Messi’s 2022 triumph gave him the one trophy that had eluded even the greatest players, but for a competitor of his calibre the drive to test himself never really switches off; the chance to win a second World Cup would turn a once‑in‑a‑career peak into a rare, multi‑generation achievement. At 39 he also knows that a deep‑run in 2026 would rewrite the narrative on longevity, showing that elite performance can be sustained well beyond the usual “prime” years. Beyond personal glory, Argentina still has a core of talented youngsters who missed out on the 2022 final, and Messi has repeatedly spoken about wanting to finish the project he started with the 2021 Copa América. A successful 2026 campaign would therefore be as much about leaving the national team in a stronger position for the future as it would be about adding another gold medal to his résumé. In short, the 2026 World Cup is both a legacy‑expansion challenge and a personal test of whether he can keep competing at the highest level on his own terms.