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• UEFA Cup results and fixtures

The Germany defender strained his knee while on international duty at the beginning of the month and has not played since.

He already missed the first leg against the Portuguese outfit - which the Bavarians won 1-0 thanks to a Luca Toni strike - and has now been told to rest for a further fortnight without putting any strain on the knee.

And that means the 23-year-old will miss the return leg in Portugal, as well as other crucial games for both club and country, including Germany's Euro 2008 qualifiers against the Republic of Ireland and the Czech Republic.