| Europa League 1965/1966 - Appearances as Referee |  |
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| 16/09/1965 | DOS Utrecht | - | FC Barcelona | 0:0 | - | - | - |
| Europa League 1965/1966 - Appearances as Referee | |
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| 16/09/1965 | DOS Utrecht | - | FC Barcelona | 0:0 | - | - | - |
| Complete name: | Leo Callaghan |
| Born: | 05/02/1924 † 08/01/1987 |
| Place of birth: |
Wales |
| Nationality: |
Wales |