PSV battled back to snatch a 2-2 at Heerenveen thanks to Donyell Malen's goal in the fifth minute of stoppage time.
Feyenoord missed the chance to make ground on the Eredivisie top two after losing 3-1 at PEC Zwolle on Saturday.
PSV Eindhoven opened up a five-point gap at the top of the Eredivisie following a comprehensive 4-0 victory at nine-man Heracles Almelo.
Feyenoord extended their winning streak to five Eredivisie matches after four second-half goals inspired them to a 4-1 victory over Emmen.
PSV Eindhoven remain top of the Eredivisie table despite losing 2-1 at home to Feyenoord on Sunday.
PSV are still yet to drop a point in the Eredivisie after a 13th win from 13 kept them five points clear in the Eredivisie.
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