Michael James Proly (born December 15, 1950) is an American former Major League Baseball pitcher who played from 1976 to 1983 for the St. Louis Cardinals, Chicago White Sox, Philadelphia Phillies, and Chicago Cubs.

Mike attended Chaminade High School and was selected by the St. Louis Cardinals in the 9th round (213th overall) of the 1972 MLB June Amateur Draft from St. John's University in Queens, NY.

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