They are three points ahead of Arsenal and six points above rejuvenated Manchester United, hence, Saturday's game is a very important clash they can't afford to perform below expectations.
When asked about which position he wanted to strengthen, Sarri gave no clear answer but informed that he has made the Blues aware of his opinion on the players that they should sign. I don't like the national teams because there is not anything to learn from them.
"As you know very well I am not involved in the market".
But, having helped England win the Under-17 World Cup, Hudson-Odoi could follow the same path taken by his worldwide teammate Jadon Sancho, who has impressed for Borussia Dortmund since leaving Manchester City for Germany. "In my opinion, we need two players", he said.
"At the moment Morata is here, so I think he has to think only to play". He's got unbelievable qualities.
"He is one of the best (young players) in Europe". You are better off getting your chance and if you get that chance then you have to take it.
Alex Apati of Ladbrokes said: "It's looking increasingly likely Willian will be a Barcelona player come close of play this month".
He is on an €18-million season-long loan from Juventus with a €36m clause to make the deal permanent in the summer, meaning Chelsea would have to negotiate with the Bianconeri as well as the Rossoneri to sign him this winter.
Hudson-Odoi, 18, has been strongly linked with a move to Bayern in recent weeks.
Chelsea defender, David Luiz has revealed that he will return to Benfica when he finally leaves Stamford Bridge.
The Blues manager stated that he is not the controlling the transfer market but admitted that the Blues need two players.