Hamburg, eager to bounce back from their 3-0 defeat by Bayern Munich last week, will most likely replace the former Chelsea player with Paul Scharner, Fink told reporters.
Right back Dennis Diekmeier is also doubtful, still nursing a minor ankle injury, but he is expected to train again on Friday.
Hamburg, in ninth place, have moved into contention for a Europa League spot after a bad start to the season.
- Sports & Recreation
- Paul Scharner
- Dennis Diekmeier