The Magpies have long been linked with the highly-rated Dutch international midfielder.
Reports claim Ajax have accepted an bid of around £6.2million for the midfielder.
The 23-year-old is expected to fly to England on Monday to undergo a medical.
The Magpies have long been linked with the highly-rated Dutch international midfielder.
Reports claim Ajax have accepted an bid of around £6.2million for the midfielder.
The 23-year-old is expected to fly to England on Monday to undergo a medical.
