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Quarterback Josh Allen cleared the NFL concussion protocol and is expected to play Sunday vs. the Tennessee Titans, the Buffalo Bills announced early Saturday.

Fullback Patrick DiMarco and safety Dean Marlowe also were cleared from the protocol and are expected to play.

All three were full practice participants on Friday.

Buffalo coach Sean McDermott said he would be fine with starting Allen if he were cleared over the weekend.

“Yes, I would be comfortable,” McDermott told reporters Friday. “He’s in the protocol so I can’t go into what he’s done and hasn’t done, but I would be comfortable.”

Allen was injured in the third quarter of last Sunday’s loss to the New England Patriots when he absorbed a helmet-to-helmet hit to the head.

Matt Barkley was 9-of-16 passing for 127 yards and one interception in relief of Allen versus New England.

Allen has passed for 903 yards, three touchdowns and six interceptions this season. He also has rushed for three scores.

Running back Devin Singletary (hamstring), who has missed the past two games, receiver Robert Foster (groin), cornerback Taron Johnson (hamstring) and guard Jon Feliciano (neck) are listed as questionable for Sunday’s game.

Tight end Tyler Kroft (ankle) and linebacker Corey Thompson (ankle) are listed as out.

–Field Level Media (@FieldLevelMedia)