Slovenia's Rok Draksic (white) competes with Hungary's Miklos Ungvari (blue) during their men's -66kg contest match of the judo event at the London 2012 Olympic Games on July 29, 2012 at the ExCel arena in London. AFP PHOTO / ANTONIN THUILLIER

Kitty van Male (L) of Netherlands dribbles past Anouk Raes (C) and Judith Vandermeiren (R) of Belgium during the preliminary round women's field hockey match of the London 2012 Olympic Games between Belgium and Netherlands at the Riverbank Arena in London on July 29, 2012. Netherlands won the match 3-0. AFP PHOTO/ INDRANILMUKHERJEE

Canada's Philippe Beaudry (L) fences against Belarus's Dmitry Lapkes during a Men's Sabre fencing bout as part of the London 2012 Olympic games, on July 29, 2012 at the ExCel centre in London. AFP PHOTO / TOSHIFUMI KITAMURA

Canada's Philippe Beaudry (L) fences against Belarus's Dmitry Lapkes during a Men's Sabre fencing bout as part of the London 2012 Olympic games, on July 29, 2012 at the ExCel centre in London. AFP PHOTO / TOSHIFUMI KITAMURA

Israel's gymnast Valeriia Maksiuta performs on the beam during the women's qualification of the artistic gymnastics event of the London Olympic Games on July 29, 2012 at the 02 North Greenwich Arena in London. AFP PHOTO / THOMAS COEX

Italy's Federica Pellegrini competes in the women's 400m freestyle heats swimming event at the London 2012 Olympic Games on July 29, 2012 in London. AFP PHOTO / FRANCOIS XAVIER MARIT

Croatia's leftwing Ivan Nincevic jumps to shoot during the men's preliminaries Group B handball match Croatia vs South Korea for the London 2012 Olympics Games on July 29, 2012 at the Copper Box hall in London. AFP PHOTO/ JAVIER SORIANO

Germany's Max Hartung (L) fences against Italy's Luigi Tarantino during a Men's Sabre fencing bout as part of the London 2012 Olympic games, on July 29, 2012 at the ExCel centre in London. AFP PHOTO / ALBERTO PIZZOLI

Vietnam's gymnast Thi Ngan Thuong Do performs on the beam during the women's qualification of the artistic gymnastics event of the London Olympic Games on July 29, 2012 at the 02 North Greenwich Arena in London. AFP PHOTO / THOMAS COEX

Australia's gymnast Emily Little performs on the beam during the women's qualification of the artistic gymnastics event of the London Olympic Games on July 29, 2012 at the 02 North Greenwich Arena in London. AFP PHOTO / THOMAS COEX

Australian guard Patrick Mills (R) dribbles next to Brazilian forward Marcelinho Huertas during the Men's Preliminary Round Group B basketball match Brazil vs Australia at the London 2012 Olympic Games , on July 29, 2012 in London. AFP PHOTO / EMMANUEL DUNAND

Brazilian centre Tiago Splitter (C) jumps with the ball during the Men's Preliminary Round Group B basketball match Brazil vs Australia at the London 2012 Olympic Games , on July 29, 2012 in London. AFP PHOTO / EMMANUEL DUNAND

US fencer Daryl Homer (L) fights against Romania's Tiberiu Dolniceanu during their Men's Sabre fencing bout as part of the London 2012 Olympic games, on July 29, 2012 at the ExCel centre in London. AFP PHOTO / TOSHIFUMI KITAMURA

North Korea's An Kum Ae (white) competes with France's Priscilla Gneto (blue) during their women's -52kg contest match of the judo event at the London 2012 Olympic Games on July 29, 2012 ExCel arena in London. AFP PHOTO / JOHANNES EISELE

Germany's Julia Rohde competes during the weightlifting women's 53kg group B at the Excel Center in London during the 2012 London Olympic Games on July 29, 2012. AFP PHOTO / YURI CORTEZ

Russia's Sergey Tetyukhin (L) and Alexander Sokolov attempt to set during the men's volleyball match between Germany and Russia in the 2012 London Olympic Games on July 29, 2012 in London. AFP PHOTO/KIRILL KUDRYAVTSEV

