I am amazed at the progress this kid made in a year, WOW! Not only at the body mass gain (looks like he's on 'roids) but how much he's learned to use his legs. While his lower half may not be perfect, the important thing is that he's learned to use his legs and his hips and he has plenty of time to perfect them.
One thing I noticed is that his hips open a bit too early. One thought that might help that is for him to try and keep his belly-button pointed at 3rd base as long as possible. That's a 'mental cue' that has helped me keep my front side in longer so that so I can create more torque at the end of my delivery.
