Ralf Rangnick has said that Manchester United need to "find a new pathway", as well as reducing managerial turnover.
Since the legendary Sir Alex Ferguson left the club in 2013, United have had four permanent managers: David Moyes, Louis van Gaal, Jose Mourinho and Ole Gunnar Solskjaer.
Rangnick has been placed in interim charge of first-team affairs until the end of the season, but he will move into an advisory role for a further two years in the summer.
Speaking to the media for the first time since joining the club, he admitted that he was not surprised that United had struggled to find their identity since Ferguson left.
"Having had Sir Alex for 27 years, winning numerous titles, having had the same manager for 27 years, it's unique and it's exceptional," he said.
"For me, it's not that unusual that after such a long and successful spell that the club needs to find the new pathway. There have been five or six managers since Sir Alex left.
"It was also difficult for the club to retain continuity with regard to signing new players, developing and sticking to the DNA of the club and for me, it's vital you do that in modern football.
"For the future, and I think we have the same opinion the board members and myself, it is important we develop this in the future and there will be not that many changes in management."
PSG will only let the former Spurs manager return to England if they have a succession plan in place though, with Zinedine Zidane looking most likely to take over currently.
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