This isn't Shia's first bar fight.
In February, he was handcuffed after an altercation outside the Mad Bull's Tavern in Sherman Oaks, California which was reportedly sparked when a reveller called him a "f***ing f****t" - but he dismissed the incident as drunken horseplay.
He said: "I walked out to have a cigarette. I was away with some friends. Some guys instigated me and that's what it was. Some name calling.
"I didn't know them. It was just an awkward situation. I'm not trying to challenge anybody either, I was just there with my friends. People get drunk, people get crazy."
The fight ended when a security guard put the actor into a headlock and handed him over to police officers who were nearby, although no charges were made and no one was arrested.
Shia was also arrested for driving under the influence (DUI) in 2007 and was charged with misdemeanour criminal trespassing in 2008 after being found to be intoxicated in a Walgreen's pharmacy in Chicago.
- BANG! Showbiz