With 22 medals, including 18 gold, swimmer Michael Phelps is the most decorated U.S. Olympian in history. At age 31, and with a new baby boy, he has said this fifth Olympics will be his last.
With 22 medals, including 18 gold, swimmer Michael Phelps is the most decorated U.S. Olympian in history. At age 31, and with a new baby boy, he has said this fifth Olympics will be his last. Nati Harnik AP
With 22 medals, including 18 gold, swimmer Michael Phelps is the most decorated U.S. Olympian in history. At age 31, and with a new baby boy, he has said this fifth Olympics will be his last. Nati Harnik AP

A dozen Team USA athletes who are heavy medal favorites in Rio

July 30, 2016 05:45 PM