NFL, NFLPA reach agreement to modify concussion protocol
Consultant who cleared Dolphins' Tagovailoa to play after head
The NFL and players union agreed to an updated concussion protocol
AP source: Union fires consultant who evaluated Tagovailoa
NFL, NFLPA implement new concussion protocols after review of
Consultant who cleared Miami Dolphins quarterback Tua
NFLPA fires doctor in Tua Tagovailoa case, with protocol changes
AP source: NFL, NFLPA reviewing Tagovailoa's quick return