By Mark Buckingham
Last Updated: 01/01/70 1:00am
The Serbia & Montenegro international delivered a stunning display at Philips Stadion as strike partner Jan Vennegoor of Hesselink bagged a brace.
Kezman started the rout on 12 minutes with Vennegoor of Hesselink adding to the tally on 20 minutes.
But it was not until after the interval that the floodgates opened as Kezman struck three times in an eight-minute spell to crush Volendam.
Vennegoor of Hesselink plundered his second goal midway through the half and John de Jong wrapped up the thrashing in the final quarter of an hour.
Utrecht picked up a vital win over their European rivals Willem II with a solid second half performance to win 2-0 in Tilburg.
Sander Keller broke the deadlock on the hour with Hans van de Haar making the contest safe in the 71st minute.
NEC Nijmegen failed to lift themselves clear of the relegation zone after being held to a 1-1 draw at home to RKC Waalwijk.
Rob Wielaert's 58th minute penalty put NEC in command but RKC salvaged a point through Serginho Greene's 88th minute leveller.