According to police, the men began to verbally assault the worker around 6:30 on the morning of December 27.
One of the suspects then picked up the employee and flipped him twice on his head, knocking him unconscious.
The victim suffered broken bones, a fractured vertebra and loss of hearing.
The Philadelphia Police Department is asking for help identifying the two attackers, who were captured on Geno's Steaks surveillance video.
One suspect is described as a white man, 18-25-years-old, 5'8"-5'10", brown coat, dark pants, and brown hair.
The second suspect is described as a white man, 18-25-years-old, 5'10"-6'0", glasses, light colored baseball hat, brown hair and a yellow/white/tan coat.
Anyone with information is asked to call Philadelphia police.
