Article Photos: Oklahoma football: After three strong quarters, Sooner defense faltered when it most mattered 46/95

Kansas State's Tre Walker (50) celebrates the 24-19 win over Oklahoma during the college football game between the University of Oklahoma Sooners (OU) and the Kansas State University Wildcats (KSU) at the Gaylord Family-Memorial Stadium on Saturday, Sept. 22, 2012, in Norman, Okla. Photo by Chris Landsberger, The Oklahoman