Georgia, Michigan, TCU and Ohio State were the top four in the final Associated Press college football poll of the regular season.
The Bulldogs (13-0) are No. 1 for the ninth straight week and 12th time this season in the AP Top 25 presented by Regions Bank. Georgia received 62 first-place votes and Michigan (13-0) received the other one in the poll released Sunday.
TCU (12-1) remained third, despite losing for the first time this season in the Big 12 title game on Saturday. The Horned Frogs lost in overtime to Kanas State.
The Buckeyes moved up a spot to No. 4, ahead of Alabama and Tennessee.
The final College Football Playoff rankings to set the four-team field for the national championship tournament was also released on Sunday and features the same top four.
The defending national champion and top-ranked Bulldogs and fourth-seeded Buckeyes will meet Dec. 31 at the Peach Bowl in Atlanta. The second-seeded Wolverines and third-ranked Horned Frogs, the lone first-timer in the final four, will play at the Fiesta Bowl in Glendale, Arizona, the same day.
Utah was No. 7 after beating Southern California in the Pac-12 championship game. The Trojans slipped four spots to No. 8.
Penn State was ninth and Clemson stayed at No. 10 after winning the Atlantic Coast Conference title.
Big 12 champ Kansas State moved up two spots to No. 11.
Tulane reached a season-high 14th after winning the American Athletic Conference and Troy made its season debut at No. 23.