The Frenchman was the subject of a £10 million bid from Arsenal over the summer and was set on a move to the Emirates Stadium but the Magpies held firm and the 52-year-old expects him to play a key role at St James's Park.
|17/2||Newcastle are 17/2 with BetVictor to beat Hull City Tigers 2-0
"He's a player who carries the heartbeat and the rhythm of the team.
"There are not many players who can do that and there were moments when he did it here but he will get better because he isn't 100 per cent yet.
"We all know that, if someone comes along and offers you substantially more money to join another organisation, it can turn your head - and it did turn Yohan's head. I would not say he's perfect in what he did but his attitude has been perfect since the transfer window shut.
"It was nice the fans gave him a good reception when he came off. He'll sleep better knowing he has the backing of the team, the manager and a huge part of the fanbase."