GELSENKIRCHEN, GERMANY - APRIL 01:  Referee, Felix Zwayer is shown a red card by the Schalke mascot, Erwin after the Bundesliga match between FC Schalke 04 and Borussia Dortmund at Veltins-Arena on April 1, 2017 in Gelsenkirchen, Germany.  (Photo by Dean Mouhtaropoulos/Bongarts/Getty Images)