Costa returns in place of Willian after missing win over Leicester amid interest from Chinese clubs.
Robert Snodgrass misses out through injury and is replaced by Evandro, while Omar Elabdellaoui also starts.
Chelsea star Diego Costa has returned to face Hull
Chelsea: Courtois, Azpilicueta, David Luiz, Cahill, Moses, Kante, Matic, Alonso, Pedro, Costa, Hazard.
Subs: Begovic, Ake, Zouma, Chalobah, Fabregas, Willian, Batshuayi.
Chelsea train ahead of Hull clash
Fri, January 20, 2017
Express Sport brings you all the best snaps as Chelsea train ahead of their clash with Hull on Sunday
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Diego Costa was all smiles as Chelsea train before their clash with Hull
Antonio Conte's Chelsea can extend their lead at the top of the table with victory over Hull
Hull: Jakupovic, Maguire, Dawson, Davies, Elabdellaoui, Mason, Huddlestone, Clucas, Robertson, Evandro, Hernandez.
Subs: Meyler, Maloney, Diomande, Marshall, Niasse, Tymon, Bowen.