Which Big 12 Team is Historically the Most Overrated/Underrated?

The recent release of the AP preseason poll features four Big 12 teams, with Oklahoma, TCU, West Virginia and Texas all ranked. The AP preseason poll has been around since 1950, and a site called preseason.stassen.com has kept track of the difference of each team’s preseason and final AP rankings since 1989. The data has revealed some interesting trends on which teams are often underrated and overrated, and the statistics are specifically variant