| Champions League 1973/1974 - Appearances as Referee |  |
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| 03/10/1973 | APOEL Nikosia | - | Zorya Voroshilovgrad | 0:1 | - | - | - |
| Champions League 1973/1974 - Appearances as Referee | |
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| 03/10/1973 | APOEL Nikosia | - | Zorya Voroshilovgrad | 0:1 | - | - | - |
| Complete name: | Liuben Radunchev |
| Born: | 20/07/1931 |
| Place of birth: |
Bulgaria |
| Residence: | Sofia |
| Nationality: |
Bulgaria |