Article Photos: Second-half performance can be building block for Cowboy defense 45/62

Texas Tech's Jamar Wall (3) pulls in an interception on a pass intended for Oklahoma State's Tommy Devereaux (10) during the first half of the college football game between the Oklahoma State University Cowboys (OSU) and the Texas Tech University Red Raiders (TTU) at Boone Pickens Stadium  on Saturday, Sept. 22, 2007, in Stillwater, Okla. 

By MATT STRASEN, The Oklahoman