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

Miami drops out of our latest top-four projection, along with Texas Tech following its 26-22 loss at Arizona State . 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 Georgia Tech , No. 17 Vanderbilt and No. 13 Notre Dame -- each of which picked up key victories to strengthen their postseason cases.

Georgia Tech won as a road underdog at Duke to stay unbeaten in ACC play,

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