This data is from MLB games from 1957-2020, including postseason games. It omits games that are less than 9 innings (doubleheaders in 2020) as well as extra inning games where a runner starts on second base (non-playoff games in 2020). All data is available at Retrosheet.
Articles written with this data:
Source files available on GitHub.
The information used here was obtained free of charge from and is copyrighted by Retrosheet. Interested parties may contact Retrosheet at 20 Sunset Rd., Newark, DE 19711.