New Sunwolves head coach Tony Brown said Friday that Japan national team members in line to play at Rugby World Cup 2019 will need to prove themselves if they are to play Super Rugby next year.The 43-year-old former All Black, who will combine his new role with that of assistant coach to the Japan national team, said that while Brave Blossoms head coach Jamie Joseph would pick the initial Sunwolves squad, he and Scott Hansen would be in charge of the week-to-week running of the side and they would pick the best players available every week."It's very similar to the New Zealand sides with th…READ FULL ARTICLE