Miami Dolphins QB Tua Tagovailoa trying new helmet to combat concussions
Video Former NFL players on Tua Tagovailoa and NFL's concussion protocols - ABC News
Miami quarterback Tua Tagovailoa is in concussion protocol; fans upset with NFL
NFL, Players Union Agree to Change Concussion Protocol - The New York Times
Miami Dolphins QB Tua Tagovailoa's Head, Neck Injuries: What to Know
Dolphins QB Tua Tagovailoa Active For Tonight's Game
Dolphins QB Tua Tagovailoa not in concussion protocol
Tua Tagovailoa took two big hits in a week. What is NFL protocol on concussions? : NPR
Tua Tagovailoa, Miami Dolphins quarterback, suffered concussion on Sunday, head coach says
Dolphins' Tagovailoa has concussion, no timetable for return
Explaining the NFL's latest concussion controversy and policy change : NPR