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 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

Chelsea have on Tuesday confirmed the transfer of Mathis Amougou from Saint-Etienne. Sources told ESPN the deal for the midfielder is worth in the region of €15 million ($15.5m), and that the 19-year-old midfielder is more likely to join the Blues' first-team setup immediately as opposed to joining Chelsea's sister club Strasbourg on loan,

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 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.

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According to Fabrizio Romano, Chelsea are close to sealing the signing of midfielder Mathis Amougou from St Etienne. The 19-year-old will cost the club about £12 million.

Chelsea and Saint-Etienne are close to reaching a total €15m agreement in principle over Mathis Amougou (19) before the transfer window shuts today in France and the UK, according to Fabrizio

Chelsea are closing in on the signing of midfielder Mathis Amougou from Saint-Etienne after agreeing a deadline day transfer.