2018 European Championships - Men's Discus Throw, Final- Olympic Stadium, Berlin, Germany - August 8, 2018 - Gerd Kanter of Estonia. REUTERS/Michael Dalder

2018 European Championships - Men's Discus Throw, Final- Olympic Stadium, Berlin, Germany - August 8, 2018 - Gerd Kanter of Estonia reacts. REUTERS/Michael Dalder

2018 European Championships - Men's Discus Throw Final - Olympic Stadium, Berlin, Germany - August 8, 2018 - Gerd Kanter of Estonia competes. REUTERS/Kai Pfaffenbach

2018 European Championships - Men's Discus Throw Final - Olympic Stadium, Berlin, Germany - August 8, 2018 - Gerd Kanter of Estonia competes. REUTERS/Kai Pfaffenbach

Athletics - World Athletics Championships – men's discus throw final – London Stadium, London, Britain – August 5, 2017 – Gerd Kanter of Estonia reacts. REUTERS/Kai Pfaffenbach

Athletics - World Athletics Championships – Men's Discus Throw Final - London Stadium, London, Britain - August 5, 2017. Gerd Kanter of Estonia in action. REUTERS/Kai Pfaffenbach

Athletics - World Athletics Championships – men's discus throw final – London Stadium, London, Britain – August 5, 2017 – Gerd Kanter of Estonia competes. REUTERS/Fabrizio Bensch

Athletics - World Athletics Championships – men's discus throw - qualifying round – London Stadium, London, Britain – August 4, 2017 – Gerd Kanter of Estonia competes. REUTERS/Kai Pfaffenbach

Athletics - World Athletics Championships – men's discus throw - qualifying round – London Stadium, London, Britain – August 4, 2017 – Gerd Kanter of Estonia competes. REUTERS/Fabrizio Bensch

Gerd Kanter of Estonia competes in the men's discus throw final during the 15th IAAF World Championships at the National Stadium in Beijing, China, August 29, 2015. REUTERS/Kai Pfaffenbach

Gerd Kanter of Estonia competes in the men's discus throw final at the 15th IAAF World Championships at the National Stadium in Beijing, China, August 29, 2015. REUTERS/Kai Pfaffenbach

Gerd Kanter of Estonia competes in the men's discus throw final at the 15th IAAF World Championships at the National Stadium in Beijing, China, August 29, 2015. REUTERS/Fabrizio Bensch

Gerd Kanter of Estonia competes in the men's discus qualifying round during the 15th IAAF World Championships at the National Stadium in Beijing, China, August 27, 2015. REUTERS/Kai Pfaffenbach

Silver medallist Gerd Kanter of Estonia stands on the podium during the medal ceremony for the men's discus throw during the European Athletics Championships at the Letzigrund Stadium in Zurich August 14, 2014. REUTERS/Phil Noble (SWITZERLAND - Tags: SPORT ATHLETICS)

Gerd Kanter of Estonia competes in the men's discus final during the European Athletics Championships at the Letzigrund Stadium in Zurich August 13, 2014. REUTERS/Phil Noble (SWITZERLAND - Tags: SPORT ATHLETICS)

Gerd Kanter of Estonia competes in the men's discus qualifying round during the European Athletics Championships at the Letzigrund Stadium in Zurich August 12, 2014. REUTERS/Phil Noble (SWITZERLAND - Tags: SPORT ATHLETICS)

Gerd Kanter of Estonia celebrates after winning the men's discus throw at the Weltklasse Diamond League athletics meeting in Zurich August 29, 2013. REUTERS/Arnd Wiegmann (SWITZERLAND - Tags: SPORT ATHLETICS)

Gerd Kanter of Estonia competes in the men's discus throw during the Weltklasse Diamond League athletics meeting in Zurich August 29, 2013. REUTERS/Arnd Wiegmann (SWITZERLAND - Tags: SPORT ATHLETICS)

Gold medallist Robert Harting of Germany (C) poses with silver medallist Piotr Malachowski of Poland (L) and bronze medallist Gerd Kanter of Estonia at the men's discus throw victory ceremony during the IAAF World Athletics Championships at the Luzhniki stadium in Moscow August 13, 2013. REUTERS/Grigory Dukor (RUSSIA - Tags: SPORT ATHLETICS)

Gerd Kanter of Estonia competes in the men's discus throw final during the IAAF World Athletics Championships at the Luzhniki stadium in Moscow August 13, 2013. REUTERS/Kai Pfaffenbach (RUSSIA - Tags: SPORT ATHLETICS)

Gerd Kanter of Estonia competes in the men's discus throw final during the IAAF World Athletics Championships at the Luzhniki stadium in Moscow August 13, 2013. REUTERS/Dominic Ebenbichler (RUSSIA - Tags: SPORT ATHLETICS)

Gerd Kanter of Estonia competes in the men's discus throw final during the IAAF World Athletics Championships at the Luzhniki stadium in Moscow August 13, 2013. REUTERS/Fabrizio Bensch (RUSSIA - Tags: SPORT ATHLETICS)

Gerd Kanter of Estonia competes in the men's discus throw final during the IAAF World Athletics Championships at the Luzhniki stadium in Moscow August 13, 2013. REUTERS/Fabrizio Bensch (RUSSIA - Tags: SPORT ATHLETICS)

Gerd Kanter of Estonia competes in the men's discus throw qualifying round during the IAAF World Athletics Championships at the Luzhniki stadium in Moscow August 12, 2013. REUTERS/Kai Pfaffenbach (RUSSIA - Tags: SPORT ATHLETICS TPX IMAGES OF THE DAY)

Gerd Kanter of Estonia competes in the men's discus throw qualifying round during the IAAF World Athletics Championships at the Luzhniki stadium in Moscow August 12, 2013. REUTERS/Dominic Ebenbichler (RUSSIA - Tags: SPORT ATHLETICS)

Estonia's Gerd Kanter, bronze medalist in the men's discus throw, gestures from the podium before being presented with his medal at the London 2012 Olympic Games in London at the Olympic Stadium August 8, 2012. REUTERS/Eddie Keogh (BRITAIN - Tags: SPORT OLYMPICS SPORT ATHLETICS)

Estonia's Gerd Kanter, bronze medalist in the men's discus throw, waves from the podium at the London 2012 Olympic Games in London at the Olympic Stadium August 8, 2012. REUTERS/Eddie Keogh (BRITAIN - Tags: SPORT OLYMPICS SPORT ATHLETICS)

The medalists in men's discus Germany's Robert Harting (C) gold, Iran's Ehsan Hadadii (L) silver and Estonia's Gerd Kanter, bronze, pose at the London 2012 Olympic Games in London at the Olympic Stadium August 8, 2012. REUTERS/Eddie Keogh (BRITAIN - Tags: SPORT OLYMPICS SPORT ATHLETICS)

Germany's Robert Harting jumps over a hurdle as he celebrates winning the men's discus throw final during the London 2012 Olympic Games at the Olympic Stadium August 7, 2012. Harting won gold ahead of Iran's Ehsan Hadadi who took silver and Estonia's Gerd Kanter who won bronze. REUTERS/David Gray (BRITAIN - Tags: SPORT ATHLETICS OLYMPICS)

Germany's Robert Harting competes in the men's discus throw final during the London 2012 Olympic Games at the Olympic Stadium August 7, 2012. Harting won gold ahead of Iran's Ehsan Hadadi who took silver and Estonia's Gerd Kanter who won bronze. REUTERS/Pawel Kopczynski (BRITAIN - Tags: SPORT ATHLETICS OLYMPICS)

Germany's Robert Harting competes in the men's discus throw final during the London 2012 Olympic Games at the Olympic Stadium August 7, 2012. Harting won gold ahead of Iran's Ehsan Hadadi who took silver and Estonia's Gerd Kanter who won bronze. REUTERS/Pawel Kopczynski (BRITAIN - Tags: SPORT ATHLETICS OLYMPICS)

Germany's Robert Harting jumps over a hurdle as he celebrates winning the men's discus throw final during the London 2012 Olympic Games at the Olympic Stadium August 7, 2012. Harting won gold ahead of Iran's Ehsan Hadadi who took silver and Estonia's Gerd Kanter who won bronze. REUTERS/David Gray (BRITAIN - Tags: SPORT ATHLETICS OLYMPICS)

Estonia's Gerd Kanter competes in the men's discus throw final during the London 2012 Olympic Games at the Olympic Stadium August 7, 2012. REUTERS/Kai Pfaffenbach (BRITAIN - Tags: OLYMPICS SPORT ATHLETICS)

Estonia's Gerd Kanter competes in the men's discus throw final during the London 2012 Olympic Games at the Olympic Stadium August 7, 2012. REUTERS/Kai Pfaffenbach (BRITAIN - Tags: OLYMPICS SPORT ATHLETICS)

Estonia's Gerd Kanter competes in the men's discus throw final during the London 2012 Olympic Games at the Olympic Stadium August 7, 2012. REUTERS/Kai Pfaffenbach (BRITAIN - Tags: SPORT ATHLETICS OLYMPICS)

Iran's Ehsan Hadadi competes in the men's discus throw final during the London 2012 Olympic Games at the Olympic Stadium August 7, 2012. Germany's Robert Harting won gold ahead of Hadadi and Estonia's Gerd Kanter who took bronze. REUTERS/Pawel Kopczynski (BRITAIN - Tags: SPORT ATHLETICS OLYMPICS)

Estonia's Gerd Kanter competes in the men's discus throw final during the London 2012 Olympic Games at the Olympic Stadium August 7, 2012. Germany's Robert Harting won gold ahead of Iran's Ehsan Hadadi who took silver and Kanter who won bronze. REUTERS/Pawel Kopczynski (BRITAIN - Tags: SPORT ATHLETICS OLYMPICS)

Germany's Robert Harting competes in the men's discus throw final during the London 2012 Olympic Games at the Olympic Stadium August 7, 2012. Harting won gold ahead of Iran's Ehsan Hadadi who took silver and Estonia's Gerd Kanter who won bronze. REUTERS/Pawel Kopczynski (BRITAIN - Tags: SPORT ATHLETICS OLYMPICS)

Germany's Robert Harting competes in the men's discus throw final during the London 2012 Olympic Games at the Olympic Stadium August 7, 2012. Harting won gold ahead of Iran's Ehsan Hadadi who took silver and Estonia's Gerd Kanter who won bronze. REUTERS/Pawel Kopczynski (BRITAIN - Tags: SPORT ATHLETICS OLYMPICS)

Germany's Robert Harting celebrates winning the men's discus throw final during the London 2012 Olympic Games at the Olympic Stadium August 7, 2012. Harting won gold ahead of Iran's Ehsan Hadadi who took silver and Estonia's Gerd Kanter who won bronze. REUTERS/Stefan Wermuth (BRITAIN - Tags: SPORT ATHLETICS OLYMPICS)

Germany's Robert Harting jumps over a hurdle as he celebrates winning the men's discus throw final during the London 2012 Olympic Games at the Olympic Stadium August 7, 2012. Harting won gold ahead of Iran's Ehsan Hadadi who took silver and Estonia's Gerd Kanter who won bronze. REUTERS/Stefan Wermuth (BRITAIN - Tags: SPORT ATHLETICS OLYMPICS)

Iran's Ehsan Hadadi competes in the men's discus throw final during the London 2012 Olympic Games at the Olympic Stadium August 7, 2012. Germany's Robert Harting won gold ahead of Hadadi and Estonia's Gerd Kanter who took bronze. Picture taken with tilt and shift lens. REUTERS/Kai Pfaffenbach (BRITAIN - Tags: SPORT ATHLETICS OLYMPICS)

Germany's Robert Harting celebrates winning the men's discus throw final during the London 2012 Olympic Games at the Olympic Stadium August 7, 2012. Harting won gold ahead of Iran's Ehsan Hadadi who took silver and Estonia's Gerd Kanter who won bronze. REUTERS/Phil Noble (BRITAIN - Tags: SPORT ATHLETICS OLYMPICS)

Germany's Robert Harting competes in the men's discus throw final during the London 2012 Olympic Games at the Olympic Stadium August 7, 2012. Harting won gold ahead of Iran's Ehsan Hadadi who took silver and Estonia's Gerd Kanter who won bronze. Picture taken with a tilt and shift lens. REUTERS/Kai Pfaffenbach (BRITAIN - Tags: SPORT ATHLETICS OLYMPICS)

Germany's Robert Harting competes in the men's discus throw final during the London 2012 Olympic Games at the Olympic Stadium August 7, 2012. Harting won gold ahead of Iran's Ehsan Hadadi who took silver and Estonia's Gerd Kanter who won bronze. REUTERS/Kai Pfaffenbach (BRITAIN - Tags: SPORT ATHLETICS OLYMPICS)

Iran's Ehsan Hadadi competes in the men's discus throw final during the London 2012 Olympic Games at the Olympic Stadium August 7, 2012. Germany's Robert Harting won gold ahead of Hadadi and Estonia's Gerd Kanter who took bronze. REUTERS/Kai Pfaffenbach (BRITAIN - Tags: SPORT ATHLETICS OLYMPICS)

Iran's Ehsan Hadadi competes in the men's discus throw final during the London 2012 Olympic Games at the Olympic Stadium August 7, 2012. Germany's Robert Harting won gold ahead of Hadadi and Estonia's Gerd Kanter who took bronze. REUTERS/Kai Pfaffenbach (BRITAIN - Tags: SPORT ATHLETICS OLYMPICS)

Iran's Ehsan Hadadi competes in the men's discus throw final during the London 2012 Olympic Games at the Olympic Stadium August 7, 2012. Germany's Robert Harting won gold ahead of Hadadi and Estonia's Gerd Kanter who took bronze. REUTERS/Kai Pfaffenbach (BRITAIN - Tags: SPORT ATHLETICS OLYMPICS TPX IMAGES OF THE DAY)

