NFL Power Rankings: First Quarter Report Card

By Kevin Aherne (@KAherne17)

Twenty-five percent of the 2013 NFL season is behind us, and now we are starting to sort out the haves from the have-nots.  Some teams, such as Kansas City, have had surprising success, while teams like Green Bay and San Francisco have been bitter disappointments.

With thirteen weeks to go, here are my NFL Power Rankings:

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