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Jack Theis Biography

Jack Theis
Jack Theis
  • Born July 23, 1891

John Louis Theis (July 23, 1891 – July 6, 1941) was a pitcher in Major League Baseball. He played for the Cincinnati Reds. Theis holds the record shared by many for the lowest ERA in MLB history, having not allowed an earned run in the only game of his career.


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