Nineteen Nittany Lions Populate NFL Playoff Rosters - Penn State Athletics
Dont'a Hightower: A growing list of New England Patriots players opt out of 2020 season over Covid-19 fears
NFL is still committed to playoffs despite more Covid-19 outbreaks
NFL players by college on 2020 rosters
NFL reexamining COVID-19 protocols after sudden wave of positive cases late in 2021 season
Total of 66 NFL players opt out of 2020 season due to COVID-19 pandemic
College football opt-out tracker: Tracking players opting out of the 2020 season due to COVID-19 concerns, College Football
2022 NFL Free Agent Rankings: Top 200 players expected to enter free agency, NFL News, Rankings and Statistics
Notable NFL players choose to opt out of the 2020 season due to COVID-19 - Acme Packing Company
The NFL Needs to Finalize Its COVID-19 Plans—and Soon - The Ringer