"I am really pleased to be here. I have very good memories," said the Reds boss.
"I think always in the Champions League you are thinking about winning every game because it is a short competition - so really we are under the same pressure as before.
"We know Marseille was a bad result but we are talking about just two games we've played. If we win this game things will look better.
"If we do the right things we know we are strong. We just have to do our job, it's simple."