Kammala wannan magana: Bayan shekaru biyu na tsananin gasa da kuma 'yan wasa masu cin zarafi, Ƙungiyar Ƙasa da Ƙasar Amirka sun yi zaman lafiya, kuma, a matsayin ɓangare na yarjejeniyar, ƙungiyoyi da dama sun haɗu don wasanni na nuni bayan kakar 1903. Wadannan jerin sun shirya ta kungiyoyin da ke halartar, kamar yadda wasannin Wasannin Wasannin Duniya na 1880s suka kasance. Ofaya daga cikinsu ya dace da masu cin nasara biyu, Pittsburgh Pirates na NL da Boston Amurkawa (wanda daga baya aka sani da Red Sox) na AL; wannan an san shi da
An buga gasar cin kofin duniya ta 1903 a Huntington Avenue Grounds. An shirya shi sosai a gaba ta masu mallakar biyu, kamar yadda ƙungiyoyin biyu suka kasance jagororin league ta manyan gefuna. Boston ta tayar da Pittsburgh da wasanni biyar zuwa uku, ta lashe nasara tare da zurfin jefawa a bayan Cy Young da Bill Dinneen kuma tare da goyon bayan ƙungiyar Royal Rooters. Jerin ya kawo girman kai ga jama'a a Boston kuma ya tabbatar da sabuwar kungiyar Amurka za ta iya doke Nationals.