Diego Leon was barely a household name in his own home.  He was a 17-year-old left back from Paraguay, making his way through the youth ranks of Cerro Porteno, one of the South

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"However, he is very effective when joining the offensive actions, particularly with his finishing ability." The defender was picked for most of Cerro Porteno's league games this year but played a very limited role in the side's progression to August's Copa Libertadores knockouts - an indication Manchester United are signing potential rather than a finished product.