The Scot held the top position at the club for over 26 years between 1986 and 2013, winning an incredible 13 league titles, five FA Cups and two European Cups, before retiring in 2013 after 1,500 games at the helm.
But what would an all-time XI look like featuring Ferguson's most-used players?
Naming the legendary manager's best XI is a near impossible task, given the number of superstars who passed through the club during his reign, but, thankfully, all we need to do here is crunch the numbers.
GOALKEEPER
The boss moved heaven and earth to obtain Schmeichel's signature in the early 90s, and it proved one of his most important transfers.