Former Manchester United manager Sir Alec Fergusson and current Manchester City manager Pep Guardiola appear to have had similar achievements while coaching English clubs. Alex Furgerson is recognized as Manchester United's all-time finest manager due to his outstanding achievements. From 1986 to 2013, he was the manager of Manchester United.
One of the principal criteria for classifying a football manager or coach as a top or world-class one is the number of trophies he or she has won. And it is on this basis that both Sir Alex Ferguson and Pep Guardiola earned the names of top or world-class coaches.