In recent years, Lille has undergone significant changes in their tactical approach to football. The club, known for their attacking prowess and possession-based play, has shifted towards a more defensive-oriented strategy. This shift was evident when the team switched from their traditional 5-4-1 formation to a 4-2-4 system.

The 5-4-1 formation is characterized by a high defensive press, with the midfielders playing deep to support the backline. This setup allows for quick transitions between defense and attack, but it can be vulnerable to counterattacks. In contrast, the 4-2-4 system emphasizes stability and consistency in defending. With three central defenders and two wing-backs, the team can cover a larger area and provide support to the centerbacks, who have more space to move around and make decisions.

One of the key benefits of the 4-2-4 system is that it provides greater defensive solidity. By having three central defenders, Lille can create a wall of players behind the ball, making it harder for opponents to break through. Additionally, the two wing-backs can help prevent through-balls and add width to the defense, providing additional protection against counterattacks.

Another advantage of the 4-2-4 system is its ability to adapt to different situations. With three central defenders, the team can maintain a higher defensive line, which can be useful in games where the opposition prefers to attack quickly. Meanwhile, the two wing-backs can push up and join the attack if necessary, providing a dynamic midfield presence.

Overall, the switch to the 4-2-4 system has been a success for Lille. It has improved the team's defensive stability and allowed them to play at a higher tempo while maintaining a strong pressing game. As the season progresses, it will be interesting to see how this new system continues to evolve and develop under the guidance of coach Christophe Galtier.