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    4 teams got close to '72 Dolphins record

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4 teams got close to '72 Dolphins record

Only 4 teams have come within a game of perfection since the '72 Miami Dolphins went undefeated. Erin Burnett reports.

4 teams got close to '72 Dolphins record

Only 4 teams have come within a game of perfection since the '72 Miami Dolphins went undefeated. Erin Burnett reports.