Chelsea duo Antonio Rudiger and Reece James are both in doubt for Thursday's clash with Manchester United.
Blues boss Thomas Tuchel also confirmed Andreas Christensen might miss out, whilst Mateo Kovacic and Callum Hudson-Odoi will definitely not play.
Asked about team news, Tuchel said: "Kova will still be out, Ben Chilwell be out, and Callum [Hudson-Odoi] will still be out.
"Ton Rudiger was in training yesterday, same with Reece James. We have another training coming, and hopefully, they can do full training and give us the green light. We have hopes they can be in the squad a play tomorrow.
"The same with Andreas, we need another examination because he felt sick and will come back to training from today. Ross Barkley is sick as well and will not be in the squad."