Although have enjoyed some excellent moments this season already, the jury appears to be out on Manchester United's performances so far this season.

Already out of the Carabao Cup after losing to West Ham, losses to Young Boys and Aston Villa have so far taken the gloss off Cristiano Ronaldo's return to Old Trafford.

And many fans are pointing to one area of the pitch as the reason for the team's struggles – midfield.

Ole Gunnar Solskjaer is looking to add another midfielder to the ranks next season with the club interested in Declan Rice, among others.

But with so much of this season still to go, here's how United legends Paul Scholes, Gary Neville, Rio Ferdinand, Bryan Robson and Roy Keane would all solve the problem.

Paul Scholes

According to Scholes, midfield has led to Solskjaer's side 'lacking balance' – and shows a 'difference in mentality' to local rivals and defending Premier League rivals Manchester City, but Scott McTominay could be the answer.

Speaking to Webby and O’Neill , Scholes said: “You mention McTominay, I think he’s the best one for that role out of the four of them, I’d definitely go for him.

“I think he’s got everything, he’s athletic, he can get around the pitch, he’s got great ability as well. He’s capable of sitting in that position.

“Ole doesn’t seem to be able to get the balance right in that team. Is he going to play that one with the rest around him, and have Pogba next to him who he probably doesn’t trust defensively? Or is he going to play two holding midfield players.

“That’s the difference between United and I think Liverpool and City – they are much more aggressive, more attack-minded."

Gary Neville

Former United full-back Neville's solution is a simple one – break up 'McFred'.

Neville wants to see the club play with just one sitting midfielder, rather than the popular Scott McTominay and Fred base that Solskjaer regularly plays with.

Speaking on Monday Night Football nearly a year ago, Neville claimed that following Pep Guardiola’s lead at Manchester City could act as a solution to forge a strong partnership between Pogba and Fernandes.

He said: “I’ve never understood why he hasn’t tried – and maybe he’s looked in training and hasn’t liked it – one sitter with Pogba & Fernandes in front like (Kevin) De Bruyne & (David) Silva.”

Rio Ferdinand

It appears Rio Ferdinand doesn't see anyone in Solskjaer's squad capable of playing the role of defensive midfielder week-in, week-out calling the position 'a concern'.

He seems to have hinted the club need to bring someone in, but with United signing Jadon Sancho, Raphael Varane and Cristiano Ronaldo in the summer, the former England defender admitted you 'can't do it all in one window'.

Speaking on Vibe With FIVE, Rio said United's midfield balance had been 'all over the place' against Villarreal when they tried to play a three-man midfield with McTominay at the base.

The United legend said the club had to bring Ronaldo back, but that the move 'just took out the possibility of addressing the defensive midfield area'.

He said: "That stuck out like a sore thumb last year and is sticking out even more now because you haven't got anyone in there with the capabilities whether it's Matic because you may be worried about big spaces around him now, especially at Old Trafford.

"Or Fred, not understanding the role completely, he has good attributes in retrieving the ball, in winning the ball he's as good as most but it's the positional or spatial awareness I think where he struggles.

"McTominay, I don't think he's naturally a deep-lying midfielder, he's an eight, 10 when he was a kid.

"So there's no one in there who's actually a specified defensive midfielder or who has the capability to do it anymore so it's a concern.

"And it could be the thing that maybe holds us back this year, and I think that's why a lot of fans were calling, 'we've got to get a defensive midfielder', 'we've got to get a defensive midfielder'.

"And obviously that wasn't addressed this summer, but you can't do it all in one window, that's the problem."

Roy Keane

Although Keane doesn't appear to have the answer to United's midfield issues, he is clear on his belief that it is not Fred.

Following the 0-0 draw with Wolves in August, the former United captain singled out the midfield options at Solskjaer's disposal and criticised Brazilian defensive midfielder Fred, stating that he doesn't know what the 28-year-old is good at, if anything.

Speaking as a pundit after the game on Sky Sports, Keane said: "Sometimes I think if you’re going to play in midfield for a big club, you’ve got to hang your hat on something to say well he’s brilliant at going forward or he’s brilliant defensively or he’s got a goal in him or he’s great at… I don’t see any of them in Fred, any of them.

"I think [Scott] McTominay is in with a chance of being a player. Matic, ah you know… would any of these get into the Manchester City team? Or Liverpool or Chelsea? I don’t see it, so I wouldn’t know the combination.

Cristiano Ronaldo has completed his return to Manchester United.

Manchester United enjoyed a sensational transfer window, securing the signing of Cristiano Ronaldo, but Ole Gunnar Solskjaer is now under pressure to deliver silverware after a patchy start to the season. United face some big games after the international break.

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Bryan Robson

Bryan Robson has suggested a new role for McTominay in United's midfield.

He told the BBC: ‘The coaches either want an attacking midfielder or a sitting midfielder but I still think there are people out there who can do box to box.

“They’ve just got to work a little bit harder and get their finishing right. I think we have one at this club in Scott McTominay, I don’t think he just has to be a sitting midfield player and just class as a defensive player.

“He’s scored seven goals last year and I think where maybe Scott can improve as a player is trying to get between 10 and 15 goals every season.

“If you’re a midfield player and stay away from injury then you can achieve that. I think Scott’s got that in his locker.”