Marvelous Marvin Hagler was a boxer who held the middleweight championship from 1980 to 1987.Hagler had a 55-1 record in his amateur career, winning the U.S.
National Championship in 1973. He went pro that same year, ranking high among middleweights before taking the world championship from Alan Minter in 1980.
Hagler successfully defended his title 12 times, including notable bouts with Roberto Durán, Thomas Hearns, and John Mugabi.
It was Sugar Ray Leonard who ended Hagler’s long reign as middleweight champion in a Las Vegas fight that ended in a split decision.
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