Eredivisie leaders Ajax were held to a frustrating goalless draw by Heracles at the Amsterdam ArenA.
Ajax extended their gap at the top of the Eredivisie with a narrow 1-0 victory at home to Vitesse on Saturday.
PSV Eindhoven edged out Zwolle 3-2 to move level on points with Eredivisie leaders Ajax.
Eredivisie leaders Ajax slipped to a 1-0 defeat at Utrecht on Sunday, while Feyenoord were held to a 1-1 draw at Groningen.
Dirk Kuyt's impressive scoring form continued for Feyenoord on Sunday as the Rotterdam club beat Heracles Almelo 3-0 at home.
Heracles missed the chance to close the gap on Eredivisie leaders Ajax as they conceded a 90th-minute equaliser at PEC Zwolle.
PSV Eindhoven and Heracles maintained their pressure on the Eredivisie's top two with late away wins on Saturday.
Nigel Hasselbaink hit a 92nd-minute equaliser to earn Excelsior a 1-1 draw against PSV Eindhoven on Saturday night.
Heracles moved to within a point of Eredivisie leaders Ajax after a 2-0 win at home to Heerenveen.
There were Eredivisie wins for both Ajax and PSV on Saturday, while second-placed Heracles slipped to defeat.
Heracles Almelo moved to the top of the Dutch league with a 2-1 win over champions PSV Eindhoven at the Polman Stadion on Saturday.
Wout Weghorst scored the only goal as high-flying Heracles beat ADO Den Haag 1-0 to climb to second in the Eredivisie.
Luuk de Jond rescued a point for champions PSV, while their were wins for Heracles and Roda JC.
Feyenoord and Roda JC secured opening day victories in the Eredivisie.
AZ claim a Europa League place at the expense of Feyenoord, who were consigned to the play-offs for a place in Europe.
NAC Breda face a relegation play-off, while Manchester United-bound Memphis Depay scored for PSV.
PSV came from behind to extend their lead at the top of the Eredivisie standings, while there were wins for Heracles and Utrecht
After the title was taken away from them on Saturday, Ajax were held by struggling NAC Breda at home on Sunday.
Champions Ajax delayed PSV's impending Eredivisie title win for another week as they won 2-0 away at Heracles Almelo.
Five-star PSV close in on Dutch title after comprehensive victory at FC Twente, while Heracles grab dramatic late win
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