BERLIN, GERMANY - MAY 19: Fans of Eintracht Frankfurt battle using firework during the DFB Cup final between Bayern Muenchen and Eintracht Frankfurt at Olympiastadion on May 19, 2018 in Berlin, Germany. (Photo by Maja Hitij/Bongarts/Getty Images)
BERLIN, GERMANY - MAY 19: Fans of Eintracht Frankfurt battle using firework during the DFB Cup final between Bayern Muenchen and Eintracht Frankfurt at Olympiastadion on May 19, 2018 in Berlin, Germany. (Photo by Maja Hitij/Bongarts/Getty Images)