Six players, including Jaheim Headley, Samson Tovide and Aden Baldwin, were each sent off once in the Carabao Cup in 2023/2024.
Aden Baldwin, Jaheim Headley and Charlie O'Connell were level on 1 red card, the most by any defender in the Carabao Cup in 2023/2024. No other defender had one.
| Rank | Player | Team | Red Cards |
|---|---|---|---|
| 1 | Lukas Jutkiewicz | Birmingham | 1 |
| 2 | Aden Baldwin | Notts County | 1 |
| 3 | Demetri Mitchell | Exeter City | 1 |
| 4 | Jaheim Headley | Huddersfield | 1 |
| 5 | Samson Tovide | Colchester | 1 |
| 6 | Charlie O'Connell | Peterborough | 1 |