▁at ▁the ▁age ▁of ▁ 1 5 . ▁In ▁ 1 9 8 2 – 8 3 , ▁on ▁loan , ▁he ▁made ▁his ▁senior ▁deb uts ▁with ▁A . C . ▁For l ì ▁in ▁the ▁Serie ▁C 1 , ▁being ▁backup ▁in ▁a ▁re leg ation - ending ▁season . ▁ ▁After ▁two ▁more ▁lo ans , ▁Ros si ▁returned ▁to ▁Ces ena ▁for ▁the ▁ 1 9 8 6 – 8 7 ▁campaign , ▁only ▁missing ▁five ▁games ▁as ▁the ▁Em ilia - R om agna ▁club ▁promoted ▁to ▁Serie ▁A , ▁and ▁retain ing ▁first - choice ▁status ▁in ▁the ▁following ▁three ▁top ▁division ▁seasons , ▁with ▁the ▁team ▁finishing ▁ 1 2 th ▁in ▁ 1 9 8 9 – 9 0 ; ▁he ▁made ▁his ▁debut ▁in ▁the ▁competition ▁on ▁ 1 3 ▁September ▁ 1 9 8 7 , ▁in ▁a ▁home ▁match ▁against ▁S . S . C . ▁Napoli . ▁ ▁Milan ▁After ▁his ▁first ▁season ▁in ▁Italy ' s ▁top ▁flight , ▁Ros si ▁was ▁noticed ▁by ▁A . C . ▁Milan , ▁and ▁joined ▁the ▁Ros son eri ▁( also ▁dub bed ▁the ▁Dream ▁Team ) ▁that ▁domin ated ▁Italian ▁football ▁for ▁much ▁of ▁the ▁ 1 9 9 0 s . ▁In ▁his ▁debut ▁campaign ▁he ▁back ed ▁up ▁Andrea ▁P azz agli , ▁but ▁the ▁veter an ▁left ▁for ▁Bolog na ▁F . C . ▁ 1 9 0 9 ▁in ▁the ▁en su ing ▁summer . ▁ ▁Ros si