DORTMUND, GERMANY - FEBRUARY 04: Supporters of Dortmund display banners prior to the Bundesliga match between Borussia Dortmund and RB Leipzig at Signal Iduna Park on February 4, 2017 in Dortmund, Germany. (Photo by Lars Baron/Bongarts/Getty Images)
DORTMUND, GERMANY - FEBRUARY 04: Supporters of Dortmund display banners prior to the Bundesliga match between Borussia Dortmund and RB Leipzig at Signal Iduna Park on February 4, 2017 in Dortmund, Germany. (Photo by Lars Baron/Bongarts/Getty Images)