| Yellow | VS Club | Date | |
|---|---|---|---|
| 5 | Bradford City | 21-04-2018 | Match details |
| 4 | Rotherham United | 07-10-2017 | Match details |
| 3 | Oxford United | 28-04-2018 | Match details |
| 3 | Peterborough United | 14-04-2018 | Match details |
| 3 | Scunthorpe United | 24-03-2018 | Match details |
| 3 | Gillingham | 13-01-2018 | Match details |
