Consultant who cleared Dolphins' Tagovailoa to play after head
NFL, NFLPA say concussion protocol was not violated after Tua
Dolphins QB Tua Tagovailoa Stretchered Off With Head Injury
NFL faces intense scrutiny over concussion protocols after Tua
Miami QB Tua Tagovailoa exits field after second head hit in two
NFL concussion protocols under scrutiny
Tua Tagovailoa Is Proof That the NFL Is Failing Its Players
NFL's handling of concussions questioned after Tua's injury