Defending Super Bowl champions top ranking of all 32 teams

It's May, and nobody really knows which teams are the best and the worst, but that's what makes the NFL so intriguing when the real games finally start.

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A team ranked in the bottom quarter of this list is sure to make the playoffs; conversely, a team perched up in the top quarter is sure to fall. The Dolphins and Falcons surprised everyone a year ago, and it's bound to happen again.

The quarterback position, as well as the defense, the division, and the number of play makers are all critical. Roster depth also plays an important role in ranking teams. Combine that information with a team's offseason free-agent acquisitions and losses, along with the projected success of the draft class, and maybe you can settle on ranking the teams in a reasonable order.