United States' Aries Merritt celebrates after winning the men's 110-meter hurdles during the athletics in the Olympic Stadium at the 2012 Summer Olympics, London, Wednesday, Aug. 8, 2012. (AP Photo/Matt Slocum)

USA's Lebron James drives to the basket against Australia during a men's quarterfinals basketball game at the 2012 Summer Olympics, Wednesday, Aug. 8, 2012, in London. (AP Photo/Charles Krupa)

Bulgaria's Georgi Bratoev (1) and Teodor Salparov (13) celebrate after their 3-0 win over Germany during a men's volleyball quarterfinal match at the 2012 Summer Olympics Wednesday, Aug. 8, 2012, in London. (AP Photo/Chris O'Meara)

United States' Jason Richardson sits on the track after he won silver in the men's 110-meter hurdles final during the athletics in the Olympic Stadium at the 2012 Summer Olympics, London, Wednesday, Aug. 8, 2012. (AP Photo/David J. Phillip)

Genki Dean of Japan peforms his second attempt in the mne's Javelin at the Olympic Stadium, in London, Aug. 8, 2012. The 20-year-old Waseda Universtiy student, the son of a British father and Japanese mother, made debut in second homge-land and advanced to the final. ( The Yomiuri Shimbun )

Genki Dean of Japan reacts after advancing to the final in the mne's Javelin at the Olympic Stadium, in London, Aug. 8, 2012. The 20-year-old Waseda Universtiy student, the son of a British father and Japanese mother, made debut in second homge-land. ( The Yomiuri Shimbun )

Poland's Piotr Kuleta celebrates after winning the canoe single (C1) 1000m men's final B during the London 2012 Olympic Games, at Eton Dorney Rowing Centre in Eton, west of London, on August 8, 2012. AFP PHOTO / LUIS ACOSTA

US' Ashton Eaton competes in the men's decathlon 100m heats at the athletics event of the London 2012 Olympic Games on August 8, 2012 in London. AFP PHOTO / ERIC FEFERBERG

Poland's Anita Wlodarczyk reacts while competing in the women's hammer throw qualifications at the athletics event of the London 2012 Olympic Games on August 8, 2012 in London. AFP PHOTO / ADRIAN DENNIS

Poland's Anita Wlodarczyk reacts while competing in the women's hammer throw qualifications at the athletics event of the London 2012 Olympic Games on August 8, 2012 in London. AFP PHOTO / ADRIAN DENNIS

Poland's Anita Wlodarczyk competes in the women's hammer throw qualifications at the athletics event of the London 2012 Olympic Games on August 8, 2012 in London. AFP PHOTO / POOL / PAWEL KOPCZYNSKI

Senegal's Amy Sene competes in the women's hammer throw qualifications at the athletics event of the London 2012 Olympic Games on August 8, 2012 in London. AFP PHOTO / ADRIAN DENNIS

Britain's Sophie Hitchon competes in the women's hammer throw qualifications at the athletics event of the London 2012 Olympic Games on August 8, 2012 in London. AFP PHOTO / ADRIAN DENNIS

Portugal's Fernando Pimenta (L) and Emanuel Silva celebrate after winning the silver medal in the kayak double (K2) 1000m men's final A during the London 2012 Olympic Games, at Eton Dorney Rowing Centre in Eton, west of London, on August 8, 2012. AFP PHOTO / DAMIEN MEYER

Germany's Betty Heidler competes in the women's hammer throw qualifications at the athletics event of the London 2012 Olympic Games on August 8, 2012 in London. AFP PHOTO / POOL / PAWEL KOPCZYNSKI

Azerbaijan's Hayle Ibrahimov competes in the men's 5000m heats at the athletics event of the London 2012 Olympic Games on August 8, 2012 in London. AFP PHOTO / JEWEL SAMAD

Britain's Mohamed Farah competes in the men's 5000m heats at the athletics event of the London 2012 Olympic Games on August 8, 2012 in London. AFP PHOTO / FRANCK FIFE

