The polls to decide United's greatest ever XI are now open and you, the fans, will decide who fills each position in the team.
To aid your decision, we have compiled brief profiles of each shortlisted candidate. Here we look at the goalkeepers and centre-backs... VOTE NOW
Harry Gregg (1957-1966): 247 appearances | 0 goals
Tough, powerful and intimidating, Harry Gregg laid the blueprint for domineering United keepers of the future. A survivor of the Munich air disaster, the Northern Irishman remained at Old Trafford until injury forced his retirement in December 1966.
Peter Schmeichel (1991-1999): 398 appearances | 1 goal
Famous for his vocal and aerial presence, the Great Dane enjoyed eight years of unrivalled excellence at Old Trafford, during which time he lifted just about every trophy within reach of his giant 6ft 4in frame – including the historic treble in 1999.
Edwin van der Sar (2005-2011): 266 appearances | 0 goals
Signed from Fulham in 2005, the big Dutchman was the answer to one of Sir Alex Ferguson’s most troublesome problems – how to replace Peter Schmeichel? Though many had tried, Edwin proved the perfect fit and enjoyed six trophy-laden seasons with the Reds. His only regret? Not joining us earlier.
Alex Stepney (1966-1978): 539 appearances | 2 goals
‘Big Al’, as he was affectionately known, earned Old Trafford immortality the night United became European champions in 1968, thanks mainly to a spectacular save from a late Eusebio strike to send the final into extra time, and