And you cannot have the best without also remembering the worst. Here are our selections for the worst XI to suit up for Manchester United under Sir Alex Ferguson's watch.
Ferguson's forgettable XI
Goalkeeper Massimo Taibi (1999-2000) Cost £4.5m, played four times, conceded 11 goals, sold for £2.5m.
Defender John Sivebaek (1986-1987) Scored United's first goal under Ferguson; never scored again. Shipped out following season.
Defender William Prunier (1995-1996) The French centre-half played twice, conceded five, lasted just three months.
Defender Pat McGibbon (1992-1997) The youth product lost on debut 3-0 to York City. Got sent off. Never played again.
Midfielder Eric Djemba-Djemba (2003-2005) Cameroonian was meant to be Roy Keane's replacement. So bad they named him twice.
Midfielder Kleberson (2003-2005) World cup winning Brazilian for £5.9m should be a snip. For him, it was extortion.
Midfielder Ralph Milne (1988-91) Fergie called him "My worst signing". That's good enough for us.
Midfielder Liam Miller (2004-2006) Arrived amid great hype; left through back door for Sunderland.
Midfielder Jordi Cruyff (1996-2000) Johan's son joined from Barcelona. Dad would have been better.
Centre forward David Bellion (2003-2006) Very fast, but that was all. Should have been quicker out the door.
Centre forward Bebe (2010-present) Signed for £7.4m, Fergie had never seen him play. Now he sees him only his nightmares.
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