Nadia Comaneci
Nadia Comaneci was only 15-years-old when she entered the Olympic Games in Montreal back in 1976 for Romania. She earned five medals that year and earned the Olympics' first-ever perfect 10. In 1980, she left Romania to marry former Olympic gold medal gymnast Bart Conner. They started the Bart Conner Gymnastics Academy, Perfect 10 Production Company, and other ventures.
Sugar Ray Leonard
Sugar Ray Leonard won Olympic Gold in 1976 and went on to have quite a decorated career in boxing. He became the first boxer to earn over $100 million before retiring with a 36-3-1 record. He's remained active in the sport and is currently working as an analyst with multiple networks that cover boxing.