Dolphins quarterback Tagovailoa returning to training after concussion
Tua Tagovailoa's concussion troubles return as Dolphins fall to Bills
Dolphins quarterback Tua Tagovailoa facing fresh concussion lay-off
Injuries raise concerns with NFL season to begin this weekend
Miami Dolphins quarterback Tua Tagovailoa at camp with contract in flux
NFL and NFLPA review suggests Tua Tagovailoa showed no signs of concussion in game
Dolphins quarterback Tagovailoa out of Patriots clash with concussion
Dolphins' QB Tagovailoa in concussion protocol
NFL and players agree to enhanced concussion protocols
Dolphins quarterback Tua Tagovailoa remains in concussion protocol
Miami Dolphins' Tua Tagovailoa ruled out of Sunday's game at Jets due to concussion
Dolphins QB Tagovailoa suffered concussion, nothing 'more serious' - coach