It's always been known that Conte would be dismissed with Sarri the favoured replacement, yet it was somehow allowed to get to the stage where the former Italy coach took the first three days of pre-season training before being dismissed.
Chelsea finally ended months of speculation by "parting company" with Antonio Conte bringing to an end a two year stay which included winning the title in his first season.
The London club says, "We wish Antonio every success in his future career".
Juventus' recent dominance of the Italian top flight was nearly ended by Sarri's swashbuckling Napoli side last season.More news: Netflix has just become the top Emmy-nominated network
Only the pay was improved, though, with Conte's contract still running for just another two seasons - hardly a show of commitment by either the club or its manager.
He was replaced by former Chelsea boss Carlo Ancelotti in May with the Naples club seeking to end Juventus' dominance in the league.
Leaving Stamford Bridge was always the likely outcome for Conte following a season in which Chelsea missed out on Champions League qualification after a fifth-place league finish, 30 points behind champion Manchester City.
Chelsea take on Huddersfield Town in their opening fixture of the new Premier league campaign on August 11. Jorginho will also join.
He also clashed with senior players such as Diego Costa and David Luiz while others had begun to grow tired of his methods. Attention will then turn towards securing Sarri and Chelsea's other summer targets, believed to include players such as Aleksandr Golovin and Daniele Rugani.