Chelsea will be without striker Armando Broja, but Benoit Badiashile could be involved. Enzo Fernandez and Moises Caicedo are available following international duty in South America.
Arsenal will make late assessments over Bukayo Saka, William Saliba and Leandro Trossard.
The only issie I see there is I have only just got rid of the Havertz/Shakira earworm and that will just slap it straight back into my stupid adhd brain.