INSTRUCTIONS:
* The attacking team aims to maintain possession of the ball and keep the ball away from the defenders for as long as possible.
* The defending team has no players in the grid to start.
* At 10 second intervals the coach shouts out a number and the defender with that number enters the grid (sprints in) to
attempt to help regain possession or simply play the ball out the playing area.
Joining any other defenders already in the grid.