Chelsea confirmed the signing of 19-year-old midfielder Mathis Amougou from Saint-Etienne on Tuesday. Amougou, who made 17 top-flight appearances for the French club, signed an eight-year contract at Stamford Bridge.

Chelsea are set to sign St Etienne midfielder Mathis Amougou for fee of around £12m. The 19-year-old is considered an exciting talent for the future but he will also boost manager Enzo Maresca's midfield options,

Chelsea have tied up the signing of Saint-Étienne midfielder Mathis Amougou.Amougou has enjoyed a breakthrough season for Eirik Horneland's side with 17  senior appearances in their first season

French teenager Mathis Amougou on Tuesday signed for Chelsea from Saint-Etienne in a deal reported to be worth €15 million.

Chelsea have signed midfielder Mathis Amougou from Saint-Etienne for a fee of about £12m. The 19-year-old has committed to an eight-year deal and is considered an exciting talent for the future.

Chelsea have completed the signing of young midfielder Mathis Amougou from French Ligue 1 side St Etienne. The talented midfielder joined the Blues for a fee of 15 million Euros. The 19-year-old is expected to stay at Stamford Bridge for the next eight years but will be sent on loan to Strasbourg next season.

Chelsea announced the signing of Amougou from Saint-Etienne on a staggering eight-year contract. The 19-year-old is reported to have cost around £12 million ($15m) and he is expected to go into the club's first-team squad.