| MLS | 26/05/14 | Los Angeles Galaxy | - | Philadelphia Union | 4:1 | ||||
| MLS | 04/06/15 | Philadelphia Union | - | Columbus Crew | 3:0 | ||||
| MLS | 18/07/15 | Toronto FC | - | Philadelphia Union | 2:1 |
| MLS | 26/05/14 | Los Angeles Galaxy | - | Philadelphia Union | 4:1 | ||||
| MLS | 04/06/15 | Philadelphia Union | - | Columbus Crew | 3:0 | ||||
| MLS | 18/07/15 | Toronto FC | - | Philadelphia Union | 2:1 |
| Zachary Louis Pfeffer | |
| Born: | 06.01.1995 |
| Place of birth: |
Dresher, PA, 
USA |
| Nationality: |
USA
|
| Height: | 177 cm |
| Position(s): | Offensive Midfielder |
| Foot: | both |