Ku qor sii wadida sadarkani - Intii lagu jiray xilli ciyaareedkiisii 1903 ee rookie, Gibson wuxuu ahaa ninkii afaraad ee wareegga Boston oo ay ku jiraan Cy Young, Bill Dinneen, Long Tom Hughes, George Winter iyo Nick Altrock. Wuxuu ka jawaabay 13<unk>9 calaamad, 76 strikeouts, iyo 3.19 wareegyada la tuuray. Sidaas ayuu ku guuleystay giraanta Taxanaha Adduunka isagoo xubin ka ahaa Mareykanka oo ku guuleystay Taxanaha Adduunka ee ugu horeeyay
xilli ciyaareedkaas, inkastoo Gibson uusan ciyaarin sida Collins uu isticmaalay kaliya seddex tuure, Young, Dineen iyo Hughes, xilli ciyaareedkii oo dhan. Xilli ciyaareedkiisii labaad wuxuu ahaa mid aad u wanaagsan, markii uu diiwaan geliyey 17 guul, 112 gool, 2.21 ERA iyo 273.0 wareegyo, dhammaan xirfadaha ugu sarreeya, maadaama boqolkiiba guusha.592 uu ka dhigay kaalinta toddobaad ee ciyaartoyda American League. Labadii sano ee soo socotay, waqtigiisa ciyaareed wuxuu ku koobnaa dhaawacyada gacanta. Waxa uu ka fariistay ka dib xilli ciyaareedkii 1906.