Local rivals St Peter's and Cardiff HSOB play a match at the Harlequins Ground, where the 'Rocks' are the hosts, but on a pitch that was once the home of the Old Boys.
Also in the East, Monmouth will be challenged strongly on their fine pitch by Newport HSOB. Something has to give in the West as Milford Haven and Betws near the bbottom of the table, while Amman United face a stern test at home to Llandybie.
Fairwater, yet to concede a point, go to Dowlais in the South-East and Bishops Field will be the scene for a clash of unbeaten clubs Llandaff and enarth, with Rhigos taking on Cowbridge near the foot of the table.
Chris O'Callaghan takes over as Diirector of Rugby at Aberavon Green Stars, who should gain a win at Pyle in the South-West in a Division where Resolven entertain Maesteg Celtic, while in the North, Nant Conwy have a chance for a first win as they take on Dolgellau.
The Webb Ellis Cup visited Lampeter on Monday to recognise the fact that the town is celebrating a major milestone as it is believed the first ever game of rugby played in Wales, was in fact played in Lampeter 150 years ago.
Cardiff Blues U18 Girls will go into Sunday's Gemau Cymru with an extra spring in their step after Welsh internationals Elinor Snowsill and Philippa Tuttiett offered some last minute tips at a training session earlier this week.
Rob Howley and Josh Lewsey addressed more than 250 community club coaches and referees at the first WRU National Community Conference on the weekend. The volunteers benefitted from coaching masterclasses and workshops in a bid to connect all levels of the rugby pathway in Wales.
UEFA has today confirmed the Football Association of Wales (FAW) has been successful in its bid for the Millennium Stadium to host the 2017 UEFA Champions League Final on Saturday 3rd June, 2017 (kick-off: 19.45hrs GMT).
The winners of a filmmaking competition organised by the education charity Into Film and the WRU enjoyed a behind the scenes tour of the Millennium Stadium - and a chance to be photographed with the WRU's fire-breathing, rugby loving mascot, Scorch The Dragon, and Welsh international, Jake Ball.