The falling-out attracted nothing but bad press and negativity for the Chelsea manager and he had a huge task on hand to find a suitable replacement for Costa.
Chelsea manager Antonio Conte could be sacked at any moment. "Performance-wise, I didn't recognise us or myself".
Sources at Stamford Bridge point to the fact Chelsea remain in the top four, and are still in the Champions League and FA Cup, as reason not to make a change at the present time.
Conte also refused to accept injuries and fatigue are the reason for the stark difference in Chelsea's performances in results from his first season where they didn't have the distraction of European football.
"But don't forget there are still some very good players left at the club". If the Italian was given the freedom to select his own players perhaps he would have gotten a better return from £73 million than Davide Zappacosta, Danny Drinkwater and Ross Barkley. "But he is a great loss for us".
Army officer, three soldiers martyred in Pakistan firing on LoC in Rajouri
Veeri said dialogue and reconciliation is the only way to restore peace along the borders in Jammu and Kashmir and in the mainland.
"When you had Matic sat in front of you, alongside Kante, there was protection". Why throw that away?
Avram Grant, Roberto Di Matteo, Rafa Benitez and Guus Hiddink have all taken the reins of Chelsea on an interim basis in recent seasons following the dismissals of Jose Mourinho, Andres Villas Boas, Di Matteo himself and Jose Mourinho.
Thibaut Courtois is considering his Chelsea future and says his "personal situation" means he is looking at the potential of a move to Spanish giants Real Madrid. "But this is not my way", added the 48-year-old former Italy coach.
He believes for Chelsea to be more successful there needs to be continuity at the club.
Abramovich runs Chelsea like a spoiled child. It could prove to be a pivotal month for Conte and the club.
Twitteratis asks | If Sachin deserves Bharat Ratna then why not Rahul Dravid?
"At least if they become good first class cricketers, from then on it becomes a stepping stone to play for India ", he said. The whole planning and preparation that has gone into, not necessarily for this World Cup, but in developing these players.
For those who are less concerned with portents, omens and historical quirks, Chelsea's next few games represent a more tangible threat to Conte's position.
This behaviour is not uncommon amongst oligarchs and billionaires who come to view their fortunes as the tangible proof of their superior intuition. He knows the players he wants to bring in.
This is why Chelsea's transfer policy has been so ridiculous over the past decade. Otherwise, the club can take a different decision.
Their expected goals per game is only slightly down, though, falling from 1.49 to 1.44, while goals conceded has only risen marginally - up to 0.88 from 0.87 per game. "My desire and my will are to continue to work with this club".
Chelsea head coach Antonio Conte, who was in big trouble, will leave the team in this summer.
Barnier warns Britain over post-Brexit trade
The subject is so sensitive that the Prime Minister has previously declined to authorise any formal discussion in the group. The news comes as European Union chief negotiator Michel Barnier is due to meet prime minister Theresa May in London today.
Conte's sixth and final mistake has been related to Chelsea's training.