Sources -- NFL, NFLPA investigating whether Titans violated coronavirus protocols - ESPN
Packers QB Aaron Rodgers Tests Positive for Covid-19 - Bloomberg
Titans, Vikings quarantine after 8 Tennessee employees test positive for COVID-19 - Pride Of Detroit
Tennessee Titans players under investigation following two more Covid-19 cases
Titans' COVID-19 outbreak: What you need to know
2021 Yearbook by Tennessee Titans - Issuu
Cristiano Ronaldo tests positive for COVID-19
NFL has first COVID-19 outbreak: Titans report 8 new cases, shut down team activities
Baltimore Ravens at Tennessee Titans, Wild Card, Playoffs, AFC, Nissan Stadium, January 10, 2020, Post-Season, Lamar Jackson
Titans, Vikings shut down in-person activities after NFL's first Covid-19 outbreak
Timeline of the NFL COVID-19 outbreak -- How positive tests led to postponed games - ESPN
Titans, Vikings Experience NFL's First Coronavirus Outbreak - The New York Times
NFL's first COVID-19 outbreak: Eight members of Titans test positive