Kepa Arrizabalaga has been called into Spain's parallel training group as Luis Enrique covers all bases amid a COVID-19 scare.
Edouard Mendy hurt his ribs against Aston Villa on Sunday, but Thomas Tuchel has not ruled him out of the Champions League final yet.
Chelsea are reportedly looking to sign Harry Kane with a move involving Kepa Arrizabalaga and Tammy Abraham.
Antonio Rudiger and Kepa Arrizabalaga were involved in a training ground confrontation, Thomas Tuchel has confirmed.
He has been usurped as Chelsea's first-choice goalkeeper by Edouard Mendy, but Thomas Tuchel has not written off Kepa Arrizabalaga.
Kepa Arrizabalaga made an error and Timo Werner missed a penalty in a 3-1 win over Luton Town, but Frank Lampard backed both players.
Tammy Abraham's hat-trick against Luton Town sent Chelsea into the fifth round of the FA Cup to lift some of the pressure on Frank Lampard.
Edouard Mendy will be rested when Chelsea face Krasnodar in the Champions League, giving Kepa Arrizabalaga a chance to return.
Manchester City are reportedly eyeing a move for Lionel Messi in the New Year.
Chelsea will again be without Christian Pulisic when they face Sheffield United on Saturday due to a hamstring injury.