ASSOCIATED PRESS FILE - This Sept. 2, 2010, file photo shows Washington Redskins running back Clinton Portis watching from the sidelines during a preseason NFL football game against the Arizona Cardinals, in Glendale, Ariz.

Photo by: Ross Franklin

ASSOCIATED PRESS FILE - This Sept. 2, 2010, file photo shows Washington Redskins running back Clinton Portis watching from the sidelines during a preseason NFL football game against the Arizona Cardinals, in Glendale, Ariz.