A Baseball Weblog

Wednesday, April 13, 2011

2010 League Averages by Pitch Type

I have been wanting to do this for a while, and I've finally gotten around to it.  The tables below show the league averages by pitch type for many of the metrics I typically use here. 





#Swing RateWhiff RateZone RateChase RateWatch RateFoul RateBall RatensCall RateRV/100xRV/100
Fastball262,588.444.162.479.268.364.431.356.360-0.14-0.21
Sinker130,440.441.122.459.284.374.381.362.352+0.00-0.02
Slider98,164.474.313.419.345.347.314.371.295-0.73-0.76
Changeup79,370.499.288.372.363.273.297.386.231-0.28-0.15
Curveball63,580.396.281.403.294.453.317.413.316-0.26-0.34
Cutter39,796.488.209.456.318.309.387.352.312-0.36-0.42
Splitter9,261.515.352.352.392.257.304.390.197-0.82-1.04

697,108.453.208.445.302.358.373.368.327-0.24-0.28


GB RateFB RateLD RatePU RateHR/FBwOBAcon
Fastball.385.329.196.091.103.363
Sinker.522.245.188.045.109.353
Slider.444.296.178.082.112.345
Changeup.482.267.180.071.116.336
Curveball.499.256.185.060.114.346
Cutter.448.272.197.084.106.353
Splitter.566.230.159.044.137.338

.450.288.189.074.109.353



  • Yes, the run values are pretty funky.  They're out of date and the expected values don't perfectly add up to the actual ones.  This is something for me to fix for this year.

  • nsCall is called rate on non-swings, or called strikes over called strikes plus balls.  It's a different way of showing Harry Pavlidis's B:CS metric.  

  • Four-seam fastballs have the lowest HR/FB of any pitch.  Hanging breaking pitches get hit out the most.

  • Speaking of HR/FB, my values add up to be pretty different from BIS's at Fangraphs.

  • The "curveball" group contains a few eephus pitches as well (I have some from Vicente Padilla, Chad Billingsley, and Roy Oswalt).  

  • I also have knuckleballs (including Tim Wakefield, R.A. Dickey, and Charlie Haeger) and screwballs (Danny Herrera and Dallas Braden) classified, but didn't include them here because of the sample size.  Also, generic fastballs ("FA") that were neither specified as a four-seamer or sinker were not included.


  • UPDATED 7/27/11

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