North Korea's An Kum Ae (white) competes with France's Priscilla Gneto (blue) during their women's -52kg contest match of the judo event at the London 2012 Olympic Games on July 29, 2012 ExCel arena in London. AFP PHOTO / JOHANNES EISELE

Quadri Aruna of Nigeria eyes the ball as he serves to Bora Vang of Turkey during a table tennis men's singles preliminary round match of the London 2012 Olympic Games at the Excel centre in London July 29, 2012. AFP Photo / Saeed Khan

Australia's gymnast Lauren Mitchell performs on the floor during the women's qualification of the artistic gymnastics event of the London Olympic Games on July 29, 2012 at the 02 North Greenwich Arena in London. AFP PHOTO / BEN STANSALL

Russia's players celebrate winning a point during the men's volleyball match between Germany and Russia in the 2012 London Olympic Games in London on July 29, 2012. AFP PHOTO/KIRILL KUDRYAVTSEV

Bora Vang of Turkey celebrates his victory over Quadri Aruna of Nigeria during a table tennis men's singles preliminary round match of the London 2012 Olympic Games at the Excel centre in London July 29, 2012. AFP Photo / Saeed Khan

William Henzell of Australia celebrates his vital point against Joao Monteiro of Porland during a table tennis men's singles preliminary round match of the London 2012 Olympic Games at the Excel centre in London July 29, 2012. AFP Photo / Saeed Khan

Germany's Julia Rohde celebrates during the weightlifting women's 53kg group B competition at the Excel Center in London during the 2012 London Olympic Games on July 29, 2012. AFP PHOTO / YURI CORTEZ

Korea's Kim Kyung-Ok (white) competes with Italy's Rosalba Forciniti (blue) during their women's -52kg contest match of the judo event at the London 2012 Olympic Games on July 29, 2012 ExCel arena in London. AFP PHOTO / JOHANNES EISELE

Germany's Lars Hartig (R) and Linus Lichtschlag wait to compete in the men's lightweight double sculls heats of the rowing event during the London 2012 Olympic Games, at Eton Dorney Rowing Centre in Eton, west of London, on July 29, 2012. AFP PHOTO / DAMIEN MEYER

Russia's Veniamin Reshetnikov (L) fences against US fencer Timothy Morehouse during their Men's Sabre fencing bout as part of the London 2012 Olympic games, on July 29, 2012 at the ExCel centre in London. AFP PHOTO / TOSHIFUMI KITAMURA

Russia's players react during the men's volleyball match between Germany and Russia in the 2012 London Olympic Games in London on July 29, 2012. AFP PHOTO/KIRILL KUDRYAVTSEV

Germany's Marcus Bohme attempts to set during the men's volleyball match between Germany and Russia in the 2012 London Olympic Games in London on July 29, 2012. AFP PHOTO/KIRILL KUDRYAVTSEV

Russia's Alexander Butko gives a pass during the men's volleyball match between Germany and Russia in the 2012 London Olympic Games in London on July 29, 2012. AFP PHOTO/KIRILL KUDRYAVTSEV

Germany's Lars Hartig (R) and Linus Lichtschlag wait to compete in the men's lightweight double sculls heats of the rowing event during the London 2012 Olympic Games, at Eton Dorney Rowing Centre in Eton, west of London, on July 29, 2012. AFP PHOTO / DAMIEN MEYER

Australia's Cameron McEnvoy, James Roberts, Tommaso D'Orsogna and James Magnussen celebrates after the men's 4 x 100m freestyle relay heats swimming event at the London 2012 Olympic Games on July 29, 2012 in London. AFP PHOTO / CHRISTOPHE SIMON

Australia's James Roberts dives during after the men's 4 x 100m freestyle relay heats swimming event at the London 2012 Olympic Games on July 29, 2012 in London. AFP PHOTO / CHRISTOPHE SIMON

France's Alain Bernard and France's Jeremy Stravius (L) celebrate after the men's 4 x 100m freestyle relay heats swimming event at the London 2012 Olympic Games on July 29, 2012 in London. AFP PHOTO / FABRICE COFFRINI

France's Jeremy Stravius (R) prepares for the men's 4 x 100m freestyle relay heats swimming event at the London 2012 Olympic Games on July 29, 2012 in London. AFP PHOTO / FABRICE COFFRINI

