Cowboys' defensive line keeps showing improvement - Article Photos 39/66

Oklahoma State's Wilson Youman (86) and Caleb Lavey (45) tackle Texas' Mike Davis (1) during second half of a college football game between the Oklahoma State University Cowboys (OSU) and the University of Texas Longhorns (UT) at Darrell K Royal-Texas Memorial Stadium in Austin, Texas, Saturday, Oct. 15, 2011. Photo by Sarah Phipps, The Oklahoman