"France must have some really good defenders if he can't get into their side but he will do one day. He has just got to keep doing what he has been for us and I am sure he will get better and better.
"If you put him through a computer, what you wanted from the perfect centre half, I am sure that a player like Silvan would come out. He is 6'3", quick, strong and he knows exactly how to use the ball.
"He hasn't put a foot wrong for us and I am delighted with him. He has been outstanding and you can build things around players like that."