Miami Dolphins complete perfect NFL season.
1972 Miami Dolphins' 50-year anniversary: Five interesting facts
1972 Miami Dolphins: Game-by-game run of the perfect season
1972 Miami Dolphins: Game-by-game run of the perfect season
1972 Miami Dolphins: Game-by-game run of the perfect season
1972 Miami Dolphins: Game-by-game run of the perfect season
NFL Perfect Season: Relive Miami Dolphins' Perfect 1972 Season The
1972 Miami Dolphins: Game-by-game run of the perfect season
The 1972 Miami Dolphins still have the NFL's only perfect season
The 1972 Miami Dolphins still have the NFL's only perfect season