This is a video I made for a class in college. I was a former pitcher for Oregon State and Lewis Clark State College. I know the video is very basic but I hope you can gain some knowledge from it.
Additional Videos Below.
https://www.youtube.com/watch?v=ZuErBJ025xs&feature=youtu.be
Pitching Accuracy
https://www.youtube.com/watch?v=fmn1xPxvK2w&feature=youtu.be
Pitching Program
https://www.youtube.com/watch?v=dPe0RIrxtdc&feature=youtu.be