This person is an extra player to play in the front row position. This player can only come on if all of the other front row players have been used and an injury occurs. The reason the 23rd man has been introduced is to prevent uncontested scrums, which occur when when too many front row player get injured as it is a very specialized position and if an unexperienced player had to play that position without proper training it could be very dangerous for the other front row players.
In a union side there are 15 players plus subs on the bench per side. In the league code there are 13 players perside (thry do not use flankers) plus subs.
15 a side with 7 subs on the bench
in the union code there are 15 each side (plus 7 on bench subs) allowed on the firld and in the league code its 13 a side. Th
15 plus subs in union 13 plus subs in league
15 plus subs in a union team and 13 plus subs in a league team
15 plus 5 subs in union and 13 plus 5 subs in league
In union its 15 per side plus subs in league its 13 a side plus subs
In the Union game there are 15 players perside and 5 subs and in the League code there are 13 players perside and 4 subs
15 players plus subs in union and 13 plus subs in league per side
15 each side plus 5 subs allowed for each side 30 on the pitch at anyone time with a total of 10 subs between both teams.
In the Union code there are 15 players per side plus 5 subs League is 13 players per side plus subs
there is 22 players in a team. but only 15 play at a time you can roll subs so others can go on