Not positive that I understand your question but here is a good thread that discusses what I think you are asking.
http://www.discussfastpitch.com/softball-pitching/1348-internal-rotation.html
The fastball will not have a 6 to 12 spin but should be more like 5 to 11.
Last year mid-season DD was show the screwball release as a quick fix to have her stop pitching to the right. Tried to stop it months ago and still occasionally pops up.
http://www.discussfastpitch.com/softball-pitching/1348-internal-rotation.html
The fastball will not have a 6 to 12 spin but should be more like 5 to 11.
Last year mid-season DD was show the screwball release as a quick fix to have her stop pitching to the right. Tried to stop it months ago and still occasionally pops up.