Ryan Lochte

France's Yannick Agnel, right, and United States' Ryan Lochte, compete in the men's 4x100-meter freestyle relay final at the Aquatics Centre in the Olympic Park during the 2012 Summer Olympics in London, Sunday, July 29, 2012. Agnel came from behind in the anchor leg to push ahead of Ryan Lochte and the Americans and win the 4x100 gold.

From left: Adrian Nathan, Ryan Lochte, Cullen Jones and Michael Phelps of the United States pose with their silver medals won during the Men's 4 x 100m Freestyle Relay final on Day 2 of the London 2012 Olympic Games at the Aquatics Center on July 29, 2012 in London, England.

U.S. swimmer Ryan Lochte prepares to compete in the men's 200m freestyle final swimming event at the London 2012 Olympic Games on July 30, 2012 in London.

U.S. swimmer Ryan Lochte competes in the men's 200m freestyle semi-final swimming event at the London 2012 Olympic Games on July 29, 2012 in London.

Ryan Lochte of the United States reacts after he competed in the Final of the Men's 200m Freestyle on Day 3 of the London 2012 Olympic Games at the Aquatics Centre on July 30, 2012 in London, England.

U.S. swimmer Ryan Lochte poses on the podium with the gold medal after winning the men's 400m individual medley swimming event at the London 2012 Olympic Games on July 28, 2012, in London.

Silver medalist Thiago Pereira of Brazil, left, gold medalist Ryan Lochte of the United States, center, and bronze medalist Kosuke Hagino of Japan, right, celebrate with their medals during the medal ceremony for the men's 400m individual medley on day one of the London 2012 Olympic Games at the Aquatics Centre on July 28, 2012, in London.

Ryan Lochte swims as he competes in heat five of the men's 400m individual medley on day one of the London 2012 Olympic Games at the Aquatics Centre on July 28, 2012, in London.

U.S. swimmer Ryan Lochte smiles after competing in the men's 400m individual medley heats swimming event at the London 2012 Olympic Games on July 28, 2012 in London.

Ryan Lochte dives off of the starting block at the start of heat five of the men's 400m individual medley on day one of the London 2012 Olympic Games at the Aquatics Centre on July 28, 2012, in London.

Ryan Lochte swims butterfly as he competes in heat five of the men's 400m individual medley on day one of the London 2012 Olympic Games at the Aquatics Centre on July 28, 2012, in London.

U.S. swimmer Ryan Lochte competes in the men's 400m individual medley heats swimming event at the London 2012 Olympic Games on July 28, 2012, in London.

Ryan Lochte looks on after he competed in heat five of the men's 400m Individual Medley on day one of the London 2012 Olympic Games at the Aquatics Centre on July 28, 2012, in London.

Ryan Lochte (left) and Michael Phelps compete in the championship final of the Men's 200 m Freestyle during Day Three of the 2012 U.S. Olympic Swimming Team Trials at CenturyLink Center on June 27, 2012 in Omaha, Nebraska.

Michael Phelps, left, and Ryan Lochte compete in the men's 200-meter individual medley final at the U.S. Olympic swimming trials on June 30, 2012, in Omaha, Neb.

Ryan Lochte swims to victory in the men's 200-meter backstroke final at the U.S. Olympic swimming trials on June 30, 2012, in Omaha, Neb.

Ryan Lochte, left, and Michael Phelps prepare to swim in the men's 200-meter freestyle final at the U.S. Olympic swimming trials on June 27, 2012, in Omaha, Neb.

Ryan Lochte celebrates after he received his gold medal for finishing first in the championship final heat of the Men's 400-meter Individual Medely during the 2012 U.S. Olympic Swimming Team Trials at CenturyLink Center on June 25, 2012, in Omaha, Neb.

Michael Phelps, Ryan Lochte — Getty Images

(L-R) Ryan Lochte and Michael Phelps greet each other after they competed in the championship final heat of the Men's 400-meter Individual Medley during the 2012 U.S. Olympic Swimming Team Trials at CenturyLink Center on June 25, 2012, in Omaha, Neb.

United States' Ryan Lochte swims the 100-meter backstroke during the Duel in the Pool swim meet at Georgia Tech on Dec. 17, 2011, in Atlanta.

Olympic medalists Ryan Lochte, left, and Michael Phelps model Speedo's new Fastskin 3 swimsuit during a news conference in New York on Nov. 30, 2011.

Ryan Lochte shows the gold medal he won in the men's 200-meter Backstroke final at the FINA Swimming World Championships in Shanghai, China, on July 29, 2011.

Ryan Lochte of the United States waves after winning the gold medal in the Men's 400-meter Individual Medley Final during Day 16 of the 14th FINA World Championships at the Oriental Sports Center on July 31, 2011, in Shanghai, China.

Michael Phelps, right, and Ryan Lochte look at the scoreboard after a men's 200-meter Freestyle semifinal at the FINA Swimming World Championships in Shanghai, China, on July 25, 2011.

Ryan Lochte competes in the Men's 100-yard backstroke heats on day two of the AT&T Short Course National Championships on Dec. 3, 2010, in Columbus, Ohio.

Ryan Lochte swims the butterfly leg of the men's 200-meter individual medley finals during the Mutual of Omaha Pan Pacific Championships on Aug. 21, 2010, in Irvine, Calif.

Michael Phelps, left, and Ryan Lochte celebrate their victory in the men's 4X100-meter freestyle relay during the Mutual of Omaha Pan Pacific Championships on Aug. 20, 2010, in Irvine, Calif.

Ryan Lochte is seen during the men's 400-meter individual medley qualifications on Aug. 2, 2009, at the FINA World Swimming Championships in Rome.

Ryan Lochte of the United States on his way to victory in the Men's 400-meter Individual Medley Final during the 13th FINA World Championships on Aug. 2, 2009, in Rome.

From left, Ryan Lochte, David Walters, Ricky Berens and Michael Phelps of the United States receive the gold medal during the medal ceremony for the Men's 4x 200-meter Freestyle Final at the 13th FINA World Championships on July 31, 2009, in Rome.

U.S. swimmer Ryan Lochte poses with his gold medal on the podium during the medal ceremony after the men's 200-meter backstroke final at the National Aquatics Center at the 2008 Beijing Olympic Games in Beijing on Aug. 15, 2008.

The U.S. team, from left, Ricky Berens, Ryan Lochte and Michael Phelps, celebrate winning the gold medal as they set a new world record in the men's 4x200-meter freestyle relay final during the swimming competitions in the National Aquatics Center at the Beijing 2008 Olympics on Aug. 13, 2008.

United States' Ryan Lochte reacts after winning the gold medal in the men's 200-meter backstroke during the swimming competitions in the National Aquatics Center at the Beijing 2008 Olympics on Aug. 15, 2008.