list
Kansas City Chiefs star Tyrann Mathieu: 'Didn't think I was ever
Chiefs RB Clyde Edwards-Helaire injury update; plus, more NFL news
Chiefs SS Mathieu, Browns WR Beckham inactive for opener
Chiefs put Tyrann Mathieu on reserve/COVID-19 list - KAKE
Chiefs safety Mathieu tests positive for COVID-19, could be back