GELSENKIRCHEN, GERMANY - APRIL 18: Referee Robert Hartmann shows the red card to Gelson Fernandes (L) of Frankfurt during the Bundesliga match between FC Schalke 04 and Eintracht Frankfurt at Veltins-Arena on April 18, 2018 in Gelsenkirchen, Germany. (Photo by Alex Grimm/Bongarts/Getty Images)
