| Yellow | VS Club | Date | |
|---|---|---|---|
| 5 | Plymouth Argyle | 01-01-2020 | Match details |
| 4 | Bradford City | 04-01-2020 | Match details |
| 4 | Crewe Alexandra | 19-10-2019 | Match details |
| 4 | Plymouth Argyle | 12-10-2019 | Match details |
| 3 | Colchester United | 28-01-2020 | Match details |
| 3 | Newport County | 18-01-2020 | Match details |