France's Amaury Leveaux preapres for the men's 4 x 100m freestyle relay heats swimming event at the London 2012 Olympic Games on July 29, 2012 in London. AFP PHOTO / CHRISTOPHE SIMON

Russia's Alexander Volkov (R) spikes as Germany's Marcus Bohme (C) attempts to block during the men's volleyball match between Germany and Russia in the 2012 London Olympic Games in London on July 29, 2012. AFP PHOTO/KIRILL KUDRYAVTSEV

Germany's Marcus Popp (L) spikes as Russia's Alexander Volkov (R) and Alexander Butko (2ndL) attempt to block during the men's volleyball match between Germany and Russia in the 2012 London Olympic Games in London on July 29, 2012. AFP PHOTO/KIRILL KUDRYAVTSEV

Australia's Leiston Pickett dives during the women's 100m breaststroke heats swimming event at the London 2012 Olympic Games on July 29, 2012 in London. AFP PHOTO / MARTIN BUREAU

Italy's gymnast Vanessa Ferrari performs on the uneven bars during the women's qualification of the artistic gymnastics event of the London Olympic Games on July 29, 2012 at the 02 North Greenwich Arena in London. AFP PHOTO / BEN STANSALL

Britain's Colin Oates reacts after losing against Georgia's Lasha Shavdatuashvili during their men's -66kg contest match of the judo event at the London 2012 Olympic Games on July 29, 2012 at the ExCel arena in London. AFP PHOTO / JOHANNES EISELE

Canada's Brent Hayden prepares for the men's 4 x 100m freestyle relay heats swimming event at the London 2012 Olympic Games on July 29, 2012 in London. AFP PHOTO / LEON NEAL

Italy's gymnast Vanessa Ferrari performs on the uneven bars during the women's qualification of the artistic gymnastics event of the London Olympic Games on July 29, 2012 at the 02 North Greenwich Arena in London. AFP PHOTO / BEN STANSALL

Italy's gymnast Erika Fasana performs on the beam during the women's qualification of the artistic gymnastics event of the London Olympic Games on July 29, 2012 at the 02 North Greenwich Arena in London. AFP PHOTO / BEN STANSALL

Australian forward Brad Newley (L) is to shoot during the Men's Preliminary Round Group B basketball match Brazil vs Australia at the London 2012 Olympic Games , on July 29, 2012 in London. AFP PHOTO / EMMANUEL DUNAND

Japan's Masashi Ebinuma (white) competes with Korea's Cho Jun-Ho (blue) during their men's -66kg contest match of the judo event at the London 2012 Olympic Games on July 29, 2012 at the ExCel arena in London. AFP PHOTO / FRANCK FIFE

Japan's Masashi Ebinuma (white) competes with Korea's Cho Jun-Ho (blue) during their men's -66kg contest match of the judo event at the London 2012 Olympic Games on July 29, 2012 at the ExCel arena in London. AFP PHOTO / FRANCK FIFE

Japan's Masashi Ebinuma (white) competes with Korea's Cho Jun-Ho (blue) during their men's -66kg contest match of the judo event at the London 2012 Olympic Games on July 29, 2012 at the ExCel arena in London. AFP PHOTO / FRANCK FIFE

Australia's gymnast Emily Little performs on the uneven bars during the women's qualification of the artistic gymnastics event of the London Olympic Games on July 29, 2012 at the 02 North Greenwich Arena in London. AFP PHOTO / BEN STANSALL

Germany's Benedikt Wagner (L) fences against Germany's Nicolas Limbach during their Men's Sabre fencing bout as part of the London 2012 Olympic games, on July 29, 2012 at the ExCel centre in London. Limbach won the bout. AFP PHOTO / ALBERTO PIZZOLI

The Canada team Women's Eight compete in the eight women of the rowing event during the London 2012 Olympic Games, at Eton Dorney Rowing Centre in Eton, west of London, on July 29, 2012. AFP PHOTO / ERIC FEFERBERGThe

The Netherland team Women's Eight compete in the eight women of the rowing event during the London 2012 Olympic Games, at Eton Dorney Rowing Centre in Eton, west of London, on July 29, 2012. AFP PHOTO / ERIC FEFERBERGThe

