The men ages 19 to 25 were standing in the area just before midnight when a gunman walked up and opened fire.
Chicago police say two men, ages 22 and 25, sustained gunshot wounds to the stomach and were taken to Christ Hospital in serious condition. A 21-year-old man sustained gunshot wounds to both legs and was taken to Mt. Sinai Hospital in serious condition. The fourth victim, a 19-year-old man, sustained a gunshot wound to the toe. He was taken to Holy Cross Hospital in good condition.
Witnesses told police the gunman was heavyset and wearing a yellow shirt.
No arrests have been made early Tuesday.