It was a feisty encounter, with four yellow cards in total, and Blackwood must be wondering where their second win of the season is coming from. Left winger David James and lock Simon Jones scored tries for the visitors.
In arguably the best game in Wales on Saturday, Merthyr sneaked home 36-34 in a 10-try thriller at UWIC. Merthyr outside-half Neil Burnett scored a try and kicked five goals for a 16-point haul. The Students led 20-14 at halftime, but let the game slip away in the final quarter.
Left winger Carl Jenkins scored a try double as Llanharan cruised past a struggling Waunarlwydd 42-3, with outside-half Wayne Jervis chiming in with 17 points. Leaders Bonymaen made it 31 points from a possible 33 with a 37-22 victory at Llangennech, running in five tries, and second-placed Whitland kept the pressure on with a 26-5 win over Narberth. Centre Eifion Roberts scored a second-half try double to subdue a spirited Narberth side who trailed only 9-5 at the break.
Beddau No.8 Christian Bundy scored a hat-trick of tries as his club overturned a 13-20 halftime deficit to beat Cwmllynfell 42-23. Centre Steve Robinson scored Beddau's fourth try and added 19 points with the boot.
Former Premiership side Caerphilly saw off Fleur De Lys 28-7, despite being level at 7-all at the break, and at the bottom of the table, Ystrad Rhondda moved above Blackwood by beating Builth Wells 23-18, thanks to five goals from outside-half Dai Owen.