Manchester United have another delicate issue to manage, and this one cuts across dressing room harmony, recruitment strategy and the club’s wider direction. Lisandro Martinez, long viewed as an important figure in the back line, has publicly questioned the work being done above him, and in doing so has placed his own future under fresh scrutiny.

According to Sky Sports , there is now genuine uncertainty over whether United will trigger their option to extend the defender’s stay beyond next summer. That detail matters. Martinez is not simply a player making noise after a disappointing result, he is a senior international with a contract situation approaching a key decision point, and a history of wanting to explore a move elsewhere.

The timing is especially significant. Michael Carrick is trying to steer United through a demanding season, and the club are already preparing for further work on the defence in upcoming windows. Any public challenge to the hierarchy, especially from a player whose own future is unsettled, has the potential to complicate both planning and morale.

The remarks themselves were striking. Martinez said: “I expect more from our technical director (meaning director of football, Jason Wilcox). We expect more from the top, from upstairs, to bring in more players to compete.” It was a pointed criticism, direct in its target and difficult for the club to brush aside.

There is understood to be irritation at senior level, along with surprise at the nature of the comments. More than that, the fallout appears to have extended into the squad. The suggestion that United’s current options are not sufficient has, unsurprisingly, created tension among team-mates, particularly when several members of the group are already working through an injury-hit period in defence.

That reaction is easy to understand. Dressing rooms are sensitive environments at the best of times. Publicly questioning the quality of support around you can be interpreted as ambition, but it can also be heard as a criticism of those lining up beside you. In Martinez’s case, that balance has tipped badly.

United have yet to decide whether disciplinary action will follow. That process is likely to be weighed carefully. Martinez remains a key defender when fit and available, and there is little sense in escalating a problem if it can still be contained internally. Yet the very fact such a discussion is taking place tells its own story.

This situation has not emerged in a vacuum. Martinez has been keen on leaving Old Trafford for some time, and his preference in the summer was to join Atletico Madrid. No suitable offer arrived for United to seriously consider, but the interest on the player’s side was there, and that is a significant part of the backdrop.