كتب : Hatem Maher
"It is a clash between two great teams, but it is all about three points," Carboni was quoted as saying by El Mundo Deportivo on Friday.
Valencia will be looking to maintain their 100% record in the league when they visit Barcelona on Sunday.
"We are confident as usual that we are capable of winning the match," the former Valencia defender added.
Barcelona, Valencia and Sevilla have all won their first three games of the new season.