Sir Alex Ferguson will retire after 27 years in charge of Manchester United, with 13 Premier League trophies and two Champions League titles amongst his haul of silverware at Old Trafford.
Here, we present a 'Best XI', a selection of United's greatest players to have played for Ferguson.
Do you agree with our selection? Who would be in your 'Best XI'? Leave your thoughts and comments below...
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His best XI during his reign
His 13 titles remembered
Players pay tribute
Ferguson’s statement in full