| Yellow | VS Club | Date | |
|---|---|---|---|
| 5 | Gillingham | 01-05-2021 | Match details |
| 5 | Sunderland | 20-02-2021 | Match details |
| 4 | Oxford United | 09-05-2021 | Match details |
| 4 | Ipswich Town | 15-12-2020 | Match details |
| 3 | Fleetwood Town | 27-04-2021 | Match details |
| 3 | Milton Keynes Dons | 20-03-2021 | Match details |
| 3 | Peterborough United | 06-03-2021 | Match details |
