NFLPA to investigate how Dolphins handle Tagovailoa's concussion
Unaffiliated Team Doctor Fired By Dolphins Following In-Game Concussion Check - Training & Conditioning
Following review of the handling of Tua Tagovailoa's injury, NFL, NFLPA agree 'the outcome in this case is not what was intended' - ESPN
Dolphins QB Tua Tagovailoa diagnosed with concussion, ruled out Sunday
NFL-NFLPA conclude Tua Tagovailoa's concussion suffered on Christmas was handled properly
NFL, NFLPA launch joint review into handling of Tua Tagovailoa after QB's second stint in concussion protocol - The Athletic
Tua Tagovailoa concussion investigation: NFL believes Dolphins followed protocol with QB's injury
Investigation regarding Tua Tagovailoa's return to play could take 1-2 weeks - NBC Sports
Miami Dolphins Quarterback Tua Tagovailoa Suffers Scary Head and Neck Injury
Dolphins' Tua Tagovailoa to speak to NFL, NFLPA as part of ongoing investigation
Tua Tagovailoa Rule? NFL, NFLPA reportedly working on change preventing players' return after 'instability'