Two massive upsets and two power conferences announcing a return to play caused significant change in the AP Top 25.
Clemson and Alabama remain atop the poll entering Week 5, but Oklahoma and LSU both dropped 14-plus spots following their upset losses. They fell a bit farther than expected because AP voters are now allowed to rank Big Ten and Pac-12 teams.
And the return of Ohio State, Oregon and others necessitated a larger shakeup near the bottom of the rankings.
Finally, a new AP Top 25 is loaded with storylines.
Week 5 AP Poll
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