Chelsea can take control of Champions League Group C with victory at Roma tonight.
The two sides played out an entertaining 3-3 draw at Stamford Bridge two weeks ago, with first-place Chelsea currently two points clear of Roma in second.
Antonio Conte could recall N'Golo Kante for the crunch clash after he took part in training on Monday, having been absent since suffering a hamstring injury on France duty in early October.
The Chelsea boss said: "Our group is a tough group, Roma and Atletico Madrid are two really strong teams and to stay at the top is very important.
"Last week we went through to the next round of the Carabao Cup, then we won the last two games in the Premier League. For sure Roma will be a really tough game.
"We must pay close attention because Roma are in good form.
"It is important for us to overcome this difficult period because we are getting important players back and you know how important it is for me to have all the players available."