| Yellow | VS Club | Date | |
|---|---|---|---|
| 4 | Columbus Crew | 19-08-2018 | Match details |
| 3 | New York Red Bulls | 30-09-2018 | Match details |
| 3 | DC United | 03-09-2018 | Match details |
Atlanta United
| Yellow | VS Club | Date | |
|---|---|---|---|
| 4 | Columbus Crew | 19-08-2018 | Match details |
| 3 | New York Red Bulls | 30-09-2018 | Match details |
| 3 | DC United | 03-09-2018 | Match details |