The College Football Playoff rankings are guaranteed to see one of their biggest shake-ups of the season after a Week 8 that threw the entire AP Top 25 poll into a blender.

Some of it was inevitable, as every AP Top 25 team was in action this weekend, and the teams that finished No. 26 ( Michigan ) and No. 27 ( Washington ) faced each other. In total, Week 8 featured five ranked-on-ranked matchups and nine total losses by ranked teams. So when the new AP Top 25 is released on Sunday, expect plenty of movement in the rankings.

As for the headliners, it's hard to get past what Clark Lea has done at Vanderbilt -- and what the Commodores are set to do on Sunday -- following their win over LSU . According to our research, Vanderbilt has never been ranked higher than No. 10 in the AP

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