Brazilian forward Marcelinho Huertas (C) jumps to shoot during the Men's Preliminary Round Group B basketball match Brazil vs Australia at the London 2012 Olympic Games , on July 29, 2012 in London. AFP PHOTO / MARK RALSTON

Korea's Cho Jun-Ho leaves after losing against Japan's Masashi Ebinuma during their men's -66kg contest match of the judo event at the London 2012 Olympic Games on July 29, 2012 at the ExCel arena in London. AFP PHOTO / FRANCK FIFE

Silver medalist French Celine Goberville competes in the women's 10m air pistol event at the Royal artillery Barracks in London, on July 29, 2012 during the London 2012 Olympic Games. AFP PHOTO/MARWAN NAAMANI

The Romania team Women's Eight compete in the eight women of the rowing event during the London 2012 Olympic Games, at Eton Dorney Rowing Centre in Eton, west of London, on July 29, 2012. AFP PHOTO / ERIC FEFERBERG

Brazilian centre Nene Hilario (L) is to shoot during the Men's Preliminary Round Group B basketball match Brazil vs Australia at the London 2012 Olympic Games , on July 29, 2012 in London. AFP PHOTO / MARK RALSTON

Germany's Benedikt Wagner (L) fences against Germany's Nicolas Limbach during their Men's Sabre fencing bout as part of the London 2012 Olympic games, on July 29, 2012 at the ExCel centre in London. AFP PHOTO / TOSHIFUMI KITAMURA

Poland's Agnieszka Radwanska plays a stroke during her women's singles tennis first round match against Julia Goerges of Germany at The All England Tennis Club in Wimbledon, southwest London on July 29, 2012, for The 2012 London Olympic Games. AFP PHOTO / MARTIN BERNETTI

Poland's Agnieszka Radwanska plays a stroke during her women's single tennis first round match against Julia Goerges of Germany at The All England Tennis Club in Wimbledon, southwest London on July 29, 2012, for the 2012 London Olympic Games. AFP PHOTO / MARTIN BERNETTI

Poland's Agnieszka Radwanska plays a return during her women's singles tennis first round match against Julia Goerges of Germany at The All England Tennis Club in Wimbledon, southwest London on July 29, 2012, for The 2012 London Olympic Games. AFP PHOTO / MARTIN BERNETTI

Poland's Agnieszka Radwanska plays a stroke during her women's single tennis first round match against Julia Georges of Germany at The All England Tennis Club in Wimbledon, southwest London on July 29, 2012, for the 2012 London Olympic Games. AFP PHOTO / MARTIN BERNETTI

Poland's Agnieszka Radwanska plays a stroke during her women's single tennis first round match against Julia Georges of Germany at The All England Tennis Club in Wimbledon, southwest London on July 29, 2012, for the 2012 London Olympic Games. AFP PHOTO / MARTIN BERNETTI

Australia's Matt Nielsen (R) challenges Brazil's Anderson Varejao (L) during the Men's Preliminary Round Group B basketball match Brazil vs Australia at the London 2012 Olympic Games , on July 29, 2012 in London. AFP PHOTO / POOL / SERGIO PEREZ

Poland's Agnieszka Radwanska plays a return during her women's singles tennis first round match against Julia Goerges of Germany at The All England Tennis Club in Wimbledon, southwest London on July 29, 2012, for The 2012 London Olympic Games. AFP PHOTO / MARTIN BERNETTI

Poland's Agnieszka Radwanska recovers after falling during her women's singles tennis first round match against Julia Goerges of Germany at The All England Tennis Club in Wimbledon, southwest London on July 29, 2012, for The 2012 London Olympic Games. AFP PHOTO / MARTIN BERNETTI

US fencer Timothy Morehouse (L) fences against Belarus's Dmitry Lapkes during their Men's Sabre fencing bout as part of the London 2012 Olympic games, on July 29, 2012 at the ExCel centre in London. AFP PHOTO / TOSHIFUMI KITAMURA

Poland's Agnieszka Radwanska prepares to serve during her women's singles tennis first round match against Julia Goerges of Germany at The All England Tennis Club in Wimbledon, southwest London on July 29, 2012, for The 2012 London Olympic Games. AFP PHOTO / MARTIN BERNETTI

