Leicester manager Brendan Rodgers says midfielder Youri Tielemans will be out "for a few weeks" with the calf injury he sustained against Leeds.
Marc Albrighton is fit again but James Justin isn't yet ready to return.
Chelsea forwards Romelu Lukaku and Timo Werner are back in training, with head coach Thomas Tuchel expected to give an update on their fitness during Friday's press conference.
Mason Mount may be available following dental surgery.
MATCH FACTS
Head-to-head
- Chelsea's 2-1 home victory against Leicester in May ended their six-match Premier League winless run in this fixture (D4, L2).