NFL playoffs: Tre'Davious White almost opted out of 2020 due to COVID
Here's how the NFL tackled the spread of COVID-19 among players, staff
Top 20 story lines for the 2021 NFL season - Sports Illustrated
NFL players raise concerns about playing, others ignore advice of medical experts
NFL player opt-out tracker: Latest on coronavirus decisions in 2020
They Opted Out of College Football—and Became NFL Stars - WSJ
Don't hold your breath: COVID-19 is going to wreck the 2020 NFL season - The Boston Globe
Former Samford Football Players Open NFL Season on Active Rosters
NFL opt-out deadline takeaways after 67 players pull out of 2020 season during COVID-19 pandemic
NFL team by team opt-out tracker: Tre'Davious White makes decision, plus every player to opt out by deadline
NFL Opt-Outs Show How the Coronavirus Is Already Upending the League - The Ringer
List of NFL players opting out of 2020 season due to COVID-19
NFL is still committed to playoffs despite more Covid-19 outbreaks