Hong Kong's Leung Chu Yan returns a ball to Germany's Timo Boll during the table tennis men's team bronze medal match of the London Olympic games on August 8, 2012 at the Excel arena in London. AFP PHOTO / SAEED KHAN

(From foreground) Teams from Hungary, Poland, Russia and France compete in the kayak four (K4) 500m women's final A during the London 2012 Olympic Games, at Eton Dorney Rowing Centre in Eton, west of London, on August 8, 2012. AFP PHOTO / LUIS ACOSTA

South Africa's Caster Semenya competes in the women's 800m heats at the athletics event of the London 2012 Olympic Games on August 8, 2012 in London. AFP PHOTO / JOHANNES EISELE

Britain's Lynsey Sharp adjusts her hair after the women's 800m heats at the athletics event of the London 2012 Olympic Games on August 8, 2012 in London. AFP PHOTO / GABRIEL BOUYS

-PICTURE TAKEN WITH A ROBOTIC CAMERA- New Zealand's Brent Newdick competes in the men's decathlon's high jump qualifications at the athletics event of the London 2012 Olympic Games on August 8, 2012 in London. AFP PHOTO / ANTONIN THUILLIER

Team Poland competes in the women's kayak four (K4) 500m final at Eton Dorney near London on August 8, 2012, at the London 2012 Olympics Games . AFP PHOTO / DARREN WHITESIDE/POOL

Team Poland reacts after competing in the women's kayak four (K4) 500m final at Eton Dorney near London on August 8, 2012, at the London 2012 Olympics Games . AFP PHOTO / DARREN WHITESIDE/POOL

Poland's Lukasz Michalski competes in the men's pole vault qualifications at the athletics event of the London 2012 Olympic Games on August 8, 2012 in London. AFP PHOTO / FRANCK FIFE

Poland's Lukasz Michalski competes in the men's pole vault qualifications at the athletics event of the London 2012 Olympic Games on August 8, 2012 in London. AFP PHOTO / FRANCK FIFE

Members of team Poland embrace after competing in the women's kayak four (K4) 500m final at Eton Dorney near London on August 8, 2012, at the London 2012 Olympics Games. AFP PHOTO / DARREN WHITESIDE/POOL

(L-R) Belarus' Iryna Pamialova, Nadzeya Papok, Volha Khudzenka and Maryna Pautaran celebrate on the podium before receiving their bronze medals won in the kayak four (K4) 500m women's final A during the London 2012 Olympic Games, at Eton Dorney Rowing Centre in Eton, west of London, on August 8, 2012. AFP PHOTO / DAMIEN MEYER

Team Hungary head to the gold medal in the women's kayak four (K4) 500m final at Eton Dorney near London on August 8, 2012, at the London 2012 Olympics Games. AFP PHOTO / DARREN WHITESIDE/POOL

Thailand's Chanatip Sonkham (R) fights against Russia's Kristina Kim during their women's taekwondo bout in the category under 49 kg as part of the London 2012 Olympic games, on August 8, 2012 at the ExCel centre in London. AFP PHOTO / ALBERTO PIZZOLI

Saudi Arabia's Sarah Attar (C) reacts next to Grenada's Neisha Bernard-thomas (L) and Colombia's Rosibel Garc?a at the end of the women's 800m heats at the athletics event of the London 2012 Olympic Games on August 8, 2012 in London. AFP PHOTO / OLIVIER MORIN

Hungary's rightback Laszlo Zoltan Nagy reacts during the men's quarter-final handball match Iceland vs Hungary for the London 2012 Olympics Games on August 8, 2012 at the Basketball Arena in London. AFP PHOTO / JAVIER SORIANO

Germany's Bastian Steger and teammate Dimitrij Ovtcharov (L) return a ball to Hong Kong's Leung Chu Yan and Hong Kong's Jiang Tianyi during the table tennis men's team bronze medal match Germany vs Hong Kong at the London Olympic games against on August 8, 2012 at the Excel arena in London. AFP PHOTO / SAEED KHAN

