Pedzisa mutsara unotevera: Collovati akaberekerwa muTeor, muruwa rweUdine. Akakurira kuburikidza neAC Milan youth academy, akatanga muSerie A ne "rossoneri" mumwaka wa1976-77, maakatamba kagumi nerimwe uye akatokunda Coppa Italia. Mumwaka unotevera akatamba nguva dzose (25 kuoneka, 1 chinangwa) asi nguva yake yekupedzisira yakauya mumwaka wa1978-79 umo, nekuda kwekuonekwa kwake makumi maviri neshanu, akahwina "scudetto". Kutevera
Mumwaka wa1979/80, Milan yakadzikiswa kuSerie B nekuda kwekubatanidzwa kwavo muTotonero nhabvu yekubheja. Kusiyana nevamwe vatambi, Collovati akagara neMilan muSerie B uye akatamba mitambo makumi matatu nematanhatu achihwina zvibodzwa zviviri, kuhwina mukombe weligi mwaka iwoyo, uye kubatsira kirabhu kuwanazve kukwidziridzwa kuSerie A mwaka unotevera. Kudzoka muSerie A mwaka unotevera, Milan yakahwina Mitropa Cup naCollovati achishanda semutungamiriri wechikwata: zvisinei Milan yakadzikiswa kuSerie B zvakare, asi panguva ino nekuda kwekuita kwavo pamunda. Panguva ino, Collovati (uyo panguva iyi akadanwa ku "Nazionale") akafunga kujoina vadzivisi vemuno Inter Milan.