Galtoni is an Argentinian keeper.

Galtoni is the regular goalkeeper of Argentina Jr. and later Olympic Argentina. He wears the number "1" jersey.

His name is a reference to Argentinian footballer Daniel Bertoni. In Get in the Tomorrow, his name is put as Jorge Galtoni, while in a color spread of the manga's complete special issue, his name is put as Julio Galtoni.

(Source: Captain Tsubasa Wiki)