Japan claimed their second straight win in the Pacific Nations Cup on Saturday, beating Tonga 41-7 at Hanazono Rugby Stadium to set up a winner-takes-all clash against the United States.Japan, playing the second of four matches held in the lead-up to the Rugby World Cup, followed up their 34-21 win over Fiji by dominating the 'Ikale Tahi, ranked 14th in the world, on an impressive effort from their pack.The Brave Blossoms were led by assistant coach Tony Brown after head coach Jamie Joseph returned to New Zealand following the death of his mother. World No. 11 Japan have now won nine of the…READ FULL ARTICLE