Elmer Jacobs

William Elmer Jacobs (August 10, 1892 – February 10, 1958) was a pitcher in Major League Baseball from 1914 to 1927. He played for the Philadelphia Phillies, Pittsburgh Pirates, St. Louis Cardinals, Chicago Cubs, and Chicago White Sox. Jacobs' key pitch was the curveball. In 1926, he was suspended for 10 days after being caught with foreign substances on the mound.