We all know what happened to Marco Materazzi in the 2006 World Cup final, he got his name on the scoresheet with a powerful header and than just before the end in extra time he had a ‘conversation’ with the now retired Zidane who knocked him down with a mortal combat style headbutt :D.
So, Materazzi has decided that the humiliation of being knocked down is just too much, thus he has teamed up with Nike to build a new training method.
Enjoy: