Zunaid bhai - dictionary r thesauras (sp) niye boshchen (not that you need one) money hoi. WELCOME BACK. Never got a callback from you but I forgive you as long as you say that you weren't rooting for Italy.
The guy obviously said something to deserve the headbutt but Zizou should have held back. Given the audience and the venue, I am pretty sure you would have restrained yourself in that situation. Take any action you'd would later, maybe help the guy to an early retirement.