NFL Network's Mike Garafolo: Kansas City Chiefs safety Tyrann Mathieu tested positive for COVID-19
Chiefs add Tyreek Hill, others to growing COVID-19 list
Chiefs place DB Tyrann Mathieu on Reserve/COVID-19 list
KC Chiefs place Tyrann Mathieu on NFL reserve/COVID-19 list
Chiefs star safety Tyrann Mathieu heads to COVID-19 list after positive test
Chiefs activate Tyrann Mathieu from reserve/COVID list, All-Pro safety questionable for Week 1 vs. Browns
Patriots offense can't catch Chiefs in COVID-19 delayed game
Tyreek Hill among 21 NFL players added to COVID-19 list
Patriots-Chiefs Game Postponed After Positive Coronavirus Tests on Both Teams - The New York Times
Kansas City Chiefs safety Tyrann Mathieu placed on COVID-19 list after positive test, sources say - ESPN
Chiefs with no new COVID-19 positives; Gordon, Gay return
Chiefs safety Tyrann Mathieu: “I leave with a grateful heart”
Chiefs safety Tyrann Mathieu activated off COVID-19 reserve, kicker Chris Naggar activated off Browns practice squad
KC Chiefs: Tyrann Mathieu is still not out of the COVID woods
Chiefs lean on D to beat Pats 26-10 in COVID-19-delayed game