Dolphins followed concussion protocol with Tagovailoa's injury
AP Source: NFLPA fires consultant involved in Tagovailoa's
NFLPA implores NFL to accept changes to concussion protocol
Explaining the Tua Rule: How Tua Tagovailoa changed NFL's
NFLPA applying pressure on NFL to speed up concussion protocol changes
As new NFL concussion protocols stall, Rams' David Edwards returns
Tua Tagovailoa injury: NFL and players association agree to
NFL, players union agree on updated concussion protocol
NFL making significant changes to concussion protocol - ESPN
NFL's concussion protocol modified after Tagovailoa review
Dolphins quarterback Tua Tagovailoa placed in NFL concussion
NFL, players' union agree to modify concussion protocol after
As new NFL concussion protocols stall, Rams' David Edwards returns
NFL under fire over its concussion protocol following Tua