Without Tevez, there was only Messi up front. Let's be honest, our defense is no

Without Tevez, there was only Messi up front.
Let's be honest, our defense is not that good to begin with. When pushing for width and adding help to the front, especially when one of the forwards is missing, it became even wearker... I mean, the best defenders we have playing are probably Zanetti and Demichelis, one is old, one had barely made a name for himself.