| Major League Soccer 1999 Playoffs - Appearances as Referee |  |
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| 16/10/1999 | Los Angeles Galaxy | - | Colorado Rapids | 3:0 | 3 | 1 | - |
| Major League Soccer 1999 Playoffs - Appearances as Referee | |
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|
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| 16/10/1999 | Los Angeles Galaxy | - | Colorado Rapids | 3:0 | 3 | 1 | - |
| Complete name: | Marcel Yonan |
| Born: | |
| Place of birth: |
USA |
| Nationality: |
USA |