Fly-half is just about the most important position on the rugby pitch.
Normally charged with the kicking duties, he also has to boss the back-line and make the important decisions. What the players do outside him largely depends on whether he decides to pass, kick or run.
England's three options in this position throw up an intriguing debate. Each has their merits and faults, but which is the most likely to bring success for the national side?
Toby Flood, Owen Farrell or Freddie Burns.