"At the time he had just come back from an achilles injury and we thought he had just lost a little bit. We got the offer from Lazio, £16.5m for a centre-back who was 29. It was an offer I couldn't refuse. But in playing terms it was a mistake. He is still playing for Ajax at a really good level," he is quoted by the Independent on Sunday.
"Gascoigne was quality. I think he was the best young player to come out of England in the last 30 years at that time."