Share:The Big 12 was run by the Oklahoma Sooners ever because Lincoln Riley took over as head trainer. In a couple of decades, the Sooners have two Big 12 titles, two Heisman winners, plus 2 appearances in the College Football Playoff. However, the Sooners have failed to achieve perfection up to now. An undefeated season is a large bar, but it is the only way to ensure that a Playoff berth in today’s league. The Sooners missed the Playoff last year. Thus, what will it require to go undefeated in 2019? Below are a few keys.