Cambuur Leeuwarden beat ADO Den Haag 3-2 in the Eredivisie, while AZ Alkmaar grabbed a 3-1 win over FC Dordrecht.
Ajax responded to PSV Eindhoven's statement of intent with a 3-1 victory at AZ Alkmaar in the Eredivisie.
FC Twente needed a late equaliser from Youness Mokhtar to salvage a 1-1 draw at Cambuur Leeuwarden.
West Brom have completed the signing of Australia international left-back Jason Davidson on a two-year contract.
West Brom head coach Alan Irvine expects to win a work permit appeal for defender Cristian Gamboa.
Alireza Jahanbakhsh was NEC Nijmegen's hero with a two-goal haul helping to beat Ajax, condemning Roda JC to the drop.