Augsburg winger Andre Hahn has suffered a severe knee injury and will be out of action for months, according to the Bundesliga club’s coach, Enrico Maaßen. “Andre Hahn has suffered a severe knee injury and will be sidelined for several months,” Maaßen said on Thursday, speaking of cartilage damage and that “an operation is likely necessary.” Hahn featured in seven of Augsburg’s eight league matches this season and scored two goals. Mid-table Augsburg next play Wolfsburg where they are aiming for a fourth straight league win. They will also be without suspended Mergim Berisha and goalkeeper Raf…