Chelsea (3-4-3): Kepa; James, Chalobah, Sarr; Hudson-Odoi, Kovacic, Saul, Alonso (c); Ziyech, Havertz, Barkley.
Subs: Bettinelli, Sharman-Lowe, Chilwell, Rudiger, Thiago Silva, Jorginho, Mount, Vale.
Southampton: Forster, Valery, Lyanco, Salisu, Walker-Peters, S.Armstrong (c), Diallo, Tella, Djenepo, A.Armstrong, Adams.
Subs: Lewis, Bednarek, Livramento, Smallbone, Perraud, Romeu, Redmond, Walcott, Long.
The referee is Kevin Friend.