Sure, you are enjoying catching and throwing ball sessions with your kiddo and now he has even volunteered to try hands on baseball. Did you notice that now he is able to catch a small sized with much accuracy. He no longer skips and his grip has also improved.
What you need to know:
This improvement is a clear sign of developing mind and muscle coordination. His mind gives his hands signals when to take hold of the ball and now he is able to do it accurately. Bring in more muscle improving activities in his schedule to stimulate his mind coordination with all his muscles.