The Sunwolves are under no illusions about what they must do Saturday to beat the Melbourne Rebels in their second game of the Super Rugby season -- stop Amanaki Lelei Mafi and Will Genia.Japan international No. 8 Mafi was the Australian Super Rugby player of the year in 2017, while Wallabies scrumhalf Genia showed last week in the 45-19 win over the Reds that he is back to his very best."(Mafi) is well known to the Japan boys and a very good player," Sunwolves defense coach Scott Hansen said Friday at Prince Chichibu Memorial Rugby Ground. "Last year he had a huge influence in Super Rugby …READ FULL ARTICLE