Chelsea may need to monitor Andreas Christensen, who has been unwell, but Mason Mount and Jorginho are available again after serving European suspensions in midweek.
The Blues will assess Tammy Abraham, who is back in training after an ankle problem, but Thiago Silva remains out.
Sheffield United are without on-loan defender Ethan Ampadu, who will not be permitted to face his parent club.
David McGoldrick has been nursing a knee injury but is fit to play.
LAWRO'S PREDICTION
Sheffield United were mauled by Leicester last week in their first game without Chris Wilder in charge.