Professor of electrical engineering and computer science at the University of California, Irvine Glenn Healey, tried to separate out each of the measurable forces on the baseball so that only the seam-shifted effect would remain. … He found that the effect was largest on sinkers and changeups—the two pitches in baseball that have seen the largest drop in usage over the last few years, coincidentally—and provided a list of pitchers that saw the most “side-force” effect in 2020. [Subscription required, you can request an electronic copy of the article by sending an email to communications@uci.edu.] Read More