| 1. Round | 12/03/2017 | Impact de Montréal | - | Seattle Sounders | 2:2 | ||||
| 1. Round | 19/03/2017 | Seattle Sounders | - | New York RB | 3:1 | ||||
| 2. Round | 09/04/2017 | San Jose Earthquakes | - | Seattle Sounders | 1:1 | ||||
| 2. Round | 15/04/2017 | Vancouver Whitecaps | - | Seattle Sounders | 2:1 | ||||
| 3. Round | 18/05/2017 | Sporting Kansas City | - | Seattle Sounders | 3:0 | ||||
| 3. Round | 27/05/2017 | Seattle Sounders | - | Portland Timbers | 1:0 | ||||
| 3. Round | 01/06/2017 | Columbus Crew | - | Seattle Sounders | 3:0 | ||||
| 4. Round | 17/06/2017 | New York City FC | - | Seattle Sounders | 2:1 | ||||
| 7. Round | 11/09/2017 | Seattle Sounders | - | Los Angeles Galaxy | 1:1 |  |
Jamaica