Bills QB Allen questionable, fully participates in practice

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.
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