| Champions League 2003/2004 - Appearances as Referee |  |
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 |
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| 01/10/2003 | RC Celta | - | AC Milan | 0:0 | 5 | - | - |
| 25/11/2003 | Deportivo La Coruña | - | AEK Athen | 3:0 | 4 | - | - |
| 09/03/2004 | Olympique Lyon | - | Real Sociedad | 1:0 | 4 | - | - |
| Champions League 2003/2004 - Appearances as Referee | |
|
|
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| 01/10/2003 | RC Celta | - | AC Milan | 0:0 | 5 | - | - |
| 25/11/2003 | Deportivo La Coruña | - | AEK Athen | 3:0 | 4 | - | - |
| 09/03/2004 | Olympique Lyon | - | Real Sociedad | 1:0 | 4 | - | - |
| Complete name: | Michael Riley |
| Born: | 17/12/1964 |
| Place of birth: |
Rotherham, 
England |
| Residence: | Leeds |
| Nationality: |
England |
| Height: | 185 cm |
| Weight: | 78 kg |