Jon Gruden said Derek Carr’s injury is pretty significant; Marcus Mariota could start for Raiders vs. Dolphins | CBS Sports Headlines Jon Gruden said Derek Carr’s injury is pretty significant; Marcus Mariota could start for Raiders vs. Dolphins Jon Gruden updated the QB’s health after Thursday night’s loss ESN FeedsThis … Continue reading Jon Gruden said Derek Carr’s injury is pretty significant; Marcus Mariota could start for Raiders vs. Dolphins