The home side had all but secured the points by half-time with Dries Mertens, Ola Toivonen, Tim Matavz and Jeremain Lens all scoring against the league's bottom team.
They noticeably eased off after half-time - Gil Vermouth grabbing a consolation - and appeared content to sit on what they had to leapfrog back above AZ Alkmaar on goal difference.
Heerenveen moved up to third with a 1-0 win at 10-man RKC Waalwijk.
The home team were up against it from the half-hour mark after Evander Sno was shown a straight red card.
And Rajiv van La Parra made them pay with the only goal of the game five minutes before half-time at the end of a flowing move.
Heerenveen are above Feyenoord on goals scored with the Rotterdammers today beating Vitesse Arnhem 3-1.
John Guidetti, on a season-long loan from Manchester City, grabbed a hat-trick for Feyenoord, his third treble in five games.
Nicky Hofs grabbed Vitesse's goal from the penalty spot after 41 minutes.
Lex Immers levelled two minutes before the break to ensure the spoils were shared between FC Utrecht and ADO Den Haag at Stadion Galgenwaard.
Frank Demouge had put the hosts ahead on the half-hour mark but Immers capitalised on a scramble in the Utrecht box to draw his side level.
The push for more color on their cleats, adidas has added the infrared colorway to the adiZero f50 Line.
One of the top soccer cleats for control the Nike CTR360 will not let you down on the field in tight spaces.
Borussia Dortmund hears Wembley Calling and are headed to London for the Champions League final.
The Liverpool 2013/14 soccer jersey is available for pre-order. The Reds are eager to compete for silver next season.
The new PUMA evoSPEED 1.2 FG. A great new soccer cleat with classic look and first time for PUMA to be on the cleat.
Ajax has released their away soccer jersey for the 2013/14 season. Get in the Gear.
Bayern Munich are kings of Germany and hope to be crowned kings of Europe at Wembley later this month!
adidas has added some color to the Predator line with this new colorway. Released on May 17. Be the first to own a pair.
The Juventus jersey for the 2013/14 was released earlier this week. Be the first to wear the colors of the Old Lady.
The adidas Nitrocharge is the most talked about new cleat in years. It was released on May 15 and will take your pitch by storm.