The former Italy manager had a year remaining on his current contract and had already taken charge of pre-season preparations at the club's Cobham training ground outside London.
Former Chelsea club captain John Terry has paid a fitting tribute to Antonio Conte, who was sacked as manager of the club on Thursday in a decision that was highly expected from ardent fans of the club.
Former Juventus boss Conte is rumoured to have fallen out with Chelsea's hierarchy over transfer policy, while their disappointing fifth-place finish in the Premier League - just a year after winning the title - fuelled suggestions he would be dismissed.
Sarri's arrival could also pave the way for Jorginho to complete his move to Chelsea soon.
Morata was an expensive acquisition of Conte's, but the striker failed to maintain form through-out last season after a blistering start to the campaign.
U.S. warns of sanctions risk for firms invested in…
History has shown that Russian Federation has a penchant for attempting to control Europe by cutting off energy supplies. I think it's very bad for Germany.
Contrast that to the end of his first season at the club, where Conte was feted for leading Chelsea to the league title by seven points after a record-breaking run of 13 straight wins in the middle of the season, sparked by an inspired and bold change of formation.
Reports suggest Chelsea will draft in Maurizio Sarri to fill the managerial void. This text will now form the basis of Chelsea's evidence against their former manager.
Hazard has been on Real Madrid's radar for a while, and with Cristiano Ronaldo gone, you would expect them to make a move for the Belgian in the coming days.
Like a number of his predecessors, Conte has been dismissed the season after winning a major trophy, pointing to silverware being no guarantee of job security at Stamford Bridge.
Trophies: Premier League 2016/2017, FA Cup 2018.
The question after Antonio Conte's departure from Chelsea on Friday was not 'where did it all go wrong?' but rather 'why did it take so long?'.