Four-seam fastball - Maximum velocity and should have best command. This is the most important pitch because everything else works off of it.
Two-seam fastball (a.k.a. sinker) - This fastball does just that, it sinks. A very good pitch for inducing ground balls.
Cut-fastball - Holding the ball slightly off center, it will run away from the arm side. Usually a few mph slower than a four-seam fastball. Good for jamming hitters.
Split-finger fastball - Strictly an out pitch. Dives down hard at home plate, many times getting missed swings.
Change-up - Slower than a fastball, but thrown with the same arm action. The arm speed is very important in getting the maximum effectiveness. This pitch helps control bat speed.
Curveball - Most often a strikeout pitch. Dives down as it gets to home plate. Many times the velocity is as effective as th ...