New Zealand will run out at the Aviva Stadium on Sunday looking to do what no side in the professional era has done. A 100 percent record in a calendar year is within their grasp.
Standing in their way, a side who have never beaten the All Blacks and, at present, are entering a period of transition.
For talisman Brian O’Driscoll, if passed fit, this will be his last crack at New Zealand. Memories of the injustice of his exit from the 2005 Lions tour in New Zealand remain raw for many supporters who would love to see the old warrior go out with a bang.
Let’s take a look at the key battles.