| Europa League Qual. 2012/2013 - Appearances as Referee |  |
 |
 |
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| 22/08/2012 | VfB Stuttgart | - | Dinamo Moskva | 2:0 | 2 | - | - |
| Europa League Qual. 2012/2013 - Appearances as Referee | |
|
|
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| 22/08/2012 | VfB Stuttgart | - | Dinamo Moskva | 2:0 | 2 | - | - |
| Complete name: | William Collum |
| Born: | 18/01/1979 |
| Place of birth: |
Glasgow, 
Scotland |
| Residence: | Motherwell |
| Nationality: |
Scotland |
| Profession: | Lehrer |
| Height: | 174 cm |
| Weight: | 69 kg |