The Portuguese coach, who has had two separate spells at Stamford Bridge, takes his current club to west London looking to close the gap to league leaders Manchester City.
And according to The Sun, Abramovich hopes to meet up with Mourinho after Sunday’s match – though it is not yet known if Mourinho, who was sacked twice by the Russian billionaire, accepted the invite.
The invite comes at a rather curious time, however, with current Chelsea boss Antonio Conte under increasing pressure amid rumours of a fallout.
Abramovich made a rare visit to the club’s training ground to talk with Conte last Sunday, while it has been reported that the Italian’s conduct over the summer erased any goodwill between him and Chelsea’s hierarchy.
Although Abramovich could just be looking to meet up with a manager who won him three Premier League titles in two separate spells, Mourinho has never painted their relationship in such a way.
‘He was never my friend,’ the Portuguese coach has said previously. ‘We always had the relationship of owner-manager.