Jose Mourinho has instigated a crackdown on Manchester United players’ use of social media.

The United manager is frustrated with how much the players make public online and has brought in a strict new set of rules governing what they can and cannot publish on Twitter, Facebook, Snapchat and Instagram.

The United first team have been told that the club does not want them to publish any pictures from training, from the 48 hours leading up to a game or especially from the team bus on the way to games.

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Mourinho wants to restrict the flow of information out of the club, especially at sensitive times, and also wants to make sure his players are fully focused on match-days.

United have been especially aware of players’ social media posts painting the club in a bad light recently, and players who have been thought to have given too much away have been reprimanded.

When Luke Shaw posted footage of himself training at home in November as he recovered from an injury, Mourinho was furious. Shaw was upbraided by Rui Faria for painting the club in a bad light, as if the video suggested United were not doing their own job properly to get the player fit.