Getty Derek Carr with Jon Gruden. There were many problems during Jon Gruden’s second tenure as the head coach of the Las Vegas Raiders , but one of the highlights was the work he did with Derek Carr . While the quarterback was an MVP candidate a couple of years before Gruden got there, he looked like a broken player after a string of injuries seemed to rattle his confidence. Carr was able to get back to playing high-end football under the coach, which was interesting, considering many thought