Article Photos: Oklahoma football: After three strong quarters, Sooner defense faltered when it most mattered 65/95

Oklahoma's Justin Brown (19) is brought down by Kansas State's Arthur Brown (4) 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