This is how you throw a Four-seam Fastball: thumb directly under first and second fingers which are spread across the horseshoe if the ball. Throw it like your playing catch. The four-seam fastball is the fastest pitch a pitcher can have. It is also the straightest.
Type of Pitches
Fastballs: Four-seam Fastball, Two-seam Fastball, Splitter, Cutter, Sinker, Forkball
Off speed: Changeup, Palmball, Screwball,Knuckleball
Breaking Pitches: Curveball, Slurve, Slider