Though several copycat leagues have appeared, the pre-eminent and most popular is the Runit Championship League.
Current Warriors halfback Chanel Harris-Tavita has appeared in promotions for Runit, advertised as a “special guest” for the first night of trials in Auckland.
When RNZ contacted the club for comment, a spokesman insisted the Warriors had nothing to do with the organisation.
"Don't do it," warns NZ Rugby's Pasifika engagement manager Eroni Clarke after the tragic death of a Palmerston North teen. Photo / Getty Images
His message to young people is: “Don’t do it, there’s too much risk involved, we’ve seen now the extreme of it and the high risk that it brings – head trauma and other things that it brings as well.
“I think about my own children and I think about Caleb and I’m thinking about his brothers and I’m thinking well certainly if there is a contact sport that I want them to play it’s rugby.”