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.
Amin Younes gave Eredivisie leaders Ajax a 1-0 win at ADO Den Haag, while PSV won 2-0 at Feyenoord on Sunday.
Dirk Kuyt's impressive scoring form continued for Feyenoord on Sunday as the Rotterdam club beat Heracles Almelo 3-0 at home.
Michiel Kramer scored a hat-trick as Feyenoord won the Rotterdam derby 4-2 at Excelsior to move level with leaders Ajax,
Davy Klaassen scored twice as Ajax Amsterdam trounced SC Cambuur 5-1 to extend their lead at the top of the Eredivisie.
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 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.
Willem II are still searching for their first Eredivisie win of the season after a 1-0 home defeat against NEC Nijmegen.
There were wins for Ajax and Feyenoord in the Eredivisie on Sunday, while FC Twente slipped to defeat.
Ajax started their Eredivisie campaign with victory over AZ Alkmaar, while Willem II and Vitesse played out a 1-1 draw.
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
Feyenoord moved a step closer to qualifying for the Europa League after a 2-2 draw at Willem II Tilburg in the Eredivisie.
Five-star PSV close in on Dutch title after comprehensive victory at FC Twente, while Heracles grab dramatic late win
Markus Henriksen netted a late winner as AZ strengthened their grip on fourth place with a 2-1 win over Cambuur Leeuwarden.