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Dortmund's Christian Pulisic (R) breaks through during a German Bundesliga match between Hannover 96 and Borussia Dortmund, in Hannover, Germany, on Oct. 28, 2017. Dortmund lost 2-4. (Xinhua/Shan Yuqi)

Dortmund's Christian Pulisic (R) breaks through during a German Bundesliga match between Hannover 96 and Borussia Dortmund, in Hannover, Germany, on Oct. 28, 2017. Dortmund lost 2-4. (Xinhua/Shan Yuqi)