With Japan's famous win over Ireland on Saturday they have set up a possible quarterfinal matchup with South Africa, and the Springboks are wary of how dangerous the home team can be to their World Cup title chances.Speaking after his team cruised to a 54-point win over Namibia in Toyota on Saturday, South Africa coach Rassie Erasmus said he was not at all surprised the Brave Blossoms might be in a position to win their pool and be his team's first opponent of the knockout stage."I always knew Japan was a realistic contender for going to the quarterfinals," said Erasmus."If they beat Scotla…READ FULL ARTICLE