Article Photos: Second-half performance can be building block for Cowboy defense 21/62

OSU's Brandon Pettigrew (87) dives into the end zone for a touchdown in front of Texas Tech's Darcel McBath (7) in the fourth quarter 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 Stillwater, Okla., on Saturday, Sept. 22, 2007. OSU won, 49-45. Pettigrew's touchdown was the go-ahead score for the Cowboys. By NATE BILLINGS, The Oklahoman