* - Includes Big 7, Big 6 and Missouri Valley Championships
1 - Includes 1972 Big 8 Conference Championship; Oklahoma finished 1st at 6-1 ahead of 5-1-1 Nebraska, but had to forfeit the Missouri, Kansas, and Oklahoma State games due to the use of an ineligible player (freshman QB Kerry Jackson)
2 - Includes 1918 Southwest Conference Championship; Texas finished 4-0 and Oklahoma 2-0, but no champion was officially recognized due to the unbalanced conference schedule
3 - Won share of 2011 Big East championship
Nebraska moved to the Big Ten after 2010. Prior to that, they had 43 total championships (2 in the Big 12), the last being in 1999.
Colorado moved to the Pac-12 after 2010. Prior to that, they had 6 total championships (1 in the Big 12), the last being in 2001.
Texas A&M moved to the SEC after 2011. Prior to that, they had 18 total championships (1 in the Big 12), the last being in 1998.
Missouri moved to the SEC after 2011. Prior to that, they had 12 total championships (0 in the Big 12), the last being in 1969.