NFL's chief medical officer says Tua Tagovailoa showed 'nothing that would have triggered' concussion protocol
NFL's Handling Of Concussions Questioned After Tua's Injury
Has the NFL failed Tua Tagovailoa with its concussion protocol?
Following review of the handling of Tua Tagovailoa's injury, NFL, NFLPA agree 'the outcome in this case is not what was intended' - ESPN
NFL's Handling Of Concussions Questioned After Tua's Injury
NFL to tweak concussion protocol after frightening injuries
Tua Tagovailoa's concussion conundrum intensifies NFL's head injury debate
Tua Tagovailoa: NFL urged to make 'tangible change' to concussion policy in wake of Miami Dolphins quarterback's head injury, NFL News
Consultant who cleared Dolphins' Tagovailoa to play after head blow is fired
Dolphins quarterback Tua Tagovailoa is NOT in the concussion protocol despite apparent head injury