Former Argentina teammate Javier Zanetti believes Lionel Messi will play in the 2026 FIFA World Cup. Zanetti cited Messi's fitness, performance, and leadership qualities, stating he has "no doubt that it will happen." He added that Messi's intelligence and the strong national team surrounding him make Argentina a major contender. Zanetti also suggested Messi should enjoy his football, implying the World Cup could be a significant event for him.