Rosario is a small port city about four hours' drive north of Argentina's capital, Buenos Aires. It has a little over a million inhabitants and is dwarfed by greater Buenos Aires, which has more than 13 million people.
Rosario, though, has a reputation for producing an inordinate amount of talent. It's said the city is a "semillero" (seedbed) because so many notable people have sprung from it. It is, for example, the birthplace of Ernesto "Che" Guevara and perhaps the greatest footballer of all time, Lionel Messi.
"Rosario has a reputation for being the source of great footballers," says Javier Wainer, who works as a scout for Racing, a premier division club in Buenos Aires.