Four interceptions from and a shaky, unprepared start doomed on Friday night as one of the nation's Playoff frontrunners took a hard fall in Week 8, losing to in a stunning upset.

Miami drops out of our latest top-four projection, along with following its 26-22 loss at . The Red Raiders' setback adds even more chaos to the Big 12 race, where nearly a dozen teams remain mathematically alive for the conference title at midseason.

Several programs took advantage of the shakeups, including No. 12 , No. 17 and No. 13 -- each of which picked up key victories to strengthen their postseason cases.

Georgia Tech won as a road underdog at to stay unbeaten in ACC play, Vanderbilt knocked off No. 10 and Notre Dame handled No. 20 . held its spot as the projected SEC champion a

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