Dutch legend slams FC Barcelona 'mafia' over Frenkie de Jong treatment

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A Dutch legend has hit out at FC Barcelona's treatment of midfielder Frenkie de Jong, describing the club as behaving like the mafia.

De Jong's future has turned into quite a saga following Barca's latest attempt to get him off their books. 

Scroll through the gallery above to see four players who could leave Barca before the end of the transfer window

Ealier this month, the Spanish giants reportedly served the player with a letter indicating that he needs to declare his current contract invalid, with the club alleging that the terms of his deal, produced by the team's previous board led by Josep Maria Bartomeu, involve criminality and therefore grounds for legal action against the playmaker and those involved in putting the contract together.

The Catalans are understood to be keen to part ways with the 25-year-old as he is considered their most sellable asset, making him key to relieving their wage bill for more signings to come, including the potential arrival of Bernardo Silva from Manchester City, who is considered a priority for manager Xavi Hernandez.

With the Blaugrana still owing De Jong millions in deferred wages, though, former Netherlands attacker Rafael van der Vaart has now spoken out against the LaLiga side's antics, calling for them to be punished.

"You can't treat people like this," the ex-Real Madrid star told Ziggo Sport.

"Frenkie earns too much? First, you sign a contract and then you fulfil it or you leave on good terms, but it is not like that.

"This [Barcelona] is a mafia and they have to be punished.

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"The name of Barca has come out of it looking very bad. It is great club and everyone wants to play there.

"But from here on we are judging it in a different way and, to me, it's a disgrace when you play for them."

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Kayky - joined Pacos de Ferreira on loan from Manc
Kayky - joined Pacos de Ferreira on loan from Manchester City
Nico Gonzalez - joined Valencia on loan from Barce
Nico Gonzalez - joined Valencia on loan from Barcelona
Remo Freuler - joined Nottingham Forest from Atala
Remo Freuler - joined Nottingham Forest from Atalanta
Emmanuel Dennis - joined Nottingham Forest from Wa
Emmanuel Dennis - joined Nottingham Forest from Watford
Cheikhou Kouyate - joined Nottingham Forest as a f
Cheikhou Kouyate - joined Nottingham Forest as a free agent
Luca Pellegrini - joined Eintracht Frankfurt on lo
Luca Pellegrini - joined Eintracht Frankfurt on loan from Juventus
Filip Kostic - joined Juventus from Eintracht Fran
Filip Kostic - joined Juventus from Eintracht Frankfurt
Giovani Lo Celso - joined Villarreal on loan from
Giovani Lo Celso - joined Villarreal on loan from Tottenham Hotspur
Daniel Wass - joined Brondby from Atletico Madrid
Daniel Wass - joined Brondby from Atletico Madrid