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DOHA, QATAR - SEPTEMBER 28: Justin Gatlin of the United States celebrates winning silver in the Men's 100 Metres final during day two of 17th IAAF World Athletics Championships Doha 2019 at Khalifa International Stadium on September 28, 2019 in Doha, Qatar. (Photo by Patrick Smith/Getty Images)

DOHA, QATAR - SEPTEMBER 28: Justin Gatlin of the United States celebrates winning silver in the Men's 100 Metres final during day two of 17th IAAF World Athletics Championships Doha 2019 at Khalifa International Stadium on September 28, 2019 in Doha, Qatar. (Photo by Patrick Smith/Getty Images)