2016 Rio Olympics - Rugby - Men's Bronze Medal Match - Japan v South Africa - Deodoro Stadium - Rio de Janeiro, Brazil - 11/08/2016. Yusaku Kuwazuru (JPN) of Japan lunges to score a try. REUTERS/Alessandro Bianchi (BRAZIL - Tags: SPORT OLYMPICS SPORT RUGBY) FOR EDITORIAL USE ONLY. NOT FOR SALE FOR MARKETING OR ADVERTISING CAMPAIGNS.
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2016 Rio Olympics - Rugby - Men's Bronze Medal Match - Japan v South Africa - Deodoro Stadium - Rio de Janeiro, Brazil - 11/08/2016. Yusaku Kuwazuru (JPN) of Japan is tackled by Albertus Smith (RSA) of South Africa. REUTERS/Alessandro Bianchi (BRAZIL - Tags: SPORT OLYMPICS SPORT RUGBY) FOR EDITORIAL USE ONLY. NOT FOR SALE FOR MARKETING OR ADVERTISING CAMPAIGNS.
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2016 Rio Olympics - Rugby - Preliminary - Men's Pool C New Zealand v Japan - Deodoro Stadium - Rio de Janeiro, Brazil - 09/08/2016. Lewis Ormond (NZL) of New Zealand is tackled by Yusaku Kuwazuru (JPN) of Japan. REUTERS/Alessandro Bianchi (BRAZIL - Tags: SPORT OLYMPICS SPORT RUGBY) FOR EDITORIAL USE ONLY. NOT FOR SALE FOR MARKETING OR ADVERTISING CAMPAIGNS.
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Japan's Yusaku Kuwazuru runs to score a try during their qualifier final match against Italy at the Hong Kong Sevens rugby tournament in Hong Kong March 30, 2014. REUTERS/Bobby Yip (CHINA - Tags: SPORT RUGBY) 

CAPTION CORRECTION - CORRECTING NAME OF PLAYER IN CENTRE
Japan's (L-R) Yusaku Kuwazuru, Daisuke Natsui and Manase Folau celebrate after their team beat Hong Kong in the men's rugby sevens gold medal match of the East Asian Games in Hong Kong December 6, 2009. REUTERS/Bobby Yip (CHINA SPORT RUGBY) 

Japan's (L-R) Yusaku Kuwazuru, Yasutaka Sasakura and Manase Folau celebrate after their team beat Hong Kong in the men's rugby sevens gold medal match of the East Asian Games in Hong Kong December 6, 2009. REUTERS/Bobby Yip (CHINA SPORT RUGBY) 

South Africa's Mpho Mbiyozo (front) and Japan's Yusaku Kuwazuru look on during the Hong Kong Sevens rugby tournament in Hong Kong March 28, 2008. REUTERS/Victor Fraile (CHINA) 

South Africa's Frankie Horne (L) and Japan's Yusaku Kuwazuru fight for the ball during the Hong Kong Sevens rugby tournament in Hong Kong March 28, 2008. REUTERS/Victor Fraile (CHINA) 

Japan's Yusaku Kuwazuru (R) tackles China's Lu Zhuan during their match at the Hong Kong Sevens rugby tournament in Hong Kong March 31, 2007. REUTERS/Paul Yeung (CHINA) 

South Korea's Yang Young-hun (L) is tackled by Japan's Yusaku Kuwazuru (2nd L) during the men's rugby gold medal match at the Asian Games in Doha December 11, 2006. Japan won the gold medal. REUTERS/Bobby Yip (QATAR)