Tua Tagovailoa took two big hits in a week. What is NFL protocol on concussions? : NPR
#SportsReport: Washington Loses McCoyUMass Hires Bell To Head Football Program
NFL claims concussion protocols didn't fail Tua Tagovailoa on Sunday. That's hard to believe after Thursday's scary head injury
Tua Tagovailoa Reportedly Clears Concussion Protocol for Second Time
NFL, NFLPA: No violations of concussion protocol with Dolphins QB Tua Tagovailoa in Week 16 game vs. Packers
Tua Tagovailoa Is in the NFL's Concussion Protocols Again - WSJ
Tua Tagovailoa in concussion protocol three months after head injury
Tua Tagovailoa in concussion protocol three months after head injury
The NFL's concussion protocol is a long-running controversy that does little to protect players' health - The Messenger
NFL under fire over its concussion protocol following Tua Tagovailoa's back-to-back game hits - ABC News
Tua Tagovailoa's concussion, protocols collide: What followed for NFL
The ESPN Daily podcast -- How to listen, episode guide and more - ESPN
The Holly Spirit Dolphins' Tua Tagovailoa's devastating head injury—and what it means for NFL concussion protocol
NFL, Players Union Agree to Change Concussion Protocol - The New York Times