4. Greg Norman
Greg Norman is an Australian born golf player who led a very successful career in his best days. He was inducted into the World Golf Hall of Fame in 2001 after winning 20 PGA tours.
He was ranked the best golf player in the 1980s and 1990s. His achievements have made him one of the best golf hall of fame personalities in Australia. The 58-year-old legend has a net worth of $300 million.
Norman seems to have loved the game so much that after retiring he devoted his time to his company which produces golf equipment and designs golf courses.