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Landover, MD (Sports Network) - Detroit Lions running back Reggie Bush is out for Sunday's game against the Washington Redskins with a knee injury.

Bush exited last week's 25-21 loss at Arizona in the second quarter after taking a shot to his left knee and was held out of the practice for two days before taking part on a limited basis Friday. He was listed as questionable on Friday's injury report.

Also out for Detroit is offensive tackle Jason Fox, who will miss a second straight week due to a groin pull he sustained in the season opener.