2023 Big 12 Championship Game: Texas vs. Oklahoma State set as Cowboys clinch with dramatic win over BYU | CBS Sports Headlines 2023 Big 12 Championship Game: Texas vs. Oklahoma State set as Cowboys clinch with dramatic win over BYU The Longhorns are searching for their first Big 12 championship … Continue reading 2023 Big 12 Championship Game: Texas vs. Oklahoma State set as Cowboys clinch with dramatic win over BYU