| Yellow | VS Club | Date | |
|---|---|---|---|
| 5 | Lincoln City | 13-04-2021 | Match details |
| 5 | Lincoln City | 19-09-2020 | Match details |
| 4 | Oxford United | 27-02-2021 | Match details |
| 4 | Peterborough United | 15-12-2020 | Match details |
| 4 | Accrington Stanley | 05-12-2020 | Match details |
| 4 | Crewe Alexandra | 26-09-2020 | Match details |
| 3 | Fleetwood Town | 01-05-2021 | Match details |
