8. The Marvelous Marvin Hagler – $45 million
Source: Instaliga
Not all of the greatest or most noteworthy boxers are heavyweight contenders, of course – middleweight and lightweight boxers are more than able to pull their own weights and prove their worth, just as this incredibly middleweight boxer The Marvelous Marvin Hagler did. Not only did he prove himself as a boxer, he showed his devotion to his sport and title by actually legally changing his name to add Marvelous to it.