#2 Sergio Busquets
Sergio Busquets is one of the best defensive midfielders in the world. He along with Andres Iniesta and Xavi Hernandez formed a formidable midfield partnership for a long time. Busquets is quite calm and composed in possession, distributes the ball quite well, and is rarely dispossessed. With his style, strength, and pace, he commands the midfield.
He is quite successful in breaking the opposition's momentum, makes frequent runs to join the Barcelona attack, and is a threat to the opposition from set-pieces due to his height. His contributions has certainly helped Barcelona maintain their dominance in world football.
Due to his stature and records, Busquets was one of the transfer targets of a top European club in the recently concluded transfer window.