Here are five things Oklahoma fans should know ahead of this week's matchup at TCU:OU and TCU have played a lot recentlyThis is the third time in 12 games for TCU to suit up against the Sooners. Oklahoma defeated the Horned Frogs 38-20 in Norman on Nov. 11. The two teams then met three weeks later in Arlington for the Big 12 Championship, a game the Sooners won 41-17.