Aston Villa manager Paul Lambert is again bereft of several players through injury ahead of Saturday's Barclays Premier League clash at home to Cardiff.Andreas Weimann and Antonio Luna (both hamstring), Gabriel Agbonlahor (ankle) and Joe Bennett (back) are sidelined, along with long-term casualties Jores Okore (knee), Gary Gardner (back) and Charles N'Zogbia (Achilles).