Barca already know the referee will whistle at Villarreal

11th designations. 

First day: Zaragoza - Sevilla: Cesar Muniz Fernandez (Asturias C.) 
Valencia - Getafe: Carlos Clos Gómez (C. Aragon) 
Barcelona - Villarreal: Carlos Delgado Ferreiro (C. Basque) 
Athletic - Almería: Carlos Velasco Carballo (C. Madrid) 
Sporting - Real Madrid: Javier Turienzo Alvarez (C.Cast-Leon) 
At.Madrid SAD - Osasuna: José Luis González Glez (C.Cast-Leon) 
Hercules - Real Sociedad: Alberto Undiano Mallenco (C. Navarro) 
Racing - Espanyol: Rafael Ramirez Dominguez (C. Andaluz) 
Malaga - Levante: Ignacio Iglesias (C. Gallego), 
Mallorca - Deportivo: José A. Teixeira Vitienes (C. Cantabria)