How To Throw A Curveball In Softball. A backdoor curve is thrown no different than any other curve. After you’ve got that down, move on to the drills, which work great for learning the drop ball whether you’re doing a peel or turn over drop.
Also harder you throw more, the magnus effect will take effect. Although it’s a wily sort of pitch, the knuckleball serves a direct purpose:
5 Advanced Curveball Tips Baseball Training Baseball
Another way to get a tight rotation and hard downward movement with a curveball is to throw it with quicker arm speed. As you’re looking at the ball, place the middle finger of your pitching hand on top of the ball so the fingertip doesn’t touch the seams.