Jack O’Brien
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This biography was published in The 1883 Philadelphia Athletics: American Association Champions (2022), edited by Paul Hofmann and Bill Nowlin. Click here to download the e-book or purchase the paperback edition.
Full Name
John K. O'Brien
Born
June 12, 1860 at Philadelphia, PA (USA)
Died
November 20, 1910 at Philadelphia, PA (USA)
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