Germany's Robert Harting competes in the men's discus throw final during the London 2012 Olympic Games at the Olympic Stadium August 7, 2012. Harting won gold ahead of Iran's Ehsan Hadadi who took silver and Estonia's Gerd Kanter who won bronze. REUTERS/Kai Pfaffenbach (BRITAIN - Tags: SPORT ATHLETICS OLYMPICS)

Germany's Robert Harting competes in the men's discus throw final during the London 2012 Olympic Games at the Olympic Stadium August 7, 2012. Harting won gold ahead of Iran's Ehsan Hadadi who took silver and Estonia's Gerd Kanter who won bronze. REUTERS/Kai Pfaffenbach (BRITAIN - Tags: SPORT ATHLETICS OLYMPICS)

Germany's Robert Harting competes in the men's discus throw final during the London 2012 Olympic Games at the Olympic Stadium August 7, 2012. Harting won gold ahead of Iran's Ehsan Hadadi who took silver and Estonia's Gerd Kanter who won bronze. REUTERS/Kai Pfaffenbach (BRITAIN - Tags: SPORT ATHLETICS OLYMPICS)

Germany's Robert Harting jumps over a hurdle as he celebrates winning the men's discus throw final during the London 2012 Olympic Games at the Olympic Stadium August 7, 2012. Harting won gold ahead of Iran's Ehsan Hadadi who took silver and Estonia's Gerd Kanter who won bronze. REUTERS/Eddie Keogh (BRITAIN - Tags: SPORT ATHLETICS OLYMPICS TPX IMAGES OF THE DAY)

Iran's Ehsan Hadadi celebrates with his national flag after winning silver in the men's discus throw final during the London 2012 Olympic Games at the Olympic Stadium August 7, 2012. Germany's Robert Harting won gold ahead of Hadadi and Estonia's Gerd Kanter who took bronze. REUTERS/Kai Pfaffenbach (BRITAIN - Tags: SPORT ATHLETICS OLYMPICS)

Iran's Ehsan Hadadi celebrates with his national flag after winning silver in the men's discus throw final during the London 2012 Olympic Games at the Olympic Stadium August 7, 2012. Germany's Robert Harting won gold ahead of Hadadi and Estonia's Gerd Kanter who took bronze. REUTERS/Kai Pfaffenbach (BRITAIN - Tags: SPORT ATHLETICS OLYMPICS TPX IMAGES OF THE DAY)

Germany's Robert Harting jumps over a hurdle as he celebrates winning the men's discus throw final during the London 2012 Olympic Games at the Olympic Stadium August 7, 2012. Harting won gold ahead of Iran's Ehsan Hadadi who took silver and Estonia's Gerd Kanter who won bronze. REUTERS/Eddie Keogh (BRITAIN - Tags: SPORT ATHLETICS OLYMPICS)

Germany's Robert Harting jumps over a hurdle as he celebrates winning the men's discus throw final during the London 2012 Olympic Games at the Olympic Stadium August 7, 2012. Harting won gold ahead of Iran's Ehsan Hadadi who took silver and Estonia's Gerd Kanter who won bronze. REUTERS/Eddie Keogh (BRITAIN - Tags: SPORT ATHLETICS OLYMPICS TPX IMAGES OF THE DAY)

Germany's Robert Harting is surrounded by photographers as he celebrates after winning the men's discus throw final during the London 2012 Olympic Games at the Olympic Stadium August 7, 2012. Harting won gold ahead of Iran's Ehsan Hadadi who took silver and Estonia's Gerd Kanter who won bronze. REUTERS/Dylan Martinez (BRITAIN - Tags: SPORT ATHLETICS OLYMPICS)

Germany's Robert Harting celebrates with his national flag after winning the men's discus throw final during the London 2012 Olympic Games at the Olympic Stadium August 7, 2012. Harting won gold ahead of Iran's Ehsan Hadadi who took silver and Estonia's Gerd Kanter who won bronze. REUTERS/Kai Pfaffenbach (BRITAIN - Tags: SPORT ATHLETICS OLYMPICS)

Germany's Robert Harting rips his shirt as he celebrates winning the men's discus throw final during the London 2012 Olympic Games at the Olympic Stadium August 7, 2012. Harting won gold ahead of Iran's Ehsan Hadadi who took silver and Estonia's Gerd Kanter who won bronze. REUTERS/Kai Pfaffenbach (BRITAIN - Tags: SPORT ATHLETICS OLYMPICS)

Germany's Robert Harting rips his shirt as he celebrates winning the men's discus throw final during the London 2012 Olympic Games at the Olympic Stadium August 7, 2012. Harting won gold ahead of Iran's Ehsan Hadadi who took silver and Estonia's Gerd Kanter who won bronze. REUTERS/Kai Pfaffenbach (BRITAIN - Tags: SPORT ATHLETICS OLYMPICS)