Chelsea have signed youngster defender Kurt Zouma from Saint Etienne on a five-and-a-half year deal for £12m, according to the BBC.
The 19-year-old centre-back will stay at Ligue 1 for Saint Etienne on loan spell for the rest of the current season.
The Frenchman has started his career with Saint Etienne and since then he has made 52 appearances for the Ligue 1 side, scoring four goals.
Zouma becomes the Blues’ fourth signing of the transfer window and Chelsea manager Jose Mourinho has confirmed that Zouma would be his last target in the January transfer window.
With the arrival of Zouma at Stamford Bridge, It will be a doubtful future for duo established defenders John Terry and David Luiz.