4
Leach had a major influence on the game and a huge impact on current reputation of the Big 12. His offensive philosophy is at Texas Tech, TCU, Oklahoma State, Baylor, West Virginia and all over college football. Current Big 12 coaches Kliff Kingsbury, Lincoln Riley, Dana Holgorsen, and Sonny Cumbie played for or were on Leach's staff.
3
Mack Brown | Texas | 1998-2013
Brown woke up the sleeping giant at Texas. From 2001-09, he won 10 or more games in each season. In 2005, the Longhorns won their first national championship in 35 years.