Canada's Damian Warner competes in the men's decathlon long jump qualifications at the athletics event of the London 2012 Olympic Games on August 8, 2012 in London. AFP PHOTO / ADRIAN DENNIS

Kazakhstan's Dmitriy Karpov competes in the men's decathlon long jump qualifications at the athletics event of the London 2012 Olympic Games on August 8, 2012 in London. AFP PHOTO / ADRIAN DENNIS

Russia's Ilya Shkurenev competes in the men's decathlon long jump qualifications at the athletics event of the London 2012 Olympic Games on August 8, 2012 in London. AFP PHOTO / ADRIAN DENNIS

US' Ashton Eaton competes in the men's decathlon long jump qualifications at the athletics event of the London 2012 Olympic Games on August 8, 2012 in London. AFP PHOTO / ADRIAN DENNIS

Italy's Alex Schwazer, (R) gold medalist of the men's 50 km walk at the 2008 Beijing Olympic Games, speaks with his lawyer during a press conference on August 8, 2012 in Bolzano after he failed a doping test for using the blood-boosting agent erythropoietin EPO and being banned from Italy's London Olympics 2012 delegation. AFP PHOTO / Pierre TEYSSOT

Italy's Alex Schwazer, gold medalist of the men's 50 km walk at the 2008 Beijing Olympic Games, reacts as he answers journalist's questions on August 8, 2012 in Bolzano during his press conference after he failed a doping test for using the blood-boosting agent erythropoietin EPO and being banned from Italy's 2012 London Olympics delegation. AFP PHOTO / Pierre TEYSSOT

Azerbaijan's Mariya Stadnyk (L) wrestles Poland's Nina Matkowska in their Women's 48kg Freestyle quarterfinal match on August 8, 2012 during the wrestling event of the London 2012 Olympic Games. AFP PHOTO / KHALED DESOUKI

Azerbaijan's Mariya Stadnyk (L) wrestles Poland's Nina Matkowska in their Women's 48kg Freestyle quarterfinal match on August 8, 2012 during the wrestling event of the London 2012 Olympic Games. AFP PHOTO / KHALED DESOUKI

Poland's Joanna Fiodorow competes in the women's hammer throw qualification of the athletics event at the London 2012 Olympic Games on August 8, 2012 at the Olympic Stadium in London. AFP PHOTO / POOL - Pawel Kopczynski

Russian forward Andrey Kirilenko scores against Lithuania during their London 2012 Olympic Games men's quarterfinal basketball match in London on August 8, 2012. AFP PHOTO /EMMANUEL DUNAND

Russian forward Andrey Kirilenko runs with the ball during his team's London 2012 Olympic Games men's quarterfinal basketball match against Lithuania in London on August 8, 2012. AFP PHOTO /EMMANUEL DUNAND

French guard Tony Parker is challenged by Spanish guard Jose Calderon during their London 2012 Olympic Games men's quarterfinal basketball match in London on August 8, 2012. AFP PHOTO /TIMOTHY A. CLARY

French guard Tony Parker is pictured during his team's London 2012 Olympic Games men's quarterfinal basketball match against Spain in London on August 8, 2012. AFP PHOTO /TIMOTHY A. CLARY

Clarissa Kyoko Mei Ling Chun (R) of the US wrestles Poland's Iwona Nina Matkowska in their Women's 48kg Freestyle repechage round 2 match on August 8, 2012 during the wrestling event of the London 2012 Olympic Games. AFP PHOTO / KHALED DESOUKI

Clarissa Kyoko Mei Ling Chun (L) of the US is declared the winner after defeating Poland's Iwona Nina Matkowska in their Women's 48kg Freestyle repechage round 2 match on August 8, 2012 during the wrestling event of the London 2012 Olympic Games. AFP PHOTO / KHALED DESOUKI

Clarissa Kyoko Mei Ling Chun (R) of the US is declared the winner after defeating Poland's Iwona Nina Matkowska in their Women's 48kg Freestyle repechage round 2 match on August 8, 2012 during the wrestling event of the London 2012 Olympic Games. AFP PHOTO / KHALED DESOUKI

