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Feb 28, 2019 · Other than curveballs, which max out when thrown high, vertical location is fairly consistent across pitch types. Generally speaking, much lower, out of the zone, will get more whiffs than higher, out of the strike zone. The centers of each curve will differ, but within the probabilistic strike zone, our simple distance model fits nicely.
Jan 7, 2021 · Red equals more whiffs per swing, blue equals fewer: VAA behaves almost uniformly in the strike zone, whether you throw a flat-VAA pitch (a four-seamer!) or a steep-VAA pitch (a curve!). It is blue, blue, blue throughout irrespective of pitch height and of VAA — on average, there are virtually no gains to be had.
- Alex Chamberlain
Feb 17, 2014 · A curve can be used for ground balls, and at its best it’s not the best pitch for whiffs anyway. Tillman’s curve, for example, has re-affirmed my life choices, and also gets 64% ground balls, so it’s still a good pitch, just not for whiffs. The big bend, maybe. Estrada’s curve gets 59% ground balls, it’s his change that he uses for ...
- Eno Sarris
Feb 22, 2019 · Part of the difference in swing rates is decided by how often pitches find the strike zone, and once again, there are significant differences by count. On a 0-0 count, pitchers throw their four-seamers in the zone at a 56.4% rate, compared with 49.6% for curveballs. These zone rates plummet to 36.3% and 29.7% respectively in a 0-2 count, and ...
Feb 19, 2019 · This is the formula we’ll be using to define the strike zone: x = Adjusted px, shifted +0.125 for right-handed batters and -0.15 for left-handed batters. This is considered to go from +1 to -1. z = Centered around 2.5, going from 1.6 to 3.4 for an implied range of -0.9 to 0.9.
Feb 1, 2022 · A Visualized Primer on Vertical Approach Angle (VAA) by Alex Chamberlain. February 1, 2022. This time last year, I investigated where vertical approach angle (VAA) seems to matter most. The short answer: at the top of the strike zone for four-seam fastballs and at the bottom of the zone for sinkers and two-seam fastballs.
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Sep 14, 2015 · When it comes to the strike zone, you need to think three dimensionally. Editor’s Note: This piece was initially given as a presentation at the marvelous 2015 Saber Seminar. The strike zone has come under heavy fire lately from the analytics community, as the zone has expanded greatly in recent years — particularly here at The Hardball ...
