1. Sir Alex Ferguson
How Red Devils fans must miss their stalwart of a manager now, as the English champions head towards their lowest Premier League points tally and no European football for the first time since 1981.
Ferguson took charge of the then average United in 1986 and in more than a quarter of a century at Old Trafford turned them into a global superpower.
During that time the Scot won an incredible 13 league titles, built up several brilliant sides and also lifted the Champions League trophy twice.
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