Demetrius Andrade of the U.S. leaves before the announcement of the winner after losing the men's welterweight (69kg) quarter-final boxing match against Kim Jungjoo of Korea at the Beijing 2008 Olympic Games August 17, 2008. REUTERS/Lee Jae-Won (CHINA)

Kim Jungjoo (R) of Korea acknowledges the spectators after defeating Demetrius Andrade of the U.S. (not pictured) in the men's welterweight (69kg) quarter-final boxing match at the Beijing 2008 Olympic Games August 17, 2008. REUTERS/Lee Jae-Won (CHINA)

Kim Jungjoo (R) of Korea celebrates after defeating Demetrius Andrade of the U.S. (not pictured) in the men's welterweight (69kg) quarter-final boxing match at the Beijing 2008 Olympic Games August 17, 2008. REUTERS/Lee Jae-Won (CHINA)

Kim Jungjoo (L) of Korea falls on the ground during the fight against Demetrius Andrade of the U.S. in the men's welterweight (69kg) quarter-final boxing match at the Beijing 2008 Olympic Games August 17, 2008. REUTERS/Lee Jae-Won (CHINA)

Demetrius Andrade of the U.S. reacts after losing the men's welterweight (69kg) quarter-final boxing match against Kim Jungjoo of Korea at the Beijing 2008 Olympic Games August 17, 2008. REUTERS/Lee Jae-Won (CHINA)

Demetrius Andrade of the U.S. reacts after losing the men's welterweight (69kg) quarter-final boxing match against Kim Jungjoo of Korea at the Beijing 2008 Olympic Games August 17, 2008. REUTERS/Lee Jae-Won (CHINA)

Demetrius Andrade of the U.S. looks on before the men's welterweight (69kg) quarter-final boxing match against Kim Jungjoo of Korea at the Beijing 2008 Olympic Games August 17, 2008. REUTERS/Lee Jae-Won (CHINA)

Kim Jungjoo (L) of Korea fights Demetrius Andrade of the U.S. during the men's welterweight (69kg) quarter-final boxing match at the Beijing 2008 Olympic Games August 17, 2008. REUTERS/Lee Jae-Won (CHINA)

Kim Jungjoo (L) of Korea fights Demetrius Andrade of the U.S. during the men's welterweight (69kg) quarter-final boxing match at the Beijing 2008 Olympic Games August 17, 2008. REUTERS/Lee Jae-Won (CHINA)

Demetrius Andrade (L) of the U.S. stands with Andrey Balanov of Russia after their men's welterweight (69kg) round of 16 boxing match at the Beijing 2008 Olympic Games August 14, 2008. REUTERS/Lee Jae-Won (CHINA)

The referee declares Demetrius Andrade (L) of the U.S. the winner in his men's welterweight (69kg) round of 16 boxing match against Andrey Balanov of Russia at the Beijing 2008 Olympic Games August 14, 2008. REUTERS/Lee Jae-Won (CHINA)

Demetrius Andrade (R) of the U.S. eyes Andrey Balanov of Russia during their men's welterweight (69kg) round of 16 boxing match at the Beijing 2008 Olympic Games August 14, 2008. REUTERS/Lee Jae-Won (CHINA)

Andrey Balanov of Russia falls on the canvas during his men's welterweight (69kg) round of 16 boxing match against Demetrius Andrade of the U.S. at the Beijing 2008 Olympic Games August 14, 2008. REUTERS/Lee Jae-Won (CHINA)

Demetrius Andrade (R) of the U.S. fights Andrey Balanov of Russia during their men's welterweight (69kg) round of 16 boxing match at the Beijing 2008 Olympic Games August 14, 2008. REUTERS/Lee Jae-Won (CHINA)

Demetrius Andrade (R) of the U.S. fights Andrey Balanov of Russia during their men's welterweight (69kg) round of 16 boxing match at the Beijing 2008 Olympic Games August 14, 2008. REUTERS/Lee Jae-Won (CHINA)

Referee Wang Jue declares Demetrius Andrade (L) of the U.S. the winner in his men's welterweight (69kg) round of 32 boxing match against Kakhaber Jvania of Georgia at the Beijing 2008 Olympic Games August 10, 2008. REUTERS/Lee Jae-Won (CHINA)

Demetrius Andrade of the U.S. celebrates his win against Kakhaber Jvania of Georgia in their men's welterweight (69kg) round of 32 boxing match at the Beijing 2008 Olympic Games August 10, 2008. REUTERS/Lee Jae-Won (CHINA)

Demetrius Andrade (R) of the U.S. fights Kakhaber Jvania of Georgia during their men's welterweight (69kg) round of 32 boxing match at the Beijing 2008 Olympic Games August 10, 2008. REUTERS/Lee Jae-Won (CHINA)

Demetrius Andrade of the U.S. celebrates his win against Kakhaber Jvania of Georgia in their men's welterweight (69kg) round of 32 boxing match at the Beijing 2008 Olympic Games August 10, 2008. REUTERS/Lee Jae-Won (CHINA)

