What a Saturday it was in college football.Travis Hunter further solidified himself as the Heisman favorite in Colorado's win over Utah. The Buffs are also proving to be more legitimate each week as they're in the driver's seat for a spot in the Big 12 Championship Game.

Some of the best teams in the country faced upset scares in Week 12 but only further solidified their standing in the college football rankings with their ability to endure the late-season pressure and avoid taking a costly loss.

Was something in the air in Week 12? We are now down to three undefeated FBS teams following No. 6 BYU's loss to Kansas on Saturday night, and in total, five AP Top 25 teams lost to unranked opponents.