N'Golo Kante will miss Chelsea's FA Cup third-round clash with Morecambe due to a hamstring injury.
The World Cup-winning midfielder is not expected to be out for long, but will not be ready take on the Shrimps on Sunday.
Andreas Christensen has a minor knee issue, while Reece James is not quite past a thigh concern.
Youngsters Tino Anjorin, Lewis Bate, Henry Lawrence, Tino Livramento and Jude Soonsup-Bell have trained with Chelsea's first team this week and could feature.
Brad Lyons could come straight into contention for Morecambe.
The 23-year-old Blackburn midfielder has joined the Shrimps on loan until the end of the season.
Morecambe are back in training after a Covid-19 shutdown while their players self-isolated for 10 days, and have a clean bill of health.
Manager Derek Adams was awarded the League Two manager of the month for December on Friday.
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