FILE - In this Sept. 2, 2010, file photo, Washington Redskins running back Clinton Portis watches from the sidelines during a preseason NFL football game against the Arizona Cardinals in Glendale, Ariz. Portis is hoping for another chance with the Redskins. The running back said Thursday, Dec. 2, 2010, he wants to keep playing, despite back-to-back seasons that have ended early because of injuries. (AP Photo/Ross D. Franklin, File)
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