| Franchise | League | Founded | Titles |
|---|---|---|---|
| Seattle Metropolitans | Pacific Coast Hockey League | 1915 | 1 |
| Seattle Sounders FC | Major League Soccer | 2009 | 1 |
| Franchise | League | Founded | Titles |
|---|---|---|---|
| Seattle Metropolitans | Pacific Coast Hockey League | 1915 | 1 |
| Seattle Sounders FC | Major League Soccer | 2009 | 1 |