Carl William Mays was an American baseball pitcher who played 15 seasons in Major League Baseball from 1915 to 1929. During his career, he won over 200 games, 27 in 1921 alone, and was a member of four World Series-champion teams. On August 16, 1920, Mays threw the pitch that fatally injured Ray Chapman of the Cleveland Indians, the only major league player to die as a direct result of an on-field injury.

Raymond Johnson Chapman was an American baseball player. He spent his entire career as a shortstop for the Cleveland Indians.