Michael Essien enjoyed his visit to Old Trafford and posed for pictures with Jose Mourinho and Sir Bobby Charlton.
Essien labelled Mourinho as 'daddy' in his caption and also shared a snap of himself with Sir Bobby Charlton.
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The 35-year-old wrote: 'Good to see daddy Jose Mourinho and the great legend Sir Bobby Charlton.'
The Ghanaian now plies his trade for Persib Bandung in Indonesia but his most successful years were spent at Stamford Bridge.
He claimed the Premier League title, FA Cup and League Cup under Mourinho's stewardship and clearly still possesses a strong relationship with the Portuguese.
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The United boss is now in pursuit of silverware at a new club and watched on as his side advanced to the knockout stage of the Champions League.