Missouri and Kansas played the one rivalry game with the most on the line in 2007, but there's no doubt the Big 12's defining rivalry over the past decade has been Oklahoma and Texas' annual battle for Big 12 South supremacy. The two titans clash in Dallas every year with the burnt orange and crimson fans split by the 50-yard line, and the pair has combined for eight Big 12 titles in the last 10 years, as well as six national championship game appearances and two national titles.
The aromas of corny dogs and other guilt-riddled delicacies fill the Cotton Bowl at the State Fair of Texas every year, surrounding the field where so many legends were born. Some of the best players to ever wear a college uniform -- such as Vince Young, Sam Bradford, Colt McCoy and Adrian Peterson -- have written their legacies just in the past decade in the Red River Rivalry.
Every year, there's plenty on the line, but never more (during the last decade, anyway) than 2008's 45-35 Texas win that became a dominant storyline in the chase for the national title the rest of the season. As Nebraska leaves for the Big Ten to begin the 21st century's second decade, don't expect the Longhorns and Sooners' yearly clash to leave its perch as the Big 12's best rivalry.