2016 Rio Olympics - Athletics - Final - Men's 100m Final - Olympic Stadium - Rio de Janeiro, Brazil - 14/08/2016. Usain Bolt (JAM) of Jamaica celebrates winning the gold. REUTERS/Dominic Ebenbichler

2016 Rio Olympics - Athletics - Final - Men's 100m Final - Olympic Stadium - Rio de Janeiro, Brazil - 14/08/2016. Usain Bolt (JAM) of Jamaica carries his shoes in his hands after winning the gold medal. REUTERS/Phil Noble

2016 Rio Olympics - Athletics - Final - Men's 100m Final - Olympic Stadium - Rio de Janeiro, Brazil - 14/08/2016. Usain Bolt (JAM) of Jamaica gestures as he runs toward the finish line to win the gold. REUTERS/Murad Sezer

2016 Rio Olympics - Athletics - Final - Men's 100m Final - Olympic Stadium - Rio de Janeiro, Brazil - 14/08/2016. Usain Bolt (JAM) of Jamaica celebrates winning the gold medal. REUTERS/Lucy Nicholson

2016 Rio Olympics - Athletics - Final - Men's 100m Final - Olympic Stadium - Rio de Janeiro, Brazil - 14/08/2016. Usain Bolt (JAM) of Jamaica runs to win the gold, ahead of Justin Gatlin (USA) of USA (silver) and Andre De Grasse (CAN) of Canada (bronze). REUTERS/Kai Pfaffenbach

2016 Rio Olympics - Athletics - Final - Men's 100m Final - Olympic Stadium - Rio de Janeiro, Brazil 14/08/2016. Usain Bolt (JAM) of Jamaica celebrates as he crosses the finish line to win the race in this photofinish picture. OMEGA/Handout via REUTERS

2016 Rio Olympics - Athletics - Final - Men's 100m Final - Olympic Stadium - Rio de Janeiro, Brazil - 14/08/2016. Usain Bolt (JAM) of Jamaica wins the gold medal in the men's 100m final. REUTERS/Carlos Barria

Maria Sharapova of Russia speaks during a news conference at the Brisbane International tennis tournament in Brisbane, Australia on January 1, 2013. REUTERS/Daniel Munoz/File Photo