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HONG KONG - JULY 29: (EXCLUSIVE COVERAGE) Christian Pulisic and Felix Passlack are ready for takeoff back to Germany after Borussia Dortmund's Asia Tour 2016 on July 29, 2016 in Hong Kong. (Photo by Alexandre Simoes/Borussia Dortmund via Getty Images)

HONG KONG - JULY 29: (EXCLUSIVE COVERAGE) Christian Pulisic and Felix Passlack are ready for takeoff back to Germany after  Borussia Dortmund's  Asia Tour 2016 on July 29, 2016 in Hong Kong.  (Photo by Alexandre Simoes/Borussia Dortmund via Getty Images)