If the old adage that “defense wins championships” is true, then there are 10 teams with very good shots at winning a championship in 2012.

We're already in October, and every game becomes increasingly important, particularly now that most teams are entering the heart of conference play.

So which defenses are making the grade? Which teams have solid D's that measure up to championship caliber? Can these defenses lead their teams to the ultimate prize: a BCS National Championship?

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