I used:
Argentina
-------------------Abbondanzieri--------------------
----------Ayala----------------------Heinze---------
Coloccini---------------------------------------Sorin
-------------Mascherano----------------------------
-----------------------------Cambiasso-------------
-----------------------Aimar------------------------
--------------Messi-----------------Tevez----------
-----------------------Crespo-----------------------
GK- Abbondanzieri
CB- Ayala
CB- Heinze (or you can use Milito)
RB- Coloccini (or you can put Zanneti, but I remove him to play the WC)
LB- Sorin
DMF- Mascherano
CMF- Cambiasso
AMF- Aimar (or you can put Riquelme, but I remove him)
SS- Messi
SS- Tevez
CF- Crespo
Barcelona
-----------------------Valdes-----------------------
-----------Puyol---------------------Thuram--------
Zambrotta---------------------------------------Gio
----------------------Marquez----------------------
----------------Xavi-------------Deco--------------
----------------------------------------------------
--------Messi-----------------------------Dinho----
-----------------------Eto´o-----------------------
GK- Valdes
CB- Thuram
CB- Puyol
RB- Zambrotta
LB- Gio
DMF- Marquez
CMF- Xavi
CMF- Deco
SS- Messi
SS- Dinho
CF- Eto´o