Article Photos: Second-half performance can be building block for Cowboy defense 37/57

Oklahoma State quarterback Zac Robinson (11) throws the ball against Texas Tech during the second 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