The Strike Zone Is Imperfect, but Mostly Unchanged
Apr 21, 2021 · The strike zone doesn’t exist. Not physically, at least; it’s a rough boundary that varies based on how each umpire looks at it and how each batter stands. Catchers influence the shape, too;...
Rethinking the Strike Zone: It’s Not a Square
Feb 19, 2019 · We’re not talking about the rule book strike zone, which is very clearly a precise rectangle. We’re talking about the practical strike zone, a probabilistic zone that implies a likelihood of a...
Rethinking the Strike Zone: It’s Not a Grid - The Hardball Times
Feb 28, 2019 · The strike zone is a beautiful, constantly shifting puzzle; the pitcher has to decide, based on a host of variables, where he should aim his pitch. In part one, “It’s Not a Square,” we argued...
Maybe There’s No Such Thing as a Perfectly Fair Strike Zone
Dec 5, 2024 · Every pitch either touches the strike zone or doesn’t and that’s that. On the other hand, humans are imperfect, so the zone they call features plenty of gray. Pick any spot in or near the...
Strike Zone: Fact vs. Fiction - The Hardball Times
Jul 11, 2007 · The STRIKE ZONE is that area over home plate the upper limit of which is a horizontal line at the midpoint between the top of the shoulders and the top of the uniform pants, and the lower level...
Pitch Framing Is Evolving Along With the Strike Zone
Feb 27, 2023 · In 2010, pitches in the strike zone accounted for 73% of a player’s framing runs. In 2022, they accounted for 83%. However, there are parts of the zone where catchers are both converting and...
A Historical Study of the Strike Zone and the Offensive Environment
Feb 18, 2015 · “The Strike Zone is that space over home plate which is between the top of the batter’s shoulders and his knees when he assumes his natural stance. The umpire shall determine the Strike...
How the Strike Zone Alters by Count | Community Blog
Oct 13, 2017 · Four of the first five are two-strike counts, where umpires seem to favor the batter. The average rate in those zones in the past five years, regardless of count, is 22.45%. The rate on all...
Plate Discipline (O-Swing%, Z-Swing%, etc ... - Sabermetrics Library
Feb 18, 2010 · Zone% = Pitches in the strike zone / Total pitches. F-Strike% = First pitch strikes / PA. SwStr% = Swings and misses / Total pitches. Here are the 2014 plate discipline leaderboards for hitters...
Visualizing and Quantifying Strikes Zone Changes Over Time
Feb 2, 2016 · No, instead let’s focus on the strike zone and more specifically two things: (1) visualizing the strike zone from 2008 to 2015 and (2) using a standardized set of pitches look at how those...