HEIDENHEIM, GERMANY - DECEMBER 20: Fans of Eintracht Frankfurt burn flares / firework during the DFB Cup match between 1. FC Heidenheim and Eintracht Frankfurt at Voith-Arena on December 20, 2017 in Heidenheim, Germany. (Photo by Alexander Scheuber/Bongarts/Getty Images)
HEIDENHEIM, GERMANY - DECEMBER 20: Fans of Eintracht Frankfurt burn flares / firework during the DFB Cup match between 1. FC Heidenheim and Eintracht Frankfurt at Voith-Arena on December 20, 2017 in Heidenheim, Germany. (Photo by Alexander Scheuber/Bongarts/Getty Images)
