FILE -- A sign made for NFL broadcaster and former Oakland Raiders head coach Jon Gruden is shown during an NFL preseason football game between the Oakland Raiders and the Dallas Cowboys in Oakland, Calif., Monday, Aug. 13, 2012.
FILE -- A sign made for NFL broadcaster and former Oakland Raiders head coach Jon Gruden is shown during an NFL preseason football game between the Oakland Raiders and the Dallas Cowboys in Oakland, Calif., Monday, Aug. 13, 2012. Ben Margot AP FILE
FILE -- A sign made for NFL broadcaster and former Oakland Raiders head coach Jon Gruden is shown during an NFL preseason football game between the Oakland Raiders and the Dallas Cowboys in Oakland, Calif., Monday, Aug. 13, 2012. Ben Margot AP FILE