The 33-year-old victim had "inadvertently bumped shoulders with one of the men while texting on his phone" at about 12:30 am local time, police said in a statement.
"The man he bumped into took exception as a perceived slight and attacked the victim."
The altercation was captured by security cameras.
The victim was rushed to hospital in critical condition, while a 27-year-old man was arrested at the scene.
He faces assault and attempted murder charges.
A second suspect remains at large.