Nwangwu wasn't on Wednesday's injury report, so it's possible he aggravated his hamstring injury during practice. The standout return man previously missed action this season due to a hamstring injury and concussion, which have combined to limit Nwangwu to five appearances. If Nwangwu sits out Sunday against the Ravens, Isaiah Williams would likely tack kickoff-return duties onto his usual role as a punt returner.
