Arizona Cardinals cornerback Patrick Peterson is being evaluated for a concussion after a violent collision with a teammate and Philadelphia receiver Jeremy Maclin on Sunday. The injuries occurred late in the second quarter, when Peterson and teammate Deone Bucannon collided with Maclin on a pass play. Medical personnel checked on Peterson, who eventually sat up and gingerly walked toward the sideline. He was then led to the locker room to be evaluated for a concussion. More...