"So it would be much more valuable having Paul Robinson there than it would be to have Joe Hart - never mind the David James scenario, who is spasmodically in and out because it seems he has a bit of an injury problem."
Portsmouth's keeper James has 49 international caps, while West Ham's Green has nine.
Manchester City's Hart, who spent the past Premier League season at Birmingham on loan, has gained just one England cap, after he appeared in a friendly match against Trinidad and Tobago in 2008.
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