Konstantinos Karetsas joins Borussia Dortmund in €30‑41 million deal

Konstantinos Karetsas Borussia Dortmund transfer fee KRC Genk five-year contract

Greek international attacking midfielder Konstantinos Karetsas has completed a transfer from Belgian club KRC Genk to German Bundesliga side Borussia Dortmund. The agreement includes a five‑year contract running to 2031. Reported fees vary, with the base amount cited between €30 million and €33 million and total potential compensation – including bonuses and add‑ons – reaching up to €41 million. The deal contains a 10 percent sell‑on clause for Genk and is described as the highest fee ever received by the Belgian club. Technical director Ole Book travelled to Belgium to finalise negotiations, and Karetsas has undergone a medical examination in Dortmund ahead of signing. The transfer is noted as a record sale for Genk and a major investment by Dortmund in a 18‑year‑old talent who has already earned ten caps for Greece.

Entities

AC Milan · Belgium · Borussia Dortmund · Fabrizio Romano · Germany · Greece national football team · Greek Football Federation · Greek national football team · KRC Genk · Konstantinos Karetsas · Ole Book

Claims

What the coverage asserts, and how many sources carry each claim.

[● 8 SOURCES] Transfer fee reported between €33 million and €41 million including bonuses. forzamilan.pl · www.dimokratia.gr · www.lykavitos.gr · www.ethnos.gr · athina984.gr · +3 more
[● 2 SOURCES] AC Milan were also linked with Karetsas before the Dortmund deal. forzamilan.pl · www.to10.gr
[● 3 SOURCES] Karetsas has earned 10 caps and scored 3 goals for the Greece senior national team. khelnow.com · www.news.gr · www.dimokratia.gr
[● 8 SOURCES] Technical director Ole Book attended negotiations in Belgium. www.dimokratia.gr · athina984.gr · www.ertnews.gr · www.news.gr · www.thrakisports.gr · +3 more
[● 5 SOURCES] The transfer was finalized on 27 July 2026. www.dimokratia.gr · athina984.gr · www.news.gr · www.ertnews.gr · www.sofokleousin.gr
[● 9 SOURCES] The fee is the highest amount ever received by KRC Genk. www.dimokratia.gr · www.lykavitos.gr · www.ethnos.gr · www.thetoc.gr · forzamilan.pl · +4 more
[● 7 SOURCES] Konstantinos Karetsas transferred from KRC Genk to Borussia Dortmund. www.dimokratia.gr · forzamilan.pl · www.thrakisports.gr · khelnow.com · www.news.gr · +2 more
[DISPUTED] Konstantinos Karetsas signed a five‑year contract with Borussia Dortmund. www.dimokratia.gr · www.thrakisports.gr · www.news.gr · www.lykavitos.gr · athina984.gr · +9 more
[● 4 SOURCES] Karetsas underwent a medical examination in Dortmund ahead of signing his contract. www.ruhrnachrichten.de · www.newsit.gr · khelnow.com · www.bild.de
[DISPUTED] The agreement includes a 10 percent sell‑on clause on any future transfer of Karetsas. www.bild.de · forzamilan.pl · www.dimokratia.gr · filathlos.gr · www.newsit.gr · +1 more
[● 5 SOURCES] Borussia Dortmund paid a €30 million base fee plus €2 million in potential bonuses. www.bild.de · www.dimokratia.gr · forzamilan.pl · khelnow.com · www.newsit.gr
[● 8 SOURCES] Transfer fee reported between €30 million and €41 million total. www.dimokratia.gr · www.thrakisports.gr · athina984.gr · www.ertnews.gr · www.ethnos.gr · +3 more