The game's found a place at Parliament where Labour MPs Stuart Nash, Napier, and Grant Robertson, Wellington Central, tried to decide it on the pass of a ball, when they possibly should have been trying to pass a bill.
"There is always a friendly rivalry when our teams play," Mr Nash said.
"I think I'm ahead, to be honest." The Napier MP will be at the Park, Mr Robertson in front of a TV screen, but the story will be told in their text messages.
"There's a dozen beers in this result. Go the mighty Bay."
Tickets are available at the Union's McLean Park offices, on line at www.ticketdirect.co.nz or phone 0800 224224. Gates open at 6pm. The buildup includes a mascots race and youth opera group Prima Volta leading the national anthem.