College football rankings: Shakeup to Bottom 25 Playoff race as Arizona, UNLV pick up first wins | CBS Sports Headlines College football rankings: Shakeup to Bottom 25 Playoff race as Arizona, UNLV pick up first wins Anybody can rank the best teams, but only The Bottom 25 ranks the worst … Continue reading College football rankings: Shakeup to Bottom 25 Playoff race as Arizona, UNLV pick up first wins