"Why should I shut up?
"I'm not allowed to talk about referees? But he was allowed to do it for the last 20 years of his career?
"What's the difference between me and him?
"What would he say if
The Blues boss tried to draw some of the sting by paying his respect but he could not resist listing times when he believes United have been helped by decisions.
He said: "I have 100 per cent respect for him, the players, the club, the team they have and for the wonderful league campaign they are doing. That's one part of the story.
"But the other part of the story is in the right moment, they've had a penalty, or a goal, or a sending off — something happened for them.
"They have a great team and are doing a great job. We are champions and I have to adopt the attitude of champions and be honest with them."
He added: "That's what I was saying to my players, no chance. If you remember last season we were in the hotel and Man United drew at home against
"That's the kind of thing that happens. The second team can hand the championship on a plate, like the breakfast on a tray. No, no, no. No chance."