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Beanie Wells out with sprained knee

GLENDALE, Ariz. -- Arizona running back Beanie Wells left Sunday's game against Pittsburgh in the second quarter with a right knee sprain.

The third-year pro from Ohio State had 42 yards on 12 carries before leaving for the locker room at the two-minute warning. Wells missed the third game of the season, at Seattle, with a hamstring injury.

Wells' first-half performance had put him at 423 yards rushing for the season, more than he gained in all of 2010 when he was slowed by injuries.

The Cardinals lost 32-20.

Information from The Associated Press contributed to this report.