In the ongoing UEFA Nations League, Lille is one of the teams that needs to secure their place in the top two spots of Group B to have a chance at qualifying for the Euro 2021 tournament. The team has been putting together a strong defensive strategy that has been working well so far.

The first thing that stands out about Lille's defensive strategies is their commitment to defending deep and compact. This means that they don't give up too many chances from set pieces or crosses, which can be dangerous against stronger opponents. Instead, they focus on keeping the ball in their half and using their defense to stop any attacks from the other side.

Another important aspect of Lille's defensive strategy is their use of man-to-man marking. This means that each player on the team will mark an opponent as they move down the pitch, making it difficult for them to get into position to score goals. This approach helps to prevent counter-attacks and allows the team to maintain possession of the ball.

Furthermore, Lille's defensive strategy includes some tactical changes throughout the game. They adjust their formation depending on the opposition and the match situation, ensuring that they always have the best possible defense in place. This flexibility allows them to adapt to different playing styles and make adjustments when needed.

Overall, Lille's defensive strategy is effective and shows great potential to help them qualify for Euro 2021. With their commitment to defense and their ability to adapt to different situations, they have a good chance of securing their spot in the top two spots of Group B.