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(Reuters) - Kansas City Chiefs running back Jamaal Charles suffered a torn right anterior cruciate ligament in the team's 18-17 loss to the Chicago Bears on Sunday.
Kansas City coach Andy Reid revealed after the game that the preliminary diagnosis was that four-times Pro Bowler Charles had a torn ACL, and would undergo a MRI and further tests on Monday to determine the extent of the knee injury.
Charles left the game in the third quarter after his right knee appeared to buckle as he was cutting left on a run up on the middle.