“Is Chelsea manager Jose Mourinho right when he says there is a campaign to influence referees’ decisions against his side? Following his team’s 1-1 draw at Southampton on Sunday, Mourinho said: ‘The media, commentators, other managers are all doing it [putting pressure on referees].’ BBC Sport looks at games in which the Portuguese has complained about refereeing decisions but also at matches where opposition managers have criticised those that have gone in Chelsea’s favour.” BBC (Video)