3. Greg Norman — $300 Million
Source: iconosquare
Australian professional golfer Greg Norman first hit the greens by serving as his mother’s golf caddy as a teen, and turned pro when he was only 21. During the 1980s and 1990s he was ranked number one in the Official World Golf Rankings. He won the Open Championship twice, and has accumulated a massive 85 international tournaments during his career. A successful entrepreneur, Norman was entered into the Golf Hall of Fame in 2001.