DORTMUND, GERMANY - AUGUST 27: Pierre Emerick Aubameyang of Dortmund celebrates after scoring his teams first goal during the Bundesliga match between Borussia Dortmund and 1. FSV Mainz 05 at Signal Iduna Park on August 27, 2016 in Dortmund, Germany. (Photo by Lars Baron/Bongarts/Getty Images)

DORTMUND, GERMANY - AUGUST 27:  Pierre Emerick Aubameyang of Dortmund celebrates after scoring his teams first goal during the Bundesliga match between Borussia Dortmund and 1. FSV Mainz 05 at Signal Iduna Park on August 27, 2016 in Dortmund, Germany.  (Photo by Lars Baron/Bongarts/Getty Images)