West Bromwich midfielder Zoltan Gera will miss the rest of the season due to a knee injury, the English Premier League club confirmed on Wednesday.The 32-year-old Hungarian international has ruptured the cruciate ligament in his left knee in Saturday\'s defeat to Tottenham Hotspur.\"The usual rehabilitation time for this injury is six to nine months and the club\'s medical and sports science department will now give Zoltan our full support with a view to him being fit for the start of next season,\" the club said in a statement.