Pats CB Carlton Davis III (concussion) back at practice

New England Patriots cornerback Carlton Davis III returned to practice on a limited basis on Wednesday as he looks to clear concussion protocol.

Head coach Mike Vrabel made the announcement as his Patriots prepare to visit the Denver Broncos on Sunday in the AFC Championship Game.

Davis sustained a head injury during the fourth quarter of last weekend's 28-16 divisional-round victory against the Houston Texans. He intercepted two passes and made four tackles before the injury.

Davis...