In his last individual race as an Olympic swimmer, American Michael Phelps won his 21st medal and 17th gold of his career in the 100-meter butterfly final.
It was a fitting end to an era of American swimming defined by Phelps, who also set the world record for the event.
"I just wanted this one to be a win. We can smile and be happy. It was fun," Phelps said when he got out of the pool in London's Aquatics Centre.
Phelps will have one more chance to add to his medal count Saturday, when he...Full Story