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TOPSHOT - New Zealand's Sonny Bill Williams (2nd L) is helped from the field in the mens rugby sevens match between New Zealand and Japan during the Rio 2016 Olympic Games at Deodoro Stadium in Rio de Janeiro on August 9, 2016. / AFP / Pascal GUYOT (Photo credit should read PASCAL GUYOT/AFP/Getty Images)

TOPSHOT - New Zealand's Sonny Bill Williams (2nd L) is helped from the field in the mens rugby sevens match between New Zealand and Japan during the Rio 2016 Olympic Games at Deodoro Stadium in Rio de Janeiro on August 9, 2016. / AFP / Pascal GUYOT        (Photo credit should read PASCAL GUYOT/AFP/Getty Images)