NFL COVID rules, explained: Everything to know about coronavirus and football in 2020
Washington vs. Eagles moved to Tuesday at 7 p.m. amid COVID outbreak - WHYY
NFL's Steelers-Ravens game postponed a third time due to Covid
COVID rages across the U.S. again just as Americans gather for the holidays : NPR
What is the NFL schedule for week 15? COVID postpones 3 games
NFL games with many in-person fans may have spiked COVID cases
AP sources: 3 NFL games moved due to COVID-19 outbreaks - WSVN 7News, Miami News, Weather, Sports
Key Raiders Players Face Covid-19 Isolation Before Their Big Game - WSJ
Three NFL games moved due to COVID-19 outbreaks
Decoding an Outbreak: How Covid-19 Ripped through the Baltimore Ravens - WSJ
The N.F.L. and Covid-19: How the League Prepared for the Super Bowl - The New York Times
Timeline of the NFL COVID-19 outbreak -- How positive tests led to postponed games - ESPN