Rivalry week across college football really had it all. There was fighting, flag-planting, eight overtimes, rivalries renewed and rivalry narratives reinforced. We saw Heisman Trophy contenders demand the spotlight and College Football Playoff contenders shrink when the lights were the brightest.

Coming out of a hugely consequential Rivalry Week with some notable upsets and ranked teams moving up and down the polls, it's time to get another update to the latest Top 25 college football rankings as we move into Championship Weekend.

Michigan's upset win at Ohio State, South Carolina's victory over Clemson and Miami's stunning loss to Syracuse has tossed College Football Playoff projections into a blizzard during rivalry weekend heading into the new Week 15 AP Top 25 rankings.

Both the college football rankings and the College Football Playoff picture took a sharp turn on Saturday. More than a half-dozen ranked teams took losses, leaving voters — and the selection committee — with some tough decisions when it comes to sorting out the new top 25.

As we pick up the pieces from the latest games on Saturday, let’s look ahead to the AP top 25 college football rankings as we head into Rivalry Week action. Who

A pair of top-10 teams from the SEC lost to unranked teams on Saturday, part of a day of upsets up and down the AP Top 25 poll that reshaped the new rankings Sunday.

The unbeaten Ducks are atop the AP Top 25 for the fifth straight week, passing Texas as the No. 1 team for the most polls this season. They received all 62 first-place votes for the third week in a row after scoring their fewest points in 37 games in the 16-13 win over Wisconsin.