Longhorns quarterback David Ash has grown as a leader, decision-maker - Article Photos 34/53

Oklahoma's Casey Walker (53) puts pressure on Texas Tech's Seth Doege (7) during a college football game between the University of Oklahoma (OU) and Texas Tech University at Jones AT&T Stadium in Lubbock, Texas, Saturday, Oct. 6, 2012. Oklahoma won 41-20. Photo by Bryan Terry, The Oklahoman