The Ireland team to face New Zealand in the World Cup quarter-finals will be named later today.
James Ryan looks set to miss out with a hand injury, while Mack Hansen is in a race against time with a calf problem.
Keith Earls, Robbie Henshaw and James Lowe are all expected to be in contention to play on Saturday.
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Ireland legend Brian O'Driscoll believes one area of the game in particular will be key this weekend.
