The fight happened around 1:55 a.m. on February 5th.
Investigators say a group of friends was outside the Penthouse Club in the 3100 block of Castor Avenue when they got into a fight with another group.
During the fight, one man picked up a large brick and slammed it into another man's head.
Police say the suspect then picked up the brick and struck the victim a second time.
The man who was struck blacked out, suffering multiple facial fractures, police said.
RELATED: See surveillance video of the assault.
The man who used the brick is described as approximately 30 to 40 years old, balding with black hair and wearing a white shirt.
Anyone with information is asked contact the Philadelphia Police Department at 215-686-TIPS (8477) or at phillypolice.com.