BERLIN, GERMANY - MARCH 31: Referee Sebastian Brand shows the yellow card to Maximilian Mittelstaedt of Berlin before a penalty for Hoffenheim during the Bundesliga match between Hertha BSC and TSG 1899 Hoffenheim at Olympiastadion on March 31, 2017 in Berlin, Germany. (Photo by Maja Hitij/Bongarts/Getty Images)
