Chelsea have signed 19-year-old defender Mamadou Sarr from Strasbourg on an eight-year deal. The France Under-19 international played 27 times in Ligue 1 last season, his first full campaign in the top flight, as they – managed by Liam Rosenior – finished seventh to qualify for the Conference League.

French defender Mamadou Sarr has joined Chelsea from Ligue 1 side Strasbourg on an eight-year contract, the Premier League club said on Monday.Financial details of the deal were not disclosed, but British media reported that Chelsea signed Sarr in a deal worth around 14 million euros ($16 million).

Chelsea transfer news as Mamadou Sarr arrives as the third signing of the summer after Liam Delap and Dario Essugo