England have taken a calculated risk for Sunday's World Cup quarter-final against Fiji by naming Marcus Smith at full-back in place of Freddie Steward.
England winger Johnny May says Marcus Smith is the quickest off the mark in the team at the Rugby World Cup.
Marcus Smith wants to see England fight with everything they have when they take on Ireland in the Six Nations on Saturday.
Marcus Smith has been recalled to the 36-man England squad for their Guinness Six Nations clash with France.
Owen Farrell has been entrusted with the fly-half duties for England's Six Nations clash with Italy as Marcus Smith was forced to make way.