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Sep 14, 2015 · This is crucial especially for pitches that are above the strike zone at the front edge of the plate. For a pitch released at 90 mph at a vertical release angle of -1 degrees, the ball will drop almost two inches over the course of that extra 1.4 feet of home plate; certainly enough drop for a pitch to fall into the strike zone.
- Eric Lang
Jun 19, 2023 · The 90-mph pitch starts off with a horizontal velocity and zero vertical velocity. ... 0 and 60 degrees that get the pitch into the strike zone. Now I can display the different paths as an ...
- Evaluating Effective Velocity
- Deriving Estimates of Effective Velocity
- Does A Hitter’S Production Peak at 90 Ev Mph?
- Why Do Pitches Outside +/- 6 Ev Mph Induce Significantly Better Outcomes?
- Is A Pitcher’S Performance Influenced by Whether He Abides by Ev Principles?
- Does Ev Sequencing Theory Benefit from Precise Zone Adjustments?
- Main Takeaways
In searching for a place to begin researching the effects of pitch sequencing on performance, we decided to investigate one of the more well-established and popular theories surrounding pitch sequencing: Perry Husband’s Effective Velocity (EV)Theory. Effective Velocity is arguably one of the most widely-believed theories on pitch sequencing and has...
For us to validate the claims of EV theory, we first need to obtain a set of adjustments that allow us to add or subtract the proper amount of MPHs to a pitch at a given location. While this should have been an easy first step, the literature on EV theory lacked consensus zone adjustments that were both publicly and privately available and specific...
With Effective Velocity now accounted for in our database of over 2.8 million pitches, we first wanted to verify one of the most straightforward claims in EV theory: batters are able to perform at their highest levels when facing a pitch thrown at 90 EV MPH. For those unfamiliar with this claim, EV theory states that hitters are geared to hit a 90 ...
Without being able to definitively determine why an increase in the difference of EV MPH on back-to-back pitches induces significantly betteroutcomes for batters, we hypothesize that pitches with large differences in an EV MPH sequence, after controlling for pitch type, are largely a result of a pitcher missing his spot. For example, if a pitcher i...
With two attempts to validate EV theory on a per-pitch level having failed to provide much support for the basic tenets of EV, we decided that it would be best to shift our overall focus to examine the concepts of Effective Velocity on a per-season perspective. Perhaps some of our findings in our analyses above could have been caused by poor pitch ...
By confirming our suspicions that fallacious zone adjustments were interfering with our ability to accurately measure whether EV sequencing theory has any validity at the MLB level, we were motivated to re-run our earlier test on EV sequencing theory to see if our preliminary findings would be affected. So, we broke out our newly created EV adjustm...
Why Do Perceived and Effective Velocity Have Little Impact on Pitch Outcomes?
As we wrap up our analysis on EV theory, we are left wondering why Effective and Perceived Velocity do not provide additional information related to overall performance when compared to raw Release Speed. Surely controlling for batter reaction time has to account for something, right? In our opinion, we believe that Effective and Perceived Velocity fall short of the mark because both inherently contain unnecessary assumptions that oversimplify complex interactions with a batter’s ability to p...
What Do These Results Mean for Pitch Sequencing Moving Forward?
In spite of the belief that EV theory can provide pitchers with an ultimate sequence for success, the analyses above find very little indication that EV theory is effective at the MLB level. While disappointing, we find it important to acknowledge that pitch sequencing will likely always be an art-form to some extent, and that Perry Husband’s EV theory has helped pave the way for some of the more important qualitative discoveries surrounding pitch sequencing in the past decade. As a result, w...
Sep 14, 2024 · The strike zone remains the centerpiece of a hitter’s approach. By mastering it—knowing where it is, understanding the types of pitches thrown into it, and recognizing when to swing or let the ...
In baseball, the strike zone is 17 inches wide while the height of the strike zone is between the bottom of the hitter’s knee and the midpoint between the batter’s shoulders and the top of their pants. The strike zone is set when the batter is preparing to swing. Don’t worry if the strike zone seems complicated.
Jul 11, 2007 · The red rectangle represents the strike. zone. I’ve mapped the vertical location of each pitch to an average. strike zone that goes from 1.6 feet to 3.56 feet. This removes the. batter-to-batter variation and allows me to show a single strike zone. in the plots. Home plate is 17 inches wide, but the horizontal.
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Aug 6, 2023 · One of the key factors that can affect the strike zone is the batter's stance. The strike zone is not fixed but rather dependent on the batter's stature and posture at the plate. If the batter is squatting or crouching, the strike zone shrinks vertically , making it difficult for the pitcher to aim at a smaller area. On the other hand, if the ...
