Article Photos: Oklahoma State football: Three questions with OSU defensive lineman James Castleman 50/98

Oklahoma State's Clint Chelf (10) reacts after an extra point is made during the college football game between the Oklahoma State University Cowboys (OSU) and Texas Tech University Red Raiders (TTU) at Boone Pickens Stadium on Saturday, Nov. 17, 2012, in Stillwater, Okla.   Photo by Chris Landsberger, The Oklahoman