HSV dealt injury blow as key defender faces season-ending layoffLocked in a battle to avoid relegation, Hamburger SV have been dealt a significant injury blow.As the North German side revealed on Tuesday, Miro Muheim suffered an injury to the anterior syndesmosis in his right ankle during Saturday’s 3-1 defeat to Werder Bremen.As a result, the Switzerland international is expected to miss the remainder of the season.HSV sit 14th in the Bundesliga, five points above the relegation zone, with four games left to play.Merlin Polzin’s side welcome Hoffenheim to the Volksparkstadion this weekend.