| Europa League 1999/2000 - Appearances as Referee |  |
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 |
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| 15/09/1999 | Viking FK | - | Sporting CP | 3:0 | - | - | - |
| 20/10/1999 | Widzew Łódź | - | AS Monaco | 1:1 | - | - | - |
| Europa League 1999/2000 - Appearances as Referee | |
|
|
||||
| 15/09/1999 | Viking FK | - | Sporting CP | 3:0 | - | - | - |
| 20/10/1999 | Widzew Łódź | - | AS Monaco | 1:1 | - | - | - |
| Complete name: | Fiorenzo Treossi |
| Born: | 01/06/1959 |
| Place of birth: |
Forlí, 
Italy |
| Nationality: |
Italy |