Sturm Graz has announced the signing of center-back Emanuel Aiwu. The 23-year-old former Austria U-21 international is moving from Serie B club Cremonese to the Austrian champions and has signed a contract until 2028. Aiwu was trained by Admira and moved to Italy via SK Rapid. Last year, he was loaned to Birmingham City in the English Championship, where he made 24 appearances.