Mazzola wuxuu dhaliyay laba gool sanadkii 1964 si uu uga caawiyo Inter inay ka adkaato Real Madrid Finalkii Koobka Yurub ee 1964 si uu uga caawiyo kooxda inay ku daydaan horyaalka magaalada Milan ee xilli ciyaareedkii hore; wuxuu ku dhammeeyay tartanka isagoo ah goolhayaha ugu sareeya ee wadajirka ah toddobo gool. Inter ayaa difaacday horyaalkooda Yurub mar kale xilli ciyaareedkii xigay iyagoo garaacay Benfica finalka. Inter ayaa laga saaray semi-finalka koobka Yurub intii lagu jiray xilli ciyaareedkii 1965-66 oo ay ku guuleysteen Real Madrid, halka xilli ciyaareedkii 1966-67, Inter ay gaareen finalkoodii saddexaad ee koobka Yurub, laakiin waxaa laga badiyay 2-1 Celtic inkasta oo Mazzola uu dhaliyay goolka furitaanka ee ciyaarta laga bilaabo ganaaxa daqiiqadii toddobaad. Mazzola wuxuu sidoo kale ku guuleystay labo koob oo Intercontinental ah oo isku xigta Inter 1964
iyo 1965, wuxuuna gaadhay finalka 1964<unk>65 Coppa Italia, sidoo kale wuxuu maareeyay kaalinta saddexaad ee Coppa Italia intii lagu jiray xilli ciyaareedkii 1967<unk>68; wuxuu gaadhay final kale oo ah Koobka Yurub ee Inter sanadkii 1972, kaliya inuu 2-0 kaga badiyay Ajax.