The term 'Slaughter of the Diamond' refers to a baseball game that took place in 1892 between the Chicago Colts and the Boston Beaneaters. The game was won by the Colts, with Enos Slaughter scoring the winning run. Enos was a professional baseball player who played for the St. Louis Cardinals from 1938 to 1953. He is best remembered for his base running and hustle, which earned him the nickname 'COUNTRY'.