Midfielder Sebastian Deisler will miss Germany’s World Cup warm-up against the United States next week because of a recurrence of an injury to his right knee.

Bayern said an arthroscopy would be require to figure out the extent of the injury, but Deisler would definitely miss Sunday’s Bundesliga game against Schalke as well as the friendly international the following Wednesday.

The injury-prone Deisler has had four operations on his right knee.

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