| Yellow | VS Club | Date | |
|---|---|---|---|
| 7 | Toronto FC | 26-05-2018 | Match details |
| 4 | Sporting Kansas City | 29-07-2018 | Match details |
| 3 | Portland Timbers | 30-09-2018 | Match details |
| 3 | Vancouver Whitecaps | 19-05-2018 | Match details |
| 3 | Los Angeles Galaxy | 12-05-2018 | Match details |
FC Dallas
| Yellow | VS Club | Date | |
|---|---|---|---|
| 7 | Toronto FC | 26-05-2018 | Match details |
| 4 | Sporting Kansas City | 29-07-2018 | Match details |
| 3 | Portland Timbers | 30-09-2018 | Match details |
| 3 | Vancouver Whitecaps | 19-05-2018 | Match details |
| 3 | Los Angeles Galaxy | 12-05-2018 | Match details |