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| 1st(1st leg) | FC Nantes | - | Valencia CF | 2:1 (1:0) | ||
| 2nd (2nd leg) | Valencia CF | - | FC Nantes | 4:0 (2:0) | ||
| 1st(1st leg): 09/04/1980 | 2nd (2nd leg): 23/04/1980 | Winner: Valencia CF | ||||
| 1st(1st leg) | Arsenal FC | - | Juventus | 1:1 (0:1) | ||
| 2nd (2nd leg) | Juventus | - | Arsenal FC | 0:1 (0:0) | ||
| 1st(1st leg): 09/04/1980 | 2nd (2nd leg): 23/04/1980 | Winner: Arsenal FC | ||||
