| Yellow | VS Club | Date | Sections | |
|---|---|---|---|---|
| 5 | Los Angeles FC | 02-11-2018 | Western Conference Knockout | Match details |
| 2 | Sporting Kansas City | 11-11-2018 | Western Conference Semi Finals | Match details |
| 2 | Sporting Kansas City | 05-11-2018 | Western Conference Semi Finals | Match details |
