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Chelsea play host to Barnsley in the third round of the Carabao Cup, and Blues boss Frank Lampard has named a very strong team to start the game.
Caballero returns to goal for his first game of the season, and there are starts for Kai Havertz and Thiago Silva, with Ben Chilwell on the bench.
Chelsea (4-3-3): Caballero; Azpilicueta (c), Tomori, Thiago Silva, Emerson; Barkley, Kovacic, Mount; Havertz, Abraham, Hudson-Odoi.
Subs Baxter, Zouma, Chilwell, James, Jorginho, Giroud, Werner.
Barnsley (5-3-2): Collins; Ludewig, Sollbauer, Halme, Williams, Styles; Ritzmaier, Mowatt, Woodrow; Frieser, Schmidt.
Subs Walton, Oduor, Moon, Simoes, Chaplin, Adeboyejo, Thomas.
Referee: Darren Bond.