City police investigators said two of the men were in critical condition, the Pittsburgh Post-Gazette reported.
Sam Ashaolu, a 6-foot-7 forward who transferred to Duquesne from Lake Region Community College in North Dakota, was reported in critical condition at Pittsburgh's Mercy Hospital. Ashaolu is a cousin of former NBA Houston Rockets star Hakeem Olajuwon.
Stuard Baldonado, a 6-7 transfer from Miami Dade College, was reported in serious condition at Mercy Hospital, and Kojo Mensah, a transfer Siena College, was admitted to University of Pittsburgh Medical Center Presbyterian.
Aaron Jackson and Shawn James were treated and released.
The shooting occurred about 2:15 a.m. The basketball players had been at a dance, attended by the suspect with a group of people who were not believed to be students at the university.
The shots were fired after the two groups encountered each other outside the hall after the dance.
2014: The Year in Music [PHOTOS]