Cowboys' defensive line keeps showing improvement - Article Photos 43/66

Oklahoma State's Wilson Youman (86) and Shaun Lewis (11) sack Texas' David Ash (14) 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