Article Photos: Oklahoma football: Sooners' secondary shaky without Aaron Colvin, Gabe Lynn 6/99

Oklahoma's Brennan Clay (24) runs past Tulsa's Hayden Carman (95) for a touchdown during a college football game between the University of Oklahoma Sooners (OU) and the Tulsa Golden Hurricane at Gaylord Family-Oklahoma Memorial Stadium in Norman, Okla., on Saturday, Sept. 14, 2013. Photo by Bryan Terry, The Oklahoman