Just two Saturdays remain before the conference championships are decided in college football, making the stakes higher and higher around the country each week. All around the nation there are teams struggling to crack their league's title game and make their way into the top 12 in the College Football Playoff rankings.

Week 12 was defined by Georgia, who re-established itself as a national title contender and a top 10 team with a convincing 31-17 win against Tennessee down in Athens. There was also some shuffling at the top of the Big 12, as BYU lost its first game of the season against Kansas and Arizona State picked up a massive road win against Kansas State to move into position to reach the conference title game.

As a result, Deion Sanders and Colorado are now in a tie for first in the Big 12 and have a clear path to the conference title game in Arlington. Georgia moves back into the top 10, and Arizona State-BYU is a top 25 matchup with huge playoff implications. Who would've thought?

Here are the selection committee's full rankings heading into Week 13.

  1. Oregon (11-0)
  2. Ohio State (9-1)
  3. Texas (9-1)
  4. Penn State (9-1)
  5. Indiana (10-0)
  6. Notre Dame (9-1)
  7. Alabama (8-2)
  8. Miami (FL) (9-1)
  9. Ole Miss (8-2)
  10. Georgia (8-2)
  11. Tennessee (8-2)
  12. Boise State (9-1)
  13. SMU (9-1)
  14. BYU (9-1)
  15. Texas A&M (8-2)
  16. Colorado (8-2)
  17. Clemson (8-2)
  18. South Carolina (7-3)
  19. Army (9-0)
  20. Tulane (9-2)
  21. Arizona State (8-2)
  22. Iowa State (8-2)
  23. Missouri (7-3)
  24. UNLV (8-2)
  25. Illinois (7-3)
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BYu was the biggest faller this week, as they plummeted eight spots to No. 14 after a home loss to 4-6 Kansas. The Jayhawks will have a chance to play spoiler again this weekend when they host No. 16 Colorado.

Crucially, BYU fell below Boise State in the rankings, meaning that the Broncos would earn the fourth first-round bye in the CFP as the Mountain West Champion, while the Big 12 winner would have to go on the road in the first round. Boise State also picked up a ranked win on its resume with UNLV moving into the rankings, so the Broncos have to be pleased with these rankings even though they didn't move up as much as they might have anticipated.

Indiana remained at No. 5 ahead of a make-or-break game in Columbus against No. 2 Ohio State on Saturday. A loss could drop the Hoosiers down in the rankings in a similar fashion to BYU due to the lack of quality wins on their schedule. However, a win against Ohio State could launch them up to No. 2.

Arguably the most consequential game of the weekend will take place on Saturday night when No. 19 Army takes on No. 6 Notre Dame. A loss for the Irish would likely eliminate it from the playoff picture, but it would also vault Army into the conversation for a playoff spot, putting the Big 12 in jeopardy of being left out of the bracket altogether. It's an unlikely scenario, but it is one that's very much on the table as the season winds down.