1972 Miami Dolphins: The inside story of the only perfect season
1972 Miami Dolphins season - Wikipedia
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1972 Miami Dolphins: The inside story of the only perfect season
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50 years on, the 1972 Miami Dolphins' undefeated season remains
1972 Miami Dolphins: The inside story of the only perfect season
50 years on, the 1972 Miami Dolphins' undefeated season remains
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1972 Dolphins remain only perfect team in NFL's 100 years: Here's