Feyenoord hammered fierce rivals Ajax as Steve McClaren continued his encouraging start to his second spell as FC Twente coach.
On-loan striker John Guidetti plundered a hat-trick as Feyenoord beat Ajax 4-2 at De Kuip to go seven points behind leaders PSV Eindhoven.
Ajax took a 19th minute lead through highly-rated Danish midfielder Christian Eriksen, but Guidetti levelled from the penalty spot on the half-hour mark.
Guidetti, who is on loan at Feyenoord from Manchester City, put his side in front four minutes before half-time and Otman Bakkal increased the lead five minutes after the break.
Substitute Dmitri Bulykin gave Ajax hope by pulling a goal back 10 minutes from time, but Guidetti completed his hat-trick three minutes later to clinch the points for Feyenoord.
Twente also had a hat-trick hero to thank after Luuk de Jong's treble secured a 4-1 home win over Groningen to move McClaren's side to within two points of the summit.
Striker De Jong has been linked with a move to the Premier League and he scored after 14 and 23 minutes for the hosts.
Virgil van Dijk got Groningen back in the game two minutes after half-time, but De Jong scored his third on 58 minutes and Leroy Fer added Twente's fourth nine minutes later.
RKC Waalwijk moved further clear of the relegation places after an emphatic 4-0 home success over struggling VVV Venlo.
Evander Sno and Frank van Mosselveld scored in the space of two first-half minutes before Robert Braber and substitute Rick ten Voorde netted in the final 10 minutes of the match.
Lasse Schone scored twice inside the opening 20 minutes as NEC Nijmegen claimed a 2-0 home win over ADO Den Haag.