Guidolin said: "When I saw Zielinski three years ago he was practically a child, so skinny and fragile but with two amazing feet. This is why I decided to work with him, as he has the stigmata of a champion.
"Everyone who works at Udinese ensure these lads learn the language and settle in, so these are the results. We observed him over these three years and he's been working with us for a while. Perhaps that Number 10 we had been looking for is being created in our own house."