If they play in the same division, then they are natural rivals since they play each other twice a season (three times if they meet in the playoffs).

But what about non-divisional teams?

I pose the question because I must have read at least a dozen articles during the offseason that proclaimed the New Orleans Saints and Minnesota Vikings as either A) the NFL's newest rivalry, or B) a budding NFL rivalry.

Since the NFL announced the Saints and Vikings would kickoff the 2010 season on September 9 —a rematch of January's NFC Championship Game— the debate has raged between me and my friends in Louisiana and Minnesota.

They say the rivalry is ...

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