Brazil's Alison celebrates after scoring during their men's beach volleyball preliminary phase Pool A match against Austria during the London 2012 Olympic Games at Horse Guards Parade, on July 29, 2012. Brazil won 2-1. AFP PHOTO / DANIEL GARCIA

Brazil's Emanuel celebrates after scoring during the men's beach volleyball preliminary phase Pool A match between Brazil and Austria during the London 2012 Olympic Games at Horse Guards Parade, on July 29, 2012. Brazil won 2-1. AFP PHOTO / DANIEL GARCIA

Brazil's Alison Cerutta (L) celebrates with teammate Emanuel Rego during their men's beach volleyball preliminary phase Pool A match against Clemens Doppler and Alexander Horst of Austria on The Centre Court Stadium in Horse Guards Parade on London on July 29, 2012, for the London 2012 Olympic Games. Brazil won 2-1. AFP PHOTO / DANIEL GARCIA

Germany's Sandra Auffarth on Opgun Louvo waves to spectators in the dressage phase of the Eventing competition during the London 2012 Olympic Games at the equestrian venue in Greenwich Park, London, on July 29, 2012. AFP PHOTO / JOHN MACDOUGALL

Japan's Yagi Kanae waves during the weightlifting women's 53kg group B competion at the Excel Center in London during the 2012 London Olympic Games on July 29, 2012. AFP PHOTO / YURI CORTEZ

Venezuelan's Inmara Henriquez competes in the weightlifting women's 53kg group B at the Excel Center in London during the 2012 London Olympic Games on July 29, 2012. AFP PHOTO / YURI CORTEZ

France's Priscilla Gneto (white) competes with Korea's Kim Kyung-Ok (blue) during their women's -52kg contest match of the judo event at the London 2012 Olympic Games on July 29, 2012 ExCel arena in London. AFP PHOTO / JOHANNES EISELE

PICTURE TAKEN WITH UNDERWATER CAMERA Germany's Jan-Philip Glania competes in the men's 100m backstroke heats swimming event at the London 2012 Olympic Games on July 29, 2012 in London. AFP PHOTO / FRANCOIS XAVIER MARIT

Cuba's Yanet Bermoy Acosta (white) competes with Belgium's Ilse Heylen (blue) during their women's -52kg contest semi-final match of the judo event at the London 2012 Olympic Games on July 29, 2012 ExCel arena in London. AFP PHOTO / FRANCK FIFE

Cuba's Yanet Bermoy Acosta (white) celebrates after winning against Belgium's Ilse Heylen (blue) during their women's -52kg contest semi-final match of the judo event at the London 2012 Olympic Games on July 29, 2012 ExCel arena in London. AFP PHOTO / FRANCK FIFE

Cuba's Yanet Bermoy Acosta (white) competes with Belgium's Ilse Heylen (blue) during their women's -52kg contest semi-final match of the judo event at the London 2012 Olympic Games on July 29, 2012 ExCel arena in London. AFP PHOTO / JOHANNES EISELE

Tunisia's centreback Heykel Megannem jumps to shoot during the men's preliminaries Group A handball match Sweden vs Tunisia for the London 2012 Olympics Games on July 29, 2012 at the Copper Box hall in London. AFP PHOTO/ JAVIER SORIANO

Azerbaijan's Tarlan Karimov (white) competes with Poland's Pawel Zagrodnik (blue) during their men's -66kg contest match of the judo event at the London 2012 Olympic Games on July 29, 2012 at the ExCel arena in London. AFP PHOTO / FRANCK FIFE

Azerbaijan's Tarlan Karimov (white) competes with Poland's Pawel Zagrodnik (blue) during their men's -66kg contest match of the judo event at the London 2012 Olympic Games on July 29, 2012 at the ExCel arena in London. AFP PHOTO / FRANCK FIFE

Azerbaijan's Tarlan Karimov (white) competes with Poland's Pawel Zagrodnik (blue) during their men's -66kg contest match of the judo event at the London 2012 Olympic Games on July 29, 2012 at the ExCel arena in London. AFP PHOTO / FRANCK FIFE

