Just like a house needs a strong foundation, your movement pitches will not be effective without a strong foundation. That foundation is the fastball. All movement pitches stem from the mechanics of a fastball and it is important for pitchers at all levels to have a sound fundamental fastball.
Each movement pitch, (curve, rise, drop, or any combination) require subtle differences in the fastball motion in order for each pitch to work effectively. For example, typical curve ball pitchers cross their power line, finish across the body a little, and over rotate the hips to make the curve ball work. When repeating this motion over the course of a season, their fastball will eventually take on these characteristics and will result in more bad habits to over correct the curve ball style. Here is a few reasons why you should continue to use your fastball motion.
Reduced injury risks, better control, quickly find umpires strike zone, consistently hit spots, transition between pitches, and maintaining speed are goals for all pitchers. The overall goal is to make all your pitches look as close to a fastball as possible so motions do not begin to blend. Here are a few tips to improve movement pitches and maintain fastball mechanics.