Ben Foster has been ruled out until October after surgery showed he had damaged his anterior cruciate ligament. It was tonight he had suffered a cartilage injury during the victory over Stoke keeping him out for a month, but exploratory operator revealed the extent of his problem. The injury will keep Foster out for the next six months in a huge blow for West Bromwich Albion as well as England manager Roy Hodgson, who needs a deputy for Joe Hart. West Brom goalkeeper Ben Foster is set to miss the rest of the season through a serious injury . Foster receives medical treatment from the West Brom physios after suffering a knee injury against Stoke . Dr Mark Gillett, who as Director of Performance heads up Albion's sports science and medical team, said: 'Ben is in good spirits despite this obvious disappointment to him – he's already talking about his 'rehab' and wanting to get started on it immediately. 'But he has had a cruciate reconstruction of his left knee following the injury against Stoke and he will be out for six months.' Foster was forced off through the injury and had to be replaced by Boaz Myhill (left) against Stoke . The injury to Foster will be a blow to England manager Roy Hodgson (right), who needs a deputy for Joe Hart .
West Brom goalkeeper Ben Foster has been ruled out of action until October . He suffered a cartilage injury during his side's victory over Stoke . An exploratory operator has revealed the full extent of his problem . Foster has damaged his anterior cruciate ligament .