Article Photos: Big 12's offensive explosion means one thing: The league isn't ready to play big-boy football 47/104

Oklahoma State's Clint Chelf (10) carries the ball against Oklahoma's Tony Jefferson (1) in the third quarter during 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