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Fred Kerley (R) of the United States hands over the baton to his teammate Michael Cherry (C) during the men's 4X400m relay at the 2019 IAAF World Athletics Championships in Doha, Qatar, Oct. 6, 2019. (Xinhua/Li Ming)
Fred Kerley (R) of the United States hands over the baton to his teammate Michael Cherry (C) during the men's 4X400m relay at the 2019 IAAF World Athletics Championships in Doha, Qatar, Oct. 6, 2019. (Xinhua/Li Ming)