2008 Big 12 football standings
	Conf				Overall
Team		W		L		W		L
Northern Division
#19 Missouri xy		5	–	3		10	–	4
Nebraska x		5	–	3		9	–	4
Kansas		4	–	4		8	–	5
Colorado		2	–	6		5	–	7
Kansas State		2	–	6		5	–	7
Iowa State		0	–	8		2	–	10
Southern Division
#5 Oklahoma xy$		7	–	1		12	–	2
#4 Texas x%		7	–	1		12	–	1
#12 Texas Tech x		7	–	1		11	–	2
#16 Oklahoma State		5	–	3		9	–	4
Baylor		2	–	6		4	–	8
Texas A&M		2	–	6		4	–	8
Championship: Oklahoma 62, Missouri 21
$ – BCS representative as conference champion % – BCS at-large representative x – Division champion/co-champions y – Championship game participant Rankings from AP Poll

The 2008 Dr. Pepper Big 12 Championship Game was held on December 6, 2008 at Arrowhead Stadium in Kansas City, Missouri, and pitted two of the divisional winners from the Big 12 Conference: the Missouri Tigers, winner of the North division against the Oklahoma Sooners, co-champion of the South division. Kickoff was scheduled for 8PM EST/5pm PST, and was televised by ABC as part of its Saturday Night Football package.

Per Big 12 policy, the Big 12 South Champion was declared the home team because the game took place in a home state of a Big 12 North team. Entering the game, designated "home" teams were 8–4 in Big 12 Championship Games.

The Big 12 Championship Game matched up the winners of the North and South divisions of the Big 12 Conference. The game was first played in 1996, when the conference was formed from the previous Big 8 plus four teams from the disbanded Southwest Conference. The championship game was somewhat modeled on the SEC format, which was the first conference in college football to have a conference championship game.

Six Division I FBS conferences currently have championship games—the ACC, Big Ten, C-USA, MAC, Pac-12, and SEC. However, the Big 12 title game ended after the 2010 edition. A major conference realignment that started in 2010 and carried over into 2011 saw the Big 12 drop to 10 members, below the 12 required by NCAA rules for a conference championship game. The same realignment saw the Big Ten and former Pac-10 expand to 12 teams each; both conferences will hold their first championship games in 2011.

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