Many people will tell you that the central defensive midfield role is the most important for a successful MLS team. That’s probably because the defensive midfield role is the most important position in soccer, no matter the league. If you identify some of the best defensive midfielders in the world, it comes as no surprise that you find them on the best teams. Sergio Busquets at Barcelona. N’Golo Kante at Leicester City last season when they won the Premier League, and now at Chelsea who’s currently a heavy favorite to lift the league trophy.