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| H | Vancouver Whitecaps | - | Seattle Sounders | 0:0 (0:0) | ||
| R | Seattle Sounders | - | Vancouver Whitecaps | 2:0 (0:0) | ||
| H: 30.10.2017 01:30 | R: 03.11.2017 03:30 | Sieger: Seattle Sounders | ||||
| H | New York RB | - | Toronto FC | 1:2 (1:1) | ||
| R | Toronto FC | - | New York RB | 0:1 (0:0) | ||
| H: 31.10.2017 00:00 | R: 05.11.2017 21:00 | Sieger: Toronto FC | ||||
| H | Houston Dynamo | - | Portland Timbers | 0:0 (0:0) | ||
| R | Portland Timbers | - | Houston Dynamo | 1:2 (1:1) | ||
| H: 31.10.2017 02:30 | R: 06.11.2017 01:30 | Sieger: Houston Dynamo | ||||
| H | Columbus Crew | - | New York City FC | 4:1 (1:0) | ||
| R | New York City FC | - | Columbus Crew | 2:0 (1:0) | ||
| H: 01.11.2017 01:00 | R: 05.11.2017 23:00 | Sieger: Columbus Crew | ||||
