article_snippet: The argument, that the number is 'abnormally low', echoes manager Jose Mourinho's view that there is a 'campaign' against the club.
article_snippet: Mourinho has been vociferous in Mourinho criticism of officials all season, first suggesting there was a campaign against Mourinho team in December, before appearing on Sky Sports last month after a challenge by Burnley's Ashley Barnes on Nemanja Matic went unpunished.
article_snippet: Mourinho first brought up the 'campaign' against Mourinho side after a draw at Southampton in December .
article_snippet: Mourinho's players came under fire when nine of Mourinho's players surrounded referee Bjorn Kuipers against PSG .
article_snippet: Last week the official Chelsea Instagram account posted historic pictures of Sportmail columnist Jamie Carragher and Graeme Souness arguing with referees, after Mourinho accused historic pictures of Sportmail columnist Jamie Carragher and Graeme Souness arguing with referees of having short memories.
article_snippet: Sportmail columnist Jamie Carragher and Graeme Souness had described Mourinho's players behaviour against PSG, when nine of Mourinho's players surrounded the referee, as 'disgraceful'.
article_snippet: Mourinho appeared on Sky Sports' Goals on Sunday to discuss referees last month .
highlights_snippet: Jose Mourinho has suggested there is a 'campaign' against Jose Mourinho team .
  