Washington Redskins head coach Mike Shanahan walks on the sideline early in the second half of an NFL football game against the Dallas Cowboys Thursday, Nov. 22, 2012 in Arlington, Texas. (AP Photo/Matt Strasen)

Photo by: Matt Strasen

Washington Redskins head coach Mike Shanahan walks on the sideline early in the second half of an NFL football game against the Dallas Cowboys Thursday, Nov. 22, 2012 in Arlington, Texas. (AP Photo/Matt Strasen)