Relegation threatened 1. FC Kaiserslautern confirmed a grim prognosis for midfielder Julian Niehues late Sunday.
The 22-year-old will not appear again for his current club after suffering a serious ACL tear in Friday night's loss to SpVgg Greuther Fürth.
Niehues will also miss the start of next season for his new club, 1. FC Heidenheim.