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- 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.
tht.fangraphs.com/analyzing-the-strike-zone-as-a-three-dimensional-volume/
Jun 19, 2023 · The 90-mph ball takes only 0.012 seconds to travel through the strike zone, but the 30-mph high ball spends 0.022 seconds in there. That's almost twice as long, so it’s probably easier to hit.
- 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 · According to Major League Baseball (MLB) rules, the strike zone is defined as the space over home plate between the midpoint of the batter's shoulders and the top of their knees when the batter...
Major League pitchers frequently top out at over 90 mph for their fastballs. This means umpires have very little time to judge whether the pitch falls inside the strike zone or outside of the strike zone. The Height of the Strike Zone is Determined By Player Height and Batting Approach
Strike Zone Sizes Crouching Batters. We consider the strike zone a static area, although, in reality, it is a moving target. "As the batter is prepared to swing at a pitched ball," an umpire has to guess the height of the batter's letters and his knees.
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Jun 20, 2017 · The most common complaints or arguments during a baseball game revolve around the home plate umpire and his call of the strike zone. During a nine-inning game the home plate umpire might see 300 pitches.
