DORTMUND, GERMANY - JULY 07: Pierre-Emerick Aubameyang and Marc Bartra of Dortmund during a training session at BVB trainings center on July 7, 2017 in Dortmund (Photo by Alexandre Simoes/Borussia Dortmund via Getty Images)
DORTMUND, GERMANY - JULY 07: Pierre-Emerick Aubameyang and Marc Bartra of Dortmund during a training session at BVB trainings center on July 7, 2017 in Dortmund (Photo by Alexandre Simoes/Borussia Dortmund via Getty Images)