WBC Welterweight Champion Floyd Mayweather Jr. of the U.S. Poses on the Scale During an Official Weigh-in at the MGM Grand Garden Arenain Las Vegas
Standing on the weighing scale once a week reduces the chance of being overweight. REUTERS

1 Floyd Mayweather Jr.

Age: 37
Net Worth: $280 Million

Floyd Mayweather is dubbed as the most successful and active boxer today with a perfect record in his career as a pro. Mayweather is the first athlete besides Tiger Woods to earn $100 million in Forbes list of highest-paid athletes. Besides boxing, he is also a main media figure with appearances at the WWE and Dancing with the Stars.

2 George Foreman

Age: 65
Net Worth: $250 Million

The second richest boxer did not make his fortune in the ring - he made it in the grill. It is reported that George Foreman made $200 million of his $250 million net worth through selling the famous George Foreman grill, which is also one of the best-selling housewares in the United States.

3 Oscar De La Hoya

Age: 41
Net Worth: $200 Million

Right after graduating from James A. Garfield High School, he won a gold medal at the Barcelona Olympic Games and Oscar De La Hoya made more money out of pay-per-view fights than in boxing. He founded one of the most successful promotional companies in boxing, the Golden Boy Promotions.

4 Lennox Lewis

Age: 48
Net Worth $140 Million

Lennox Lewis is one of the most feared heavyweight boxers during his time and a former undisputed world heavyweight champion. He turned professional in 1989 and retired in 2004 with a record of 41 wins, 2 loses and 1 draw.

5 Sugar Ray Leonard

Age: 58
Net Worth: $120 Million

Sugar Ray Leonard was a force in the boxing realm and he retired in 1997 holding a record of 36 wins, 3 loses and 1 draw with a comfortable $120 million net worth. Apart from being a professional boxer, he is also a motivational speaker and an occasional actor.

6 Manny Pacquiao

Age: 35
Net Worth: $100 Million

Manny Pacquiao is a Filipino boxer with a total record of 55 wins, 5 losses and 2 draws. He was also elected to the House of Representatives as a congressman of the Philippines. He is scheduled to face Chris Algieri on Nov. 22 in Macau, China.

7 Vitali Klitschko

Age: 43
Net Worth: $65 Million

Vitali Klitschko is not a typical boxer. Apart from being a former WBO and WBC champion he also holds a PhD, an avid chess player and a politician. He retired from professional boxing last year with a total record of 45 wins and 2 losses but he remained the leader of the Ukrainian Democratic Alliance for Reform.

8 Muhammad Ali

Age: 72
Net Worth: $50 Million

Muhammad Ali is one of the iconic boxers of all time and his part in and out of the ring has been legendary. Unfortunately, he was diagnosed with Parkinson's disease, which he has been battling for over 30 years.

9 Marvin Hagler

Age: 60
Net Worth: $45 Million

Marvin Hagler was an animal in the ring with stellar performances. He was only defeated once by Sugar Ray Leonard in 1987, which was also his last fight. He retired in Italy with occasional movie appearances and approximately have a $45 million net worth.

10 Ricky Hatton

Age: 35
Net Worth: $40 Million

Apart from being a former WBO, WBA (Super), IBF, IBO and the The Ring Light Welterweight Champion, Ricky Hatton is one of the most financially successful boxers but he retired early in 2011, after he'd lost a big fight with Manny Pacquiao. He made a comeback in 2012 but he retired again after two months.

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