Michael Johnson is one of the most successful athletes in Olympic history, but the American returned one of the five gold medals he won years after retirement.

The Olympics have enraptured the world, propelling many previously unknown athletes to become household names. While the newfound notoriety can no doubt be exciting, it can quickly wane once the games ...

If there's anyone who knows a thing or two about claiming gold at the Olympics, it's Michael Johnson. Johnson, 56, is a four-time Olympic gold medalist in track and field. His wins include the 4 x 400 ...