As part of their preparations for the second half of the season, Radomlje have signed 20-year-old Croatian left-back Borna Graonić. A native of Zagreb, Graonić developed in Dinamo's youth system and was most recently a member of Sesvete. He has also played for Jarun and Dugopolje. Before arriving in Slovenia, he had 40 appearances in the Croatian second division and two caps for the Croatian U19 national team. In the current 2025/2026 season for Sesvete in the Prva NL, he made 15 appearances and provided one assist. His market value is estimated by Transfermarkt at €75k.