Baseball Math, Baseball History, and Whatever Else
David HarrisCreativity with Baseball Numbers
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baseballmath.substack.comLatest Issues
Notes and Essays, 10/16/26
N1: Combining his minor and major league totals over the last two years,1 Petey Halpin has grounded into just 1 double play in 851 at-bats. It came on July 18 against the Pirates’ Khristian Curtis2 when he grounded one just to the left of t...
Notes and Essays, 10/15/26
N1: Garrett Mitchell didn’t have much of a follow through on that home run last night, and a 23-degree launch angle probably isn’t enough on the fly ball side for optimal distance, yet it was still estimated as a 428-foot blast. This is one...
Notes and Essays, 10/14/26
N1: If you haven’t finished “Matching Up of the Micro to the Macro” and take such pleasure in research studies that you don’t entertain spoilers and only want things revealed in the due course of the piece, please don’t look at this note. F...
Matching Up of the Micro to the Macro
To now launch into a bit of an extended footnote1 to the RBI/E.R.A. ratio piece that made a composite measure of the individual leading hitters and pitchers in the same year, my preference is always to compile lists for MLB as a whole rathe...
Notes and Essays, 10/13/26
N1: There probably aren’t many lists where you would expect to see Jac Caglianone rated near the bottom, and certainly not in slugging percentage. But looking at slugging percentage with two strikes over 2025-2026 (minimum 350 AB), I found...
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