ball in play data
blog post user notes analysis script Lahman pitcher data Lahman names BBR_sh_sf BBR_2024_patch 1930_79_BIP 1980_99_BIP 1912_29_BIP 2000_2024_BIP team_fielding_composite
Let’s (start) to look at pitchers’ balls-in-play propensities
I have a new toy: a dataset of “balls hit in play” that consists of the types of batted balls—infield ground balls, outfield flies, infield popups, etc.—that I coaxed out of the hieroglyphics that constitute Retrosheet play-by-play event codes, using a program for interpreting the same. There is a very high correlation between my results […]