The Netherlands' players form a huddle after winning against New Zealand during the first semi-final of the women's field hockey match between Netherlands and New Zealand at the Riverbank Arena in London on August 8, 2012 during the London 2012 Olympic Games. Netherlands reached the finals of the Olympic Games by defeating New Zealand 3-1 in the shoot out after the score was levelled at 2-2 during the game. AFP PHOTO/ INDRANIL MUKHERJEE

Clarissa Kyoko Mei Ling Chun of the US (L) reacts after defeating Poland's Iwona Nina Matkowska in their Women's 48kg Freestyle repechage round 2 match on August 8, 2012 during the wrestling event of the London 2012 Olympic Games. AFP PHOTO / KHALED DESOUKI

Spanish guard Juan-Carlos Navarro (L) is challenged by French guard Tony Parker during their London 2012 Olympic Games men's quarterfinal basketball match in London on August 8, 2012. AFP PHOTO /EMMANUEL DUNAND

PHOTO TAKEN WITH A ROBOTIC CAMERA Mongolia's Battsetseg Soronzonbold (top) wrestles Latvia's Anastasija Grigorjeva in their Women's 63kg Freestyle quarterfinal match on August 8, 2012 during the wrestling event of the London 2012 Olympic Games. AFP PHOTO / YURI CORTEZ

Poland's Monika Ewa Michalik (L) is declared the winner after defaeting North Korea's Choe Un Gyong in their Women's 63kg Freestyle repechage round 2 match on August 8, 2012 during the wrestling event of the London 2012 Olympic Games. AFP PHOTO / KHALED DESOUKI

French centre Ronny Turiaf (L) challenges Spanish forward Pau Gasol during their London 2012 Olympic Games men's quarterfinal basketball match in London on August 8, 2012. AFP PHOTO /EMMANUEL DUNAND

Senegal's Isabelle Sambou (R) congratulates Canada's Carol Huynh after their Women's 48kg Freestyle bronze medal match on August 8, 2012 during the wrestling event of the London 2012 Olympic Games. AFP PHOTO / YURI CORTEZ

US' Ashton Eaton competes in the men's decathlon high jump qualifications at the athletics event of the London 2012 Olympic Games on August 8, 2012 in London. AFP PHOTO / ADRIAN DENNIS

Japan's Keisuke Ushiro competes in the men's decathlon high jump qualifications at the athletics event of the London 2012 Olympic Games on August 8, 2012 in London. AFP PHOTO / ADRIAN DENNIS

Clarissa Kyoko Mei Ling Chun of the US celebrates after defeating Ukraine's Irini Merleni in their Women's 48kg Freestyle bronze medal match on August 8, 2012 during the wrestling event of the London 2012 Olympic Games. AFP PHOTO / YURI CORTEZ

Netherlands's Lisa Westerhof and Lobke Berkhout compete in the women's 470 sailing class at the London 2012 Olympic Games, in Weymouth on August 8, 2012. AFP PHOTO/William WEST

Japan's Hitomi Obara (L) wristles declared the winner after defeating Azerbaijan's Mariya Stadnyk in their Women's 48kg Freestyle final match on August 8, 2012 during the wrestling event of the London 2012 Olympic Games. AFP PHOTO / YURI CORTEZ

(FromL) Cuba's Dayron Robles, South Africa's Lehann Fourie and Jamaica's Hansle Parchment compete in the men's 110m hurdles semi-finals at the athletics event of the London 2012 Olympic Games on August 8, 2012 in London. AFP PHOTO / GABRIEL BOUYS

Spanish centre Serge Ibaka (L) and French centre Ronny Turiaf jump for the ball during their London 2012 Olympic Games men's quarterfinal basketball match in London on August 8, 2012. AFP PHOTO /MARK RALSTON

Cuba's Dayron Robles gives the thumb up after competing in the men's 110m hurdles semi-finals at the athletics event of the London 2012 Olympic Games on August 8, 2012 in London. AFP PHOTO / OLIVIER MORIN

