Chelsea manager Jose Mourinho insists he has no regrets over his running battle against referees this season . The Blues manager has been outspoken in his views regarding Chelsea 's treatment by officials , even claiming there is a 'campaign ' against the Stamford Bridge club . Earlier this week the club took an unusual step of posting an article on their official website claiming they had been awarded an 'abnormally low ' number of penalties this season - just two in the Premier League . Jose Mourinho has backed the club website 's claim that they receive an 'abnormally low ' number of penalties . Jose Mourinho leans around Nemanja Matic to watch Eden Hazard in training on Friday afternoon . Mourinho has clashed with officials several times this season , claiming there is a campaign against his team . Chelsea stars pose for a photo ahead of their trip to Hull as they hope to extend their lead at the top of the table . Juan Cuadrado runs with the ball , chased by Eden Hazard , as Chelsea were put through their paces on Friday . Gary Cahill holds off Matic , whose red card against Burnley sparked one of Mourinho 's outbursts . The 'penalty puzzle ' article was published this week on Chelsea 's official website . Chelsea were angered last weekend by referee Mike Dean 's refusal to award Branislav Ivanovic a penalty . Referee Dean had some tough calls to make in Chelsea 's draw with Southampton but made most correctly . Click HERE to read what chief sports writer Martin Samuel had to say when he covered the subject in his colum last month . Mourinho is admant he was not behind the article - but insisted he has not had any second thoughts about his stance against referees this season . 'Did I know about the article ? No , I ’ m just the first team manager , ' said the Portuguese , whose side face Hull on Sunday . ' I never regret when I speak from my feelings , I never carry it , the consequences . 'Was I surprised to see article ? No . Did I think it was opinionated ? No . Not for me . ' I don ’ t think the writer is going to win the Pulitzer with that article . It ’ s just the numbers . Mourinho , who was asked last week if Chelsea would get another penalty this season , issues instructions . Chelsea have been awarded five penalties in eight Champions League games , including against PSG . Jose Mourinho believes his team have the advantage , but claims the Premier League title race is . Chelsea are six points clear at the top of the league after their draw against Southampton last weekend . 'You gave so much importance to that article that I read it . It ’ s just an objective article . The number of penalties each team have in favour or against is another stat . 'It ’ s been working against us since the beginning of the season . That won ’ t change . 'The numbers always tell the truth . It ’ s just pure numbers . 'No agenda , no intention . Just numbers . ' Hull boss Steve Bruce was critical of Chelsea 's players after the first clash between the two sides this season after two Chelsea players were booked for diving . Willian and Diego Costa both received yellow cards for simulation in the encounter , while Bruce called a Gary Cahill tumble in the area like something out of 'Swan Lake ' . And when asked whether Bruce 's comments in December has worked against Chelsea , the Blues boss added : ' I do n't know , I don ’ t speak about it . I can ’ t . ' I ’ m punished , I don ’ t want to spend my energy thinking about the negative decisions and the points it cost us . ' I just want to focus all my energy , and now we have lots of time for that , which we didn ’ t when were in all the cups . 'So we focus on the training , analyse opponents , I want to focus on that . Two months to go and in two months we can be champions . '
Chelsea had published article citing 'abnormally low ' number of penalties . Jose Mourinho says article was 'objective ' and insists he has ' ever seen a team punished so harshly for such an offence'