Borussia Dortmund, Wolfsburg, and FC Koln were among several Bundesliga clubs interested in Zaglebie Lubin's Polish winger, Marcel Regula. Burnley is also looking to sign the 19-year-old and is prepared to spend €8m, an amount that would be a club record sale for the Polish side. Regula joined Zaglebie in July 2024 and is under contract until June 2028. He has earned 7 caps and scored 2 goals for the Poland U21 team. According to Transfermarkt, his current market value is listed as €7.00m. Reports from August 2026 indicated 1. FC Köln was also ready to pay between €7 million and €8 million. Zagłębie's asking price was reported in April 2026 to be between €8 million and €10 million.