New York Knickerbockers in 1851 became the first baseball team to wear uniforms. The uniform consisted of full-length blue pants, white shirts, and straw hats. The team players were also very involved in defining baseball’s rules and codes of conduct.
Casey at the Bat was printed for the first time in 1888 in the San Francisco Examiner. Although it was published anonymously, the author was Ernest L. Thayer. Children can read a copy of the poem at: Casey.