| Yellow | VS Club | Date | |
|---|---|---|---|
| 4 | Sporting Kansas City | 10-05-2021 | Match details |
| 3 | Vancouver Whitecaps | 19-08-2021 | Match details |
| 3 | Los Angeles FC | 08-07-2021 | Match details |
| 2 | Colorado Rapids | 01-08-2021 | Match details |
| 2 | Seattle Sounders | 23-07-2021 | Match details |
Austin FC
| Yellow | VS Club | Date | |
|---|---|---|---|
| 4 | Sporting Kansas City | 10-05-2021 | Match details |
| 3 | Vancouver Whitecaps | 19-08-2021 | Match details |
| 3 | Los Angeles FC | 08-07-2021 | Match details |
| 2 | Colorado Rapids | 01-08-2021 | Match details |
| 2 | Seattle Sounders | 23-07-2021 | Match details |