Rugby's governing body is set to promote Japan's national men's team to its Tier 1 group of nations alongside the powerhouses of the sport, sources familiar with the matter said Sunday.With the move, expected at a World Rugby board meeting in the coming weeks, the Brave Blossoms will join the 10 current Tier 1 teams and be part of the new "High Performance Union" framework.As the first Asian nation to rise to the top level of the sport, Japan has a chance to boost its presence in international rugby.The promotion to Tier 1 comes after Japan showed strong results in recent years such as thei…READ FULL ARTICLE