GELSENKIRCHEN, GERMANY - FEBRUARY 20: Referee Carlos del Cerro Grande shows the yellow red card to Nicolas Otamendi of Manchester City during the UEFA Champions League Round of 16 First Leg match between FC Schalke 04 and Manchester City at Veltins-Arena on February 20, 2019 in Gelsenkirchen, Germany. (Photo by Stuart Franklin/Bongarts/Getty Images)
GELSENKIRCHEN, GERMANY - FEBRUARY 20: Players argue with referee Carlos del Cerro Grande during the UEFA Champions League Round of 16 First Leg match between FC Schalke 04 and Manchester City at Veltins-Arena on February 20, 2019 in Gelsenkirchen, Germany. (Photo by Maja Hitij/Bongarts/Getty Images)
BARCELONA, SPAIN - MARCH 30: referee Del Cerro Grande during the La Liga Santander match between FC Barcelona v Espanyol at the Camp Nou on March 30, 2019 in Barcelona Spain (Photo by Jeroen Meuwsen/Soccrates/Getty Images)
