Leaders Ajax held by Vitesse
A review of the weekend's action in the Dutch Eredivisie as Ajax were left with work to do to wrap up their title defence.
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Ajax still have work to do to wrap up their Eredivisie title defence following a 1-1 draw at Vitesse on Saturday.
The Amsterdammers could have been crowned champions on Sunday if results went their way, but instead they must stave off fast-finishing Feyenoord over the final three games.
Feyenoord moved six points adrift of the leaders with a 2-0 win over RKC Waalwijk.
Ajax had to come from behind to take a point at Vitesse as Kolbeinn Sigthorsson (47) cancelled out the opener from Chelsea loanee Bertrand Traore (27).
Graziano Pelle scored in either half to secure Feyenoord's fifth-successive win.
ADO Den Haag thumped 10-man Utrecht 4-1 to move to the brink of survival.
Steve De Ridder was sent off after 24 minutes and from there ADO took over with goals from Roland Alberg (31), Mike van Duinen (42), Mitchell Schet (69) and Michiel Kramer (75).
Jens Toornstra grabbed a consolation in stoppage-time for Utrecht, who are five points above the relegation play-off places.
Last-placed Roda JC could still survive after a 2-2 draw at home to AZ Alkmaar.
Guus Hupperts scored a 70th-minute winner before the hosts held on after Guy Ramos' 81st-minute red card.
Roda led first when Berry Powel scored on 25 minutes before AZ forged ahead through Markus Henriksen (41) and Aron Johannsson (59).
On Sunday, FC Twente boosted their hopes of a top-two finish with a 2-0 win at NAC Breda.
The 2010 champions had won just once in their previous six matches but goals either side of half-time from Felipe Gutierrez and Dusan Tadic earned them a much-welcomed victory at NAC.
Further good news for Twente came from Heerenveen, where PSV Eindhoven crashed to a 3-0 defeat.
PSV started the day level on points with Twente but they appear to be losing form at just the wrong time having also lost at home to Groningen last time out.
They fell behind on Saturday to Bilal Basacikoglu's 31st-minute strike, and then two goals in the last 11 minutes from Rajiv Van La Parra and, almost inevitably, Alfred Finnbogason sealed the victory for Heerenveen.
Finnbogason's goal was his 26th of the season, leaving him well clear at the top of the Eredivisie scoring charts.
There were more red cards than goals in Nijmegen were three men were dismissed late on in NEC's 1-1 draw with Cambuur Leeuwarden.
Geoffrey Castillion's 13th-minute penalty temporarily put second-bottom NEC on course for a valuable victory, but Mart Dijkstra's strike on the stroke of half-time levelled things up.
There were no more goals in the second half but the referee was kept busy late on as Ryan Koolwijk and Rens Van Eijden were sent off for NEC, either side of Marcel Ritzmaier's red for the visitors.
Go Ahead Eagles also had a man sent off in the closing stages against Heracles, but it did not stop them claiming a 2-1 comeback win.
Mikhail Rosheuvel put the hosts ahead in the 36th minute but goals from Deniz Turuc (68) and Erik Falkenburg (74) turned things round for Go Ahead, who then successfully held on for the final few minutes with 10 men following Jarchinio Antonia's dismissal.
FC Groningen boosted their hopes of securing a Europa League play-off berth on Friday night with a 1-0 victory at PEC Zwolle.
Eric Botteghin netted the game's only goal 20 minutes from time to settle matters in the visitors' favour at IJsseldelta Stadion.
The result lifted Groningen four points clear of their hosts with three games of the regular season remaining.