Lionel Messi, widely regarded as one of the greatest footballers in history, has a World Cup career defined by both heartbreak and triumph. After falling short in the 2014 final against Germany, Messi finally lifted the trophy in 2022, leading Argentina to victory over France in a dramatic penalty shootout. The question of whether he will play in the 2026 World Cup is not just about his physical ability but also about his personal timeline. Messi will be 39 years old by the time the tournament begins in June 2026, an age at which few outfield players have competed at the highest level. His current contract with Inter Miami in Major League Soccer runs through the 2025 season, with a club option for 2026, but his international future remains uncertain. Argentina's head coach, Lionel Scaloni, has publicly stated that the door remains open for Messi as long as he is fit and willing. Messi himself has been noncommittal, saying after the 2022 final that he wanted to continue playing for Argentina for a few more matches but has not confirmed his long-term plans. The prediction market resolves to Yes if Messi is named to Argentina's final 26-man squad for the 2026 World Cup, regardless of whether he actually plays in any matches. This distinction is important because even if Messi is selected but suffers an injury before a match, the market still pays out. The outcome depends on multiple factors: his physical condition, his desire to compete at 39, Argentina's performance in qualifying, and the team's overall strategy. Fans and analysts are watching closely, as his participation could shape the narrative of the tournament and affect betting markets, merchandise sales, and broadcast viewership. As of early 2025, Messi has continued to play regularly for Inter Miami, scoring 20 goals in 19 league appearances in 2024, suggesting he remains in good form. However, the physical demands of international football, especially a tournament held across three countries (USA, Canada, Mexico), will be a test. The question also touches on broader themes of legacy: Messi has already achieved everything in the sport, and some wonder if he will want to risk tarnishing his farewell on a third continent. Others argue his competitive drive, evident in his move to Miami and his continued excellence, means he will push for one more World Cup. The answer will become clearer as Argentina's qualification campaign progresses and as Messi's body responds to the rigors of another year of professional football.

Historical Context

Lionel Messi's World Cup journey began in 2006 when he was 18 years old. He made his debut as a substitute against Serbia and Montenegro, scoring a goal in a 6-0 win. Argentina reached the quarterfinals that year, losing to Germany on penalties. In 2010, under Diego Maradona's management, Argentina again fell to Germany in the quarterfinals, this time 4-0. The 2014 tournament in Brazil was Messi's best chance before 2022. He led Argentina to the final, scoring four goals and winning the Golden Ball for best player. But Germany defeated Argentina 1-0 in extra time, a loss that haunted Messi for years. He briefly retired from international football after the 2016 Copa America final loss, but returned later that year. The 2018 World Cup saw Argentina eliminated by France in the round of 16, a 4-3 defeat. The turning point came in 2021 when Argentina won the Copa America, Messi's first senior international trophy. The 2022 World Cup in Qatar became the crowning achievement: Argentina won the tournament, Messi scored seven goals (including a penalty in the final shootout), won the Golden Ball again, and became the first player to score in every round of a World Cup since the group stage was introduced in 1982. Historically, only a few outfield players have competed in a World Cup at age 39 or older. The oldest outfield player in World Cup history is Egypt's Essam El-Hadary, a goalkeeper who played at 45 in 2018. Among outfield players, the record belongs to Cameroon's Roger Milla, who scored at 42 in 1994. More recently, Mexico's Rafa Marquez played in his fifth World Cup at 39 in 2018. No Argentine outfield player has played in a World Cup at age 39. The oldest Argentine to play in a World Cup is goalkeeper Sergio Romero, who was 35 in 2018. For Messi to play at 39, he would be breaking new ground for Argentina and joining a very small group of players worldwide. The 2026 World Cup will be the first to feature 48 teams, up from 32, and will be hosted across three countries: the United States, Canada, and Mexico. The expanded format means more matches and potentially more travel, which could be a factor for an older player like Messi.