Sports NFLPA medical chief discusses next steps after Tua Tagovailoa’s latest concussion December 27, 2022December 27, 2022Jarrett Bell, USA TODAYComments Off on NFLPA medical chief discusses next steps after Tua Tagovailoa’s latest concussion Tua Tagovailoa's latest setback has prompted more questions about NFL concussion protocols and calls for the Dolphins QB to sit out rest of season.