Article Photos: Oklahoma football: After three strong quarters, Sooner defense faltered when it most mattered 34/95

Kansas State's Collin Klein (7) reacts as the clock runs out during a college football game between the University of Oklahoma Sooners (OU) and the Kansas State University Wildcats (KSU) at Gaylord Family-Oklahoma Memorial Stadium, Saturday, September 22, 2012. Oklahoma lost 24-19. Photo by Bryan Terry, The Oklahoman