"There are a number of advantages to matching our top two teams," Big 12 commissioner Bob Bowlsby said in a statement. "Given our round-robin, nine-game scheduling model, it is expected the Big 12 champion will be uniquely positioned for College Football Playoff consideration."
Uniquely positioned is right; they're the only ones that are doing it. I've said it before, the Big 12 is the equivalent of the Emperor's New Clothes.