Everything Man Utd is today can be attributed to Fergie. Before he became manager, they hadn't won the league title for something like 25 years while Liverpool then the biggest and most popular club in the land had twice as many titles. Now Man U has not only bypassed Liverpool on every level to dominate the domestic league on and off the field, it has become the No.1 sporting global brand.
Just on Fergie, success has followed him wherever he goes. Don't forget before he became Man Utd's manager, he lead Scottish club Aberdeen to two league titles in the mid-1980s. It is still to this day the last time a non old-firm club has won the Scottish league title.
The big question now is who takes over Fergie at Man U? There's talk of Everton's manager David Moyes or even the 'chosen one' Jose Mourinho getting the gig.