"Of course, I welcome the signing," the Dutchman told Liverpoolfc.tv following our goalless draw with Villarreal. "We just needed a few small details, a few new players in order to make a big difference to our season.
"Hopefully Robbie can do very well for us. He has shown, particularly last year but also the years before that, that he is a quality player. He is one of the better players in the Premier League, and that's what we need.
"Hopefully he can do for us what he did for Spurs."