Soccer fans around the world will never forget Zinedine Zidane's infamous headbutt delivered to Italian player Marco Materazzi during the 2006 World Cup. Materazzi said something provoking to the Frenchman and he reacted by going temporarily insane within a blink of an eye. The headbutt ultimately led Zidane to be sent off with a red card, completely altering the match, and resulting in a loss for France.
