I wrote "impossibility"...meant "impossibility for BYU to not get it in".
With a 12-0 record, BYU would clearly be in over 12-0, 11-1, or 10-2 Bama, FSU, Oregon, Oklahoma, Auburn, Baylor, ND, Texas A&M, UCLA, Michigan St, Ole Miss, Georgia, LSU, Stanford, Ohio St, Usc, etc.