FIFA on Wednesday said it had opened up an investigation on Luis Suarez for apparently biting Italy defender Giorgio Chiellini duringUruguay’s 1-0 win on Tuesday. If found guilty, the Liverpool striker faces a minimum ban of two games, or a maximum ban of 24 games or two years, whichever comes first. A ruling on the incidentwill be handed down before Uruguay’s round of 16 game against Colombia on Saturday.