How long is Chiefs player Tyrann Mathieu ruled out for after sustaining a concussion? - AS USA
Steps for Chiefs' Tyrann Mathieu to clear NFL's concussion protocol
Kansas City's Tyrann Mathieu out after opening-drive collision with Buffalo's Josh Allen - The Boston Globe
Tyrann Mathieu injury: Chiefs star ruled out of game with concussion
Tyrann Mathieu 'heartbroken' over leaving Chiefs after three seasons in Kansas City
NFL Week 14: Kansas City Chiefs blow out Las Vegas Raiders - Los Angeles Times
NFL Week 14: Kansas City Chiefs blow out Las Vegas Raiders - Los Angeles Times
Chiefs' Tyrann Mathieu Out of Playoff Game vs. Bills After Suffering Concussion, News, Scores, Highlights, Stats, and Rumors
Tyrann Mathieu makes it clear: he wants to stay with Kansas City Chiefs - Arrowhead Pride
MMQB: How the Chiefs' Defense Turned the Tide in Super Bowl LIV in Three Plays - Sports Illustrated
Kansas City's Tyrann Mathieu out after opening-drive collision with Buffalo's Josh Allen - The Boston Globe
Chiefs-Bengals injury update: Tyrann Mathieu returns to practice field - Arrowhead Pride
Tyrann Mathieu on his return to New Orleans, leaving the Chiefs - Sports Illustrated
Bengals vs. Chiefs: schedule, TV channel and where to watch the AFC Conference Finals live - AS USA
How Kansas City and the Rams Advanced in the NFL Playoffs - The New York Times