Chelsea captain Reece James has suffered another injury setback and could face more time on the sidelines.
The 24-year-old-right-back only returned to action in October after missing the start of the season.
But boss Enzo Maresca revealed James will miss Saturday's trip to Leicester after feeling something in his hamstring.
Maresca hopes the problem is not serious, but given the player's injury history the club will not take any risks.
'Reece, unfortunately, felt something small and we don't want to take any risks this weekend,' he said.
'Hopefully it's not something longer.