Why would Manchester United search for a new midfielder when they already have Mason Mount on their roster? This uncomfortable question is now being asked by supporters and, more importantly, by Michael Carrick and the coaching staff at Carrington as they plan for the upcoming season. Mount, now 27, has featured in every pre‑season fixture for United, impressing against Wrexham, Rosenborg and Atletico Madrid.

While some will dismiss his performances as "just pre‑season" and caution that early‑season form can be misleading due to varying fitness levels and the lack of competitive pressure, the pattern of his displays cannot be ignored. Fans have seen similar hype in the past – for instance, Andreas Pereira was once hailed as a "pre‑season Pirlo" in Brazil, only to fade once the league began. That cautionary tale aside, pre‑season does give a window into a manager’s tactical intentions, and Carrick’s use of Mount may be a clear signal of his future plans.

The former Chelsea midfielder has slipped seamlessly into a deeper, more central role at Old Trafford. His calmness on the ball, willingness to work hard, and ability to operate as a traditional number 8 align perfectly with the type of midfielder United have been hunting since the departure of Casemiro. This summer United have already made two signings to revamp the middle of the park – Andrey Santos, another Chelsea product who has impressed fans, and the experienced Belgian international Youri Tielemans, whose impact is still being assessed. Yet Mount, fully fit for the new campaign, has used the pre‑season to cement his own position, and the way he is being deployed suggests Carrick sees him as a cornerstone of his midfield blueprint.

Mount’s deeper placement is not a novel experiment for Carrick. The former Manchester United midfielder has previously used Mount in a two‑man midfield, and Mount himself is no stranger to playing as a number 6, number 7 or number 8. Over his career he has logged roughly 4,500 minutes in a more defensive role and about 7,000 minutes further up the pitch.

Notably, he started United’s final game of last season – a 2‑0 victory over Brighton – alongside the teenage Kobbie Mainoo. Although United lacked a classic defensive midfielder in that match, the technical quality of Mount and Mainoo allowed them to dominate the midfield battle and control the tempo. That Brighton win was United’s first glimpse of life after Casemiro’s exit, and Carrick’s immediate solution was to push Mount further back. A similar experiment occurred later in the season when Carrick paired Mount with Mainoo behind Bruno Fernandes in a goalless draw at Sunderland.

That match was less successful, and United barely escaped with a point, highlighting the fine line between creative control and defensive frailty. Casemiro offered a more combative, ball‑winning presence that United now miss. Carrick has publicly admired the midfield dynamics of Paris Saint‑Germain, where technical skill often outweighs sheer physicality. He may be aiming to replicate that model at Old Trafford, relying on players like Mount who combine industry with on‑ball intelligence.

In PSG’s system, the emphasis is on possession, quick passing and positional awareness – traits that have helped the French side dominate Europe. Mount’s adaptable mindset, proven by his successful spells under several managers, makes him a prime candidate for such a transformation. Throughout his career Mount has been a favourite of his coaches. He earned Frank Lampard’s trust during a loan spell at Derby County and later at Chelsea, where Lampard again relied on his versatility.

Thomas Tuchel also found a role for Mount in his tactical setups, and Erik ten Hag paid up to £60 million to bring him to Manchester United, handing him the iconic number 7 shirt. Even after ten Hag’s dismissal, his successor Ruben Amorim – the current manager of Sporting CP – quickly expressed his admiration for Mount, calling him a player he loves to watch. Mount’s situation at United is unique.

He enjoys the backing of the coaching staff and the respect of his teammates, and he is entering his third season with the club with a clear desire to prove his worth. However, his career has been repeatedly hampered by injuries.

Since arriving at Old Trafford he has missed roughly 70 matches and spent 394 days on the sidelines. Those numbers raise legitimate concerns about his durability, but there are encouraging signs that his body is finally holding up. A full pre‑season without setbacks suggests he could finally stay fit for a prolonged spell, giving Carrick the consistency he needs to build a midfield around. Looking ahead, United will be back in the Champions League, and the club will be eager to avoid the domestic cup disappointments of last season.

Those competitions will provide ample opportunities for Mount to showcase his abilities in both defensive and attacking phases. If he can stay healthy, he could become the versatile tool Carrick needs – a player who can drop deep to protect the back line, link play with Bruno Fernandes, and make late runs into the box. Three years on, the narrative around Mason Mount may finally be shifting from “potential signing” to “integral midfielder.” He is not a new acquisition; he is a home‑grown solution that United have perhaps undervalued.

The upcoming season will be the true test of whether Mount can transform pre‑season promise into sustained Premier League performance, and whether he can finally deliver the midfield stability United have been chasing since Casemiro’s exit. In summary, Mount’s pre‑season form, his experience in deeper roles, and his growing understanding of Carrick’s tactical vision suggest he could indeed be the third midfielder United have been looking for. The key variables remain his fitness and the ability of the coaching staff to blend his style with the new signings.

If those pieces fall into place, Manchester United may finally have the midfield balance they have long desired, with Mason Mount at its heart.