CADIZ, SPAIN - JANUARY 07: Marcel Schmelzer and goalkeeper Roman Weidenfeller of Borussia Dortmund infront of the Rock of Gibraltar - Upper Rock - during the friendly match Borussia Dortmund v PSV Eindhoven - Friendly Match at Estadio Municipal La Linea de la Concepcion on January 7, 2017 in Cadiz, Spain. (Photo by Alexandre Simoes/Borussia Dortmund/Getty Images)