Chiefs rout stumbling Steelers 36-10 to clinch AFC West
Chiefs still missing Mathieu to COVID-19 as Week 1 work begins
Chiefs still unsure of Tyrann Mathieu's status for Sunday vs. Browns - NBC Sports
Patriots-Chiefs Game Postponed After Positive Coronavirus Tests on Both Teams - The New York Times
Patriots-Chiefs game rescheduled for Monday or Tuesday in Kansas City – Boston Herald
Chiefs SS Mathieu, Browns WR Beckham inactive for opener
Five Things to Know About New Chiefs' Safety Tyrann Mathieu
Chiefs with no new COVID-19 positives as Gordon, Gay return
Buccaneers beat Chiefs 31-9 in Super Bowl LV
Chadiha: AFC clearly no longer a cinch for Chiefs
Reid: Chiefs' coach says he decided to sit Mathieu, Clark