| AFC Champions League 2018 - Appearances as Referee |  |
 |
 |
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| 24/10/2018 | Suwon Bluewings | - | Kashima Antlers | 3:3 | 4 | - | - |
| AFC Champions League 2018 - Appearances as Referee | |
|
|
||||
| 24/10/2018 | Suwon Bluewings | - | Kashima Antlers | 3:3 | 4 | - | - |
| Complete name: | Mark Geiger |
| Born: | 25/08/1974 |
| Place of birth: |
USA |
| Nationality: |
USA |