
BREW MATHsummary
- PITCHf/x is a system developed by Sportvision and started in 2006. It uses two cameras to record the trajectory / spin of the ball from the pitcher’s hand to home plate.
- The Following Pitch Abbreviations Are Commonly Used:
- BREAKING
- CB/CU = Curveball
- KC = knuckle-curve
- SL = Slider
- FASTBALLS
- FA = fastball
- FC = fastball (cutter)
- FF = four-seam fastball
- FS / SI / SF = fastball (sinker, split-fingered)
- FT = two-seam fastball
- OFF-SPEED
- CH = changeup
- EP = eephus
- KN = knuckleball
- OTHER
- UN / XX = unidentified
- PO / FO = pitch out
- BREAKING
Further PitchF/x Reading
If you would like to learn more about the subject, BREW MATHs recommends starting at Brooks Baseball. They track every game and present complex data in a straightforward way: Brooks Baseball PitchF/x Tool
If you’d like to become a PitchF/x Jedi, check out “Interpreting PitchF/x Charts” by FanGraphs.