May 22, 2013
Bayern's Holger Badstuber lies injured during a match with Dortmund in December.
Kerstin Joensson/AP

Bayern Munich defender Holger Badstuber will miss another 10 months after undergoing further surgery on the cruciate ligament tear in his right knee.

The Bundesliga champion says Badstuber had an operation on Monday to remove the ligament ruptured in a recurrence of the injury sustained during Bayern's 1-1 draw with Borussia Dortmund last December.

The German international needs to allow drill holes from the first operation to close before a new ligament can be inserted.

Badstuber, who missed more than half of the Bundesliga season, had returned from a torn thigh muscle 11 days before the initial cruciate tear.

Bayern says Badstuber's professional career is not in danger.

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