DORTMUND, GERMANY - DECEMBER 17: Kevin Grosskreutz of Dortmund celebrates Pierre-Emerick Aubameyang's goal during the Bundesliga match between Borussia Dortmund and VfL Wolfsburg at Signal Iduna Park on DECEMBER 17, 2014 in Dortmund, Germany. (Photo by Alexandre Simoes/Borussia Dortmund via Getty Images)
