The All Blacks boss stuck to his word in the wake of Ireland's triumph, and even labelled Joe Schmidt's Ireland as the front-runners for next year's World Cup.
Steve Hansen has installed Ireland as World Cup favourites following tonight's 16-9 victory over his side in Dublin tonight.
Best said Ireland were anticipating a bruising battle.
Ireland have only beaten New Zealand once in 30 matches since they first met in 1905, but that win came in the United States two years ago.
Coach Joe Schmidt gave Leavy as long as possible to recover from "full-body soreness" from the 28-17 win against Argentina last weekend. "For us to challenge ourselves in these conditions is an exciting time".
But as Ireland prepare to face New Zealand before wrapping up their November campaign at home to the US next week, O'Driscoll says the result against the All Blacks is all that matters.
A determined Keith Earls run had the majority of the crowd on their feet as Ireland began to make headway and they eventually settled for three points from Sexton's boot when the All Blacks were penalised for offside.
Schmidt himself referred to the closing stages of that 2013 loss on Thursday, although he has now narrowed his focus to the heart-stopping finish when Ireland lost possession with 29 seconds of normal time remaining. "I know we have to prepare as well as we can physically".
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"It's a big piece of history for us and one we wanted to tick off in Ireland".
The game inevitably opened up and New Zealand's backline became more of a feature but Ireland, saved again by O'Mahony before he limped off to a hero's ovation on the hour, survived the onslaught.
"You need to starve New Zealand of the ball and I would start Dev as well", said Henry.
"You've got to admire all of that, it's winning and they'll punish you". There was only one try, and amazingly, Ireland scored it, thereby keeping the All Blacks' famed running game tryless.
Yet, a high tackle would allow Beauden Barrett to slot a penalty and draw the visitors back within seven points, but Ireland simply refused to be denied as they produced one massive final defensive effort to overcome the All Blacks.
"If New Zealand play really well they're impossible to beat but I'm backing this Ireland team at home".
"All Blacks coach Steve Hansen said that the victor of this game could justifiably claim to the world's best team and, while they remain No 2 on the rankings, Joe Schmidt's Ireland are top of the world". He added: 'These are the types of Test matches that get everyone up - it's No 1 v No 2 - and there's a real excitement that's building as we get closer to Saturday.