Brian O'Driscoll has admitted Ireland were "biting their nails" right to the end of their hard-won win over Argentina today.

Argentina named superstar scrum-half and captain Agustin Pichot to play in the crucial pool match against Ireland in Adelaide on Sunday, even though the Stade Francais star was unable to train at all on Friday.

Ireland captain and hooker Keith Wood is shutting out talk of defeat in the past and retirement in the future to focus on the fierce personal battle he faces in the World Cup pool match against Argentina in Adelaide on Sunday.