player performing the Rollball, may receive 
the ball at the Rollball and shall do so without delay. That player is referred to as 
the Half.
13.9 The Half may control the ball with a foot prior to picking up the ball. 
13.10 A player ceases to be the Half once the ball is passed to another player.
13.1 1 Defending players are not to interfere with the performance of