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

EXCLUSIVE Chelsea is set to sign talent Mamadou Sarr from Strasbourg Agreement between the player and Chelsea for a long term contract ➡️ Negociation ongoing between the clubs - both own by BlueCo - transfer fee around 20M€. Strasbourg will keep the defender on loan. pic.twitter.com/u9wmtknsRT

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