Data runs from 1871 to present. Stats relying on play-by-play data are complete back to 1973, mostly complete back to 1950, and somewhat complete back to 1915.
Sorting only sorts the values in the table shown.
For Single Seasons, Len Perme pitching adjusted to the 2022 , sorted by greatest Year, Batting Park Factor: 100, Pitching Park Factor: 100
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