Mississippi's first loss of the season dropped the Rebels four spots in The Associated Press college football poll to No. 7 and left Mississippi State, Florida State, Alabama and Auburn in the top four as the College Football Playoff selection committee prepares its first rankings.
No. 1 Mississippi State (46 first-place votes) and No. 2 Florida State (14) are the only unbeaten teams left in the Big Five conferences.
Ole Miss was beaten 10-7 at LSU on Saturday night. The Tigers moved up eight spots to No. 16, the largest jump after a weekend when only two ranked teams lost.
The 14th-ranked Wildcats routed Washington State in Pullman on Saturday.
No. 24 Duke, the defending ACC Coastal Division champs, is in for the first time this season.
The first selection committee top 25 will be released Tuesday night.
The pairings for the College Football Playoff will be revealed Dec. 7.
Information from The Associated Press was used in this report.