The moment is optimal to change Man Utd's formation - the manager insists.

Head coach Ruben Amorim says that changing Man Utd's tactical system due to external scrutiny would have signaled "his demise" for him.

For the first time against Newcastle United, Amorim abandoned his trademark three-at-the-back setup with wing-backs and instead deploy an standard four-man defense with two defensive midfielders.

By his own admission this ultimately transformed into a six-man defensive block in the latter phase as his squad clung on for a win - securing just their second-ever clean sheet of the season.

Although he once memorably remarked that not even the Pope could compel him to adjust his approach, Amorim insists the capacity to utilize varied formations has remained part of his strategy.

However, he emphasizes he could solely make the switch when his team were performing sufficiently well - lest it would look as if he was succumbing to external pressure.

"When I came here last season, I understood perhaps I lacked the personnel to excel in a back three, but it was the commencement of a process," he commented.

"Our aim was to establish an philosophy. Now is a distinct moment. We lack a lot of players, and we need adapt, so they see why we are changing.

"The change isn't because of the influence of the media, or the fans.

"Whenever you discuss altering the system all the time, I can't change because the squad will believe I'm changing because of you and I think that is a disaster for the manager.

"When we are playing well in our preferred setup, that is the opportunity to change.

"We are going to grow into a stronger team because when all the players are back, we are not planning to employ a back three in every match."

Availability Challenges Loom Large

With only two victories in eight games prior to beating Newcastle, it is questionable whether Amorim is right to state his team have been in good form.

He is, though, managing with a injury-ravaged roster, with multiple senior stars already unavailable for the forthcoming fixture against struggling Wolves.

That total will increase if playmaker Mason Mount is unable to recover the knock that led to his exit from the Newcastle game at the interval.

Captain Bruno Fernandes is a key name who will miss the Wolves clash, even though he is understood to be urging his boss to allow him to make a comeback after his muscle injury.

"Fernandes is already telling me he has to train," revealed Amorim. "However there is no chance he is going to play against Wolves. No chance. You can quote me on that."

The Captain's Leadership Endures

Nevertheless, the Portuguese star will probably continue to be deeply engaged, as whereas most unavailable players watch matches from the stands, Fernandes was observed keeping a close eye on the warm-ups from the entrance of the tunnel before the Newcastle game.

Amorim is sure his captain to continue providing input.

"The guy is a natural leader," he declared. "He cannot be that guy that when he is absent, he's not talking and speaking. He's constantly vocal. That's why he's the captain.

"There are negative aspects sometimes - his mannerisms he moves his arms - but he has a multitude of positive qualities. After he finishes treatment, he goes to watch the rest of the squad practicing. There are a lot of things you don't see.

"I don't know if he desires my job or not, but he's a born leader. The guy is a leader."

Recovery Schedule for Injured Personnel

Although the specific timeline for Fernandes' return - and that of fellow unavailable stars like Kobbie Mainoo, Matthijs de Ligt, and Harry Maguire - remains uncertain, before the conclusion of January, United will see the return of Noussair Mazraoui, Amad Diallo, and Bryan Mbeumo from international competition.