Jose Mourinho claims to be 'more at peace' and he can transmit that serenity to his players

Jose Mourinho believes he has matured and is therefore better able to "transmit his serenity" to the Manchester United players.

The 54-year-old Portuguese, who first arrived in the Premier League with Chelsea in 2004, has spent almost a decade causing controversy in England, and he twice left the Blues under a cloud.