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Jose Mourinho is to launch an internal investigation into how Manchester United's starting line-up was leaked ahead of Saturday's clash with Chelsea.

According to Mail Online, the Portuguese manager was left fuming after waking up at the team's hotel to find his selected 11 accurately posted on social media, giving his opponent an insight to his selection for the clash which ended 2 - 2.

Only players and backroom staff had knowledge of the starting line-up, now the coach wants to find out exactly how the information got out.

This is the second time Mourinho's team list has been leaked. Last month,United's trip to West Ham ended in a 3 -1 defeat after his started line-up got leaked.