Think you know everything there is to know about Barcelona superstar Lionel Messi?
Well, test yourself on all things Messi by taking on this challenging mini-quiz. He's Barcelona's record goalscorer, one of the club's best ever number 10s.
But, for instance, do you know who wore the number 10 shirt before him? Can you name the international tournament he helped Argentina to win?
There's something for all levels, some easy, some hard, some downright infuriating.
The four-time Ballon d'Or winner is one of the game's greats. Still just 26 years old, the Argentina international has won just about every club competition in the world.
International success has proved a little more elusive - but that could change in Brazil next year of course. Any side with Leo Messi in stands an excellent chance, they just need to figure out a way to get the best from him.
Anyway, test yourself on this quiz and let us know how you get on in the comment box below!