Tua Tagovailoa's return suggests NFL concussion protocol means nothing
Tua Tagovailoa took two big hits in a week. What is NFL protocol
Tua Tagovailoa announces return after his concussion protocol
NFL, players' union agree to modify concussion protocol after
NFLPA fires doctor, agrees to change concussion protocols after
Tua Tagovailoa still in concussion protocol, will miss Pro Bowl
Miami Dolphins QB Tua Tagovailoa in concussion protocol, no
Dolphins' Tagovailoa, Bridgewater clear concussion protocol; Miami
NFL: Dolphins' Tua Tagovailoa suffered concussion in loss to Packers
Tua Tagovailoa Rule? NFL, NFLPA reportedly working on change