Sky Sport reported on Sunday, October 18, 2026, that Manchester United defender Lisandro Martínez was substituted at half-time after experiencing discomfort in his thigh. Manager Michael Carrick confirmed the problem, raising concerns about the defender's availability for the club's forthcoming fixtures.

The situation represents a potential setback for United because Martínez plays a significant role in their defensive setup. The Argentine centre-back is known for his combative nature, impressive tackling and composure when playing the ball out from defence.

His ability to help the team move forward from the back makes him an important part of United's build-up play. Losing him to injury could therefore force Carrick to adjust his defensive arrangements and consider alternative options.

Martínez's substitution at the interval indicates that the club preferred to avoid taking unnecessary risks with his condition. However, the available information does not establish how serious the thigh problem is, and additional medical assessments may be required to determine the expected recovery period.

Manchester United fans will be hoping that the injury is not serious and that the defender can resume training shortly. Since thigh problems can range from minor strains to more significant injuries, his potential return date cannot be determined without an official medical evaluation.

The Argentine has become an influential figure in United's defence, combining determination and physical strength with the technical ability to maintain possession when opponents apply pressure. His partnership with the other defenders also helps the team remain organised against sides with considerable attacking quality.

If Martínez is unavailable for the next few games, Carrick could be required to reorganise his backline and select a different defensive combination. Whoever replaces him will need to provide the consistency, discipline and confidence necessary to protect the team's goal.

The development comes as Manchester United's managerial situation and performances under Carrick continue to attract attention. Alongside the broader questions surrounding the club's future, managing injuries to key players remains an important responsibility for the manager and his coaching staff.

For the moment, establishing the seriousness of Martínez's thigh injury is the main priority. The results of any further assessment will help determine whether he can feature in Manchester United's next game.

The club has not yet announced an official timeframe for his recovery. Consequently, supporters will be awaiting further information from Carrick and the medical team regarding the defender's condition.

Until more details emerge, Martínez's availability remains uncertain. Manchester United will be hoping that his withdrawal at half-time was simply a precaution and that he will not be forced to spend an extended period out of action.