**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)
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**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)
