The moment is right to alter Manchester United's formation - the manager states.

Boss Ruben Amorim contends that altering Man Utd's formation due to public pressure would have been "the end" for him.

In a first against Newcastle, Amorim moved away from his trademark back three setup with wing-backs and chose to field an traditional four-man defense shielded by two defensive midfielders.

By his own admission this ultimately functioned as a six-man defensive block in the latter phase as his squad dug in for a crucial result - securing only their second-ever shutout of the season.

Although he once memorably stated that even the highest authority could pressure him to tweak his system, Amorim maintains the option to utilize different setups has consistently been part of his strategy.

Yet, he emphasizes he could solely alter the tactics when his team were doing at an acceptable level - otherwise it would appear as if he was giving in to external criticism.

"At the time I came here last season, I understood perhaps I don't have the squad to play well in a back three, but it was the commencement of a process," he said.

"Our aim was to establish an philosophy. Now is a distinct moment. We don't have a full complement of personnel, and we must adapt, so they see the reason we are changing.

"This isn't because of the influence of you guys, or the fans.

"Whenever the press discuss changing the formation constantly, I can't make a change because the players will believe I'm changing because of you and I think that is the downfall for the manager.

"When we are performing strongly in our system, then is the right time to change.

"We are going to grow into a more complete team because when our full complement of players are available, we are not planning to use three defenders in every match."

Injury Challenges Loom Large

With only two wins in their last eight outings prior to defeating Newcastle, it is questionable whether Amorim is correct to claim his side have been in good form.

He is, however, working with a depleted squad, with seven first-team players already ruled out for the forthcoming fixture against struggling Wolverhampton Wanderers.

That number will rise if midfielder Mason Mount is unable to shake off the injury that forced his withdrawal from the Newcastle game at the interval.

Skipper Bruno Fernandes is one of those who will miss the Wolves clash, despite the fact he is understood to be pushing his manager to let him to make a comeback following his muscle problem.

"Fernandes is already insisting he has to train," said Amorim. "However there is no chance he is going to play against Wolves. No way. That's definitive."

The Captain's Role Is Unwavering

Nevertheless, the 31-year-old will probably still be heavily involved, as while most unavailable players view matches from the stands, Fernandes was seen monitoring the warm-ups from the entrance of the tunnel before the Newcastle game.

Amorim anticipates his leader to carry on providing guidance.

"The guy is a natural leader," he affirmed. "He cannot be that guy that when he is not playing, he's not talking and speaking. He's always communicating. That's why he's the captain.

"There are flaws sometimes - the way he gesticulates - but he has a multitude of strengths. After he finishes treatment, he goes to watch the other guys practicing. There are a lot of aspects that go unnoticed.

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

Recovery Timeline for Key Personnel

While the exact timeline for the captain's comeback - and that of other injured players like Kobbie Mainoo, Matthijs de Ligt, and Harry Maguire - remains uncertain, by the end of January, United will welcome back Noussair Mazraoui, Amad Diallo, and Bryan Mbeumo from continental duty.