I know the bodyguard was really buff and in shape. Tony is a big guy and not in good shape. Don't know if in reality a one on one fight between the two, who would win. However, in this case, Tony had the element of surprise on his side, throwing the first unexpected punch which gave him the edge. Did you see the shock on everyone's face? They were totally baffled. Then again, what do I know about fist fights?

TIS

"Mankind must put an end to war before war puts an end to mankind. War will exist until that distant day when the conscientious objector enjoys the same reputation and prestige that the warrior does today." JFK

"War is over, if you want it" - John Lennon