We have 2 slappers on our team that occasionally will hit a ball of their body while trying to slap or drag bunt. They have been called out a few times for the ball hitting them while out of the box, and other times it has been called a foul ball due to the batter still being in the box. When I ask umpires what constitutes the batter still being in the batter's box, I usually get two different answers. Answer 1: If the ball hits any portion of the body that is outside the batter's box, the batter is out. Answer 2: If the ball hits the batter and any portion of their body is still in the batter's box, it is a foul ball. Which answer is correct? The scenario that I see with slappers is that they make contact with their left foot on the ground completely inside the batter's box, but then the ball deflects off the right leg as they are taking the next step, with the right foot being out of the box but the left foot still within the confines of the box. The two interpretations above give me 2 different calls, out or foul. Also, right handers when they are bunting occasionally will bunt the ball and as they are leaving the box get struck by the ball. In most cases, the ump calls that a foul ball, even though at times the batter has one foot out of the box as they are starting to run to first base. What constitutes a batter still being in the batter's box when struck by a batted ball?