Chelsea sign Strasbourg defender Sarr for £12m

Chelsea sign French defender Mamadou Sarr from Strasbourg for £12m in an eight-year deal, eligible to play in Club World Cup matches in the US this month. The 19-year-old's transfer was agreed between Chelsea and Strasbourg in January. Sarr to join Enzo Maresca's team against LAFC, Flamengo, and ES Tunis in Group Stage games.