Vangelis Pavlidis opened the scoring for AZ just before halftime. Wouter Goes made it 2-0 15 minutes before the end with his first goal for the club in the Eredivisie. Bjørn Johnsen then made it 2-1 from the penalty spot.
Mees Hoedemakers van Cambuur received the red card in extra time.
Feyenoord will play Fortuna Sittard on Sunday afternoon. AZ lost the best game at Feyenoord with 2-1 last week.
Due to the loss, Cambuur was “more solidly” in last place, FC Groningen’s number 17 having won against Excelsior earlier in the day.