Chelsea manager Frank Lampard doubts Ben CHilwell and Reece James will face Arsenal on Boxing Day.
And the Englishman confirmed Hakim Ziyech would miss the clash at the Emirates.
"They are both doubtful," said Lampard.
"I can't give you an answer at the moment. I'm not sure if they will be fit for either game.
"Hakim Ziyech won't be fit for Arsenal."
On Ziyech, Lampard continued: "He had an injury at the start of the season and he's just got another muscle injury. You have to wait for it to recover.
"It's not a long-term concern, we hope to have him back within the next week or so, and hopefully offering what he was before."
