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Chicago Fire's Nemanja Nikovic celebrates scoring during the 2019 Major League Soccer (MLS) match between Houston Dynamo and Chicago Fire in Houston on Aug. 3, 2019. (Xinhua/Steven Song)

Chicago Fire's Nemanja Nikovic celebrates scoring during the 2019 Major League Soccer (MLS) match between Houston Dynamo and Chicago Fire in Houston on Aug. 3, 2019. (Xinhua/Steven Song)