Article Photos: Big 12 appears tougher than it has ever been — if not more 22/69

Oklahoma State's Tyler Johnson (40) tries to bring down Texas' David Ash (14) 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 Bryan Terry, The Oklahoman