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March Madness: 5 Best Defensive Teams in the NCAA Tournament

If you believe defense wins championships, these are the teams you want to lean on in once the NCAA Tournament gets underway.

The old adage that defense wins champions has been thrown around for years, but there is actually legitimate information to back that up.

Five of the last seven national champions have ranked in the country's top 25 with regard to opponent offensive rating, and while the best defensive teams don't always reach March Madness on defense alone, it's a skill successful squads must have. In turn, it's something you need to keep an eye on when filling out brackets.

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The following five teams are the cream of the crop when it comes to putting the clamps on their opponents.

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