Tua Tagovailoa took two big hits in a week. What is NFL protocol on concussions? : NPR
NFL Concussion Protocol 'Big Step to Making Game Safer for Players': Expert
Dolphins QB Tua Tagovailoa in concussion protocol again - The Athletic
Baystate doctor discusses symptoms, effects of concussions after Tagovailoa injury
Tua Tagovailoa's Injury Exposes The NFL's Priorities
NFL under fire over its concussion protocol following Tua Tagovailoa's back-to-back game hits - ABC News
Will Tua Tagovailoa be ready to play Bills? Dolphins HC gives hint as to where QB is in concussion protocol
Tua Tagovailoa ruled out for Bills-Dolphins playoff game on Sunday - Buffalo Rumblings
Dolphins' Tua Tagovailoa Out of Concussion Protocol