There are a few variants of some of the names of the forwards, but here is a list of all positions.
FORWARDS
Prop x2
Hooker
Second Row x2
Flanker x2
Number Eight
BACKS
Scrum Half
Fly Half
Centre x2
Winger x2
Fullback
no# 15 is a full back in rugby union
15 players in a rugby team
There are 13 players on the pitch in each rugby league side, as opposed to 15 in rugby union teams. The difference is in the forwards. Rugby union teams have 8, but rugby league teams survive with only 6.
There are 15 players from each team on the field during a rugby union match.
Matt Smith - rugby union - was born on 1985-11-15.
James Webb - rugby union - was born on 1863-01-15.
Eddie Thompson - rugby union - was born on 1906-12-15.
John Solomon - rugby union - was born on 1929-10-15.
Tommy Smyth - rugby union - died on 1928-05-15.
Dawson Turner - rugby union - was born on 1846-12-15.
Jamie Burke - rugby union - was born on 1980-10-15.
John Arthur - rugby union - died on 1921-03-15.