| Round of 16 | 23/02/2018 | Santa Tecla FC | - | Seattle Sounders | 2:1 |  |
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| Round of 16 | 02/03/2018 | Seattle Sounders | - | Santa Tecla FC | 4:0 | |
| Round of 16 | 23/02/2018 | Santa Tecla FC | - | Seattle Sounders | 2:1 | |
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| Round of 16 | 02/03/2018 | Seattle Sounders | - | Santa Tecla FC | 4:0 | |
| Gerson Levi Mayén Villavicencio | |
| Born: | 09.02.1989 |
| Place of birth: |
Los Angeles, California, 
USA |
| Nationality: |
El Salvador
USA |
| Height: | 175 cm |
| Weight: | 68 kg |
| Position(s): | Left Midfielder Central Midfielder |
| Foot: | right |