Dolphins' Tua Tagovailoa in concussion protocol once again, says Mike McDaniel
NFL finds Tagovailoa's concussion protocol was adequate
What we know about the injury to Dolphins QB Tua Tagovailoa, and what's next - ESPN
NFL modifies concussion protocol after review of Tagovailoa injury
Tua Tagovailoa to miss game at Jets with concussion
Dolphins QB Tua Tagovailoa reentering Bills game after scary head injury prompts investigation by NFLPA, public outcry
Dolphins QB Tua Tagovailoa Is Concussed Again. The NFL Says Everything's Fine.
Tua Tagovailoa's injury renews debate over how broadcasts handle concussions - The Washington Post
NFL Concussion Protocol 'Big Step to Making Game Safer for Players': Expert