Hamburg - Hoffenheim striker Vedad Ibisevic has undergone a successful operation on his injured right knee, the German league leaders said Saturday.
The Bundesliga's top scorer with 18 goals tore his cruciate ligament in a friendly game against SV Hamburg during a training camp in Spain on Wednesday.
The Bosnia striker had surgery at St Elisabeth hospital in Heidelberg and will be out for the rest of the season.
Swiss forward Eren Derdiyok has meanwhile turned down an approach. from Hoffenheim who are now in the market for a replacement striker.
