| Yellow | VS Club | Date | |
|---|---|---|---|
| 4 | Doncaster Rovers | 20-10-2018 | Match details |
| 4 | Peterborough United | 22-09-2018 | Match details |
| 4 | AFC Wimbledon | 08-09-2018 | Match details |
| 3 | Blackpool | 04-05-2019 | Match details |
| 3 | Charlton Athletic | 27-04-2019 | Match details |
| 3 | Sunderland | 19-02-2019 | Match details |
| 3 | Barnsley | 09-02-2019 | Match details |
