Former Italy goalkeeper Gianluca Pagliuca has questioned Napoli's deal for Rafael.
Pagliuca doesn't rate Brazilian goalkeepers.
"A lot of Brazilian 'keepers have arrived," he said. "The latest is Rafael at Napoli, who people swear has a great future.
"In my opinion, apart from Julio Cesar, I haven't seen that much talent to justify the sort of invasion we have witnessed.
"Dida played well for two seasons at Milan, but I'm in favour of the Italian school of goalkeeping - one which is still offering talented youngsters, even if we need to stop loading them with pressure before they can prove themselves."
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