N.F.L. Agrees to Settle Concussion Suit for $765 Million - The New York Times
Majority of Americans Support Changing the NFL 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
N.F.L. Agrees to Settle Concussion Suit for $765 Million - The New York Times
Investigation determines Miami Dolphins followed concussion protocol with Tua Tagovailoa - CBS News
NFL's concussion protocol modified after Tagovailoa review
An overview of concussion protocols across professional sports leagues - LawInSport
NFL concussion protocols may change soon after Tua Tagovailoa incident - The Washington Post
Former NFL players with lots of concussions may have higher stroke risk
NFL and players' union approve helmet designed to reduce QB concussions, NFL
Tua Tagovailoa Is in the NFL's Concussion Protocols Again - WSJ
The N.F.L. Issues New Guidelines on Concussions - The New York Times
NFL players union urges quick changes to concussion protocol
NFL, NFLPA agree to parameters of updated concussion protocols
NFL to make changes to the league's concussion protocol - CBS Philadelphia