AZ Alkmaar sign Sparta duo

Viergever and Falkenburg will join AZ Alkmaar for a combined fee of around €2.5million.

Both played have signed contract with AZ Alkmaar until the summer of 2014.

“We have seen both players on numerous occasions and expect them to make the next step in their careers at AZ. They’re still young, but are already quite experienced,” said AZ’s technical director Earnest Stewart.