The 2006 FIFA World Cup Final featured a headbutt of which future manager of Chennaiyin?
2006 FIFA World Cup Final:  France's Zinedine Zidane was sent off in his last-ever match, for headbutting Italy's Marco Materazzi's chest in retaliation to Materazzi's verbal provocation. Marco Materazzi: Marco Materazzi (] , Ufficiale OMRI; born 19 August 1973) is an Italian former professional footballer who was last the manager of Indian Super League club Chennaiyin.
Marco Materazzi