Marcus Smith stole the show as England inflicted a crushing 52-17 defeat on Japan and their former head coach Eddie Jones at Tokyo's National Stadium.
England have revealed Marcus Smith could miss the entire Six Nations because of the calf injury that has already ruled him out of upcoming clashes against Italy and Wales.
A calf injury to Marcus Smith will see the backline player miss England's opening Six Nations match against Italy.
England flyhalf Marcus Smith is awaiting scan results on a leg injury sustained in training just five days before the Guinness Six Nations' opener against Italy.
A host of rugby's most gifted players will go head to head over the coming weeks in the 25th instalment of the Guinness Six Nations.
England defence coach Kevin Sinfield labelled Marcus Smith as world-class after his performance at fullback against Fiji on Sunday.