Buffalo Bills player is in critical condition after collapsing in game : NPR
Some Facts About Tua's Head Injury (So Far) : r/miamidolphins
Tua Tagovailoa's return suggests NFL concussion protocol means nothing
SportsReport: Red Sox top Orioles; Cubs shut out Phillies
NFL claims concussion protocols didn't fail Tua Tagovailoa on Sunday. That's hard to believe after Thursday's scary head injury
Tua Tagovailoa says he was knocked unconscious, doesn't remember being carted off field
Local neuropsychologist, father of NFL player talks concussions, brain injury risks
N.F.L.'s Concussion Protocol Under Scrutiny After Tagovailoa Injuries - The New York Times
Tua Tagovailoa took two big hits in a week. What is NFL protocol on concussions? : NPR
The Holly Spirit Dolphins' Tua Tagovailoa's devastating head injury—and what it means for NFL concussion protocol
NFL's handling of concussions questioned after Tua's injury