15. Michael Jordan
When youre the greatest of all time, youre likely going to have the bank account to back that up. What can be said about Michael Jordan that hasnt already been said? Not much, really. So, lets instead marvel at the fact that Michael Jordan has managed to become an athlete worth $1 billion! We were talking about LeBron earlier. If he wants to beat M.J. for the G.O.A.T. honors, hes going to have to make it happen on the court… And on the balance sheet!