George Foreman
Yet another athlete in our list is Olympic gold medalist and two-time heavyweight champion George Foreman who suffered his first defeat to Muhammed Ali. Well, as it seems, a boxing career always takes its toll on the health of anybody, and Foreman found another option for earning a living. George Foreman decided that his health was his top priority when he retires from boxing. He opted instead to become the spokesman for a slimming grill, which is not known as George Forman Grill. A sales record of over 100 million units as of 2009 means that the former boxer is doing well for himself in his second career.