A bloodied Gani Zhailauov (L) of Kazakhstan defends against Saylom Ardee (R) of Thailand during their first round Lightweight (60Kg) match of the London 2012 Olymipic Games on July 29, 2012 at the Excel Arena in London. Zhailauov won on a close points decision. AFP PHOTO / Jack GUEZ

Spain's Liliana Fernandez Steiner (L) and teammate Elsa Baquerizo McMillan celebrate winning a point against Czech Republic during their women's beach volleyball preliminary phase Pool D match of the London 2012 Olympic Games at the Centre Court of the stadium in Horse Guards Parade, on July 29, 2012. Spain won 2-1. AFP PHOTO / DANIEL GARCIA

Azerbaijan's Tarlan Karimov (white) competes with Poland's Pawel Zagrodnik (blue) during their men's -66kg contest match of the judo event at the London 2012 Olympic Games on July 29, 2012 at the ExCel arena in London. AFP PHOTO / FRANCK FIFE

Azerbaijan's Tarlan Karimov (white) competes with Poland's Pawel Zagrodnik (blue) during their men's -66kg contest match of the judo event at the London 2012 Olympic Games on July 29, 2012 at the ExCel arena in London. AFP PHOTO / FRANCK FIFE

Poland's Pawel Zagrodnik (blue) reacts as he wins with against Azerbaijan's Tarlan Karimov (white) during their men's -66kg contest match of the judo event at the London 2012 Olympic Games on July 29, 2012 at the ExCel arena in London. AFP PHOTO / FRANCK FIFE

Poland's Pawel Zagrodnik (blue) reacts as he wins with against Azerbaijan's Tarlan Karimov (white) during their men's -66kg contest match of the judo event at the London 2012 Olympic Games on July 29, 2012 at the ExCel arena in London. AFP PHOTO / FRANCK FIFE

Poland's Agnieszka Radwanska returns to Julia Goerges of Germany during their London 2012 Olympic Games women's singles tennis match at the All England Tennis Club in Wimbledon, southwest London, on July 29, 2012. AFP PHOTO/ MARTIN BERNETTI

Italy's Diego Occhiuzzi (R) fences against US fencer Timothy Morehouse during their Men's Sabre fencing bout as part of the London 2012 Olympic games, on July 29, 2012 at the ExCel centre in London. AFP PHOTO / TOSHIFUMI KITAMURA

Spain's Liliana Fernandez Steiner (L) blocks the ball smashed by Netherland's Marleen van Iersel during their women's beach volleyball preliminary phase Pool D match of the London 2012 Olympic Games at the Centre Court of the stadium in Horse Guards Parade in London, on July 29, 2012. Spain won 2-1. AFP PHOTO / DANIEL GARCIA

Poland's Pawel Zagrodnik (blue) reacts as he wins with against Azerbaijan's Tarlan Karimov (white) during their men's -66kg contest match of the judo event at the London 2012 Olympic Games on July 29, 2012 at the ExCel arena in London. AFP PHOTO / FRANCK FIFE

Poland's Pawel Zagrodnik (blue) reacts as he wins with against Azerbaijan's Tarlan Karimov (white) during their men's -66kg contest match of the judo event at the London 2012 Olympic Games on July 29, 2012 at the ExCel arena in London. AFP PHOTO / FRANCK FIFE

Poland's Pawel Zagrodnik (blue) reacts as he wins with against Azerbaijan's Tarlan Karimov (white) during their men's -66kg contest match of the judo event at the London 2012 Olympic Games on July 29, 2012 at the ExCel arena in London. AFP PHOTO / JOHANNES EISELE

Poland's Pawel Zagrodnik (blue) competes with Azerbaijan's Tarlan Karimov (white) during their men's -66kg contest match of the judo event at the London 2012 Olympic Games on July 29, 2012 at the ExCel arena in London. AFP PHOTO / JOHANNES EISELE

Poland's Pawel Zagrodnik (blue) competes with Azerbaijan's Tarlan Karimov (white) during their men's -66kg contest match of the judo event at the London 2012 Olympic Games on July 29, 2012 at the ExCel arena in London. AFP PHOTO / JOHANNES EISELE

Poland's Pawel Zagrodnik (blue) competes with Azerbaijan's Tarlan Karimov (white) during their men's -66kg contest match of the judo event at the London 2012 Olympic Games on July 29, 2012 at the ExCel arena in London. AFP PHOTO / JOHANNES EISELE

