**FILE** Washington Redskins running back Tim Hightower warms up during the team's NFL football training camp practice at Redskins Park in Ashburn, Va., on July 30, 2012. (Associated Press)

Photo by: Evan Vucci

**FILE** Washington Redskins running back Tim Hightower warms up during the team's NFL football training camp practice at Redskins Park in Ashburn, Va., on July 30, 2012. (Associated Press)