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.
Ebbw Vale captain Damien Hudd picked up the biggest accolade of the night at the 11th Principality Premiership Awards Evening held at Principality Stadium, after leading his side to the title for the first time.
Wales assistant coach Robin McBryde is predicting a tough battle against England on Sunday despite the fact they may not be considered to be at full strength. Players will be out to impress Eddie Jones which makes England a dangerous proposition, he says.
Wales U20 captain Tom Phillips and performance psychologist Dr Rich Neil explain why spending three days at Monmouth RFC has further strengthened the togetherness of the squad ahead of the #WorldRugbyU20s
Alongside Scarlets flanker James Davies and Cardiff Blues centre Cory Allen, three Wales Sevens core players have made the extended training squad for GB Sevens. Wales Head coach Gareth Williams tells WRU TV's Graeme Gillespie why Luke Treharne, Sam Cross and Luke Morgan earned selection in the initial training squad for Rio.
Wales Sevens head coach Gareth Williams tells WRU TV's Graeme Gillespie he has had to overcome a number of injuries before naming a competitive squad for this weekend's penultimate round of the World Series in Paris.
Merthyr were officially crowned champions of the SSE SWALEC Championship at Dowlais on Saturday where captain Andy Powell paid tribute to his side who have earned promotion to the Principality Premiership