Beijing GoldMICHAEL PHELPS GOLD MEDAL - 4th of 8Michael Phelps of the U.S holds his gold medal after winning the men's 200 meters butterfly swimming final at the National Aquatics Center during the Beijing 2008 Olympic Games August 13, 2008. Phelps swam his way intoMICHAEL PHELPS GOLD MEDAL - 4th of 8Michael Phelps of the U.S holds his gold medal after winning the men's 200 meters butterfly swimming final at the National Aquatics Center during the Beijing 2008 Olympic Games August 13, 2008. Phelps swam his way into sporting immortality on Aug. 17, 2008, by winning his eighth gold medal at the Beijing Olympics. The 23-year-old, who had already won more gold medals than any other athlete at the Olympics, broke Mark Spitz's record of seven golds at a single Games, set at Munich in 1972.REUTERS/Wolfgang Rattay/FilesPhelps Celebrates Gold With the American FlagMichael Phelps of the U.S. holds his 19th Olympic medal presented to him in the men's 4x200m freestyle relay victory ceremony during the London 2012 Olympic Games at the Aquatics Centre July 31, 2012.Michael Phelps of the U.S. holds his 19th Olympic medal presented to him in the men's 4x200m freestyle relay victory ceremony during the London 2012 Olympic Games at the Aquatics Centre July 31, 2012.REUTERS/Michael DalderPhelps Holds Up Another Gold MedalMichael Phelps of the U.S. poses with his gold medal after winning the men's 4x100m medley relay final during the London 2012 Olympic Games at the Aquatics Centre August 4, 2012. Phelps ended his incredible Olympic career on the perfect note on Saturday,Michael Phelps of the U.S. poses with his gold medal after winning the men's 4x100m medley relay final during the London 2012 Olympic Games at the Aquatics Centre August 4, 2012. Phelps ended his incredible Olympic career on the perfect note on Saturday, winning his 18th gold medal for the United States in the men's medley relay, the last time he will swim a competitive race. Swimming the butterfly leg, the most decorated Olympian of all time went out as the ultimate winner when he joined forces with Matt Grevers, Brendan Hansen and Nathan Adrian to crush their opponents and win the gold.REUTERS/Jorge SilvaPhelps Kisses His Gold in BeijingMICHAEL PHELPS GOLD MEDAL - 2nd of 8Michael Phelps of the U.S. kisses his second gold medal after the men's 4x100m freestyle relay swimming final at the National Aquatics Center during the Beijing 2008 Olympic Games August 11, 2008. Phelps swam his way inMICHAEL PHELPS GOLD MEDAL - 2nd of 8Michael Phelps of the U.S. kisses his second gold medal after the men's 4x100m freestyle relay swimming final at the National Aquatics Center during the Beijing 2008 Olympic Games August 11, 2008. Phelps swam his way into sporting immortality on Aug. 17, 2008, by winning his eighth gold medal at the Beijing Olympics. The 23-year-old, who had already won more gold medals than any other athlete at the Olympics, broke Mark Spitz's record of seven golds at a single Games, set at Munich in 1972.REUTERS/Wolfgang RattayFilesPhelps Shows Off Another GoldMICHAEL PHELPS GOLD MEDAL - 5th of 8Michael Phelps of the U.S. holds up his gold medal after the U.S. won the men's 4 x 200 meters freestyle relay swimming final during the Beijing 2008 Olympic Games at the National Aquatics Center, August 13, 2008. PhelpMICHAEL PHELPS GOLD MEDAL - 5th of 8Michael Phelps of the U.S. holds up his gold medal after the U.S. won the men's 4 x 200 meters freestyle relay swimming final during the Beijing 2008 Olympic Games at the National Aquatics Center, August 13, 2008. Phelps swam his way into sporting immortality on Aug. 17, 2008, by winning his eighth gold medal at the Beijing Olympics. The 23-year-old, who had already won more gold medals than any other athlete at the Olympics, broke Mark Spitz's record of seven golds at a single Games, set at Munich in 1972.REUTERS/David GrayPhelps Pledges in Front of Olympic RingsGold medallist Michael Phelps of the U.S. listens to his national anthem during the men's 200m individual medley victory ceremony during the London 2012 Olympic Games at the Aquatics Centre August 2, 2012.Gold medallist Michael Phelps of the U.S. listens to his national anthem during the men's 200m individual medley victory ceremony during the London 2012 Olympic Games at the Aquatics Centre August 2, 2012.REUTERS/David GrayPhelps Shows His Silver With His TeamNathan Adrian, Michael Phelps, Cullen Jones and Ryan Lochte (L-R) of the U.S. pose with their silver medals in the men's 4x100m freestyle relay victory ceremony during the London 2012 Olympic Games at the Aquatics Centre July 29, 2012.Nathan Adrian, Michael Phelps, Cullen Jones and Ryan Lochte (L-R) of the U.S. pose with their silver medals in the men's 4x100m freestyle relay victory ceremony during the London 2012 Olympic Games at the Aquatics Centre July 29, 2012.REUTERS/David GrayPhelps Wins Most DecoratedMichael Phelps of the U.S. celebrates with his trophy awarded to him by FINA honouring him as the most decorated Olympian of all time, after winning the men's 4x100m medley relay final during the London 2012 Olympic Games at the Aquatics Centre August 4,Michael Phelps of the U.S. celebrates with his trophy awarded to him by FINA honouring him as the most decorated Olympian of all time, after winning the men's 4x100m medley relay final during the London 2012 Olympic Games at the Aquatics Centre August 4, 2012. Phelps ended his incredible Olympic career on the perfect note on Saturday, winning his 18th gold medal for the United States in the men's medley relay, the last time he will swim a competitive race. The trophy reads, "To Michael Phelps, the greatest Olympic athlete of all time, from FINA".REUTERS/Tim Wimborne
