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Borussia Dortmund complete the signing of Konstantinos Karetsas from Genk

Football: Dortmund sign Genk teenager Karetsas for €30m

Dortmund move early for one of Europe’s most coveted teenagers

Borussia Dortmund confirmed on Monday the signing of Konstantinos Karetsas, the 18-year-old Greece international, from Belgian side KRC Genk. The guaranteed fee sits at €30 million, with bonuses capable of lifting the package to €32 million, and the attacking midfielder has committed to a five-year contract running to June 2031.

Genk did not let their academy product leave unprotected. The Belgian club kept a 10 percent sell-on clause, a marker of the resale value they expect Karetsas to reach in the years ahead.

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A profile that fits the Dortmund blueprint

The move follows a familiar Dortmund pattern. The club has spent the past decade buying and developing teenagers before selling them on at a premium, from Jadon Sancho and Erling Haaland to Jude Bellingham, who left for Real Madrid in a deal worth north of €100 million. Handing an 18-year-old attacking midfielder a five-year contract slots neatly into that model.

Reports in Germany put Karetsas’ base salary near €3.5 million a year, with performance bonuses layered on top. Genk, for their part, banked €30 million on Monday and kept a cut of whatever comes next.

What comes next

Karetsas arrives with a Bundesliga season about to open and a place to earn in a busy midfield. Genk collect a significant fee and a future percentage, Dortmund add another teenager to a squad built around them, and the Greek gets the stage his early rise demanded.

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  • Louis Boulben

    Ex-NCAA D1 Athlete with a background in B2B/D2C technology, enterprise business development, finance, and management. Currently leading growth and strategy at MathODDS, expanding into broader European and US markets.


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