Head to Head
| Welsh Premiership | 2017/04/08 13:30 | Merthyr v Carmarthen | W | 30-21 |
| Welsh Premiership Challenge Cup | 2017/03/15 19:30 | Carmarthen v Merthyr | L | 37-31 |
| Welsh Premiership | 2016/12/03 14:30 | Carmarthen v Merthyr | L | 26-13 |
Home History
| Welsh Premiership | 2018/04/14 13:30 | Swansea v Merthyr | W | 10-45 |
| WRU Challenge Cup | 2018/04/07 16:15 | Ebbw Vale v Merthyr | W | 6-10 |
| Welsh Premiership | 2018/04/02 13:30 | Merthyr v Llandovery | W | 39-6 |
| Welsh Premiership | 2018/03/30 13:30 | Neath v Merthyr | W | 10-26 |
| Welsh Premiership | 2018/03/24 14:30 | Merthyr v Bridgend Ravens | W | 29-15 |
| WRU Challenge Cup | 2018/03/20 19:15 | Merthyr v Pontypool | W | 21-6 |
| Welsh Premiership | 2018/03/17 12:30 | Merthyr v Llanelli | W | 44-43 |
| Welsh Premiership | 2018/03/10 14:30 | Merthyr v Newport | L | 18-19 |
Away History
| Welsh Premiership | 2018/04/14 13:30 | Carmarthen v Newport | W | 36-33 |
| Welsh Premiership | 2018/04/07 13:30 | Bridgend Ravens v Carmarthen | L | 11-6 |
| Welsh Premiership | 2018/03/30 12:30 | Carmarthen v Ebbw Vale | W | 34-23 |
| Welsh Premiership | 2018/03/24 14:30 | Bedwas v Carmarthen | W | 17-31 |
| Welsh Premiership | 2018/03/17 12:30 | Carmarthen v Cardiff | L | 10-34 |
| Welsh Premiership | 2018/03/10 14:30 | Cross Keys v Carmarthen | W | 13-23 |
| Welsh Premiership | 2018/02/24 11:30 | Carmarthen v Bargoed | W | 34-10 |
| Welsh Premiership | 2018/02/17 14:30 | RGC 1404 v Carmarthen | D | 20-20 |