Higuian Messi
Di Maria Veron Jonas
Mascherano
Heinze Samuel Demichelis Otamendi
That's the line-up they played against Germany and is apparently what they have settled on tactically. 4 centre halfs so Jonas doesn't have a full back to link up with in the same way he does Enrique, apparently he's in the team to just do the running all game long, covering and hastling everybody - they don't really see him as an attacking threat in the same way he is with us. Makes sense I guess because that will probably get the most out some of his best attributes (stamina and workrate).