Michael grew up on the South Shore of Massachusetts, but rebelled against his parents by rooting for the Orioles (eventually, he came to his senses). After receiving his Ph.D. in Astronomy from UC Berkeley, he spent five years as a post-doc at Princeton working on the Sloan Digital Sky Survey. He now lives in Rochester, NY, studying supernovae and listening to baseball games far too often.
Typically, it's only a good pitch if you've got bigger hands. That's because the pitch itself should be "choked" deep in the hand. This is how splitters get their downward movement. Your index and middle fingers should be placed on the outside of the horseshoe seam. The grip is firm. When throwing this pitch, throw the palm-side wrist of the throwing-hand directly at the target while keeping your index and middle fingers extended upward. Your wrist should remain stiff.
To throw start with your dominant hand facing away from the catcher facing sideways.  Bring up your front leg.  When you do this at the same time bring up your throwing arm with the ball facing away from the catcher 90 degrees to your shoulder like an L shape.  Then bring your arm down to your knee and release at the time necessary.  It should look something like the video.  He doesn't bring his arm and leg up at the same time but everyone's throw is a little different.

One thing I did with this pitch in college and in professional baseball was to always throw my two-seam fastball to the throwing-hand side of the plate and my four seam fastball to the glove-hand side of the plate. In other words, because I'm a righty, I'd throw two-seamers inside to right-handed batters and four-seamers away. I always liked how the feel of the grip of the two-seamer in my glove (when I was in my pre-pitch stance) let me know on a sub-conscious level that I was going inside on guy.


The athlete facing their partner will hold the KB Powerbands handle in one hand and raise their arm so their elbow is even with their shoulder and there is a 90 degree angle at the elbow. Athletes will move so there is tension on the resistance band and slowly rotate their hand forward, keeping the elbow and upper arm stationery. Athletes will perform a controlled motion for 4-5 seconds on the downward motion while maintaining a normal speed while returning to the starting position.
Master the "two-seam" fastball. Once you effectively use the two-seam grip and arm motion, creating sinking action on the ball, you will be better prepared to throw sliders. For the two-seam fastball, place your index finger and your middle finger directly on the narrow seams of the ball -- the top of the "U" in the stitching. Put your thumb on the bottom of the ball, on the smooth surface of the ball directly under the fingers. Grip the ball tightly to create friction and movement. Use the same arm motion as on a regular or "four-seam" fastball.
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My Scientific Formula For Big League Pitching Mechanics Package is the only complete “pitching clinic” home study course available that is backed by real sports science research. It’s designed for parents, coaches, and players of all ages. Whether you’re a pitcher just starting out, or an advanced pitcher looking for answers, we make it simple to understand for both the parent and pitcher.


Ok, so I know this whole page has the best baseball pitching drills on it, but out of this whole page, these are my two most favorite drills. The first is the wall drill and the second is the rocker drill. The second drill in this video is the same as Stevie’s favorite pitching drill that you’ll see below, but I go into a little further detail on how to perform this pitching drill correctly in this video. Check it out!