Demetrius Andrade (R) of the U.S. fights Kakhaber Jvania of Georgia during their men's welterweight (69kg) round of 32 boxing match at the Beijing 2008 Olympic Games August 10, 2008. REUTERS/Lee Jae-Won (CHINA)

Demetrius Andrade (R) of the U.S. fights Kakhaber Jvania of Georgia during their men's welterweight (69kg) round of 32 boxing match at the Beijing 2008 Olympic Games August 10, 2008. REUTERS/Lee Jae-Won (CHINA)

Demetrius Andrade (in red) of the U.S. fights Kakhaber Jvania of Georgia during their men's welterweight (69kg) round of 32 boxing match at the Beijing 2008 Olympic Games August 10, 2008. REUTERS/Lee Jae-Won (CHINA)

Demetrius Andrade (R) of the U.S. fights Kakhaber Jvania of Georgia during their men's welterweight (69kg) round of 32 boxing match at the Beijing 2008 Olympic Games August 10, 2008. REUTERS/Lee Jae-Won (CHINA)

Demetrius Andrade (R) of the U.S. fights Kakhaber Jvania of Georgia during their men's welterweight (69kg) round of 32 boxing match at the Beijing 2008 Olympic Games August 10, 2008. REUTERS/Lee Jae-Won (CHINA)

U.S. Olympic boxing team members Demetrius Andrade (C) and Rau'shee Warren (R) watch student Patrick Knoll workout during an event at a Boys & Girls club in New York July 10, 2008. REUTERS/Lucas Jackson (UNITED STATES) (BEIJING OLYMPICS 2008 PREVIEW)

U.S. Olympic boxing team member Demetrius Andrade takes a pause after sharing his workout with children during an event at a Boys & Girls club in New York July 10, 2008. REUTERS/Lucas Jackson (UNITED STATES)

Demetrius Andrade, a member of the United States Olympic Boxing team, poses for a photo during the 2008 U.S. Olympic Team Media Summit in Chicago April 14, 2008. REUTERS/Frank Polich (UNITED STATES)

Demetrius Andrade (R) of the U.S. lands a punch against Non Boonjumnong of Thailand during the World Boxing Championship 69kg final bout in Chicago, Illinois November 3, 2007. REUTERS/Frank Polich (UNITED STATES)

Demetrius Andrade of the U.S. celebrates defeating Non Boonjumnong of Thailand during the World Boxing Championship 69kg bout in Chicago, Illinois November 3, 2007. REUTERS/Frank Polich (UNITED STATES)

Demetrius Andrade of U.S. celebrates on the medal stand after defeating Non Boonjumnong of Thailand in their 69kg final AIBA World Boxing Championship bout in Chicago November 3, 2007. REUTERS/John Gress (UNITED STATES)

Demetrius Andrade of U.S. (rear) fights Non Boonjumnong of Thailand in their 69kg final AIBA World Boxing Championship bout in Chicago November 3, 2007. REUTERS/John Gress (UNITED STATES)

Demetrius Andrade of U.S. celebrates defeating Non Boonjumnong of Thailand in their 69kg final AIBA World Boxing Championship bout in Chicago November 3, 2007. REUTERS/John Gress (UNITED STATES)

Demetrius Andrade of U.S. celebrates defeating Non Boonjumnong of Thailand in their 69kg final AIBA World Boxing Championship bout in Chicago November 3, 2007. REUTERS/John Gress (UNITED STATES)

Adem Kilicci of Turkey (L) punches Demetrius Andrade of U.S. during their 69kg AIBA World Boxing Championships semifinal bout in Chicago November 2, 2007. REUTERS/John Gress (UNITED STATES)

Demetrius Andrade of the U.S. gets ice on his eye after defeating Adem Kilicci of Turkey in their 69kg semi-final AIBA World Boxing Championship bout in Chicago, November 2, 2007. REUTERS/John Gress (UNITED STATES)

Demetrius Andrade of the U.S. celebrates after defeating Adem Kilicci of Turkey in their 69 kg AIBA World Boxing Championships semifinal bout in Chicago, November 2, 2007. REUTERS/John Gress (UNITED STATES)

Demetrius Andrade of the U.S. gestures on the podium after receiving the silver medal for welterweight boxing at the Pan American games in Rio de Janeiro July 27, 2007. REUTERS/Andres Stapff (BRAZIL)

Brazil's Pedro Lima fights Demetrius Andrade (blue) of the U.S. during their welterweight final boxing match at the Pan American games in Rio de Janeiro July 27, 2007. Lima defeated Andrade to win the gold medal. REUTERS/Andres Stapff (BRAZIL)

Brazil's Pedro Lima (L) fights against Demetrius Andrade of the U.S. during the final fight of the Welter category at the Pan American games in Rio de Janeiro, July 27, 2007. Lima defeated Andrade to win the gold medal. REUTERS/Andres Stapff (BRAZIL)