| Yellow | VS Club | Date | |
|---|---|---|---|
| 6 | Fleetwood Town | 27-04-2019 | Match details |
| 5 | Shrewsbury Town | 01-09-2018 | Match details |
| 4 | Bradford City | 13-04-2019 | Match details |
| 4 | Scunthorpe United | 09-03-2019 | Match details |
| 4 | Southend United | 02-02-2019 | Match details |
| 3 | Doncaster Rovers | 26-03-2019 | Match details |
