That's an excellent animation and (I assume) a fair bit of effort for the data mining. That there were any players born on the west coast playing professionally before 1900 is kind of mindblowing. Did the bay area have an early adoption of baseball (and is there some history there)?
(And to answer my own question: Yes: https://www.foundsf.org/index.php?ti..._San_Francisco)
(And to answer my own question: Yes: https://www.foundsf.org/index.php?ti..._San_Francisco)
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