50 years on, the 1972 Miami Dolphins' undefeated season remains undefeated, Miami Dolphins
Miami Dolphins - Wikipedia
1972 Miami Dolphins perfect season will stand alone among NFL's unbeatens
1972 Miami Dolphins season - Alchetron, the free social encyclopedia
Miami Dolphins Legend Breathes His Last Aged 73 - EssentiallySports
1972 Miami Dolphins Team Signed Undefeated Season Reunion, Lot #83194
Dolphins honor 1972 perfect season team, Sports
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1972 Miami Dolphins: The inside story of the only perfect season in NFL history