Ajax moved a step closer to reclaiming the Eredivisie title on Sunday with a thumping 4-0 win over FC Twente.
PSV Eindhoven returned to the top of the Eredivisie table after a 3-0 success at Roda JC sealed a third straight win.
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.
Ajax regained top spot as they swept aside PEC Zwolle 3-0 on an emotional afternoon at the Amsterdam Arena.
Ajax won 2-0 at PSV Eindhoven to climb above their rivals to the top of the Eredivsie table on Sunday.
Ajax failed to take advantage of PSV's Saturday slip-up as they dropped their first points in five Eredivisie games at home to NEC.
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.
FC Twente came from behind to beat 10-man Heerenveen 3-1 in the Eredivisie on Saturday, as AZ and Heracles also won.
PSV Eindhoven climbed to the top of the Eredivisie with a 4-2 victory over De Graafschap on Saturday.
PSV Eindhoven cut the gap on Eredivisie leaders Ajax to a single point with a 3-1 win at Excelsior.
Ajax extended their gap at the top of the Eredivisie with a narrow 1-0 victory at home to Vitesse on Saturday.
Chelsea and Vitesse Arnhem have been cleared of having an improper relationship, the Dutch football association have announced.
Eredivisie leaders Ajax slipped to a 1-0 defeat at Utrecht on Sunday, while Feyenoord were held to a 1-1 draw at Groningen.
Ajax put five past Heerenveen while PSV Eindhoven moved into second place in the Eredivisie with victory at Vitesse.
Ajax extended their gap at the top of the Eredivisie after winning 2-0 at PEC Zwolle on Sunday.
Ajax maintained their three-point advantage over Feyenoord with a 1-1 away draw on Sunday, as PSV Eindhoven jumped into second spot.
Eredivisie leaders Ajax hammered Roda JC 6-0 to open up a three-point gap at the top of the table.
Ajax and Feyenoord both recorded 3-1 victories on Sunday to remain locked together at the top of the Eredivisie.