1987/88 - 0

1988/89 - 9 (European Champions Cup)
1. 26.10.1988 Milan - Vitocha (5:2) 2'
2. 26.10.1988 Milan - Vitocha (5:2) 13'
3. 26.10.1988 Milan - Vitocha (5:2) 43'
4. 26.10.1988 Milan - Vitocha (5:2) 84'
5. 10.11.1988 Crvena Zvezda - Milan (1:1) 34'
6. 15.03.1989 Milan - Werder Bremen (1:0) 31' (pen.)
7. 19.04.1989 Milan - Real Madrid (5:0) 49'
8. 24.05.1989 Milan - Steaua (4:0) 27'
9. 24.05.1989 Milan - Steaua (4:0) 46'

1989/90 - 3 (European Champions Cup) / 1 (European Super Cup)
10. 18.10.1989 Milan - Real Madrid (2:0) 14' (pen.)
11. 21.03.1990 Milan - KV Mechelen (2:0) 105'
12. 04.04.1990 Milan - Bayern Munich (1:0) 76' (pen.)

13. 23.11.1989 Barcelona - Milan (1:1) 44' (pen.)

1990/91 - 0

1991/92 - 0

1992/93 - 6 (European Champions Cup)
14. 16.09.1992 Milan - Olimpija Ljubljana (4:0) 5'
15. 16.09.1992 Milan - Olimpija Ljubljana (4:0) 50'
16. 25.11.1992 Milan - IFK Goeteborg (4:0) 34'
17. 25.11.1992 Milan - IFK Goeteborg (4:0) 53' (pen.)
18. 25.11.1992 Milan - IFK Goeteborg (4:0) 61'
19. 25.11.1992 Milan - IFK Goeteborg (4:0) 62'

in total: 18 goals in European Cups + 1 goal in Super Cup

Details on Serie A goals can be found here, and on Coppa Italia here.