This article briefly describes suicidal deaths in the American professional baseball league from 1909 to 1941. Written by David Lester, the article includes details about the deaths of League President Harry Pulliam, batter Chick Stahl and batter Hugh Casey who is known for his close association with famous writer Ernest Hemingway. Casey completed suicide in 1943, ten years before Hemingway killed himself with a rifle shot to the head.