A split-finger fastball or splitter is an off-speed pitch in baseball that initially looks to the batter like a fastball but then seems to drop suddenly. Derived from the forkball, it is so named because the pitcher puts the index and middle finger on different sides of the ball.[1]
- ^ "Split-Finger Fastball, Once Popular, Is Falling Away". New York Times. Associated Press. October 1, 2011. Retrieved September 17, 2012.