Battling a nagging knee injury, Oakland Raiders quarterback Terrelle Pryor has been ruled out of Sunday's game versus the Houston Texans.

Coach Dennis Allen acknowledged that Pryor encountered a setback on Friday after sharing reps with rookie Matt McGloin in Thursday's practice.

Although Allen was still is holding out hope, team sources told NFL Media Insider Ian Rapoport that all signs were pointing to McGloin making his first NFL start once Pryor missed Friday's practice.