A man was stabbed in the neck in an unprovoked attack outside of a pub near Madison Square Garden after Friday night’s Rangers game, police said.

The 25-year-old victim was in the outdoor seating area of Féile — an Irish pub at 131 West 33rd Street about a block away from the Garden — when a man walked up to him and stabbed him in the neck around 11:10 p.m., authorities said.

The attacker, who was unknown to the victim, fled the scene on foot. But he was quickly arrested after police canvassed the area, cops said.

The victim was transported to Bellevue Hospital where he is recovering with non-life-threatening injuries, police said.

Cops were seen patrolling outside the packed bar after the incident.