
The very talented Bill Petti employs this standard approach on his excellent Edge % web app today’s article is in many ways an evolution of Bill’s Edge % work. This author wrote an entire article, wherein the basis of the research was where a pitch was located in an arbitrary square or rectangular zone. You might find some with slightly more complex shapes, with “L” shaped corners.

Some have larger “hearts” where the inner square is larger others are symmetrical grids. If you browse any modern baseball website, such as FanGraphs, Baseball Prospectus, MLB.com, and ESPN, you’ll find that they all depict the strike zone as subdivided into some form of a grid.

Let’s reimagine the strike zone, but not as a grid.įor many years, you’ve been led to believe that the strike zone should be divided into boxes, little boxes made of ticky-tacky arbitrary zones, little boxes in the strike zone, little boxes all the same.
