Raiders’ Derek Carr questionable to return to Week 15 game after a groin injury, replaced by Marcus Mariota | CBS Sports Headlines Raiders’ Derek Carr questionable to return to Week 15 game after a groin injury, replaced by Marcus Mariota Carr left the game after the Raiders’ second offensive possession … Continue reading Raiders’ Derek Carr questionable to return to Week 15 game after a groin injury, replaced by Marcus Mariota