George Frey - Getty Images
Alabama and Oregon remain 1-2, and the Pac-12 and the west has 4 ranked teams, as Boise St. is sitting just outside the top 25. USC remains at #12, and Stanford slipped to #22 as a result of not beating Notre Dame before getting into a position for officiating failure to waylay them. The fact that the Cardinal shouldn't have lost has kept them afloat in all the polls.
You can compare the nation-wide results to how BTD voted here.