Arizona RB Wells' `bruised knee' report was false

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TEMPE, Ariz. (AP) -- Arizona running back Beanie Wells had arthroscopic surgery on his right knee after he was injured in the team's final preseason game, a fact the Cardinals had kept secret.

Cardinals coach Ken Whisenhunt confirmed Friday that Wells had undergone the surgery but said it was not a serious procedure and there was no reason to believe the running back would be out more than on a week-to-week basis. Wells told reporters that the surgery
was performed to repair a torn meniscus.

The issue was raised after a reporter from CBSSports.com noticed incision marks on Wells' knee.

Wells sat out the first two games of the season with what the team repeatedly had said was a bruised knee. He is listed as questionable for the home opener Sunday against the Oakland Raiders.