| Yellow | VS Club | Date | |
|---|---|---|---|
| 5 | Oxford United | 25-08-2018 | Match details |
| 4 | Luton Town | 22-12-2018 | Match details |
| 4 | Shrewsbury Town | 08-12-2018 | Match details |
| 3 | Accrington Stanley | 23-03-2019 | Match details |
| 3 | Coventry City | 08-03-2019 | Match details |
| 3 | Oxford United | 02-02-2019 | Match details |
