The Dutchman said: “I hate it when he calls himself the Special One.
“I don’t really know Mourinho that well. I think he is special. But not when he says it himself.
“It’s all about respect for the other managers. We always talk before games, about how difficult it is in England and that sort of thing.
“I talked to Aidy Boothroyd before we played Watford at the weekend because I respect him.
“I told him that when you are at a club like Watford, maybe he does a better job than the champions of England. How can you put it into perspective?
“What can I say about Chelsea? They are a great side, who have won five trophies in three seasons and have the opportunity to add one or two more this time.”