Fraser Forster has been ruled out for the rest of the season and may miss the start of the next after scans revealed he has broken his kneecap . Forster came off injured during Southampton 's win against Burnley on Saturday and was pulled out of the England squad , with estimates now suggesting he could be out for between nine months and a year . The Saints have made a statement to confirm that Forster has undergone surgery on the injury to his left patella tendon , and said they will wait to assess how long he will be missing for until the affects are known . Southampton keeper Fraser Forster suffered a knee injury after colliding with Burnley 's Sam Vokes . Concerned Southampton stars look on as Forster receives treatment on the pitch following the collision . 'Southampton Football Club can confirm that Fraser Forster has successfully undergone surgery on the knee injury he suffered during Saturday ’ s win over Burnley , ' read the statement . ' A longer-term prediction of when Forster will return to action will be made following further assessment once the effects of his operation have settled down . The club ’ s medical staff are confident he will make a full recovery . ' It is bad timing for England boss Roy Hodgson after learning Ben Foster will be out for six months with a cruciate knee ligament injury . Rob Green was called up for the games against Lithuania and Italy . Forster 's injury came following a collision with Burnley striker Sam Vokes at St Mary 's , with the goalkeeper taken off on a stretcher during the Saints ' 2-0 win over Burnley . Referee Roger East checks on Forster in the immediate aftermath of the challenge . England goalkeeper Joe Hart admitted that the injuries to Foster and Forster have hit the England camp hard but backs Rob Green to step up in their absence . Hart said : ' I was gutted for Ben and Fraser . It ’ s really , really sad news . It has rocked us all as a goalkeeping group and rocked all the lads in the squad because they are great guys and they are having a great season . 'But Greeny has come in and hopefully he can profit . He did brilliant in the Championship last year . I remember watching him in the play-off final , when he was man of the match for me . QPR are in a bad position but he has been fantastic this season . 'Greeny is rock solid . His mentality is great . And he is a very good goalkeeper who has been playing at the top level for a long time . There are no surprises . ' Forster was carried off the pitch on a stretcher and will now miss the rest of the season . Kelvin Davis replaced Forster during Southampton 's 2-0 win over Burnley .
Fraser Forster collided with Sam Vokes in 2-0 win over Burnley . Southampton goalkeeper was then carried off on stretcher in 14th minute . Forster has undergone surgery on his knee . England stopper could also miss start of the last year campaign . Injury leaves England with goalkeeping crisis following Ben Foster injury . CLICK HERE for all the latest Southampton news .