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South Africa's Cheslin Kolbe (L) is tackled in the mens rugby sevens bronze medal match between Japan and South Africa during the Rio 2016 Olympic Games at Deodoro Stadium in Rio de Janeiro on August 11, 2016. / AFP / PHILIPPE LOPEZ (Photo credit should read PHILIPPE LOPEZ/AFP/Getty Images)

South Africa's Cheslin Kolbe (L) is tackled in the mens rugby sevens bronze medal match between Japan and South Africa during the Rio 2016 Olympic Games at Deodoro Stadium in Rio de Janeiro on August 11, 2016. / AFP / PHILIPPE LOPEZ        (Photo credit should read PHILIPPE LOPEZ/AFP/Getty Images)