Chelsea boss Maurizio Sarri names an unchanged side from the 3-0 win at Huddersfield last weekend with Eden Hazard on the bench.
Here are the lineups for both teams:
Chelsea XI: Kepa, Azpilicueta, Rudiger, Luiz, Alonso, Kante, Jorginho, Willian, Barkley, Pedro, Morata
Subs: Caballero, Hazard, Moses, Kovacic, Giroud, Zappacosta, Christensen.
Arsenal XI: Cech, Bellerin, Sokratis, Mustafi, Monreal, Xhaka, Guendouzi, Mkhitaryan, Ozil, Iwobi, Aubameyang
Subs: Leno, Elneny, Ramsey, Lacazette, Torreira, Lichtsteiner, Welbeck
Come on CHELSEA!!!