Nicolai Jorgensen netted a brace as Eredivisie leaders Feyenoord thrashed city rivals Sparta Rotterdam 6-1 at De Kuip.
Feyenoord remain top of the Eredivisie after Michiel Kramer's injury-time strike sealed a 3-3 draw with FC Utrecht
Ajax thumped NEC Nijmegen 5-0 as they tightened their grip on second place in the Eredivisie on Sunday.
Go Ahead Eagles ended Feyenoord's 23-game unbeaten streak in the Eredivisie after a famous 1-0 victory at De Adelaarshorst.
Feyenoord's lead at the top of the Eredivisie was cut to three points after a 2-2 draw at home to Heerenveen on Sunday.
PSV Eindhoven closed the gap on second-placed Ajax to just a point with a 1-0 win over Sparta Rotterdam at Philips Stadion.
Feyenoord maintained their winning start to the Eredivisie season at Willem II, while there was also a win for Ajax.
Feyenoord maintained their perfect start to the Eredivisie season with a 5-0 victory over struggling Roda JC 5-0 on Sunday.
Groningen thrashed Utrecht 5-1 on Friday to earn their first win of the season in the Eredivisie.
Luuk de Jong capped a 24-minute blitz as PSV stormed back to the top of the Eredivisie with a 4-1 win over NEC in Nijmegen.
Ricky van Wolfswinkel scored his third goal in four Eredivisie games for Vitesse Arnhem but it was not enough for victory against Utrecht.
Feyenoord continued their perfect start to the season and returned to the top of the Eredivisie with a 1-0 win at Heracles Almelo.
Swansea have criticised Dutch club Utrecht over comments they made in relation to the ongoing Michel Vorm transfer case.
PSV Eindhoven retained the Eredivisie title after a dramatic final day that saw Ajax slip up when it mattered most.
Ajax moved a step closer to reclaiming the Eredivisie title on Sunday with a thumping 4-0 win over FC Twente.
Ajax have returned to the top of the Eredivisie table after winning 2-0 away at Heerenveen.
Ajax slipped up but still moved back to the top of the Eredivisie table with a 2-2 draw at home to FC Utrecht.
Feyenoord tightened their grip on third place and a Europa League qualification spot with a 1-0 win at FC Twente.
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.
FC Utrecht continued their pursuit of a top-three Eredivisie finish with a 2-1 victory over Excelsior on Friday.