| 1. Round | 20/03/2009 | Seattle Sounders | - | New York RB | 3:0 | ||||
| 1. Round | 29/03/2009 | Seattle Sounders | - | Real Salt Lake | 2:0 | ||||
| 2. Round | 26/04/2009 | Seattle Sounders | - | San Jose Earthquakes | 2:0 | ||||
| 4. Round | 14/06/2009 | Seattle Sounders | - | San Jose Earthquakes | 2:1 | ||||
| 4. Round | 21/06/2009 | New York RB | - | Seattle Sounders | 1:1 | ||||
| 5. Round | 11/07/2009 | Seattle Sounders | - | Houston Dynamo | 2:1 | ||||
| 5. Round | 25/07/2009 | Seattle Sounders | - | Chicago Fire | 0:0 | ||||
| 6. Round | 09/08/2009 | Real Salt Lake | - | Seattle Sounders | 1:0 | ||||
| 6. Round | 24/08/2009 | Houston Dynamo | - | Seattle Sounders | 1:1 |  |
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| 7. Round | 13/09/2009 | D.C. United | - | Seattle Sounders | 1:2 | ||||
| 7. Round | 27/09/2009 | New England Revolution | - | Seattle Sounders | 2:1 | ||||
| 8. Round | 04/10/2009 | Columbus Crew | - | Seattle Sounders | 0:1 |  |
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| 8. Round | 18/10/2009 | Kansas City Wizards | - | Seattle Sounders | 2:3 | |
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| 8. Round | 25/10/2009 | Seattle Sounders | - | FC Dallas | 2:1 |
USA