Washington Redskins quarterback Robert Griffin III warms up before an NFL preseason football game against the Buffalo Bills Saturday, Aug. 24, 2013, in Landover, Md. (AP Photo/Nick Wass)

Photo by: Nick Wass

Washington Redskins quarterback Robert Griffin III warms up before an NFL preseason football game against the Buffalo Bills Saturday, Aug. 24, 2013, in Landover, Md. (AP Photo/Nick Wass)