 Nyorai kuenderera mberi kweiyi ndima - Mumwaka unotevera, Milan yakakundwa mu2003 Supercoppa ItaliananeJuventus pazvirango. Milan yakakunda Porto 10 mufainari ye2003 UEFA Super Cup, asi yakarasikirwa nemapeneti kuBoca Juniors mufainari ye2003 Intercontinental Cup. Costacurta akarasikirwa nechirango chinogumisa mukupfura. Zvisinei, Milan yakahwina mukombe weSerie A muna 2003-04 nekurekodha mapoinzi makumi masere nemasere, naCostacurta, ipapo aive nemakore makumi matatu nemanomwe, achikunda mukombe wake wechinomwe weligi neMilan chete Virginio Rosetta, Giuseppe Furino, Giovanni Ferrari naGianluigi Buffon vane mazita mazhinji eSerie A, aine mazita masere mumwe nemumwe. Muna 2004, Costacurta akasarudzwa 50th muEFAFA Golden Jubilee online poll, iyo yaipemberera vatambi venhabvu veEuropean kubva pamakore makumi mashanu apfuura. 