#4 Diego Simeone
After Sampaoli, another manager who will walk into the list is Atletico Madrid manager Diego Simeone. The 46-year-old is likely to leave the Vicente Calderon at the end of this season and if he does that, he will be leaving as a legend.
Madrid were always on the football map thanks to the white half of the city, but Simeone gave Atletico their own identity in world football. Thanks to the sheer tactical brilliance of Simeone, Atletico are now one of the biggest clubs in European football.
Competing against the likes of Real Madrid and Barcelona, the Argentine won the La Liga title in 2013-14 with Atletico. He also took them to the final of the Champions League twice but lost on both occasions.
When you have all the resources, it is easy to be successful but Simeone has managed to become a world-class manager without much at his disposal. Few might not like his physical approach to the game but believe me, the Argentine is one of the very best in the world tactically.
Simeone mostly uses a 4-4-2 formation but he often tweaks his tactics during the game. He employs a fluid system where every player contributes in every department. Defensively, Simeone’s sides are top-notch without ‘parking the bus’ which makes his approach to the game all the more attractive.