DORTMUND, GERMANY - MARCH 08: Fans of Borussia Dortmund show their support with flags, banners and signs prior to the UEFA Europa League Round of 16 first leg match between Borussia Dortmund and SL Benfica at Signal Iduna Park on March 8, 2017 in Dortmund, Germany. (Photo by Lars Baron/Bongarts/Getty Images)
DORTMUND, GERMANY - MARCH 08: Fans of Borussia Dortmund show their support with flags, banners and signs prior to the UEFA Europa League Round of 16 first leg match between Borussia Dortmund and SL Benfica at Signal Iduna Park on March 8, 2017 in Dortmund, Germany. (Photo by Lars Baron/Bongarts/Getty Images)
DORTMUND, GERMANY - MARCH 08: Fans of Borussia Dortmund show their support with flags, banners and signs prior to the UEFA Europa League Round of 16 first leg match between Borussia Dortmund and SL Benfica at Signal Iduna Park on March 8, 2017 in Dortmund, Germany. (Photo by Lars Baron/Bongarts/Getty Images)
DORTMUND, GERMANY - MARCH 08: Fans of Borussia Dortmund show their support with flags, banners and signs prior to the UEFA Europa League Round of 16 first leg match between Borussia Dortmund and SL Benfica at Signal Iduna Park on March 8, 2017 in Dortmund, Germany. (Photo by Lars Baron/Bongarts/Getty Images)
DORTMUND, GERMANY - MARCH 08: Fans of Borussia Dortmund show their support with flags, banners and signs prior to the UEFA Europa League Round of 16 first leg match between Borussia Dortmund and SL Benfica at Signal Iduna Park on March 8, 2017 in Dortmund, Germany. (Photo by Lars Baron/Bongarts/Getty Images)
