The Blaugrana tactician stuck by his decision to rest the team’s superstar player despite their defeat in the cup Barcelona coach Ernesto Valverde insisted he had no regrets over his decision not to play Lionel Messi despite his side’s 2-0 Copa del Rey loss at Sevilla. Messi was rested for the first leg of the quarter-final on Wednesday at Sevilla’s Estadio Ramón Sánchez Pizjuán with goals from Pablo Sarabia and Wissam Ben Yedder putting the home side on top in the tie. In…