| 2. Round | 17/05/2021 | Seattle Sounders | - | Los Angeles FC | 2:0 | ||||
| 4. Round | 23/07/2021 | Austin FC | - | Seattle Sounders | 0:1 | ||||
| 4. Round | 26/07/2021 | Seattle Sounders | - | Sporting Kansas City | 1:3 | ||||
| 4. Round | 31/07/2021 | Seattle Sounders | - | San Jose Earthquakes | 0:1 |
| 2. Round | 17/05/2021 | Seattle Sounders | - | Los Angeles FC | 2:0 | ||||
| 4. Round | 23/07/2021 | Austin FC | - | Seattle Sounders | 0:1 | ||||
| 4. Round | 26/07/2021 | Seattle Sounders | - | Sporting Kansas City | 1:3 | ||||
| 4. Round | 31/07/2021 | Seattle Sounders | - | San Jose Earthquakes | 0:1 |
| Reed Vanarthur Baker-Whiting | |
| Born: | 31.03.2005 |
| Place of birth: |
Seattle, WA, 
USA |
| Nationality: |
USA
|
| Height: | 180 cm |
| Weight: | 73 kg |
| Position(s): | Left Midfielder Left Back |
| Foot: | right |