The defender's representative has insisted that his client is happy in north London.
"Are the stories true? What you've read in the newspapers and on the internet is unfounded," Alex Kroes told UltimeCalcioNapoli.
"Thinks that have been reported are not true, and I say this with full knowledge of the facts.
"Some outlets are beginning to speculate, but that's all it is - speculation.
"Now is not the time to talk."