Feyenoord maintained their Eredivisie title hopes by beating Vitesse on Sunday, while Zwolle and Utrecht also won.
Ajax will hope to take another step towards retaining their Eredivisie title when they host Heerenveen on Friday.
Vitesse Arnhem lie second in the Eredivisie table after blowing a 3-0 lead to draw 3-3 draw at struggling Roda JC.
Christian Eriksen does not believe Ajax's top-of-the-table Eredivisie clash away to PSV Eindhoven will decide the title.
Ajax beat Heracles 4-0 at the Amsterdam ArenA while NEC drew 1-1 at home to AZ in Sunday's Eredivisie action.
Jan-Arie van der Heijden believes Vitesse Arnhem are now being "taken seriously" in their Eredivisie title bid.
Ajax moved three points clear at the top of the Eredivisie table as they beat NEC Nijmegen, and PSV drew at Roda JC.
Feyenoord defender Bruno Martins Indi is focused on helping his team reach the Eredivisie summit this weekend.
Feyenoord boss Ronald Koeman thinks his side are well and truly in the hunt for their first Eredivisie title since 1999.
PSV lost 2-1 to Heerenveen in Saturday's Eredivisie action, while Willem II beat fellow strugglers VVV-Venlo 1-0.
PSV Eindhoven coach Dick Advocaat is relieved his side have returned to winning ways in the Eredivisie.
NEC Nijmegen coach Alex Pastoor has signed a new one-year deal with the club.
Feyenoord closed in on Eredivisie leaders PSV after a 3-0 win at NEC, whilst Roda shocked Groningen with 4-1 victory.
PSV Eindhoven coach Dick Advocaat insists he has no reason to panic as they head into Saturday's clash with VVV Venlo.
Three first-half goals from NEC ensured that Willem II remain nine points off safety in the Eredivisie table.
Feyenoord boss Ronald Koeman is in an optimistic mood ahead of Sunday's Eredivisie clash with PSV Eindhoven.
VVV-Venlo boosted their hopes of Eredivisie survival this evening with a 2-1 win at Europa League hopefuls NEC Nijmegen.
Ajax were frustrated by lowly Roda JC on Sunday as they failed to take advantage of PSV Eindhoven's draw on Saturday.
NAC Breda look set to be given a lift ahead of their date with ADO Den Haag as Nebojsa Gudelj is set to sign a new deal.