1. Round | 16/09/1980 | FC Porto | - | Dundalk FC | 1:0 | ||||
1. Round | 01/10/1980 | Dundalk FC | - | FC Porto | 0:0 | ||||
2. Round | 22/10/1980 | FC Porto | - | Grasshopper Club Zürich | 2:0 | ||||
2. Round | 04/11/1980 | Grasshopper Club Zürich | - | FC Porto | 3:0 aet |
1. Round | 16/09/1980 | FC Porto | - | Dundalk FC | 1:0 | ||||
1. Round | 01/10/1980 | Dundalk FC | - | FC Porto | 0:0 | ||||
2. Round | 22/10/1980 | FC Porto | - | Grasshopper Club Zürich | 2:0 | ||||
2. Round | 04/11/1980 | Grasshopper Club Zürich | - | FC Porto | 3:0 aet |