Cuba's Dayron Robles holds his shoes after competing in the men's 110m hurdles semi-finals at the athletics event of the London 2012 Olympic Games on August 8, 2012 in London. AFP PHOTO / OLIVIER MORIN

Medics talk to Jamaica's Richard Phillips after he sustained an injury during the men's 110m hurdles semi-finals at the athletics event of the London 2012 Olympic Games on August 8, 2012 in London. AFP PHOTO / FRANCK FIFE

French players and substitutes react after their team lost to Spain during their London 2012 Olympic Games men's quarterfinal basketball match in London on August 8, 2012. AFP PHOTO /MARK RALSTON

(FromL) Turkey's Asli Cakir, US' Morgan Uceny and Russia's Ekaterina Kostetskaya compete in the women's 1500m semi-finals at the athletics event of the London 2012 Olympic Games on August 8, 2012 in London. AFP PHOTO / OLIVIER MORIN

US' Jason Richardson (bottom) his men's 110m hurdles semi-finals at the athletics event of the London 2012 Olympic Games on August 8, 2012 in London. AFP PHOTO / JOHANNES EISELE

Jamaica's Richard Phillips reacts after suffering an injury while competing in the men's 110m hurdles semi-finals at the athletics event of the London 2012 Olympic Games on August 8, 2012 in London. AFP PHOTO / JOHANNES EISELE

Jamaica's Richard Phillips reacts after suffering an injury while competing in the men's 110m hurdles semi-finals at the athletics event of the London 2012 Olympic Games on August 8, 2012 in London. AFP PHOTO / JOHANNES EISELE

Cuba's Orlando Ortega (R) leads his men's 110m hurdles semi-final at the athletics event of the London 2012 Olympic Games on August 8, 2012 in London. AFP PHOTO / JOHANNES EISELE

US' Aries Merritt leads his men's 110m hurdles semi-final at the athletics event of the London 2012 Olympic Games on August 8, 2012 in London. AFP PHOTO / JOHANNES EISELE

Cuba's Dayron Robles competes in the men's 110m hurdles semi-finals at the athletics event of the London 2012 Olympic Games on August 8, 2012 in London. AFP PHOTO / ADRIAN DENNIS

Turkey's Asli Cakir (L) and Russia's Ekaterina Kostetskaya (R) compete in the women's 1500m semi-finals at the athletics event of the London 2012 Olympic Games on August 8, 2012 in London. AFP PHOTO / ERIC FEFERBERG

Italy's Valentino Gallo (L) is challenged by Hungary's Denes Vargas (R) during the men's Water Polo Quarterfinal Round match between Spain and Montenegro of the London 2012 Olympic Games at the Water Polo Arena on August 8, 2012 in London. AFP PHOTO / MARTIN BERNETTI

Russia's players celebrate winning a point during the Men's quarterfinal volleyball match between Poland and Russia in the 2012 London Olympic Games in London on August 8, 2012. AFP PHOTO/KIRILL KUDRYAVTSEV

Poland's Zbigniew Bartman reacts during the Men's quarterfinal volleyball match between Poland and Russia in the 2012 London Olympic Games in London on August 8, 2012. AFP PHOTO/KIRILL KUDRYAVTSEV

Britain's Laura Weightman reacts after competing in the women's 1500m semi-finals at the athletics event of the London 2012 Olympic Games on August 8, 2012 in London. AFP PHOTO / GABRIEL BOUYS

Australia's Brittany Broben competes in the women's 10m platform preliminary round during the diving event at the London 2012 Olympic Games on August 8, 2012 in London. AFP PHOTO / FABRICE COFFRINI

Canada's Roseline Filion competes in the women's 10m platform preliminary round during the diving event at the London 2012 Olympic Games on August 8, 2012 in London. AFP PHOTO / FABRICE COFFRINI

Spanish forward Pau Gasol (L) challenges French centre Ronny Turiaf during their London 2012 Olympic Games men's quarterfinal basketball match in London on August 8, 2012. AFP PHOTO /MARK RALSTON

