Not cool bro, not cool.
James Roberts comes to mind, ripped it up in the Juniors, seemed to have all the talent in the world.
The Nikorima boys both showed immense promise at the Broncos, but fair to say neither have set the world on fire. Seems most Warriors fans agree that he has a good game in every six or so.
I'd also throw maybe a Kevin Locke into the mix. Started his career very well, even playing for a Kiwis a number of times, but by the time he was what, 24 or 25 or so it was all but done.