Ajax moved a step closer to reclaiming the Eredivisie title on Sunday with a thumping 4-0 win over FC Twente.
AZ Alkmaar took a grip of fourth place in the Eredivisie with a 2-1 win over ADO Den Haag.
Ajax slipped up but still moved back to the top of the Eredivisie table with a 2-2 draw at home to FC Utrecht.
Davy Klaassen's goal handed Ajax a 1-0 win at bottom club SC Cambuur on Saturday that maintained their two-point lead at the top of the Eredivisie.
Marko van Ginkel scored twice as PSV returned to the top of the Eredivisie table with a 4-2 win at AZ Alkmaar on Saturday.
Eredivisie leaders PSV Eindhoven were held to a frustrating 1-1 draw by Heerenveen at Philips Stadion on Saturday.
Ajax closed the gap to Eredivisie leaders PSV Eindhoven back to a single point after thumping Willem II 4-0 on Sunday.
Ajax beat Excelsior 3-0 to close the gap at the top of the Eredivisie on Sunday, while Dirk Kuyt was on target for Feyenoord.
AZ Alkmaar climbed up to fourth in the Eredivisie after beating Heracles 6-2 to maintain their perfect start to 2016.
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.