Article Photos: Oklahoma State football: Clint Chelf finds himself 13/63

Oklahoma State 's Trace Clark (90) puts pressure on Texas Tech's Davis Webb (7) during the college football game between the Oklahoma State University Cowboys (OSU) and the Texas Tech University Red Raiders (TTU) at Jones AT&T Stadium in Lubbock, Tex. on Saturday, Nov. 2, 2013.  Photo by Chris Landsberger, The Oklahoman