Spring has arrived, everything is reviving, flowers are blooming, and the quarter-finals of the three-level European competitions have all been determined. Starting from the quarter-finals, it's all about intense clashes between top teams, with everyone eager to compete for the championship. How many teams from each of the top five leagues have advanced to the quarter-finals of the three-level Champions League this season?

Distribution of Top 5 Leagues in Champions League Quarter-finals:

Distribution of Top 5 Leagues in Europa League Quarter-finals:

Distribution of Top 5 Leagues in Europa Conference League Quarter-finals:
One team each from the top five leagues: Crystal Palace (Premier League), Rayo Vallecano (La Liga), Fiorentina (Serie A), Mainz (Bundesliga), Strasbourg (Ligue 1).
Summary of teams from the top five leagues advancing to the quarter-finals of the three-level European competitions: La Liga (6 teams), Premier League (5 teams), Bundesliga (3 teams), Ligue 1 (2 teams), Serie A (2 teams).
European competition points are crucial for Champions League spots in the top five leagues. The top two leagues can secure five Champions League spots. Currently, the Premier League and La Liga are leading significantly and are essentially locked in for five Champions League spots next season.