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There were also alleged shouts of "I've got a dollar for you" delivered at the pace bowler.
Teammate Mohammad Hafeez apparently alerted the umpires and team security staff to the money-waving spectator. A noble act really, considering he and one-day international skipper Azhar Ali were the players who publicly protested Amir's return to the national squad.
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Those two are now assisting his reintegration with Ali stating:
"My job is to try to get the best out of him.
"We have moved on, we are united and... whatever my stance was, my job is to lead and keep harmony in the dressing room."
In a perfect world, Amir would be offered forgiveness.
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Who's never made a mistake they regretted as an 18-year-old? He cheated with two older and more experienced cronies, and his moral code was corrupted on a global scale.
However, cricket grounds provide a natural theatre for a barrage of retribution.
New Zealand sporting crowds, in this writer's experience, can be among the most venomous in the world; sometimes boorish and often lacking subtlety.
Amir is not the first visitor to require the skin of a Rhinoceros once a Kiwi crowd's had a skinful of amber courage.
If he weathers this initial spike in vitriol it will only get easier as he rekindles his career.
In a way the verbal jibes only underline the hurt he caused the cricketing world.
He should breath it in, absorb it and use it as an incentive to sustain his cricketing career.
There are undoubtedly less appealing forms of employment than travelling around the world than swinging a bat and ball. He remains an outstanding bowler, so he can still fashion his own destiny.