In recent years, the Spanish football league system has undergone significant changes, including the introduction of new regulations and the implementation of a new tactical structure called "Espanyol." The Espanyol system emphasizes the importance of maintaining a high level of defensive stability while also allowing for flexibility in the formation that best suits the team's strengths and weaknesses.

One of the key features of the Espanyol system is its emphasis on the use of five defenders per squad. This approach not only helps to create a more cohesive defense but also allows the team to better exploit their opponents' weaknesses. By having five defenders, each with different positions and abilities, the Espanyol team can make quick adjustments to their defensive strategy based on the situation at hand.

Another aspect of the Espanyol system that sets it apart from other systems is its focus on positional play. Each player plays a specific position within the team, which helps to create a balanced and effective game plan. Additionally, the Espanyol system encourages players to be physically fit and well-conditioned, as this can help to improve their ability to defend and recover quickly when needed.

Despite these benefits, there have been concerns about the potential impact of the Espanyol system on the defensive stability of the team. Some critics argue that the increased reliance on five defenders may strain the defensive line and lead to injuries or fatigue. However, others believe that the system provides an opportunity to develop young talent and to build a stronger defensive infrastructure.

Overall, the Espanyol system offers a valuable addition to the defensive toolbox for Spanish teams looking to improve their defensive stability. While some critics may question its effectiveness, the system remains a valuable tool for improving the defensive performance of the team.