French side Olympique Marseille have confirmed Chelsea have made an approach for defender Cesar Azpilicueta.
With the start of the Premier League season looming large on the horizon, clubs are looking to finalise their squads. Chelsea have been active players in the transfer market already, bringing in Eden Hazard, Marko Marin and Oscar.
Blues boss Roberto Di Matteo may not be done though, with it believed that he wants to add a striker and defender - particularly a right-back following the departure of Jose Bosingwa.
He has held a long-standing interest in Azpilicueta and Marseille have confirmed the Blues have stepped up their interest in the Spanish right-back.
Marseille president Vincent Labrune revealed: "Chelsea have made a serious approach for Cesar."