Washington Redskins quarterback Robert Griffin III, left, walks past head coach Mike Shanahan, right, following NFL football practice at Redskins Park in Ashburn, Va., Wednesday, June 13, 2012. (AP Photo/Pablo Martinez Monsivais)

Photo by: Pablo Martinez Monsivais

Washington Redskins quarterback Robert Griffin III, left, walks past head coach Mike Shanahan, right, following NFL football practice at Redskins Park in Ashburn, Va., Wednesday, June 13, 2012. (AP Photo/Pablo Martinez Monsivais)