Head to Head
| England Development League 2 | 2023/09/12 12:00 | Sheff Utd U21 v Cardiff U21 | W | 6-2 |
| England Development League 2 | 2022/08/23 11:00 | Sheff Utd U21 v Cardiff U21 | L | 0-3 |
Home History
| England U21 Premier League Cup | 2024/09/17 18:00 | Sheff Utd U21 v Wolverhampton U21 | W | 3-0 |
| England Development League 2 | 2024/09/10 12:00 | QPR U21 v Sheff Utd U21 | W | 0-6 |
| England U21 Premier League Cup | 2024/09/06 18:00 | Sunderland U21 v Sheff Utd U21 | W | 0-1 |
| England Development League 2 | 2024/09/02 13:00 | Sheff Utd U21 v Watford U21 | W | 8-2 |
| England Development League 2 | 2024/08/27 12:00 | Ipswich U21 v Sheff Utd U21 | W | 0-1 |
| England Development League 2 | 2024/08/20 13:00 | Sheff Utd U21 v Brentford U21 | W | 6-0 |
| England Development League 2 | 2024/08/12 13:00 | Bristol City U21 v Sheff Utd U21 | D | 1-1 |
| England Development League 2 | 2024/05/24 18:00 | Sheff Utd U21 v Birmingham U21 | W | 2-0 |
Away History
| England Development League 2 | 2024/09/23 12:00 | Brentford U21 v Cardiff U21 | W | 0-1 |
| Wales League Cup | 2024/09/17 18:30 | Cardiff U21 v Merthyr Town | W | 2-1 |
| England U21 Premier League Cup | 2024/09/13 18:00 | Ipswich U21 v Cardiff U21 | D | 2-2 |
| England Development League 2 | 2024/08/30 12:00 | Birmingham U21 v Cardiff U21 | W | 3-4 |
| England Development League 2 | 2024/08/26 13:00 | Cardiff U21 v Fleetwood Town U21 | W | 2-0 |
| England Development League 2 | 2024/08/20 11:00 | Wigan U21 v Cardiff U21 | W | 1-3 |
| England Development League 2 | 2024/08/14 11:00 | Cardiff U21 v Sheffield Wed U21 | L | 0-1 |
| Wales League Cup | 2024/08/02 18:30 | Cardiff U21 v Pontypridd Utd | W | 3-1 |