How the NFL navigated COVID-19 this season - 959,860 tests, $100 million and zero cancellations - ESPN
Amid tenuous times, Big Ten reveals flexible 2020 football schedule
Three NFL games moved due to COVID-19 outbreaks - The Globe and Mail
Friday night frights: The South braces for fall football crowds - POLITICO
The Blitz: How Wayland Baptist dealt with a COVID outbreak during Week 2 of the 2023 season
NFL postpones three games due to Covid surge
The N.F.L. and Covid-19: How the League Prepared for the Super Bowl - The New York Times
Ravens and Steelers will try again Wednesday after postponements
Changing the COVID rules will help the NFL on the field, but will it be safe for players? - The Boston Globe
NFL COVID-19 outbreak - Can the league really get through the 2020 season? What we know about new positive coronavirus tests - ESPN
Was fan attendance at NFL games during the 2020-21 season associated with subsequent spikes in COVID-19 cases?
Impact of the COVID-19 pandemic on gridiron football - Wikipedia
Canceled football games a sign of local COVID comeback
NFL discussed cancellations due to COVID-19 outbreaks on teams: reports