| Yellow | VS Club | Date | |
|---|---|---|---|
| 4 | Toronto FC | 15-10-2017 | Match details |
| 4 | DC United | 02-07-2017 | Match details |
| 4 | Vancouver Whitecaps | 29-04-2017 | Match details |
| 4 | Chicago Fire | 01-04-2017 | Match details |
| 4 | San Jose Earthquakes | 05-03-2017 | Match details |
| 3 | New England Revolution | 22-10-2017 | Match details |
| 3 | Minnesota United | 17-09-2017 | Match details |
