With Islanders' defenseman Travis Hamonic in the penalty box for tripping, Brad Richards passed from down low to the right of the goal and out to the high slot, where Gaborik scored with a wrist shot under the crossbar and over the right shoulder of Islanders goalie Evgeni Nabokov.
Richards scored two goals, while Brian Boyle scored the other Rangers goal and Gaborik added an assist.
Rangers goalie Henrik Lundqvist made 16 saves.
Hamonic had two assists and Nabokov made 32 saves in the Islanders' third straight loss.
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