While the Olympic football tournament is often overlooked, it is a fine source of young talent ready to make an impact on the game. Regulations prohibit the fielding of more than three over-23 players, meaning it is up to the kids to deliver their nations to glory.
Neymar was one of the stars of the 2012 Olympics, despite Brazil's failure to take gold. Four years earlier, Lionel Messi, Sergio Aguero and Angel Di Maria excelled in Beijing to lead Argentina to the final.
But who will be the heroes in Rio de Janeiro? The following six players will be crucial to their nations' fight for gold, as the Olympic Games kick off in Rio.