‘McCargo suffered a stress fracture in the same foot last season, missing five games during his final year at North Carolina State. The 6-foot-2, 295-pound McCargo was part of the Bills’ four-man rotation at defensive tackle that has been reduced to three. “It’s a tough loss,” said Bills defensive end Chris Kelsay. “Anytime you lose somebody you hate to see it happen, but we have to move forward.”‘