John Malarkey
1872–1949John Malarkey earned a win by hitting his own walk-off home run.
Particulars
John Malarkey became the only pitcher in major league history to earn a victory by hitting his own walk-off home run.
On September 10, 1902, he hit a solo home run against St. Louis Cardinals pitcher Mike O'Neill in the bottom of the 11th inning, giving the Boston Beaneaters a 4–3 victory in the second game of a doubleheader at South End Grounds.
Compiled from Wikipedia. Automated record.