"Roberto is a coach whom supporters love one day and hate the other, but he is a very good professional, one of best," said the Argentine.
"I think he is a very tough coach. He wants the best from each player and that's okay."
Zabaleta also revealed that he finds it hard to adapt to the weather in England.
"But I don't like to go out too much. Maybe winter is the only thing that South American players don't adapt to in England."