NFL, NFLPA implement new concussion protocols after review of Tagovailoa injury
NFL, NFLPA to Approve New Concussion Protocol After Tagovailoa Injury - Sports Illustrated
Tua Tagovailoa's concussion, protocols collide: What followed for NFL
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What changes were made to concussion protocol following Tua Tagovailoa investigation - DraftKings Network
NFL's Concussion Protocol Modified After Tua Tagovailoa Review
NFL-NFLPA conclude concussion protocol was followed with Tua Tagovailoa; add modification to 'no-go' symptoms
Joint NFL-NFLPA Statement: Joint Review of the Application of the NFL's Concussion Protocol
NFL's concussion protocol modified after Tagovailoa review