Plank!
did you bother reading the fact the 3 twats waited outside for him and then followed him to his car before they got a good kicking
if it was unprovoked then fair enough he deserved all he got but ive seen stories of people doing far worse and getting less time just look at the story of people doing the same to PhiLFC#1's mate and getting away with it
for example barton got 6 months for beating the living daylights out of guys including a 16 year old and he was on bail at the time for hitting a team mate