Lokomotiva Zagreb has announced the signing of 22-year-old Greek centre-back Thanasis Triantafyllou, who joined as a free agent after being released by Volos. The defender has signed a three-year contract and has already joined the Croatian club for their summer preparations. Triantafyllou had been with Volos since 2021, making 26 total appearances and also spending the 2023/24 season on loan at Aiolikos.