The 2018 Big 12 Championship Game was a college football game played on Saturday, December 1, 2018, at AT&T Stadium in Arlington. This was the 17th Big 12 Championship Game and determined the 2020 champion of the Big 12 Conference. The game featured the top-seeded, Oklahoma Sooners and the second-seeded, Texas Longhorns. Sponsored by soft drink company Dr Pepper, the game was known as the Dr Pepper Big 12 Championship Game.