The All Blacks need a player who the rest of the world hasn’t analysed to death.
It was four years ago, at Eden Park against the Wallabies, that the genius of Israel Dagg became apparent. It was Dagg who made the miracle run to set up Ma'a Nonu's try and Dagg was the man who pulled the Wallabies defence this way and that.
Back then he was the All Blacks' X-factor - the wild-card element that gave New Zealand an unknown, fresh and dynamic force at fullback.
But what is he now? That's arguably the biggest question to emerge from the team that has been selected to exact revenge on Australia. It would seem that one way or another, the coaches have made up their minds about Dagg. They have, obviously, seen enough in his first three tests to have reached a conclusion about whether they are going to take him to the World Cup or not.
And on this, there are two schools of thought. The first is that he's done enough to provide certainty that he's match fit and with his experience, booming right boot and ability to nudge forward and play first receiver, he has to go to England.