1972 Miami Dolphins remain only undefeated team in NFL History
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50 years on, the 1972 Miami Dolphins' undefeated season remains
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Current Miami Dolphins hold undefeated 1972 team in reverence
50 years on, the 1972 Miami Dolphins' undefeated season remains
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The 1972 Miami Dolphins are STILL the only undefeated NFL team in