Georgia, Alabama, Notre Dame and Clemson held their spots in the top four of the College Football Playoff rankings, and unbeaten Miami moved up three spots to No. 7 before its showdown with the Fighting Irish.
Oklahoma remained fifth and TCU moved up to sixth in the rankings released Tuesday. The Sooners and Horned Frogs play a key Big 12 game on Saturday, with the winner taking sole possession of first place in the conference.
After Miami, unbeaten Wisconsin was No. 8, the highest-ranked Big Ten team. Washington, the highest-ranked Pac-12 team, is ninth and Auburn is 10th.
No. 14 Penn State and No. 15 Ohio State fell out of the top 10 after losses last week.