What are the most controversial moments in World Cup history?

During the FIFA World Cup 2006 final, France captain Zinedine Zidane headbutted Italy's Marco Materazzi in his farewell match. Uruguay's Luis Suárez bit Italian Giorgio Chiellini in a 2014 World Cup match and was banned for nine international matches. Maradona scored a goal using his hand against England in the World Cup 1986 quarter-final, which was called 'Hand of God'.