Pavel Lyzhyn of Belarus competes in the men's shot put qualifying round during the IAAF World Athletics Championships at the Luzhniki stadium in Moscow August 15, 2013. REUTERS/Dominic Ebenbichler (RUSSIA - Tags: SPORT ATHLETICS)

Pavel Lyzhyn of Belarus competes in the men's shot put qualifying round during the IAAF World Athletics Championships at the Luzhniki stadium in Moscow August 15, 2013. REUTERS/Kai Pfaffenbach (RUSSIA - Tags: SPORT ATHLETICS)

Pavel Lyzhyn of Belarus competes in the men's shot put qualifying round during the IAAF World Athletics Championships at the Luzhniki stadium in Moscow August 15, 2013. REUTERS/Dominic Ebenbichler (RUSSIA - Tags: SPORT ATHLETICS)

A combination picture shows different athletes sticking their tongues out during the London 2012 Olympic Games. Athletes shown are, top row (L to R) tennis player John Isner from U.S., weightlifter Natasha Perdue of Great Britain, weightlifter Meline Daluzyan of Armenia. Middle row (L to R) hurdler David Greene of Great Britain, double trap shooter Peter Robert Russell Wilson of Great Britain, swimmer Michael Phelps of U.S. Bottom row (L to R) shot putter Pavel Lyzhyn of Belarus, weightlifter Junior Sanchez Rivero of Venezuela, weightlifter Deni Deni of Indonesia. Pictures taken on various dates since the start of the Games. REUTERS/Staff (BRITAIN - Tags: OLYMPICS TPX IMAGES OF THE DAY)

Belarus' Pavel Lyzhyn competes in the men's shot put Group A qualification at the London 2012 Olympic Games in the Olympic Stadium August 3, 2012. REUTERS/Kai Pfaffenbach (BRITAIN - Tags: OLYMPICS SPORT ATHLETICS TPX IMAGES OF THE DAY)

Pavel Lyzhyn of Belarus competes in the men's shot put final during the world athletics championships at the Olympic stadium in Berlin August 15, 2009. REUTERS/Kai Pfaffenbach (GERMANY SPORT ATHLETICS)

Pavel Lyzhyn of Belarus competes in the men's shot put final during the athletics competition in the National Stadium at the Beijing 2008 Olympic Games August 15, 2008. REUTERS/Ruben Sprich (CHINA)