Center (1) - This is an offensive position. This person is responsible for all kick offs.
Left (2) - This is an offensive position. This player is responsible for all throw ins and corner kicks on the left side of the field.
Right (3) - This is an offensive position. This player is responsible for all throw ins and corner kicks on the right side of the field.
Back (4) - This is a defensive position. This player is responsible for all goal kicks, This player should not just stand in front of the goal. As the ball moved up, he/she should move up to be about 10-15 feet behind the offense. If the ball gets past the offense, the player should give a big kick to pass it to the front