| Major League Soccer 2014 - Appearances as Referee |  |
 |
 |
||||
| 09/03/2014 | D.C. United | - | Columbus Crew | 0:3 | 5 | - | - |
| Major League Soccer 2014 - Appearances as Referee | |
|
|
||||
| 09/03/2014 | D.C. United | - | Columbus Crew | 0:3 | 5 | - | - |
| Complete name: | Andres Pfefferkorn |
| Born: | |
| Place of birth: |
USA |
| Nationality: |
USA |