Jonas Karner is an Austrian midfielder for TSV Hartberg, valued at €250,000, and is establishing himself as a reliable presence in the Austrian Bundesliga. Born on September 28, 2004, the 20-year-old contributes energy and versatility to Hartberg's midfield battles. His market value reflects his growing importance to a team that consistently competes well in the top flight. Karner's game likely involves strong work rate, ball retention, and an ability to support both defensive and attacking phases. His continued development at Hartberg is a positive sign for his future in the Austrian football landscape.