Michael Phelps

Associated Press
FILE - In this Aug. 15, 2004 file photo, Michael Phelps of the U.S. reacts after finishing in a semifinal heat of the 200m freestyle at the 2004 Olympic Games in Athens, Greece. Phelps retires with twice as many golds as any other Olympian, and his total of 22 medals is easily the best mark, (AP Photo/Thomas Kienzle, File)

View gallery

172 photos

Olympic champion Michael Phelps has announced his intention to retire after the London Olympics. 

View Comments (0)