An Argentine footballer who plays as a midfielder or striker at the Spanish FC Barcelona and the Argentina national team of which he is the captain. Silver medalist of the World Championship 2014. Gold medalist of the Olympic Games 2008. The most effective player in the history of FC Barcelona. He was awarded the Golden Ball and the title of FIFA Player of the Year. He was born on June 24, 1987 in Rosario, Santa Fe province. At the age of 11, he was diagnosed with pituitary dwarfism.