NFL concussion protocol: What are the steps for return to play?

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Tua Tagovailoa faces 5-step recovery process to return to play

Patrick Mahomes has to pass NFL concussion protocol before he can play

Colts: What are steps for Anthony Richardson (concussion) to play?

NFL Concussion Protocol 'Big Step to Making Game Safer for Players': Expert

Source - NFLPA wants review of concussion protocols after Miami Dolphins QB Tua Tagovailoa's quick return to game - ESPN

NFL to tweak concussion protocol after frightening injuries

How does the NFL's concussion protocol work?

Tua Tagovailoa's head injury has put focus on NFL concussion protocol

Colts: What are steps for Anthony Richardson (concussion) to play?

Texans rookie C.J. Stroud in NFL concussion protocol: Here's what that means

Concussions: When should an athlete return to competition?