French forward Nicolas Batum (L) challenges Spanish centre Marc Gasol during their London 2012 Olympic Games men's quarterfinal basketball match in London on August 8, 2012. AFP PHOTO /EMMANUEL DUNAND

TOPSHOTS Guatemala's Elizabeth Zamora Gordillo (L) fights against China's Wu Jingyu during their women's taekwondo preliminary bout in the category under 49 kg as part of the London 2012 Olympic games, on August 8, 2012 at the ExCel centre in London. AFP PHOTO / ALBERTO PIZZOLI

TOPSHOTS New Zealand's Blair Tuke (L) and Peter Burling (R) leap into the water after winning silver in the 49er sailing class at the London 2012 Olympic Games, in Weymouth on August 8, 2012. AFP PHOTO/William WEST

TOPSHOTS Mongolia's Otgontsetseg Davaasukh (L) wrestles Colombia's Carolina Castillo Hidalgo during their Women's 48kg Freestyle qualification match on August 8, 2012 during the wrestling event of the London 2012 Olympic Games. AFP PHOTO / YURI CORTEZ

Mongolia's Battsetseg Soronzonbold (R) blocks Canada's Martine Dugrenier in their Women's 63kg Freestyle bronze medal match on August 8, 2012 during the wrestling event of the London 2012 Olympic Games. AFP PHOTO / YURI CORTEZ

Clarissa Kyoko Mei Ling Chun of the US (top) wrestles to defeat Ukraine's Irini Merleni in their Women's 48kg Freestyle bronze medal match on August 8, 2012 during the wrestling event of the London 2012 Olympic Games. AFP PHOTO / YURI CORTEZ

Poland's Marcin Mozdzonek reacts during the men's quarter-final volleyball match between Poland and Russia in the 2012 London Olympic Games in London on August 8, 2012. AFP PHOTO/KIRILL KUDRYAVTSEV

Poland's Bartosz Kurek reacts during the men's quarter-final volleyball match between Poland and Russia in the 2012 London Olympic Games in London on August 8, 2012. AFP PHOTO/KIRILL KUDRYAVTSEV

Poland's Bartosz Kurek reacts during the men's quarter-final volleyball match between Poland and Russia in the 2012 London Olympic Games in London on August 8, 2012. AFP PHOTO/KIRILL KUDRYAVTSEV

France's Christophe Lemaitre reacts after competing in the men's 200m semi-finals at the athletics event of the London 2012 Olympic Games on August 8, 2012 in London. AFP PHOTO / GABRIEL BOUYS

Brazil's Juliana Silva celebrates at the end of the women's Beach Volleyball bronze medal match against China's Xue Chen and Zhang Xi on the Centre Court Stadium in Horse Guards Parade on London on August 8, 2012, for the London 2012 Olympic Games. Larissa/Juliana won the bronze medal. AFP PHOTO / DANIEL GARCIA

Brazil's Juliana Silva celebrates at the end of the women Beach Volleyball bronze medal match against China's Xue Chen and Zhang Xi on the Centre Court Stadium in Horse Guards Parade on London on August 8, 2012, for the London 2012 Olympic Games. Larissa/Juliana won the bronze medal. AFP PHOTO / DANIEL GARCIA

France's Christophe Lemaitre reacts after competing in the men's 200m semi-finals at the athletics event of the London 2012 Olympic Games on August 8, 2012 in London. AFP PHOTO / ERIC FEFERBERG

Poland's Lukasz Zygadlo (L) reacts with teammate Piotr Nowakowski during the Men's quarterfinal volleyball match between Poland and Russia in the 2012 London Olympic Games in London on August 8, 2012. AFP PHOTO/KIRILL KUDRYAVTSEV

Poland's Lukasz Zygadlo falls into an advertising hoarding during the men's quarter-final volleyball match between Poland and Russia in the 2012 London Olympic Games in London on August 8, 2012. AFP PHOTO/KIRILL KUDRYAVTSEV

Jamaica's Usain Bolt (R) greets France's Christophe Lemaitre (L) after competing in the men's 200m semi-finals at the athletics event of the London 2012 Olympic Games on August 8, 2012 in London. AFP PHOTO / GABRIEL BOUYS

