However, his side's performances in the Premier League has been nothing to write home about - winning seven and drawing five of their last 17 matches.
Mourinho takes charge of Tottenham with the club 14th in the Premier League, with just three wins from their opening 12 games and without victory in their last five league matches.
They were also knocked out of the EFL Cup by Derby County, and have been drawn to play Paris Saint-Germain in the Champions League knockout stage.
'You Can't Beat Us At Stamford Bridge'- Chelsea Star Willian Warns Arsenal Ahead Of EFL Cup Semi-Final Today
Chelsea forward, Willian has insisted that reigning Premier League champions are 'confident' of beating Arsenal to reach the Carabao Cup final on Wednesday.
The Welshman is expected to leave the Gunners after 11 years this season, having failed to agree a new deal with the Premier League club.
Maurizio Sarri has revealed the area Chelsea still need to improve despite their perfect start to the new Premier League season.
The Red Devils have just earned 10 points in seven matches in the Premier League as they travel to Tyneside to face Newcastle.
Liverpool midfielder Fabinho criticised by fans for his 'dreadful' full debut performance vs Chelsea
He has still yet to appear in any of the club's Premier League matches, and has only made two appearances to date; one of which came as an injury time substitute in Liverpool's Champions League defeat of PSG.
How he haunted Arsenal: Cole's decision to move in search of silverware proved to be a good one in the end as he ended his Chelsea career having won the Premier League, the Champions League, the Europa League, four FA Cups and a League Cup.
Liverpool - Loris Karius Two catastrophic blunders in the Champions League final against Real Madrid may have reduced a legion of Liverpool fans and Karius himself to inconsolable tears, but the once-commanding Karius should not be banished into footballing