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.
De Graafschap moved off the bottom of the Eredivisie table after a 3-0 home win over Roda JC on Friday.
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.