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Franchise History of the Miami Dolphins


The Dolphins joined the AFL in 1966 and quickly became one of pro football's winningest teams.  In 1972, the team posted the NFL's only perfect season with a 17-0 record topped by a victory in Super Bowl VII.  The Dolphins have been perennial playoff contenders and, since the AFL-NFL merger in 1970, have compiled the best winning percentage of any team in the league.

Miami Dolphins Franchise History
Year Team
1970-present Miami Dolphins (NFL)
1966-1969 Miami Dolphins (AFL)



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