France's Christophe Lemaitre rests after competing in the men's 200m semi-finals at the athletics event of the London 2012 Olympic Games on August 8, 2012 in London. AFP PHOTO / ADRIAN DENNIS

Poland's Krzysztof Ignaczak (L) attempts to set as teammate Bartosz Kurek looks on during the Men's quarter-final volleyball match between Poland and Russia in the 2012 London Olympic Games in London on August 8, 2012. AFP PHOTO/KIRILL KUDRYAVTSEV

Poland's Krzysztof Ignaczak attempts to set during the Men's quarterfinal volleyball match between Poland and Russia in the 2012 London Olympic Games in London on August 8, 2012. AFP PHOTO/KIRILL KUDRYAVTSEV

Poland's head coach Andrea Anastasi reacts during the Men's quarterfinal volleyball match between Poland and Russia in the 2012 London Olympic Games in London on August 8, 2012. AFP PHOTO/KIRILL KUDRYAVTSEV

Poland's head coach Andrea Anastasi (L) reacts during the men's quarterfinal volleyball match between Poland and Russia in the 2012 London Olympic Games in London on August 8, 2012. AFP PHOTO/KIRILL KUDRYAVTSEV

Russia's Maxim Mikhaylov (L) attempts to set during the men's quarterfinal volleyball match between Poland and Russia in the 2012 London Olympic Games in London on August 8, 2012. AFP PHOTO/KIRILL KUDRYAVTSEV

Russia's Maxim Mikhaylov (L) celebrates winning a point during the men's quarter-final volleyball match between Poland and Russia in the 2012 London Olympic Games in London on August 8, 2012. AFP PHOTO/KIRILL KUDRYAVTSEV

Russia's Alexey Obmochaev (L) and Sergey Tetyukhin celebrate winning a point during the Men's quarterfinal volleyball match between Poland and Russia in the 2012 London Olympic Games in London on August 8, 2012. AFP PHOTO/KIRILL KUDRYAVTSEV

Russia's Dmitriy Muserskiy (L) and Taras Khtey attempt to set during the men's quarter-final volleyball match between Poland and Russia in the 2012 London Olympic Games in London on August 8, 2012. AFP PHOTO/KIRILL KUDRYAVTSEV

Russia's Dmitriy Muserskiy (R) spikes as Poland's Marcin Mozdzonek attempts to block during the men's quarter-final volleyball match between Poland and Russia in the 2012 London Olympic Games in London on August 8, 2012. AFP PHOTO/KIRILL KUDRYAVTSEV

France's Christophe Lemaitre (L) reacts after competing in the men's 200m semi-finals at the athletics event of the London 2012 Olympic Games on August 8, 2012 in London. AFP PHOTO / GABRIEL BOUYS

Russia's Taras Khtey (R) spikes as Poland's Zbigniew Bartman attempts to block during the men's quarter-final volleyball match between Poland and Russia in the 2012 London Olympic Games in London on August 8, 2012. AFP PHOTO/KIRILL KUDRYAVTSEV

Russia's Maxim Mikhaylov (L) spikes as Poland's Bartosz Kurek attempts to block during the Men's quarterfinal volleyball match between Poland and Russia in the 2012 London Olympic Games in London on August 8, 2012. AFP PHOTO/KIRILL KUDRYAVTSEV

Poland's Bartosz Kurek (L) spikes as Russia's Sergey Grankin (C) and Alexander Volkov attempt to block during the men's quarter-final volleyball match between Poland and Russia in the 2012 London Olympic Games in London on August 8, 2012. AFP PHOTO/KIRILL KUDRYAVTSEV

Poland's Lukasz Zygadlo (R) spikes as Russia's Sergey Grankin attempts to block during the men's quarter-final volleyball match between Poland and Russia in the 2012 London Olympic Games in London on August 8, 2012. AFP PHOTO/KIRILL KUDRYAVTSEV

