Games
| date | competition | season | team | score | team | venue | referee | attendance | sources |
|---|---|---|---|---|---|---|---|---|---|
| May 23, 2015 | MLS | 2015 | Seattle Sounders | 0 - 0 | Sporting Kansas City | CenturyLink Field | Jair Marrufo | 40653 | 2 |
| May 23, 2015 | MLS | 2015 | FC Dallas | 1 - 2 | Montreal Impact | Saputo Stadium | Chris Penso | 13020 | 2 |
| May 23, 2015 | MLS | 2015 | Portland Timbers | 0 - 1 | Toronto FC | BMO Field | Jorge González | 23569 | 2 |
| May 23, 2015 | MLS | 2015 | D.C. United | 1 - 1 | New England Revolution | Gillette Stadium | Mark Geiger | 15216 | 2 |
| May 23, 2015 | MLS | 2015 | Colorado Rapids | 1 - 0 | Vancouver Whitecaps | DSG Park | Jose Carlos Rivero | 17791 | 2 |
| May 23, 2015 | MLS | 2015 | New York City FC | 0 - 2 | Real Salt Lake | Rio Tinto Stadium | 20801 | 2 |
Standings
| team | competition | season | GP | W | T | L | gf | ga | gf/ga |
|---|---|---|---|---|---|---|---|---|---|
| D.C. United | MLS | 2015 | 12 | 6 | 4 | 2 | 14 | 10 | 1.40 |
| FC Dallas | MLS | 2015 | 12 | 6 | 3 | 3 | 18 | 15 | 1.20 |
| Seattle Sounders | MLS | 2015 | 11 | 6 | 2 | 3 | 17 | 9 | 1.89 |
| Vancouver Whitecaps | MLS | 2015 | 13 | 6 | 2 | 5 | 14 | 12 | 1.17 |
| New England Revolution | MLS | 2015 | 13 | 5 | 5 | 3 | 18 | 16 | 1.13 |
| Real Salt Lake | MLS | 2015 | 12 | 4 | 5 | 3 | 12 | 15 | 0.80 |
| Sporting Kansas City | MLS | 2015 | 12 | 4 | 6 | 2 | 17 | 15 | 1.13 |
| Toronto FC | MLS | 2015 | 10 | 4 | 1 | 5 | 14 | 14 | 1.00 |
| Portland Timbers | MLS | 2015 | 12 | 3 | 4 | 5 | 10 | 13 | 0.77 |
| Colorado Rapids | MLS | 2015 | 11 | 2 | 7 | 2 | 10 | 9 | 1.11 |
| Montreal Impact | MLS | 2015 | 7 | 2 | 2 | 3 | 9 | 10 | 0.90 |
| New York City FC | MLS | 2015 | 12 | 1 | 4 | 7 | 9 | 16 | 0.56 |