Article Photos: Longhorns quarterback David Ash has grown as a leader, decision-maker 22/53

Oklahoma's Kenny Stills (4) celebrates beside Oklahoma's Lacoltan Bester (18) after a touchdown 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