The world’s most famous, wealthiest athletes are all men. Dwayne “The Rock” Johnson Net Worth: $400M; Phil Mickelson Net Worth -$400m Jack Nicklaus’ net worth is also at 400 million dollars Greg Norman has around that same amount to his name! Cristiano Ronaldo may be currently worth 500 million pounds sterling; however, it was reported back in 2008 when he signed for Real Madrid from Manchester United Football Club (now known as Man Utd