The shooting happened around 12:30 a.m. Monday outside the Kick Start Bar, located at the intersection of 5th and Huntingdon streets.
Police say a fight between two men started inside the bar, spilled outside, and led to gunfire.
The victim, who was not involved in the fight, was shot to the arm. He was taken to the hospital in stable condition.
There is no word on arrests and suspects at this time.