The Lille Football Club, one of France's top football clubs, has announced that they will switch to a new formation system known as the 5-4-1 formation, which is designed to enhance their defensive stability.

Previously, the club was using a traditional 4-4-2 formation, but with the introduction of this new system, they have been able to improve their defensive stability significantly. The new formation system involves a four-man defense and three men on the attack, with the goal being to increase the amount of space between the defense and the attacking line.

The change in formation has had a positive impact on the team's performance, with the team now having more space to move forward and create scoring opportunities. The new formation also allows for better communication between the defenders and midfielders, making it easier for them to anticipate对方对手的进攻。

However, there are some concerns about the effectiveness of the new system. Some players have expressed concern about the lack of physicality in the new formation, while others have criticized the decision to use a 4-4-2 instead of a traditional 4-4-2. However, the club has stated that they will continue to experiment with different formations and see how they work best for them.

Overall, the new 5-4-1 formation is a positive step towards improving the defensive stability of the Lille Football Club. With the right approach, the club can potentially become even stronger and more competitive.