The NFL made it to the playoffs despite the coronavirus. But plenty of obstacles remain. - The Washington Post
NFL postpones three games due to Covid surge
Cleveland Browns set to play through Covid absences
NFL Sunday Ticket' Outages Anger Fans for 2nd Straight Week - Bloomberg
US sports leagues cope with COVID-19 outbreaks amid variants
The Worst 72 Hours': How the NFL Navigated a Covid Minefield - WSJ