Bears WR Keenan Allen returns to practice

Allen is in the final year of his contract with a $23.1 million salary-cap hit. Nam Y. Huh/AP Photos

Bears receiver Keenan Allen practiced in full Thursday and is on track to play Sunday against the 49ers. Two of his teammates, though, remained out.

Allen sprained his ankle in the second half against the Lions a week ago and did not practice Wednesday.

Receiver DJ Moore and running back D’Andre Swift, who both have quad injuries, missed practice for the second consecutive game. Interim head coach Thomas Brown said Wednesday that all three had a chance to play Sunday.

Running back Roschon Johnson and guard Ryan Bates both remained in concussion protocol Thursday. Safety Elijah Hicks, who hurt…