Lionel Messi, currently 39, continues to be a central creative force for the Argentina national team.
Advancements in sports science and strict recovery discipline are enabling football legends to compete at an elite level into their late 30s and 40s.
Alongside Messi, veterans like Cristiano Ronaldo and Luka Modrić are actively shaping the 2026 World Cup with their tactical experience.
Modern football is shifting toward valuing game awareness and positioning, allowing older players to remain highly effective against younger, faster opponents.