Postion yourself between and tyhe base you want the ball to come  to..  Get the outfielders to throw an strike over your head to a predetermined base.   From 9 to 5, from nine to 4 or 6. , from 8 to 4, from 8 to 5; from 7 to 4, or from 7 to 6.  Always get your pitcher to back up your third baseman in throws from the outfielders.