I have video taped my son's swing and studied it. It appears that at the point the bat impacts the ball, his shoulders have fully turned (opened) and are square to the pitcher. As a result, it seems that it is hard for him to keep his head down over the plate. The video frame usually shows his head facing the pitcher and perhaps one eye straining to watch the ball hit the bat. Are there any drills that he can do that will help him time his shoulder turn and thus more easily keep his head on the ball and both eyes in the hitting area.
Thanks, Patrick Schneemann