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| 1st(1st leg) | Rapid Wien | - | Rapid Bucureşti | 1:1 (1:0) | ||
| 2nd (2nd leg) | Rapid Bucureşti | - | Rapid Wien | 3:1 (1:0) | ||
| 1st(1st leg): 25/10/1972 | 2nd (2nd leg): 08/11/1972 | Winner: Rapid Bucureşti | ||||
| 1st(1st leg) | FC Carl Zeiss Jena | - | Leeds United | 0:0 (0:0) | ||
| 2nd (2nd leg) | Leeds United | - | FC Carl Zeiss Jena | 2:0 (0:0) | ||
| 1st(1st leg): 25/10/1972 | 2nd (2nd leg): 08/11/1972 | Winner: Leeds United | ||||
| 1st(1st leg) | Wrexham AFC | - | Hajduk Split | 3:1 (3:0) | ||
| 2nd (2nd leg) | Hajduk Split | - | Wrexham AFC | 2:0 (2:0) | ||
| 1st(1st leg): 25/10/1972 | 2nd (2nd leg): 08/11/1972 | Winner: Hajduk Split | ||||
| 1st(1st leg) | Cork Hibernians | - | FC Schalke 04 | 0:0 (0:0) | ||
| 2nd (2nd leg) | FC Schalke 04 | - | Cork Hibernians | 3:0 (2:0) | ||
| 1st(1st leg): 25/10/1972 | 2nd (2nd leg): 08/11/1972 | Winner: FC Schalke 04 | ||||
| 1st(1st leg) | Atlético Madrid | - | Spartak Moskva | 3:4 (0:1) | ||
| 2nd (2nd leg) | Spartak Moskva | - | Atlético Madrid | 1:2 (0:1) | ||
| 1st(1st leg): 25/10/1972 | 2nd (2nd leg): 08/11/1972 | Winner: Spartak Moskva | ||||
| 1st(1st leg) | Hibernian FC | - | KS Besa | 7:1 (2:0) | ||
| 2nd (2nd leg) | KS Besa | - | Hibernian FC | 1:1 (0:0) | ||
| 1st(1st leg): 25/10/1972 | 2nd (2nd leg): 08/11/1972 | Winner: Hibernian FC | ||||
| 1st(1st leg) | Ferencvárosi TC | - | TJ Sparta ČKD Praha | 2:0 (0:0) | ||
| 2nd (2nd leg) | TJ Sparta ČKD Praha | - | Ferencvárosi TC | 4:1 (2:1) | ||
| 1st(1st leg): 25/10/1972 | 2nd (2nd leg): 08/11/1972 | Winner: TJ Sparta ČKD Praha | ||||
| 1st(1st leg) | Legia Warszawa | - | AC Milan | 1:1 (0:0) | ||
| 2nd (2nd leg) | AC Milan | - | Legia Warszawa | 2:1 (1:1, 1:1) aet | ||
| 1st(1st leg): 25/10/1972 | 2nd (2nd leg): 08/11/1972 | Winner: AC Milan | ||||
