Japan will face South Africa's Springboks in a warm-up test next year ahead of Rugby World Cup 2019, an informed source said Sunday.World Cup hosts Japan will play the two-time World Cup-winning Springboks next Sept. 6, apparently at Kumagaya Rugby Ground -- a World Cup venue near Tokyo. An announcement is expected in the coming days.The last time the two teams met Japan beat the Springboks 34-32 in their opening match at the Rugby World Cup in 2015, a result that has been called the greatest upset in rugby history.Japan, who next year will be in Pool A, are currently ranked 11th in the wor…READ FULL ARTICLE