Poland's Pawel Zagrodnik (blue) competes with Azerbaijan's Tarlan Karimov (white) during their men's -66kg contest match of the judo event at the London 2012 Olympic Games on July 29, 2012 at the ExCel arena in London. AFP PHOTO / FRANCK FIFE

Mexico's forward Marco Fabian (L) and Gabon's midfielder Alexander Ndoumbou fight for the ball in their London 2012 Olympic men's football match at The City of Coventry Stadium in Coventry, central England, on July 29, 2012, during the London 2012 Olympic Games. AFP PHOTO/PAUL ELLIS

Romania's Rares Dumitrescu (R) fences against US fencer Daryl Homer during the Men's Sabre fencing event as part of the London 2012 Olympic games, on July 29, 2012 at the ExCel centre in London. AFP PHOTO / TOSHIFUMI KITAMURA

Gabon's coach Claude Mbourounot waits for the start of the London 2012 Olympic men's football match between Gabon and Mexico at The City of Coventry Stadium in Coventry, central England, on July 29, 2012 during the London 2012 Olympic Games. AFP PHOTO/PAUL ELLIS

Germany's Nicolas Limbach (L) is comforted by Hungary's Aron Szilagyi at the end of their Men's Sabre fencing event as part of the London 2012 Olympic games, on July 29, 2012 at the ExCel centre in London. AFP PHOTO / ALBERTO PIZZOLI

Britain's Colin Oates (white) competes with Korea's Cho Jun-Ho (blue) during their men's -66kg contest repechage match of the judo event at the London 2012 Olympic Games on July 29, 2012 at the ExCel arena in London. AFP PHOTO / FRANCK FIFE

Tunisia's leftback Wael Jallouz jumps to shoot during the men's preliminaries Group A handball match Sweden vs Tunisia for the London 2012 Olympics Games on July 29, 2012 at the Copper Box hall in London. AFP PHOTO/ JAVIER SORIANO

Hungary's Aron Szilagyi celebrates his victory over Germany's Nicolas Limbach at the end of their Men's Sabre fencing event as part of the London 2012 Olympic games, on July 29, 2012 at the ExCel centre in London. AFP PHOTO / ALBERTO PIZZOLI

Netherland's Sanne Keizer dives for the ball during a women's beach volleyball preliminary phase Pool D match of the London 2012 Olympic Games against Spain at the Centre Court of the stadium in Horse Guards Parade in London, on July 29, 2012. Spain won 2-1. AFP PHOTO / DANIEL GARCIA

US forward Kevin Durant shoots during the Men's Preliminary Round Group A match United States vs France at the London 2012 Olympic Games , on July 29, 2012 in London. AFP PHOTO / EMMANUEL DUNAND

Britain's Colin Oates (white) competes with Korea's Cho Jun-Ho (blue) during their men's -66kg contest repechage match of the judo event at the London 2012 Olympic Games on July 29, 2012 at the ExCel arena in London. AFP PHOTO / JOHANNES EISELE

Britain's Colin Oates gestureafter losing against Korea's Cho Jun-Ho during their men's -66kg contest repechage match of the judo event at the London 2012 Olympic Games on July 29, 2012 at the ExCel arena in London. AFP PHOTO / FRANCK FIFE

Egypt's Sara Mohamed Baraka (R) and Fatma Rashed compete in the women's lightweight double sculls heats of the rowing event during the London 2012 Olympic Games, at Eton Dorney Rowing Centre in Eton, west of London, on July 29, 2012. AFP PHOTO / ERIC FEFERBERG

Hungary's Aron Szilagyi (R) fences against Germany's Nicolas Limbach during their Men's Sabre fencing event as part of the London 2012 Olympic games, on July 29, 2012 at the ExCel centre in London. AFP PHOTO / ALBERTO PIZZOLI

Russia's Nikolay Kovalev celebrates his victory over Germany's Nicolas Limbach during their Men's Sabre fencing event as part of the London 2012 Olympic games, on July 29, 2012 at the ExCel centre in London. AFP PHOTO / ALBERTO PIZZOLI

