Berlin : Bayer Leverkusen will be without defender Robert Hilbert for six weeks due to a shoulder injury, the German football club announced on Thursday. Leverkusen did not only suffer their third straight loss at Bundesliga’s 24th round on Wednesday, but also lost Hilbert to a collarbone fracture, reports Xinhua. The 31-year-old defender sustained the injury during the 1-4 loss to relegation threatened Werder Bremen. Hilbert was unable to continue after a tackle with Santiago Garcia in the 72nd minute and was replaced by Benjamin Heinrichs.