Poland's Piotr Nowakowski (L) spikes as Russia's Dmitriy Muserskiy (C) and Maxim Mikhaylov attempt to block during the Men's quarterfinal volleyball match between Poland and Russia in the 2012 London Olympic Games in London on August 8, 2012. AFP PHOTO/KIRILL KUDRYAVTSEV

Russia's Taras Khtey attempts to set during the men's quarter-final volleyball match between Poland and Russia in the 2012 London Olympic Games in London on August 8, 2012. AFP PHOTO/KIRILL KUDRYAVTSEV

(From L) US' Isiah Young, Ecuador's Alex Quinonez, Jamaica's Usain Bolt, Brazil's Aldemir da Silva Junior, South Africa's Anaso Jobodwana, Switzerland's Alex Wilson and Poland's Kamil Krynski compete in the men's 200m semi-finals at the athletics event of the London 2012 Olympic Games on August 8, 2012 in London. AFP PHOTO / GABRIEL BOUYS

Jamaica's Usain Bolt reacts prior to competing in the men's 200m semi-finals at the athletics event of the London 2012 Olympic Games on August 8, 2012 in London. AFP PHOTO / FRANCK FIFE

Brazilian forward Marcelinho Huertas jumps during his team's London 2012 Olympic Games men's quarterfinal basketball match against Argentina in London on August 8, 2012. AFP PHOTO /EMMANUEL DUNAND

Brazilian centre Tiago Splitter (L) falls to the ground with Argentinian forward Luis Scola during their London 2012 Olympic Games men's quarterfinal basketball match in London on August 8, 2012. AFP PHOTO /MARK RALSTON

(From L) Ecuador's Alex Quinonez, Jamaica's Usain Bolt, Brazil's Aldemir da Silva Junior and South Africa's Anaso Jobodwana compete in the men's 200m semi-finals at the athletics event of the London 2012 Olympic Games on August 8, 2012 in London. AFP PHOTO / JEWEL SAMAD

Jamaica's Yohan Blake gestures prior to competing in the men's 200m semi-finals at the athletics event of the London 2012 Olympic Games on August 8, 2012 in London. AFP PHOTO / FRANCK FIFE

Panama's Carolena Carstens (blue) fights against Mexico's Jannet Alegria Pena during their women's taekwondo repechage bout in the category under 49 kg as part of the London 2012 Olympic games, on August 8, 2012 at the ExCel centre in London. AFP PHOTO / TOSHIFUMI KITAMURA

US player LeBron James arrives to attend the London 2012 Olympic Games men's quarterfinal basketball match between Brazil and Argentina in London on August 8, 2012. AFP PHOTO /TIMOTHY A. CLARY

US player LeBron James arrives to attend the London 2012 Olympic Games men's quarterfinal basketball match between Brazil and Argentina in London on August 8, 2012. AFP PHOTO /TIMOTHY A. CLARY

North Korea's Kim Jin Ok competes in the women's 10m platform preliminary round during the diving event at the London 2012 Olympic Games on August 8, 2012 in London. AFP PHOTO / FABRICE COFFRINI

Russia's Sergey Tetyukhin (R) spikes as Poland's Zbigniew Bartman (L) attempts to block during their men's quarter-final volleyball match of the London 2012 Olympic Games at the Earl's Court Arena in London on August 8, 2012. Russia leads 25-12,25-23 after two sets. AFP PHOTO/ MANAN VATSYAYANA

Russia's Sergey Tetyukhin (R) spikes as Poland's Zbigniew Bartman (C) and Marcin Mozdozonek (L) attempt to block during their men's quarterfinal volleyball match of the London 2012 Olympic Games at the Earl's Court Arena in London on August 8, 2012. Russia leads 25-12,25-23 after two sets. AFP PHOTO/ MANAN VATSYAYANA

Russia's Dmitriy Muserskiy (C) spikes as Poland's Grzegorz Kosok (L) attempts to block during their men's quarterfinal volleyball match of the London 2012 Olympic Games at the Earl's Court Arena in London on August 8, 2012. AFP PHOTO/ MANAN VATSYAYANA