The 2003 Big 12 Championship Game was a college football game played on Saturday, December 6, 2003, at Arrowhead Stadium in Kansas City. This was the 8th Big 12 Championship Game and determined the 2003 champion of the Big 12 Conference. The game featured the Kansas State Wildcats, champions of the North division, and the Oklahoma Sooners, champions of the South division. Sponsored by soft drink brand Dr Pepper, the game is officially known as the Dr Pepper Big 12 Championship Game.