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Major League Miscellaneous Year-by-Year Averages and Totals
From baseball-reference.com; as used by u/SleepyLobster in DataIsBeautiful
From https://www.baseball-reference.com/leagues/majors/misc.shtml
This was used by u/SleepyLobster
in https://www.reddit.com/r/dataisbeautiful/comments/ob467k/oc_how_the_length_of_a_baseball_game_has_changed/
Source: Baseball ReferenceBaseball Reference
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