Olympic Gold Medal US Swimmer Missy Franklin Is Retiring Franklin cites chronic shoulder pain as the main reason behind her announcement. The 23-year-old has won <br />five Olympic gold medals <br />and set a world record in <br />the 200-meter backstroke. Missy Franklin, via 'ESPN' At just 17, Franklin burst onto the scene in the 2012 Summer Olympics in London, winning four gold medals and stealing <br />the hearts of Americans.
