Houston Texans running back Arian Foster (23) breaks away from Pittsburgh Steelers' Troy Polamalu (43) and LaMarr Woodley (56) in the fourth quarter of an NFL football game Sunday, Oct. 2, 2011, in Houston. Foster went on to score a touchdown. (AP Photo/Dave Einsel)

Associated Press
Houston Texans running back Arian Foster (23) breaks away from Pittsburgh Steelers' Troy Polamalu (43) and LaMarr Woodley (56) in the fourth quarter of an NFL football game Sunday, Oct. 2, 2011, in Houston. Foster went on to score a touchdown. (AP Photo/Dave Einsel)
Houston Texans running back Arian Foster (23) breaks away from Pittsburgh Steelers' Troy Polamalu (43) and LaMarr Woodley (56) in the fourth quarter of an NFL football game Sunday, Oct. 2, 2011, in Houston. Foster went on to score a touchdown. (AP Photo/Dave Einsel)
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