In SWALEC Division Two East, Mountain Ash closed the gap on league leaders, Gilfach Goch, thanks to a 33-21 win over fourth-placed Brynmawr.
The vital win on the road keeps them in the hunt for promotion. Brynmawr stuck with three tries but it was not enough to overcome the visitors, who scored tries through Merion Thomas, Craig Evans, Dale Keeping and Dean Philips to secure maximum points.
Treorchy also kept their chances alive with a bonus-point home victory over Penallta, Shaun Green, Damon Filmer, Andrew Mallin and Peter Hutchings the men who crossed for the hosts.
However Gilfach Goch, who were not in action this weekend, can win the title and promotion to Division One East with a bonus-point win in a crunch match against Treorchy on Friday.
Elsewhere in the division, Llanharan secured their place in the league for another year with a hard-fought victory over Llantwit Fardre.
Fleur De Lys will join Llanharan in the division next year after they were crowed Division Three East champions, recording a 29-17 win over Gwernyfed on the road. Back-row duo Leigh Taylor and Lee Jones were joined by Jamie Heythorn to touch-down and Paul Emanuelli slotted a further 14 points.
Meanwhile Pill Harriers ran in nine tries on their way to a 61-7 triumph over Croesyceillog. Ross Palmer was in magnificent form and the fly-half inspired the Harriers to victory with a five-try brace.
In a titanic battle in Division Four East that saw league leaders Abertillery BG travel to second-placed Risca. The visitors came out on top and took a giant leap towards securing the Championship thanks to a closely fought 18-13 win. Wing Aled Penn proved the difference and raced away to score two vital tries.
League strugglers, St Josephs, scrapped to a crucial win in their battle to avoid the drop, securing 15-13 win at Abercarn, Nigel Morgan and Ryan Moore the try scorers for St Jo's.
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.