Manchester United’s early‑season exit from the Carabao Cup at the hands of Grimsby Town last campaign remains a vivid memory for many supporters. That loss has become almost emblematic of the period when former manager Rúben Amorim was in charge, a night that will be recalled as one of the club’s most disappointing performances. While the recent defeat at Old Trafford against Brighton does not carry the same historical weight, there are unmistakable parallels that now confront Michael Carrick, the man who succeeded Amorim.

Youri Tielemans, United’s captain during the Brighton game, was candid after the final whistle. He admitted that once the visitors surged ahead 2‑0, his side simply stopped playing with purpose, a sentiment that was evident in the lackluster display that followed. From roughly the 20‑minute mark, Brighton began to dominate, and despite the introduction of several attacking options – Bruno Fernandes, Kobbie Mainoo, Bryan Mbeumo and Matheus Cunha – the Red Devils never managed to create a credible threat.

For Carrick, this inability to respond when the match slipped away is a worrying sign. Since taking over in January, Carrick has often praised his players and highlighted the positive aspects of each performance, even after a string of defeats. The Brighton loss, however, offered little to celebrate. The coach’s usual optimism was absent, and the team’s performance left more questions than answers.

When Carrick and his backroom staff first arrived, the reaction was largely positive. The defensive shape appeared tighter, and United secured impressive victories over rivals Manchester City and Arsenal. The arrival of experienced figures such as Steve Holland, Jonathan Woodgate and Jonny Evans seemed to tighten the back line instantly. Yet the current season has exposed lingering frailties: United have conceded two goals in three of their four league matches, and the Brighton game highlighted those defensive shortcomings once again.

One of the goals was a clear mistake from goalkeeper Karl Darlow, but beyond that, the back four displayed a lack of cohesion and mutual understanding that is hard to overlook. Left‑back remains a particularly thorny issue for Carrick. Although he has not publicly labeled the position as a glaring weakness, the problem is evident.

Luke Shaw, United’s only senior left‑back, has missed the last three fixtures due to a minor injury. Given Shaw’s age and his injury history – despite an impressive availability record last season – it was perhaps shortsighted not to reinforce that area during the summer transfer window. Carrick experimented with Noussair Mazraoui in the role, but the Moroccan appears to have slipped down the pecking order, with the less experienced Patrick Dorgu being preferred for the Manchester derby loss. Young prospect Harry Amass has not been earmarked as a long‑term solution either, leaving the club with a genuine dilemma about how to plug the left‑back gap for the remainder of the campaign.

It may seem premature to question Carrick’s job security after only a handful of games in the new season, especially since United have accumulated the most points of any side since his return in January. Nevertheless, the manager himself has acknowledged that moments such as Ainsley Maitland‑Niles’ equaliser for Everton, a contentious VAR decision against City, and now the disheartening collapse to Brighton have altered the atmosphere around the club. A defeat at Fulham on Sunday, broadcast live on Sky Sports, could ignite uncomfortable debates about whether Carrick can guide United out of the current storm. While it is early days, the head coach deserves some sympathy for the squad he has inherited.

The lack of significant outbound transfers this summer has limited United’s ability to reinforce key areas. Yet this limitation does not fully excuse the club’s apparent neglect of crucial positions. The left‑back spot, as highlighted, should have been a priority. Additionally, with Benjamin Šeško still nursing a shin injury throughout the summer, United might have benefitted from signing a temporary No 9 to share the load, rather than forcing Matheus Cunha and Bryan Mbeumo into unfamiliar roles.

Both forwards have struggled to recapture the form they displayed under Carrick last season. Until United can execute a comprehensive overhaul in a single transfer window, they are likely to remain stuck in a cycle of incremental improvements, relying heavily on players left over from previous regimes.

This reality may explain the boos that echoed around Old Trafford after the Brighton loss – not merely a reaction to that single performance, but an expression of frustration with a recurring pattern of unfulfilled promise and false dawns under new management. It is still too early to write off Carrick’s tenure. He earned commendation for the progress made last season, and he deserves time to embed his ideas.

However, the waters he must navigate are undeniably choppy. If he can halt the downward spiral – even without an immediate win against Fulham, but by delivering a solid, competitive display – there may be enough breathing room for him to steer the ship back onto a steadier course.

The coming weeks will be decisive in determining whether Carrick can transform the current turbulence into a platform for sustained improvement.