| Yellow | VS Club | Date | |
|---|---|---|---|
| 5 | Harrogate Town | 20-10-2020 | Match details |
| 4 | Crawley Town | 23-02-2021 | Match details |
| 4 | Mansfield Town | 12-12-2020 | Match details |
| 4 | Carlisle United | 24-10-2020 | Match details |
| 3 | Oldham Athletic | 24-04-2021 | Match details |
| 3 | Bolton Wanderers | 17-04-2021 | Match details |
| 3 | Bradford City | 10-04-2021 | Match details |
| 3 | Salford City | 02-04-2021 | Match details |
