Messi is arguably one of the greatest to ever play football; he has millions of fans all over the world. Did you know Messi had some health problems at the age of 11 as he was diagnosed with growth hormone deficiency? His parents were not very rich so they were unable to afford his treatment. Messi made his debut playing for Barcelona against RCD Espanyol at the age of 17 and this is when the whole world saw a player who will become one of the best to ever play the game. Check out some of the best Messi Wallpapers below.