Sunday’s final could well be Messi’s last in an Argentina jersey.

Messi is hoping to lead Argentina to back-to-back World Cup crowns

Argentina coach Lionel Scaloni says he doesn't know if Sunday is Messi's last World Cup match, a moment with implications for sports tokens and fan

The spotlight will be firmly on Argentina captain Lionel Messi, who is expected to play the final World Cup match of his career. The 39-year-old will become only the second player…