"Of course every player in world football has his price but he's a massive part of our squad and he won't be going anywhere in the transfer window.
"I think for the last 10 days his work ethic has been outstanding. He's trained very well and been in great spirits.
"He's been laughing and joking, he's been the leader of the pack. He's been in good form.
"Every player has little dips and it's about how you react. He's reacted in positive fashion and we're delighted with him.
"I've spoken to him on numerous occasions. When you think of the ability of the guy and what he has to offer, he's a big asset. We're delighted to have him here.
"There won't be anyone coming in during the window. We're thrilled with the young players coming through here and we'll crack on with what we've got.
"Our squad is a big squad and if we lose players we have others who can fill the gap."