Montage of Manchester United managers through history, some holding European Cup trophies
Manchester United managers past and present: Matt Busby (top left), Frank O'Farrell (bottom left), Tommy Docherty (third left), Michael Carrick (centre), David Moyes (third right), Erik ten Hag (bottom right) and Alex Ferguson. Composite: Guardian Pictures; Popperfoto/Getty Images; PA; Tom Jenkins/The Guardian; Action Images; Shutterstock; Reuters
Manchester United managers past and present: Matt Busby (top left), Frank O'Farrell (bottom left), Tommy Docherty (third left), Michael Carrick (centre), David Moyes (third right), Erik ten Hag (bottom right) and Alex Ferguson. Composite: Guardian Pictures; Popperfoto/Getty Images; PA; Tom Jenkins/The Guardian; Action Images; Shutterstock; Reuters