The 77-year-old, who also acts as a personal advisor to Roman Abramovich, also criticised the number of young Dutch talents moving abroad too early in their careersEXCLUSIVE
By Seran van Gemert
Chelsea scout Piet de Visser spoke of his disappointment with some Netherlands Under-21 players despite the side's 4-1 victory over Austria Under-21 in qualifying for the upcoming European Championship in Israel next summer.
De Visser currently serves as an advisor to Blues owner Roman Abramovich and is famous for being responsible for numerous well-documented transfers such as the signings of Romario, Ronaldo, Alex and Heurelho Gomes by PSV in the past.
The 77-year-old told Goal.com that despite the flattering scoreline, he believed that the Oranje were lacking some power in their play.
"I had high expectations - this group boasts a lot of talent," de Visser explained.
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"I hope they make it to the European Championships, but they should've been at the Olympics [in London this summer] as well. They let that slip away from them.
"The talent is there, as is the vision and tactics, but more important is the right mentality and the ability to push on. And that's something the bigger talents sometimes lack."
De Visser also spoke critically about a number of Dutch players who have left the country to ply their trade abroad, an act he feels happens too early for many.
"Knowing Anderlecht, they brought in Bram Nuytinck [from NEC] to play out wide. But I don't think he'll get much playing time, which will stunt his development. He should have [stayed in Holland] for another year, perhaps at a [top-four] side.
"Ola John [who left for Benfica for a hefty transfer fee earlier this summer] was a fantastic player with Twente last year, playing on the left. He too went to Benfica too quickly, where he won't get much playing time. And these boys need to be playing every week, really.
"They usually transfer off the back of a strong season, like Ola John. But you have to perform at another level for clubs like Benfica, and he's not doing that yet. He's not playing, and not playing is detrimental. I don't like seeing that happen [to talents like him]."