During the pitching delivery, a pitcher’s total body needs to get to the right place at the right time with the right sequence of movements. The Mustard app looks at all the biomechanical variables of the pitching delivery in a way that is much more accurate than the eyes could ever be.

Head position is incredibly important in the pitching delivery. If your head moves too much, you’ll first have difficulty throwing strikes, and you’ll eventually run the risk of injuries from the excessive stress.

A pitcher’s drag line – literally, the line the back foot makes in the dirt - clearly show whether or not your body is where it should be during the pitching delivery.