Let’s say BYU, Boise & SDSU join to get to 14. In order to get the best seed possible you want your champion to have the best SOS it can get so you play an unbalanced schedule based on previous standings (plus you get substantially more good TV matchups).
Here’s what BYU’s conference schedule could potentially look like:
Rivals: Boise, SDSU
SOS: UCF, Cincinnati, Memphis, Houston, SMU, Navy