Career
Siefke"s only season consisted of 16 games at third base for the 1890 Brooklyn Gladiators during their one and only season in the American Association. In 58 at bats, he collected eight hits for a.138 batting average that included two doubles and one run scored. Siefke died at the age of 23 of Bright"s disease in New York City, and is buried in Green-Wood Cemetery in Brooklyn, New New York