Article Photos: Oklahoma football: Sooners' defense shines in first half 49/99

The Oklahoma team takes the field before a college football game between the University of Oklahoma Sooners (OU) and the TCU Horned Frogs at Gaylord Family-Oklahoma Memorial Stadium in Norman, Okla., on Saturday, Oct. 5, 2013. Oklahoma won 20-17. Photo by Bryan Terry, The Oklahoman