Wojciech Pertkiewicz, the president of Arka Gdynia, revealed the transfer of Greek centre-back Apostolos Konstantopoulos from Raków Częstochowa to Jagiellonia Białystok, initially suggesting the move would be a loan. Kuba Seweryn confirmed the information and clarified that the deal would be a permanent transfer. Konstantopoulos is in Białystok for medical tests to finalize the permanent move. The 23-year-old has made 14 appearances for the Greece U21 team and played in 12 Ekstraklasa matches this season. It is reported that he is being brought in to replace Dusan Stojinović, who is completing a transfer to Major League Soccer. His contract at Raków was set to expire in June 2028 and his current market value is €800k, according to Transfermarkt.