![Referee Cesar Muniz (R) shows the yellow card to Barcelona's Gerard Pique after jumping for the ball with Real Madrid's Pepe (not pictured), during their Spanish King's Cup quarter-final first leg "El Referee Cesar Muniz (R) shows the yellow card to Barcelona's Gerard Pique after jumping for the ball with Real Madrid's Pepe (not pictured), during their Spanish King's Cup quarter-final first leg "El](https://c8.alamy.com/comp/2CX73EE/referee-cesar-muniz-r-shows-the-yellow-card-to-barcelonas-gerard-pique-after-jumping-for-the-ball-with-real-madrids-pepe-not-pictured-during-their-spanish-kings-cup-quarter-final-first-leg-el-clasico-soccer-match-at-the-santiago-bernabeu-stadium-in-madrid-january-18-2012-reuterssergio-perez-spain-tags-sport-soccer-2CX73EE.jpg)
Referee Cesar Muniz (R) shows the yellow card to Barcelona's Gerard Pique after jumping for the ball with Real Madrid's Pepe (not pictured), during their Spanish King's Cup quarter-final first leg "El
![César SOTO-VALERO | Ph.D. Student | Master of Science | KTH Royal Institute of Technology, Stockholm | KTH | Department of Software and Computer Systems | Research profile César SOTO-VALERO | Ph.D. Student | Master of Science | KTH Royal Institute of Technology, Stockholm | KTH | Department of Software and Computer Systems | Research profile](https://i1.rgstatic.net/ii/profile.image/1036511600455680-1624135031970_Q512/Cesar-Soto-Valero.jpg)
César SOTO-VALERO | Ph.D. Student | Master of Science | KTH Royal Institute of Technology, Stockholm | KTH | Department of Software and Computer Systems | Research profile
![ELX, SPAIN - MARCH 6: Edgar Badia of Elche CF during the La Liga Santander match between Elche CF and Sevilla FC at Estadio Manuel Mart'nez Valero on Stock Photo - Alamy ELX, SPAIN - MARCH 6: Edgar Badia of Elche CF during the La Liga Santander match between Elche CF and Sevilla FC at Estadio Manuel Mart'nez Valero on Stock Photo - Alamy](https://c8.alamy.com/comp/2F0GH59/elx-spain-march-6-edgar-badia-of-elche-cf-during-the-la-liga-santander-match-between-elche-cf-and-sevilla-fc-at-estadio-manuel-martnez-valero-on-2F0GH59.jpg)
ELX, SPAIN - MARCH 6: Edgar Badia of Elche CF during the La Liga Santander match between Elche CF and Sevilla FC at Estadio Manuel Mart'nez Valero on Stock Photo - Alamy
![Spanish referee Cesar Muniz (L) shows a red card to Valencia's Aritz Aduriz (C) as Sevilla's Fernando Navarro points at him during their Spanish First Division soccer match at Ramon Sanchez Pizjuan Spanish referee Cesar Muniz (L) shows a red card to Valencia's Aritz Aduriz (C) as Sevilla's Fernando Navarro points at him during their Spanish First Division soccer match at Ramon Sanchez Pizjuan](https://c8.alamy.com/comp/2D0F6D8/spanish-referee-cesar-muniz-l-shows-a-red-card-to-valencias-aritz-aduriz-c-as-sevillas-fernando-navarro-points-at-him-during-their-spanish-first-division-soccer-match-at-ramon-sanchez-pizjuan-stadium-in-seville-september-24-2011-reutersmarcelo-del-pozo-spain-tags-sport-soccer-tpx-images-of-the-day-2D0F6D8.jpg)
Spanish referee Cesar Muniz (L) shows a red card to Valencia's Aritz Aduriz (C) as Sevilla's Fernando Navarro points at him during their Spanish First Division soccer match at Ramon Sanchez Pizjuan
![Referee Cesar Muniz (R) shows the yellow card to Barcelona's Carles Puyol during their Spanish King's Cup quarter-final first leg "El Clasico" soccer match against Real Madrid at the Santiago Bernabeu stadium Referee Cesar Muniz (R) shows the yellow card to Barcelona's Carles Puyol during their Spanish King's Cup quarter-final first leg "El Clasico" soccer match against Real Madrid at the Santiago Bernabeu stadium](https://c8.alamy.com/comp/2CX9KGN/referee-cesar-muniz-r-shows-the-yellow-card-to-barcelonas-carles-puyol-during-their-spanish-kings-cup-quarter-final-first-leg-el-clasico-soccer-match-against-real-madrid-at-the-santiago-bernabeu-stadium-in-madrid-january-18-2012-reutersfelix-ordonez-spain-tags-sport-soccer-2CX9KGN.jpg)
Referee Cesar Muniz (R) shows the yellow card to Barcelona's Carles Puyol during their Spanish King's Cup quarter-final first leg "El Clasico" soccer match against Real Madrid at the Santiago Bernabeu stadium
![Referee Cesar Muniz (R) shows the yellow card to Barcelona's Gerard Pique after jumping for the ball with Real Madrid's Pepe (not pictured), during their Spanish King's Cup quarter-final first leg "El Referee Cesar Muniz (R) shows the yellow card to Barcelona's Gerard Pique after jumping for the ball with Real Madrid's Pepe (not pictured), during their Spanish King's Cup quarter-final first leg "El](https://l450v.alamy.com/450v/2cy2jkc/elches-players-protest-as-referee-cesar-muniz-shows-a-yellow-card-to-ruben-perez-l-during-their-spanish-first-division-soccer-match-against-real-madrid-at-the-martinez-valero-stadium-in-elche-september-25-2013-reutersheino-kalis-spain-tags-sport-soccer-2cy2jkc.jpg)