5. Rafael Nadal – $120 Million
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Winner of all four Grand Slam titles and the Olympic Gold Medal in 2008, Rafael Nadal is one of a select class of tennis players who can say that they have won a career Grand Slam. Nadal is most famous for his dominance on clay courts, having won the French Open a record nine times. Nadal has also won more ATP Masters titles than any other player in the history of the sport. With over $45 million in career tournament winnings, and over $20 million a year in endorsements, Rafa has amassed a net worth of $120 million.