ESSEN, GERMANY - JANUARY 19: Pierre-Emerick Aubameyang celebrates after scoring his team's 1st goal ofÊBorussia Dortmund with Ilkay Guendogan during the friendly match between Borussia Dortmund v Sparta Prague on January 19, 2016 in Essen, Germany. (Photo by Alexandre Simoes/Borussia Dortmund via Getty Images)
