Miami quarterback left the Dolphins' Luc Snuggerud Jersey the Buffalo Bills late in the second quarter, but returned to start the second half.NFL Network Insider Ian Rapoport reported that Tagovailoa tweaked his back in the first quarter, and a hit by Bills linebacker caused his back to lock up and led to him stumbling. After going into the locker room for a concu sion check, Tagovailoa was fully cleared and allowed to return to the game, per Rapoport.Milano hit Tagovailoa at the end of a pa s play, and the quarterback went to the ground hard, with the back of his Brent Seabrook Jersey helmet appearing to hit the turf. Tagovailoa stumbled after the play and headed to the locker room with a few minutes left in the first half. Dylan Strome Jersey He was initially announced as questionable to return, but came back onto the field for the third quarter.As noted by NFL Network Insider Tom Peli sero, the NFL-NFL Players A sociation concu sion protocol states that gro s motor instability means a player cannot return to a game if " d etermined by team physician, in consultation with the UNC (unaffiliated neurotrauma consultant), to be neurologically caused." In Tagovailoa's case, Stan Mikita Jersey doctors determined it was not neurologically caused, Peli sero added.Backup came in at QB while Tagovailoa was out, taking Marian Hossa Jersey three snaps before Miami punted to end the po se sion.Tagovailoa finished 13-of-18 for 186 yards and a touchdown in the victory, as Miami moved to 3-0.