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RIO DE JANEIRO, BRAZIL - AUGUST 19: Fu Haifeng and Zhang Nan of China compete against Goh V Shem and Tan Wee Kiong of Malaysia in the Mens Doubles Gold Medal on Day 14 of the 2016 Rio Olympics at Riocentro - Pavilion 4 on August 19, 2016 in Rio de Janeiro, Brazil. (Photo by Stringer/Anadolu Agency/Getty Images)

RIO DE JANEIRO, BRAZIL - AUGUST 19: Fu Haifeng and Zhang Nan of China compete against Goh V Shem and Tan Wee Kiong of Malaysia in the Mens Doubles Gold Medal on Day 14 of the 2016 Rio Olympics at Riocentro - Pavilion 4 on August 19, 2016 in Rio de Janeiro, Brazil. (Photo by Stringer/Anadolu Agency/Getty Images)

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China's Zhang Nan (R) and China's Fu Haifeng react after winning against Malaysia's V Shem Goh and Malaysia's Wee Kiong Tan during their men's doubles Gold Medal badminton match at the Riocentro stadium in Rio de Janeiro on August 19, 2016, for the Rio 2016 Olympic Games. China's Zhang Nan and China's Fu Haifeng won the match. / AFP / GOH Chai Hin (Photo credit should read GOH CHAI HIN/AFP/Getty Images)

China's Zhang Nan (R) and China's Fu Haifeng react after winning against Malaysia's V Shem Goh and Malaysia's Wee Kiong Tan during their men's doubles Gold Medal badminton match at the Riocentro stadium in Rio de Janeiro on August 19, 2016, for the Rio 2016 Olympic Games.
China's Zhang Nan and China's Fu Haifeng won the match. / AFP / GOH Chai Hin        (Photo credit should read GOH CHAI HIN/AFP/Getty Images)

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RIO DE JANEIRO, BRAZIL - AUGUST 19: Gold medalists Haifeng Fu and Nan Zhang of China stand on the podium during the medal ceremony after the Men's Badminton Doubles competition on Day 14 of the Rio 2016 Olympic Games at Riocentro - Pavilion 4 on August 19, 2016 in Rio de Janeiro, Brazil. (Photo by Clive Brunskill/Getty Images)

RIO DE JANEIRO, BRAZIL - AUGUST 19:  Gold medalists Haifeng Fu and Nan Zhang of China stand on the podium during the medal ceremony after the Men's Badminton Doubles competition on Day 14 of the Rio 2016 Olympic Games at Riocentro - Pavilion 4 on August 19, 2016 in Rio de Janeiro, Brazil.  (Photo by Clive Brunskill/Getty Images)

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Gold medalists China's Zhang Nan and China's Fu Haifeng (C), Silver medalists Malaysia's V Shem Goh and Malaysia's Wee Kiong Tan, (L) and Bronze medalists Great Britain's Marcus Ellis and Great Britain's Chris Langridge stand with their medals on the podium following the men's doubles Gold Medal badminton match at the Riocentro stadium in Rio de Janeiro on August 19, 2016, for the Rio 2016 Olympic Games. / AFP / GOH Chai Hin (Photo credit should read GOH CHAI HIN/AFP/Getty Images)

Gold medalists China's Zhang Nan and China's Fu Haifeng (C), Silver medalists Malaysia's V Shem Goh and Malaysia's Wee Kiong Tan, (L) and Bronze medalists Great Britain's Marcus Ellis and Great Britain's Chris Langridge stand with their medals on the podium following the men's doubles Gold Medal badminton match at the Riocentro stadium in Rio de Janeiro on August 19, 2016, for the Rio 2016 Olympic Games. / AFP / GOH Chai Hin        (Photo credit should read GOH CHAI HIN/AFP/Getty Images)