Chelsea have agreed a fee in the region of around €13-15 million ($13.5 - $15.6m) for Strasbourg center-back Mamadou Sarr.

Chelsea are set to sign French defender Mamadou Sarr from partner club Strasbourg. The £11.9m deal for the 19-year-old central defender, who has played just 14 times for Strasbourg, is with a view for him to join in the summer.

According to a report from RMC Sport journalist Fabrice Hawkins, Chelsea are set to sign Mamadou Sarr (19) from sister club RC Strasbourg Alsace on a long-term contract (although it is not yet known

Chelsea are close to a deal for 19-year-old Mamadou Sarr to join the club from sister side RC Strasbourg this winter as manager Enzo Maresca looks to fix his defence.

Signing Mamadou Sarr for a Bright FutureChelsea’s proactive approach in the transfer market continues as they reportedly secure their first signing for the January

Chelsea have acted in the January transfer market with the Blues making a move to sign defender Mamadou Sarr from sister club Strasbourg

Chelsea have agreed to their first January transfer with Mamadou Sarr joining from Strasbourg. He will then be loaned back to Strasbourg for the remainder of the season. Strasbourg is also owned by BlueCo,

Chelsea are closing in on a deal worth around £12million to sign 19-year-old defender Mamadou Sarr from Strasbourg. Strasbourg are owned by BlueCo, the parent company of Chelsea, and Sarr will move to Stamford Bridge in the summer.

Chelsea are reportedly set to sign Strasbourg defender Mamadou Sarr in a deal worth around €20million, with the player agreeing to the move. The talented 19-year-old looks like an outstanding prospect and should end up being a good investment by the Blues if he continues to develop at his current rate.