United have made 22 signings since Sir Alex Ferguson retired in 2013, but have any of them gone on to make a significant impact?
Moyes lasted just 10 months in charge at Old Trafford after being sacked in April 2014
Allardyce left his role as England manager after only 67 days
Sunderland 1 West Brom 1: Patrick van Aanholt secures a point late on but Sunderland remain winless this season
Sunderland 1 Middlesbrough 2: Moyes had called for ferocity. “Things Can Only Get Better” is a chant locals have adopted in the past few seasons, but they need to and fast
Sunderland 1 Middlesbrough 2: Two first-half goals from Cristhian Stuani gave Boro control of this game long before Patrick van Aanholt’s 71s minute strike offered Sunderland forlorn hope
Moyes has responded firmly to the first test of his authority as Sunderland manager, demanding that the centre-half wait until the transfer window closes
Moyes's United failure triggered the death of the British manager, but at Sunderland he has the opportunity to help those who were unwittingly set back by his inability to succeed
The 52-year-old Scotsman was dismissed after failing to qualify for the Champions League during the 2013/14 season
David Moyes has been sacked by both Manchester United and Real Sociedad in the past two years but says he is ready if ‘the right job’ becomes available
Newcastle boss favourite to be next Premier League manager sacked
'There are managers in the lower divisions, when are they going to get a chance?'
Giggs continued playing until he was 40
The only British manager in a major Continental league takes his Real Sociedad to Barcelona on Saturday. David Moyes tells Pete Jenson why he has no plans to return home yet
English champions may have to wait to sign the German star
The Spaniard is wary of the Potters' robust style