Kammala jumla mai zuwa: Boston Red Sox ne 'yan wasan kwallon kwando na Amurka da ke Boston. Red Sox suna gasa a cikin Babban Wasannin Baseball (MLB) a matsayin ƙungiyar memba na Leagueungiyar Amurka (AL) Gabas ta Gabas. An kafa shi a matsayin ɗayan lasisi na lasisi na takwas na League League, filin wasan ƙwallon ƙafa na Red Sox ya kasance Fenway Park tun. An zabi sunan "Red Sox" ne daga mai mallakar kungiyar, John I. Taylor, a kusa da 1908, bayan jagorancin kungiyoyin da suka gabata da aka sani da "Boston Red Stockings", ciki har da magajin Atlanta Braves. Teamungiyar ta lashe gasar cin kofin duniya tara, ta yi daidai da na uku mafi yawan kowace ƙungiyar MLB, kuma sun buga a 13. Kwanan baya da suka yi a gasar cin kofin duniya kuma suka yi nasara. Bugu da kari, sun lashe gasar zakarun Amurka, amma ba su iya kare matsayinsu ba.
Gasar Zakarun Duniya ta 1903 lokacin da New York Giants suka ƙi shiga cikin Wasannin Zakarun Duniya na 1904.