David Silva has been one of the most influential players in La Liga this season, and his key passes have been crucial to Real Sociedad's defensive strength. In a match against Espanyol, Silva made 12 key passes, which is the highest number of any player in the league so far this season.

Silva's key passes have helped Real Sociedad to defend more effectively than they did in previous seasons. The team has conceded just three goals in their last six matches, and their defense is ranked second in the league in terms of goals allowed per game.

The key pass is a type of pass that allows a player to control possession and create space for himself or others on the field. Silva's ability to make these passes has given Real Sociedad the opportunity to counterattack and take advantage of their opponents' mistakes.

In addition to his key passes, Silva also plays a key role as a playmaker for the team. He often orchestrates进攻和防守战术, creating opportunities for his teammates and providing support for his defenders.

Overall, David Silva's key passes have been a major factor in Real Sociedad's strong defensive performance this season. His influence on the pitch has helped the team to stay competitive in La Liga and could be a key factor in their title hopes.