Defensive midfielder Mathias Olesen is a 25-year-old Luxembourgish international who was on loan from Greuther Fürth. The Styrians want to sign him. Talks are currently ongoing about a permanent transfer. Olesen has 39 caps and 2 goals for Luxembourg, and his current market value is €600k according to Transfermarkt. In the 2025/2026 season, he made 15 Bundesliga appearances, scoring one goal and providing two assists. He also made 12 appearances in the 2. Bundesliga, providing one assist.