The NFL's Covid-19 playbook ahead of the 2021 Super Bowl, explained - Vox
Ravens QB Lamar Jackson Tests Positive for COVID-19, Reports Say – NBC4 Washington
N.F.L. Punishes Titans for Their Handling of Coronavirus Outbreak - The New York Times
COVID-19 updates: Record 96 NFL players test positive
Lamar Jackson, Three Other Ravens Added to Reserve/COVID-19 List
Jaguars practice squad player tests positive for coronavirus - Los Angeles Times
Tennessee Titans players under investigation following two more Covid-19 cases
Joining Titans Worth the Wait for Special Teams Ace Nick Dzubnar
Timeline of the NFL COVID-19 outbreak -- How positive tests led to postponed games - ESPN
Titans, Vikings quarantine after 8 Tennessee employees test positive for COVID-19 - Pride Of Detroit
Cam Newton tests positive, NFL doesn't want repeat of Titans outbreak - Sports Illustrated