Chelsea sign Argentina's Barco from sister club Strasbourg

Chelsea FC has signed Argentine midfielder Valentin Barco from their sister club Strasbourg for approximately €40 million. The 22-year-old has signed a seven-year contract as part of the club's ongoing recruitment drive under manager Xabi Alonso.
Why it matters
This transfer highlights the controversial multi-club ownership model in modern football, where investment groups move players between affiliated clubs to manage assets.
Chelsea sign Argentina's Barco from sister club Strasbourg Valentin Barco was part of the Argentina squad that finished as World Cup runners-up, and he will now return to England with Chelsea. Chelsea have signed Argentina international Valentin Barco from their sister club Strasbourg, with the 22-year-old penning a seven-year contract at Stamford Bridge.
Barco, who made six Premier League appearances for Brighton in 2023-24, initially joined Strasbourg on loan in February 2025 before that deal became permanent last summer.
He made 58 appearances for the French club overall, with no other Strasbourg player featuring in more matches since his arrival (Ismael Doukoure also on 58).
Barco scored three goals and provided 11 assists for Strasbourg, where he played under Liam Rosenior prior to his short-lived stint in charge of Chelsea, then Gary O'Neil.
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