Article Photos: Second-half performance can be building block for Cowboy defense 4/57

OSU's Perrish Cox (16) defends on Texas Tech's Edward Britton 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