In union its a winger in league its a second row
no# 15 is a full back in rugby union
Any position can score in the game of union or league
winger
Outside Centre.
There is no Goal Keeper position in either code of rugby.
Wing Forward (Flankers) numbers 6 and 7.
The open side (7) and blindside flankers (6).
Its someone who can play centre across all the positions in a rugby teams back position
jarrod hayne
loosehead prop
centres
Usually number 8