| Major League Soccer 2011 Playoffs - Appearances as Referee |  |
 |
 |
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| 30/10/2011 | Real Salt Lake | - | Seattle Sounders | 3:0 | 4 | - | - |
| 06/11/2011 | Sporting Kansas City | - | Houston Dynamo | 0:2 | 5 | - | - |
| Major League Soccer 2011 Playoffs - Appearances as Referee | |
|
|
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| 30/10/2011 | Real Salt Lake | - | Seattle Sounders | 3:0 | 4 | - | - |
| 06/11/2011 | Sporting Kansas City | - | Houston Dynamo | 0:2 | 5 | - | - |
| Complete name: | Mark Geiger |
| Born: | 25/08/1974 |
| Place of birth: |
USA |
| Nationality: |
USA |