Article Photos: Oklahoma football: Sooners' defense shines in first half 83/99

Oklahoma's Brennan Clay (24) runs into the end zone for a touch down during the college football game between the University of Oklahoma Sooners (OU) and the Texas Christian University Horned Frogs (TCU) at the Gaylord Family-Oklahoma Memorial Stadium on Saturday, Oct. 5, 2013 in Norman, Okla.   Photo by Chris Landsberger, The Oklahoman