Sportske Novosti reports that Niko Janković previously had various foreign offers, including one from Kayserispor, but those deals did not materialize.

Niko Janković, a 24-year-old Croatian attacking midfielder, was looking to leave Rijeka, and the Turkish club Kayserispor, managed by Radomir Đalović, was mentioned as one of several potential destinations. Rubin from Kazan was also reportedly a definite interested party, presenting a lucrative contract that the player turned down, and there were additional inquiries from clubs in Germany and Italy. In February 2026, reports indicated Rubin Kazan offered approximately €2 million for the player, an offer that followed a near-completed transfer to Fenerbahçe in August 2025 for a reported fee of €5.6 million. In the current 2025/2026 season, Janković has made 13 appearances in the SuperSport HNL, providing 1 assist. His current market value is €3.50m, according to Transfermarkt.