NFL says protocols were properly applied in Tua Tagovailoa concussion, announces modifications - On3
NFL and NFLPA to make changes to Concussion Protocol to improve player safety after Tua injury
Tua Tagovailoa and NFL concussion protocol: Many questions need to be answered - Sports Illustrated
Dolphins QB Tua Tagovailoa stretchered off with head injury
Tua Tagovailoa injury: Who is investigating Dolphins handling of Tua's injury, current status of investigation - DraftKings Network
NFL and NFLPA announce they will make changes to concussion protocol after Tua Tagovailoa incident
Tua Tagovailoa's Head Injury Prompts Changes To NFL Concussion Protocols - WSJ
Analysis: NFL isn't passing the eye test on head injuries
NFL community rips Dolphins over Tua Tagovailoa injury
Dolphins QB Tua Tagovailoa stretchered off with head injury
Tua Tagovailoa injury: Updates on Dolphins QB after head injury vs. Bengals
Dolphins QB Tua Tagovailoa not in concussion protocol