Never mind that, based on reading as much as possible, the Big 12 tiebreaker won't matter for the birth in the Sugar Bowl if OU makes the college football playoff.
It will go to the team with the highest ranking in the CFP. Good luck with that.
Be that as it may, there has been some debate about how the Big 12 tiebreaker works as Baylor fans refuse basic logic, which is not surprising.
So here it is, direct from Big12Sports.com...
The following procedure will determine the Conference Champion. The tiebreaker will also be used to break other ties as necessary.