Article Photos: Oklahoma football: After three strong quarters, Sooner defense faltered when it most mattered 35/95

Ty Zimmerman (12) and teammates celebrate and Aaron Colvin (14) walks off  with his head bowed after the college football game where the University of Oklahoma Sooners (OU) lost 24-19 to the Kansas State University Wildcats (KSU) at Gaylord Family-Oklahoma Memorial Stadium, Saturday, September 22, 2012. Photo by Steve Sisney, The Oklahoman