Nice job. But you want to get the ball a bit closer so it fills up more of the frame - and then crop some more. While you did a nice job trying to get the ball in focus it's a very tiny part of the frame. As it is, the pitcher is in focus and his face is in shadow. But he's also filling up a tiny portion of the frame.
Look down a bit on this thread and you'll see a photo showing what I'm talking about from another shooter: