Marvin Hagler: $45 Million
Marvelous Marvin Hagler dominated the 1980s. From 1980 to 1987, Hagler defended his undisputed middleweight championship an impressive twelve times without a single loss. He delivered 52 knockouts among his 62 wins, boasting the highest knockout rate among all undisputed middleweight champions. Marvelous Marvin Hagler's charismatic personality helped him amass $45 million from fights and endorsements. Hagler legally changed his name to "Marvelous Marvin Hagler" after announcers refused to acknowledge it during his fights.
