9) Marvin Hagler (Net worth: $45 Million)

SEE ALSO – Top 5 Richest Boxing Promoters in the World 2015

This former American boxer was a middleweight champion. He is in the International Boxing Hall of Fame. He is widely known as “Marvelous Marvin Hagler”. He has won other titles like “Fighter of the Year” and “Fighter of the Decade.”