How the NFL navigated COVID-19 this season - 959,860 tests, $100 million and zero cancellations - ESPN
NFL games with many in-person fans may have spiked COVID cases
Where each of the 32 NFL teams stands on allowing fans into stadiums - ESPN
As cases spread and NFL tightens COVID-19 protocols, plans continue for fans at Cowboys games
Study: NFL games in 2020 led to COVID spikes in communities - Los Angeles Times
How the surge in COVID-19 cases unfolded in the sports world - The Boston Globe
Is it safe to attend sports games during Covid pandemic? Fauci advice
New Study Finds Covid Spikes After N.F.L. Games With Fans - The New York Times
Study suggests NFL crowds may have led to coronavirus spikes
Minnesota Vikings bar fans from final games as state COVID-19 deaths hit record
Ravens Place Five More Players on COVID-19 List
Eagles fan: No love for the NFL, but postponing the game was the right thing to do