|Date of birth||3 August 1900|
|Place of birth||Kolozsvár, Austria-Hungary|
|* Senior club appearances and goals counted for the domestic league only|
Schönfeld made his professional debut as a goalkeeper in 1916 for Austrian team SpC Rudolfshügel, but was later converted into a striker. He moved to Sportclub Meran in 1921, and in 1923 moved to Italian side Torino, where he became the top scorer in the 1923-1924 Serie A, scoring 22 goals. He spent one season with Inter Milan, before returning to Austria in 1926 with Hakoah Vienna. He later spent time playing in the American Soccer League with Brooklyn Wanderers, Brooklyn Hakoah and New York Hakoah. He played in Italy between 1930 and 1933 for Juventus Trapani.
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