Chelsea goalkeeper Djordje Petrovic could make his home debut as Robert Sanchez is nursing a knee problem.
Reece James is out with yet another hamstring injury and Marc Cucurella's ankle issue is likely to keep him out.
Sheffield United duo Oli McBurnie and Oliver Norwood return from suspension, while George Baldock and Ben Osborn will be included in the squad.
Defender Jack Robinson will serve a one-match ban as a consequence of accumulating five yellow cards.
MATCH FACTS
Head-to-head
- Chelsea have won five of their past seven Premier League games against Sheffield United, drawing one and losing the other.