Manchester City buys 19-year-old Mathieu Detourbet from Troyes, loans him immediately to Monaco.

Manchester City has signed 19-year-old French winger Mathys Detourbet from fellow City Football Group club Troyes for around €25 million ($28.5 million), according to Associated Press. The teenager, who joined the Troyes academy at age eight, will immediately head out on loan to AS Monaco for the 2026-27 season rather than compete for a spot at the Etihad Stadium.
Troyes announced the deal on X and on its website without giving financial details, kdhnews.com reported. The €25 million fee is the largest in Troyes' history and matches what CFG received for Savinho — a winger moved between CFG clubs just two years ago.
Detourbet spent his entire footballing life at Troyes, joining the academy aged eight. This past season in Ligue 2, he made 33 appearances, scoring 3 goals and adding 6 assists, according to FotMob. His performances helped Troyes win promotion back to Ligue 1 with a 3-0 victory over Saint-Étienne in April 2026, per RMC Sport.
The fee represents a 312% jump from the €8 million offer AS Roma made just nine months ago, which Troyes rejected. Troyes president Edwin Pindi said the club is "particularly proud to have supported Mathys' growth both as a player and as a man." Scouts have compared Detourbet's style to a "right-footed Cole Palmer."
Detourbet will not go to another CFG club on loan. Instead, he pushed for a move to AS Monaco — a direct Ligue 1 rival to Troyes — to get elite experience away from the CFG network. Nice-Matin reported that the Monaco loan, which includes an option for a second year, was a specific condition set by the player himself.
Earlier in 2026, Detourbet also turned down a lucrative offer from Saudi Arabia's Al-Hilal. He told Onze Mondial: "I just want to play football... I want us to enjoy the Champions League anthem together." The Monaco deal gives him top-flight Ligue 1 experience while Manchester City retain full ownership.
Manchester City's new Sporting Director Hugo Viana opened formal talks with Troyes in January 2026, according to L'Equipe. The deal moved quickly after May 6, when former City scouting manager Brendan MacFarlane was appointed interim Sporting Director at Troyes itself — tightening the link between the two sister clubs just weeks before the transfer closed.
Troyes is one of 12 clubs in the CFG portfolio, which is majority-owned by Abu Dhabi United Group. The structure mirrors the 2024 Savinho transfer, where CFG moved the winger from Troyes to Girona to Manchester City in a deal also worth around €25 million, per CBS Sports. Critics argue these internal deals let City inflate valuations and bypass financial fair play rules.
The transfer has reignited a debate in France over foreign control of domestic clubs. French MP Eric Coquerel has proposed a bill to ban "timeshare control" of football clubs, directly citing CFG and Chelsea's BlueCo as targets, according to Goal.com. Critics call Ligue 2 an increasingly "breeding and testing ground" for wealthy foreign clubs to extract talent cheaply.
Troyes fan groups and supporters of fellow CFG club Strasbourg have voiced concern. The Strasbourg ultras publicly stated that "multi-club ownership kills football." For Troyes, the €25 million windfall does provide a major budget to rebuild their squad for life back in Ligue 1 — but some fans worry the club's identity is fading into a CFG corporate pipeline.
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