Spain's Sugoi Uriarte (white) competes with Hungary's Miklos Ungvari (blue) during their men's -66kg contest semi-final match of the judo event at the London 2012 Olympic Games on July 29, 2012 at the ExCel arena in London. AFP PHOTO / FRANCK FIFE

Jai Bhagwan (L) of India receives instruction from his corner between rounds against Andrique Allisop of the Seychelles (out of frame) during their first round Lightweight (60Kg) match of the London 2012 Olymipic Games on July 29, 2012 at the Excel Arena in London. Bhagwan was awarded an 18-8 points decision. AFP PHOTO / Jack GUEZ

Great Britain's Sophie Hosking (R) and Katherine Copeland laugh after competing in the women's lightweight double sculls heats of the rowing event during the London 2012 Olympic Games, at Eton Dorney Rowing Centre in Eton, west of London, on July 29, 2012. AFP PHOTO / ERIC FEFERBERG

Spain's Sugoi Uriarte (white) competes with Hungary's Miklos Ungvari (blue) during their men's -66kg contest semi-final match of the judo event at the London 2012 Olympic Games on July 29, 2012 at the ExCel arena in London. AFP PHOTO / FRANCK FIFE

Spain's Sugoi Uriarte (white) competes with Hungary's Miklos Ungvari (blue) during their men's -66kg contest semi-final match of the judo event at the London 2012 Olympic Games on July 29, 2012 at the ExCel arena in London. AFP PHOTO / FRANCK FIFE

Tunisia's centreback Kamel Alouini jumps to shoot during the men's preliminaries Group A handball match Sweden vs Tunisia for the London 2012 Olympics Games on July 29, 2012 at the Copper Box hall in London. AFP PHOTO/ JAVIER SORIANO

Italy's Diego Occhiuzzi celebrates his victory over US fencer Timothy Morehouse at the end of their Men's Sabre fencing event as part of the London 2012 Olympic games, on July 29, 2012 at the ExCel centre in London. AFP PHOTO / TOSHIFUMI KITAMURA

Brazil's Hulk (C) vies with Belarus' Ilya Aleksievich (R) during the London 2012 Olympic Games men's football match between Brazil and Belarus at Old Trafford in Manchester, north-west England, on July 29, 2012. AFP PHOTO / ANDREW YATES

French guard Tony Parker (L) speaks to Brazilian referee Cristiano Maranho during the Men's Preliminary Round Group A match United States vs France at the London 2012 Olympic Games , on July 29, 2012 in London. AFP PHOTO / MARK RALSTON

China's Chen Long plays a shot during the men's singles badminton match against Thailand's Boonsak Ponsana at the London 2012 Olympic Games in London on July 29, 2012. Chen won the match 21-12, 21-17. AFP PHOTO / ADRIAN DENNIS

Jai Bhagwan (R) of India connects with a right against Andrique Allisop (L) of the Seychelles during their first round Lightweight (60Kg) match of the London 2012 Olymipic Games on July 29, 2012 at the Excel Arena in London. Bhagwan was awarded an 18-8 points decision. AFP PHOTO / Jack GUEZ

US forward LeBron James (L) and teammates celebrate after scoring during the Men's Preliminary Round Group A match United States vs France at the London 2012 Olympic Games , on July 29, 2012 in London. AFP PHOTO / MARK RALSTON

US guard Russell Westbrook (L) shoots next to French centre Kevin Seraphin during the Men's Preliminary Round Group A match United States vs France at the London 2012 Olympic Games , on July 29, 2012 in London. AFP PHOTO / TIMOTHY A. CLARY

US divers Abigail Johnston and Kelci Bryant dive during the women's synchronised 3m springboard diving event at the London 2012 Olympic Games on July 29, 2012 in London. AFP PHOTO / FABRICE COFFRINI

Georgia's Lasha Shavdatuashvili celebrates after winning against Japan's Masashi Ebinuma during their men's -66kg contest semi-final match of the judo event at the London 2012 Olympic Games on July 29, 2012 at the ExCel arena in London. AFP PHOTO / FRANCK FIFE

US gymnast Alexandra Raisman performs on the vault during the women's qualification of the artistic gymnastics event of the London Olympic Games on July 29, 2012 at the 02 North Greenwich Arena in London. AFP PHOTO / THOMAS COEX