 Ramba uchiverenga ndima ino - Kaká aive chikamu chemunhu mashanu wepakati mumwaka wa2004-05, kazhinji achitamba munzvimbo yakadzoserwa kumashure kwemurwi Andriy Shevchenko. Akatsigirwa naGennaro Gattuso naClarence Seedorf vachidzivirira, pamwe naMassimo Ambrosini, vachibvumira Kaká semurwi wepakati anorwisa uye Rui Costa kana Andrea Pirlo semutambi akadzika-kugara kuti ave nebasa rekugadzira mikana yekuwana zvibodzwa zveMilan, achiumba chikwata chakasimba chepakati muItari neEurope. Milan yakatanga mwaka nekukunda Supercoppa Italiana vachipesana neLazio. Akarova zvibodzwa zvinomwe mumitambo makumi matatu nematanhatu yemumba sezvo Milan yakapedza semumhanyimunhangemutange yeScudetto. Milan yakasvikawo kumaquarter-fainari eCoppa Italia mwaka iwoyo. Kaká akaita basa rakakosha mumushandirapamwe weMilan weChampions League mwaka iwoyo, achivabatsira kuti vasvike kumagumo vachipesana neLiverpool, vachipinza zvibodzwa zviviri uye vachipa rubatsiro rwekubatsira vashanu. Yakadaidzwa kuti Chishamiso cheIstanbul, Milan yakatungamira 30 muhafu yenguva, Liverpool isati yaita kudzoka, ichipinza zvibodzwa zvitatu mumaminitsi matanhatu, uye pakupedzisira yakahwina mutambo uyu 32 pazvirango. Mutambo uyu unonzi ndeumwe wemakwikwi akakura kwazvo munhoroondo yemakwikwi aya, Kaká aive nesimba muchikamu chekutanga; akatanga kuhwina kurohwa kwekutanga kwakatungamira kuchinangwa chekutanga chaPaolo Maldini, akazotanga kutamba kwakatungamira kuchinangwa chekutanga chaHernán Crespo uye chechipiri cheMilan husiku, asati aita curling refu yakapfuura iyo yakatsemura dziviriro yeLiverpool uye yakanyatsopinda munzira yaCrespo kuti iite chinangwa chechitatu cheMilan. Kaká akasarudzwa zvakare kuBallon dOr neFIFA World Player yeGore Awards, achipedzisa wechipfumbamwe uye wechisere, uye akatumidzwa zita ra2005 UEFA Club Nhabvu Yakanakisa Midfielder. 