No. 17 USC recorded a statement win with a 26-21 victory over No. 21 Iowa at home. The Trojans held the Hawkeyes scoreless in the second half and erased an early 21-7 deficit to move to 8-2 (6-1 Big Ten). USC was powered by another big performance from star wide receiver Makai Lemon, who finished with 10 catches for 153 yards and a touchdown.

Six teams in the AP Top 25 lost in Week 12, including two from the ACC and two from the SEC. Several others escaped upsets.

Georgia would replace Alabama as a top-four seed and receive a first-round bye in the College Football Playoff on a bracket based on the new Top 25.

A pair of top-tier SEC matchups created a new No. 4 team in the nation. Alabama vacated that spot amid a 23-21 home loss to Oklahoma with Georgia sliding into first-round bye position after dominating Texas, 35-10. The Sooners now sit No. 8, two spots ahead of the Crimson Tide.

Defending champion North Central once again looks like the team to beat in D3. Here's how to watch all the action on the road to the Stagg Bowl.