| Yellow | VS Club | Date | |
|---|---|---|---|
| 5 | Montreal Impact | 15-08-2021 | Match details |
| 4 | Chicago Fire | 08-08-2021 | Match details |
| 4 | DC United | 26-07-2021 | Match details |
| 4 | Orlando City | 04-07-2021 | Match details |
| 4 | Atlanta United | 27-06-2021 | Match details |
| 4 | Philadelphia Union | 16-05-2021 | Match details |
