Article Photos: Oklahoma football: Sooner defense strong enough to make Knight debut a winner 5/72

Kenneth Perkins, 3, and his father Brent of Ardmore try to stay cool as they rest in the shade before a college football game between the University of Oklahoma Sooners (OU) and the University of Louisiana Monroe Warhawks at Gaylord Family-Oklahoma Memorial Stadium in Norman, Okla., on Saturday, Aug. 31, 2013. Photo by Bryan Terry The Oklahoman