After no appearances in the first month of the season, the German played five in 20 days for Sunderland before breaking down again.
Lee Cattermole is expected to be on the sidelines until March.
David Moyes has been speaking to the media ahead of Saturday's crunch clash with Hull City.
Sunderland are currently bottom of the Premier League table.
Sunderland have made the joint-worst start in Premier League history
Moyes also updated on Vito Mannone, Fabio Borini and Lee Cattermole.
The Black Cats are currently in the Premier League's bottom three.
The Black Cats have currently picked up one point from their first five games.
In the aftermath of Sunderland's 1-0 defeat at White Hart Lane we highlight two players who stood out and three who let the Black Cats down.
Sunderland striker Jermain Defoe seems to rate teammates Jan Kirchhoff and Lee Cattermole highly.