Head to Head
| WRU Challenge Cup | 2018/01/27 14:30 | Cardiff v Merthyr | L | 12-37 |
| Wales SRC Trophy | 2017/11/04 14:30 | Merthyr v Cardiff | L | 27-23 |
| Wales SRC Trophy | 2017/09/02 13:30 | Cardiff v Merthyr | W | 24-17 |
| Wales SRC Trophy | 2016/09/10 13:30 | Merthyr v Cardiff | L | 24-18 |