There are 11 undefeated teams left in the FBS -- eight in the Power 5 conferences and three in the American Athletic Conference. Not all undefeated records, though, are created equally. The 13 members of the College Football Playoff Selection Committee don't reveal their first ranking until Oct. 30, but their task then and for six straight weeks afterward is to sort through comparable résumés and determine what separates teams when their records don't.
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The following are rankings of the remaining undefeated teams, starting with who has the most realistic chance to reach the CFP semifinals and why.