CINCINNATI | The Cincinnati Bengals waived former USC running back Kenny Irons on Friday after he failed a physical examination earlier this week.
Irons tore a left knee ligament during a preseason game at Detroit in August. The 24-year-old from Dacula, Ga., spent the season on the injured list.
If no other team claims his rights, the Bengals could re-sign Irons and put him on a reserve list. But he would not be eligible to play this season.
Irons was a 2007 second-round draft choice from Auburn.
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Irons transferred from South Carolina at the end of the 2003 season.