Here you can read all you need to know about Rugby Union. The positions , scrum , line out and the points system .
You play rugby with 15 players. There are two kind of players. The Forwards are usually heavy and not very fast the numbers of the Forwards are numbers 1 to 8. And the backs numbers 9 to 15 these players are usually more lightly built and faster.
A scrum is a way of restarting the game safely and fairly after a minor infringement.
Inside the scrum are 16 players (The Forwards) each