Article Photos: Oklahoma State football: Cowboys' defense returns to opportunistic ways, forces five Kansas State turnovers 36/55

Oklahoma State's Calvin Barnett (99) celebrates a tackle in the third quarter during the second half of a college football game between the Oklahoma State University Cowboys (OSU) and the Kansas State University Wildcats (KSU) at Boone Pickens Stadium in Stillwater, Okla., Saturday, Oct. 5, 2013. OSU won 33-29.Photo by Sarah Phipps, The Oklahoman