
The latest slip-up from Steve McClaren’s men meant Twente dropped to fifth in the Dutch league on 44 points withVitesse Arnhem, 5-3 winners atHeracles Almelothanks to Wilfried Bony’s treble, moving into third on 45.
Rajiv van la Parra opened the scoring for Heerenveen after 15 minutes but nine minutes after the break Dmitry Bulykin brought Twente level with a close-range header.
Finnbogason, however, restored the lead for Marco van Basten’s Heerenveen 11 minutes from time before a late second booking for Twente’s Edson Braafheid.
“This has nothing to do with our coach and he has all the support of the squad,” said Twente midfielder Leroy Fer.
“This is now the same story for six matches already that we fall behind too easily and that has to change.”
Ivorian Bony added two more goals to seal his hat-trick and the win for Vitesse while lifting his season’s total to 22.
Elsewhere, Michael de Leeuw scored a stoppage-time winner forGroningento sinkPEC Zwolle1-0 at home, while strugglersVVV VenlobeatRKC Waalwijk1-0 thanks to Marcel Seip’s goal.