The NFL and players union agreed to an updated concussion protocol
Consultant who cleared Dolphins' Tagovailoa to play after head
Tua Tagovailoa's Injury Wasn't Just a Failure of Protocol
NFL's chief medical officer says Tua Tagovailoa showed 'nothing
NFL modifies concussion protocol after review of Tagovailoa injury
Tua Tagovailoa taking judo lessons as Miami Dolphins quarterback
First QB Helmet Designed to Help Reduce Concussions Approved
Consultant who cleared Dolphins' Tagovailoa to play after head
NFL and NFLPA to make changes to Concussion Protocol to improve