Chelsea sign St-Etienne teenager Mathis Amougou in £12m deal

The 18-year-old midfielder joins Chelsea to boost Enzo Maresca's options in the middle of the park.

Feb. 5, 2026 at 8:07pm

Chelsea have agreed a £12 million deal to sign 18-year-old midfielder Mathis Amougou from French club St-Etienne on deadline day. The transfer will bolster Chelsea manager Enzo Maresca's midfield options as the club looks to strengthen its squad.

Why it matters

Amougou is considered one of the top young prospects in French football, and his signing represents a significant investment by Chelsea in their long-term future. The deal also highlights Chelsea's continued focus on identifying and acquiring top young talent to develop within their academy.

The details

The £12 million transfer fee will see Amougou, who has made over 50 appearances for St-Etienne's first team, join Chelsea on a long-term contract. The 18-year-old is expected to initially join Chelsea's youth setup before potentially breaking into the first-team squad in the coming seasons.

  • The transfer was completed on the final day of the January 2026 transfer window.

The players

Mathis Amougou

An 18-year-old French midfielder who has been playing for St-Etienne's first team.

Enzo Maresca

The current manager of Chelsea Football Club.

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What they’re saying

“Mathis is an exciting young talent and we're delighted to have secured his signature. He will be a great addition to our squad and we look forward to supporting his development in the years to come.”

— Enzo Maresca, Chelsea Manager

What’s next

Amougou is expected to join up with Chelsea's youth academy immediately and work towards breaking into the first-team squad in the coming seasons.

The takeaway

Chelsea's signing of the highly-rated Mathis Amougou demonstrates the club's continued commitment to investing in young talent and building for the future, as they look to strengthen their midfield options and develop the next generation of stars.