| Champions League 1969/1970 - Appearances as Referee |  |
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 |
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| 01/10/1969 | Ferencvárosi TC | - | CSKA Sofia | 4:1 | - | - | - |
| 12/11/1969 | TJ Spartak TAZ Trnava | - | Galatasaray | 1:0 | - | - | - |
| Champions League 1969/1970 - Appearances as Referee | |
|
|
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| 01/10/1969 | Ferencvárosi TC | - | CSKA Sofia | 4:1 | - | - | - |
| 12/11/1969 | TJ Spartak TAZ Trnava | - | Galatasaray | 1:0 | - | - | - |
| Complete name: | William Joseph Mullan |
| Born: | 30/03/1928 † 13/11/2018 |
| Place of birth: |
Dalkeith, 
Scotland |
| Residence: | Cardenden |
| Nationality: |
Scotland |