Article Photos: Big 12 appears tougher than it has ever been — if not more 21/69

Oklahoma State's Wes Lunt (11) walks to the OSU huddle during a college football game between Oklahoma State University (OSU) and the University of Texas (UT) at Boone Pickens Stadium in Stillwater, Okla., Saturday, Sept. 29, 2012. Photo by Sarah Phipps, The Oklahoman