Granada's Algerian midfielder Hassan Yebda will be out of action for around one month due to a knee injury, the Spanish club announced on Tuesday. The international midfielder picked up the injury during his team's training and he will undergo Kneearthroscopy this week in Lyon (France). The former Benfica, Portsmouth and Napoli man joined Granada in the summer of 2011 after signing a three-year contract with the Spanish side. Yebda made just two appearances this season due to his fitness problems and the latest injury added to his troubles. (For more sports news and updates, follow Ahram Online Sports on Twitter at@AO Sportsand on Facebook atAhramOnlineSports)