New Zealand have been pretty ordinary in the field. This time, captain Kane Williamson puts down a simple backtracking at mid-off after Zadran has mistimed the full toss from Ferguson.
The fielder at thirdman gifts Afghanistan bonus runs as Gurbaz steers it towards the fielder whose poor throw gifts the batter two runs.
Three runs from Ferguson's second over as Afghanistan reach 55 for no loss in 10 overs.
Afghanistan have slowed quite a lot after the Powerplay, with 11 runs coming from the last four overs.
Gurbaz breaks the shackles as he swings Bracewell over midwicket for a six as Glenn Phillips takes a diving catch but ends up over the boundary.
Two balls later, Zadran also joins the party as he hits Bracewell over midwicket for another six.
This is clear change of tactics from Afghanistan as Gurbaz despatches the last ball again over midwicket for the third six of the over.
After a few tight overs, Afghanistan get back on track as Bracewell concedes 21 runs from his third over.
In the next over, Zadran flicks the second ball from Ferguson over midwicket for a six to continue the momentum.
Zadran inside edges the slower ball for a single and Gurbaz takes one off the last ball as 10 come from the 12th over.
A desperate New Zealand bring back Boult to make the breakthrough. Gurbaz taps the first ball on the off-side for a quick single but the overthrow gets him another run.
Gurbaz uses his feet to loft Boult straight down the ground to continue the flow of sixes.
Afghanistan didn't hit a single six in the first 10 sixes, but have since then hit five sixes in the space of 14 balls.
Gurbaz takes a single to bring up his fifty from 40 balls as Afghanistan continue their superb opening stand.