Barca coach Tito Vilanova is in a real dilema over Argentine defender Javier Mascherano. If the doctors decide to give him the nod, Vilanova will almost certainly use him given the state of the Barca defense of late. Javier Mascherano has been out of action for a whole month and one wonders whether it would be wise to use him against Bayern Munich. Should Javier Mascherano play?