Mexico will be without midfielder Marcel Ruiz at the 2026 World Cup after he suffered a torn anterior cruciate ligament (ACL), ruling him out of the tournament. The injury is a significant setback for both the player and the national team as preparations continue for the competition. Ruiz, regarded as a promising midfield option for Mexico, had been in contention to play an important role at the World Cup. His absence reduces the depth available to the coaching staff in central areas of the pitch and forces a reassessment of plans in midfield. A torn ACL is among the most serious knee injuries for footballers, typically requiring surgery and a lengthy rehabilitation period. Recovery timelines can vary, but the severity of the injury is such that Ruiz will not be fit in time to participate in the 2026 tournament. Mexico had already been managing other fitness concerns in the build-up to the World Cup, and the loss of Ruiz adds to the challenges of finalizing a balanced and competitive squad. The coaching staff will now have to look at alternative options to fill his potential role, whether by turning to more experienced players or giving opportunities to other emerging talents in the player pool. Ruiz’s injury also affects his club situation, as he faces an extended spell away from competitive action. His focus in the coming months will center on surgery, recovery, and a gradual return to training once medical staff clear him to resume football activities. For Mexico, the priority will be to adjust tactically and structurally without Ruiz, ensuring the team can maintain its intended style of play in his absence. For the player, the longer-term goal will be to return to full fitness and reestablish himself for both club and country after the World Cup. While he will miss the opportunity to compete on home soil in 2026, his age and potential leave open the prospect of featuring in future international tournaments once he has fully recovered.