| Yellow | VS Club | Date | |
|---|---|---|---|
| 4 | Bristol Rovers | 13-03-2021 | Match details |
| 3 | Portsmouth | 01-05-2021 | Match details |
| 3 | Accrington Stanley | 10-04-2021 | Match details |
| 3 | Wigan Athletic | 06-02-2021 | Match details |
| 3 | Fleetwood Town | 26-09-2020 | Match details |
| 2 | Oxford United | 20-04-2021 | Match details |
| 2 | Fleetwood Town | 05-04-2021 | Match details |
