Well the answer is finally out here
This incident probably cost France the World Cup and was the last touch by this Great Football Player on a Football ground. Sad that the man famous for his flamboyant moves and silken touches left the ground after landing a very hard blow to a irritating Italian.

he deserved it especially after what he muttered in zizu’s ear!!!
he said your mam is a bitch
who gives a shit? that was freakin’ awesome
He said hes mother and syster and his selv was in Al_QAIDA
Its a terrorist team
When Materazzi grabbed Zidane’s jersey, Zidane offered it to him sarcastically. Materazzi then replied, “preferisco quella puttana di tua sorella” (I prefer the whore that is your sister), which resulted in the headbutt.
i like cheese
pee is cool