#2 Pep Guardiola
Arguably the most successful manager in Barca's history, Pep Guardiola wrote his history with a golden pen. He was part of Johan Cruyff's dream team that conquered the world in the 90's. He was a pioneer of Cruyff's possession-based, intense attacking style of football and was the captain of the team in the era.
As a player, he was the backbone of Barca's midfield. His creativity and adaptivity were highly instrumental. The midfielder was superb with his vision and passing. He helped the team to their first European Cup in history, as well as other trophies including the La Liga, Supercopa de Espana, Copa Del Rey and so on.
His managerial highlight came in 2008, when he took over as Barca head coach and became the first and only manager to win 6 trophies in a single season. He moved on with his excellence, winning several trophies with Johan Cruyff's tiki-taka system before leaving for Bayern Munich.
At Bayern, he reproduced his excellence, winning back-to-back Bundesliga titles, the DFB Pokal as well as other trophies. His quest for another challenge led him out of Germany and was signed by Manchester City, where he has already started making noise with his brilliant brand of attacking football.