2. George Foreman
Estimated net worth: $300 Million
George Foreman was a two-time world heavyweight champion, and Olympic gold medalist, who gained fame by winning gold at the 1968 Olympics before turning professional. He won the heavyweight title in 1973 by knocking out Joe Frazier before losing to Muhammad Ali in the legendary “Rumble in the Jungle” in 1974.
After retiring in 1977, he made a shocking comeback in the 1980s. In 1994, at 45 years old, he reclaimed the heavyweight title by knocking out Michael Moorer, becoming the oldest champion in division history.
He also became a successful entrepreneur, most notably with the George Foreman Grill, which sold over 100 million units. Sadly, he passed away in March 2025.
1. Floyd Mayweather
Estimated net worth: $500 Million
Floyd Mayweather Jr. is widely regarded as one of the greatest fighters in history. He had an undefeated career record of 50-0, winning world titles in five weight classes.
He first gained prominence by winning a bronze medal at the 1996 Olympics before turning professional later that year. His 2017 victory over UFC star Conor McGregor was one of the highest-grossing pay-per-view events ever.
Nicknamed “Money,” he also built a billion-dollar empire through boxing and business ventures, and continues to participate in exhibition fights.
Find out who the richest MMA fighters of all time are, ranked.
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