Since 2009, the Sounders have the best record in MLS. With 482 points from a record of 137-90-71, the Rave Green have been a dominant force since joining the league.
Here is a rundown of the team’s record against each opponent in MLS during the regular season:
| Atlanta United FC | |
| Chicago Fire | |
| Chivas USA | |
| Colorado Rapids | |
| Columbus Crew SC | |
| D.C. United | |
| FC Dallas | |
| Houston | |
| LA Galaxy | |
| Minnesota United | |
| Montreal Impact | |
| New England Revolution | |
| New York Red Bulls | |
| New York City FC | |
| Orlando City SC | |
| Philadelphia Union | |
| Portland Timbers | |
| Real Salt Lake | |
| San Jose Earthquakes | |
| Sporting KC | |
| Toronto FC | |
| Vancouver Whitecaps FC | |
| TOTAL | |
| no longer in MLS |
NOTES:
- Most Wins: Colorado Rapids, 15
- Most Losses: San Jose Earthquakes, 10
- Fewest Wins (minimum five matches): Montreal Impact, 2
- Fewest Losses (minimum five matches): Chivas USA, 2
- Best Winning Percentage (minimum five matches): Colorado Rapids, .681
- Worst Winning Percentage (minimum five matches): LA Galaxy, .250
- Home Record: 89-30-30 (241 goals for, 126 goals allowed)
- Road Record: 48-60-41 (190 goals for, 218 goals allowed)
- First Half: 196 goals for, 162 goals allowed
- Second Half: 235 goals for, 182 goals allowed
