Former Anzhi manager Rene Meulensteen believes Willian would be an excellent addition to the Tottenham squad if he completes a proposed £30 million pound move.
Willian has also been linked with Liverpool but the Brazilian is widely expected to sign for Spurs ahead of them as they edge closer to a deal.
And Meulensteen, who acrimoniously left the Russian club after just 16 days, says even in his short spell at the club he saw the qualities the attacking midfielder had.
"I've worked with him for a short time but I really, really like him. He will be an asset for whoever's going to get him," he told Sky Sports News.
"If it's Spurs that's going to get him they'll get an excellent player.
"He's very versatile, he can play in different positions, he's a very creative player and an excellent professional with a very good personality.
"He's going to be a major trump card for Spurs if they can get the deal to go through.
"He can beat a player, he can score a goal. I thought he was an absolute delight to work with."
If Spurs complete the signing of the 25-year-old it will be the third time this summer manager Andre Villas-Boas has smashed the club's transfer record.
He previously doing so with the £17 million addition of fellow Brazilian Paulinho and the £26 million signing of Spanish striker Roberto Soldado.
Willian only moved to Anzhi just seven months ago for a reported £30 million after a five-and-a-half year stint with Ukrainian club Shakhtar Donetsk, but he is now available for the same price after a change in strategy by their owner means they must cut costs.
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