AZ Alkmaar have signed former Spurs striker Mounir El Hamdaoui from Willem II on a five-year deal.
The striker, who needs time to gain match fitness, will step into the void left by the departure of Danny Koevermans to PSV Eindhoven. He has signed for an undisclosed transfer fee.
Willem II have also revealed that they have brought in 26-year-old Cristiano dos Santos Rodrigues on a two-year deal with the option of a third.
Sparta Rotterdam and RBC Roosendaal have swapped wingers, with Edouard Duplan signing a four-year deal in Rotterdam and Jeffrey Vlug moving the other way on a year's loan to Brabant.
Midfielder Rogier Molhoek has left AZ to join NAC Breda on a year-long loan deal.