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The NFL season has reached the end of the first quarter. That means it's time to start over, throwing out expectations and preconceived notions that we all carried into the season.

How the teams look right now is much closer to how they'll look when the season ends. With four weeks of knowledge to work with, major shakeups in the power rankings follow.

After Michael Schottey's admirable fill-in for me last week, there will be some natural re-shifting as you get back to reading my take on teams. But Schottey and I see eye to eye on a lot of teams, and his moves are ones I would have made as well.

With four games down and 12 left to play, you'll get each team's first-quarter grade as well as their Week 5 power ranking. Prepare for information overload.