"I don't think I have experienced it before in my career, but of course, in England he was at Liverpool, a big club," the Dutchman said of the fans' reaction.
"He said probably a few things about Chelsea and I have done that in the past because you are like a chameleon.
"You get the colours of the club you are at and that is what he did so I think after a couple of wins I feel he will win them over.
"It is not only about the manager, it is about the club and winning games. Hopefully he won't start tomorrow.
"I feel it is a must-win game for them. They have to probably win, to have a result, tomorrow otherwise that will be problematic."