How to Hold the ball when throwing a curveball
This quick and easy tutorial is going to show you how to curve ball like many of the professional baseball players you see do. To begin you want to take a baseball in your dominate throwing hand and hold it so you have your middle finger on the seam where the two seams come closest together. If done correctly you should have your index finger just outside of the seam, it should be to the all the way left or right of both seams not in between. Now, just take your regular pitching motion and instead of just throwing the ball make sure to snap your wrist to get the movement on the ball you want.