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 .
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 2015-16 campaign . Injury leaves England with goalkeeping crisis following Ben Foster injury . CLICK HERE for all the latest Southampton news .