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William Joseph Ferrazzi (April 19, 1907 – August 10, 1993) was an American Major League Baseball pitcher. He played for the Philadelphia Athletics during the 1935 season. Ferrazzi graduated from the University of Florida with a bachelor's degree in education in 1935.
Ferrazzi was the son of Italian American immigrants, Anastasio "Ernesto" Ferrazzi and Giuseppina Rossini. His father worked as a stone cutter in the granite quarries of Quincy, MA.