Heerenveen moved into the third round of the KNVB Beker with an emphatic 3-0 defeat of 10-man FC Twente.
FC Twente brought an end to their three-match winless run with a 3-0 victory at Heracles Almelo in the Eredivisie.
Three men were sent off as Heerenveen beat FC Groningen 4-2, while struggling Feyenoord salvaged a 3-3 draw at Nijmegen.
PEC Zwolle face the stiffest test of their season as they visit reigning Eredivisie champions Ajax on Saturday.
PSV Eindhoven passed up the chance to move top of the Eredivisie as they were held to a 0-0 home draw by Cambuur.
Dutch Eredivisie as champions Ajax grabbed a 3-3 draw at Heerenveen on Friday night.
Marco van Basten will put his past with Ajax to one side when the champions visit the Abe Lenstra Stadion.
Kolbeinn Sigthorsson scored twice as Ajax beat Feyenoord to leave the side looking for their first points of the season.
Feyenoord will do everything possible to make sure Samuel Armenteros is available for their Eredivisie clash with Ajax.
Celtic have been warned it will take a big fee to persuade Heerenveen to sell Alfred Finnbogason.
Ajax's Viktor Fischer is delighted at the way the Eredivisie champions' coach Frank de Boer encourages him to play.
PSV Eindhoven opened their Eredivisie campaign with a nervy 3-2 win at ADO Den Haag, while FC Groningen thrashed NEC.
Celtic manager Neil Lennon has refused to confirm he is trying to sign Heerenveen striker Alfred Finnbogason.
Sunderland target Kristoffer Nordfeldt would be interested in a move to England, the player's agent has confirmed.
Heerenveen have confirmed the double signing of Magnus Wolff Eikrem from Molde and Yanic Wildschut from VVV Venlo.
Former Manchester United youngster Magnus Wolff Eikrem is closing in on a move from Molde to Heerenveen.
Molde coach Ole Gunnar Solskjaer has confirmed Heerenveen have shown an interest in Magnus Wolff Eikrem.
Heerenveen have signed goalkeeper Chiel Kramer from Ajax on a one-year deal, the Eredivisie side confirmed.
FC Roskilde youngster Stefan Gartenmann has turned down an offer from Fulham and will instead sign for Heerenveen.