Porto's Nicolas Otamendi, Fiorentina's Facundo Roncaglia and Bordeaux's Lucas Orban have been called up by Argentina coach Alejandro Sabella for the friendlies against Ecuador and Bosnia-Herzegovina.
Every Sunday FIFA.com looks ahead to the week's birthdays in the world of football, this edition taking in Serie A stars past and present in Angelo Peruzzi and Edinson Cavani, alongside Dutch star Rafael vander Vaart.
UEFA Europa League holders FC Porto have completed their purchase of Argentina defender Nicolas Otamendi, paying his former club Velez Sarsfield €4million to own his full economic rights.
A second-half Nicolas Otamendi header edged Argentina 1-0 past Venezuela in an international friendly, with Lionel Messi wearing the Argentinian captain band for the first time.
Barcelona, and new signing Cesc Fabregas, are set to compete for their second piece of silverware of the new season in the UEFA Super Cup when they face FC Porto, but coach Pep Guardiola remains cautious.
Ahead of Friday's 2011/12 Liga kick-off, holders Os Dragões remain favourites though traditional foes Benfica and Sporting have spent heavily on new blood in the summer.