Our medical team have issued a fresh update ahead of Thursday night's Europa League last-32 second leg clash against Olympiacos.
Here's the latest:
Calum Chambers
Left knee. Ruptured anterior cruciate ligament of his left knee during Chelsea (h) on 29 December. Successful surgery completed. Rehabilitation process expected to take between six to nine months.
Sead Kolasinac
Right shoulder. Sead suffered a significant right shoulder injury during Everton (h) on Sunday. He will undergo further specialist assessments during this week.
Cedric Soares
Left knee. Progressing well with gym work.