Tyrann Mathieu - Wikipedia
Chiefs' Andy Reid says he held Tyrann Mathieu out against Browns - Arrowhead Pride
Kansas City Chiefs rule out safety Tyrann Mathieu (concussion) in first quarter vs. Buffalo Bills - ESPN
Tyrann Mathieu, National Football League, News, Scores, Highlights, Stats, and Rumors
Lucas Niang - NFL News, Rumors, & Updates
Regular Season Game 3 - Chiefs vs. Chargers (9-26-21) by Kansas City Chiefs - Issuu
Tyrann Mathieu Ruled Out of Chiefs-Bills Game Due to a Concussion - The New York Times
Regular Season Game 9 - Chiefs vs. Panthers (11-8-20) by Kansas City Chiefs - Issuu
Moral Of The Story: Cardinals Battle Chiefs, But Can't Grab Upset
Chiefs' defensive surge keys Wk 1 win, SB promise