Incident happened on Thursday night a little before 11 p.m. in the area of Sixth Avenue and Smithfield Street.
Investigators said one man suffered a deep laceration and was taken to the hospital in serious but stable condition.
Another injured man approached police on scene and was taken to the hospital in stable condition.
Police said a suspect was taken into custody and a weapon was retrieved at the scene.
Source: Two men stabbed in Downtown Pittsburgh
