ORCHARD PARK, N.Y. (AP)Buffalo Bills quarterback Josh Allen was a full participant at Friday’s practice and is questionable for Sunday’s game against the Tennessee Titans as he recovers from a concussion.
Allen participated on a limited basis on Wednesday and Thursday. The second-year starter has had mixed results to open the season, leading Buffalo to a 3-1 record while throwing for 903 yards, three touchdowns and six interceptions. He also has three rushing touchdowns.
Allen was injured on a helmet-to-helmet hit from New England cornerback Jonathan Jones.
If Allen cannot play, backup Matt Barkley will start for the Bills. Barkley completed 9 of 16 passes for 127 yards and an interception after replacing Allen against New England. Barkley is the only other quarterback on Buffalo’s roster, though the Bills have Davis Webb on their practice squad. Buffalo has an open roster spot after releasing tackle Conor McDermott on Thursday.
Six other Bills are questionable: RB Devin Singletary (hamstring), FB Pat DiMarco (concussion), WR Robert Foster (groin), CB Taron Johnson (hamstring), S Dean Marlowe (concussion) and T Ty Nsekhe (ankle). Singletary has missed two games and was limited in practice all week.
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