NFL Week 5 Power Rankings: Defensive dominance separates the league's elite

There have been a stream of explosive offensive performances this season, including Ben Roethlisberger’s five-TD show on Sunday night and the Falcons’ dismantling of Carolina’s defense earlier in the day.

The top of this week’s Power Rankings, though, pay tribute to defense. That is what won last season’s Super Bowl, and it could be the ticket back to the championship again, if the teams currently atop the AFC and NFC are any indication.

Here’s how everyone stacks up a quarter of the way into the season:

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