We had a lot of movement in the power rankings following a huge Saturday of games. Oregon grabs the No. 2 spot with its impressive win at Penn State , while Alabama and Georgia are headed in opposite directions after the Crimson Tide's 24-21 road victory.

The biggest fallers after Week 5 are Penn State, LSU, Florida State and Oklahoma . The Sooners dropped because of the injury to quarterback John Mateer , who was the Heisman Trophy favorite before being sidelined with a hand injury that is expected to keep him out of action for a few weeks.

Each week during the season, I'll break down the rankings by tiers so bettors can see where I cut off each group. I'll also move teams based on results, discuss changes in the betting market and set the hypothetical point spread from Ti

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