Article Photos: Oklahoma football notebook: Sooner defense comes alive in the fourth quarter 39/103

OU head coach Bob Stoops celebrates with Oklahoma's Kenny Stills (4) after the Bedlam college football game between the University of Oklahoma Sooners (OU) and the Oklahoma State University Cowboys (OSU) at Gaylord Family-Oklahoma Memorial Stadium in Norman, Okla., Saturday, Nov. 24, 2012. OU won, 51-48, in overtime. Photo by Nate Billings , The Oklahoman