FILE - In this Sunday, Dec. 28, 2014 file photo, Washington Redskins quarterback Robert Griffin III (10) passes the ball during the first half of an NFL football game against the Dallas Cowboys in Landover, Md. Former Redskins head coach Mike Shanahan says things went downhill for him in Washington because Robert Griffin III and team owner Dan Snyder both wanted the quarterback to become a dropback passer, Wednesday, Feb. 18, 2015. (AP Photo/Richard Lipski, File)