
Enzo Maresca has made three changes from the 4-3 win at Tottenham last week, as Malo Gusto, Tosin Adarabioyo and Noni Madueke all start.
Pedro Neto is suspended for this game.
See the line-up below
Chelsea starting XI: Sanchez, Gusto, Tosin, Colwill, Cucurella, Caicedo, Fernandez, Madueke, Palmer, Sancho, Jackson.
Subs: Jorgensen, Acheampong, Disasi, Veiga, Rak-Sakyi, Dewsbury-Hall, George, Nkunku, Guiu
Brentford XI: Flekken, van den Berg, Collins, Pinnock, Roeslev, Norgaard, Yarmolyuk, Damsgaard, Lewis-Potter, Mbeumo, Wissa