The Big 12 doesn't often get the same spotlight as the SEC and Big Ten, especially, but it provides perhaps the top matchup in Week 11 of college football. No. 8 BYU takes on No. 9 Texas Tech in a battle of teams with conference championship and College Football Playoff aspirations.

Jeff Sagarin, a sports computer rankings expert, is still refining his system for evaluating college football teams at 77, despite knowing perfection is impossible.

The ACC's traditional powers have been overtaken this season, but it could affect the conference's chance at getting multiple CFP bids.

No. 8 BYU (8-0): The Cougars cleared their first major Big 12 test by toppling rival Utah in the Holy War, but November brings two tricky road hurdles -- at Texas Tech and at Cincinnati -- that could define their playoff fate. BYU was 9-0 last season before losing consecutive games in the final month.