Article Photos: Second-half performance can be building block for Cowboy defense 59/62

Oklahoma State quarterback Zac Robinson (11) out runs Texas Tech's Paul Williams (48) on his way to a touchdown 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 in Stilllwater, Okla., on Saturday, Sept. 22, 2007.

By NATE BILLINGS, The Oklahoman