Chelsea have no timeframe for N'Golo Kante's return from a groin injury, with Frank Lampard stating they are taking a measured approach to restoring his fitness.
Kante has struggled with a series of injuries since April, the latest of which he sustained during the warm-up ahead of France's Euro 2020 qualifier against Iceland on October 14.
The midfielder sat out last weekend's 1-0 home win over Newcastle United and Wednesday's Champions League victory against Ajax and will not be available for the trip to Burnley on Saturday.
Lampard has no intention of rushing Kante back because he does not want him to suffer another setback in his quest to return to regular action.
"N'Golo won't be ready, he's training on his own with some physical work because he's had some physical issues. We need to get him right now because he's been in and out this season," said the head coach, who confirmed Ruben Loftus-Cheek, Antonio Rudiger, Andreas Christensen and Ross Barkley remain sidelined.
"I just want him fit. He's played a lot of football for the past four years, he's had a big injury off the back of last year. Now it's time to take a small step back and get his fitness up.
"He had a bad injury, he hadn't played since April. This is the fall-out of last season's injury for us. We've lost Ruben, we've lost Rudi and we've lost Kante."