The home side struggled for a side and included Mark Jones from Llangennech and the Carmarthen Quins duo of Gareth King and Marc O’Kelly.
Newport and Cardiff usually have a close battle in their derby encounters, but leaders Newport raced to a 27-0 lead at the interval, including a try by centre Will Kershaw-Naylor. In the second half, he scored two more unconverted tries for a 37-0 win.
