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TORONTO, ON - JULY 22: Canada's Andre De Grasse won gold in the 2015 Pan Am men's 100m final on July 22, 2015. Andre De Grasse, of Canada, holds a flag after he wins the gold medal in the men's 100m final during the athletics competition at the 2015 Pan Am Games. (Lucas Oleniuk/Toronto Star via Getty Images)

TORONTO, ON - JULY 22: Canada's Andre De Grasse won gold in the 2015 Pan Am men's 100m final on July 22, 2015. Andre De Grasse, of Canada, holds a flag after he wins the gold medal in the men's 100m final during the athletics competition at the 2015 Pan Am Games.        (Lucas Oleniuk/Toronto Star via Getty Images)