Fijian wing Aisea Natoga crossed for a hat-trick of tries as the Ospreys claimed a crucial bonus-point victory over Cardiff Blues in their quest for a RaboDirect Pro12 play-off spot.
Newport Gwent Dragons Chief executive Gareth Davies has admitted that should the Welsh regions fail to reach an agreement with the Welsh Rugby Union about next year, the four sides could join the Aviva Premiership.
The four Welsh regions - Cardiff Blues, Newport Gwent Dragons, Ospreys and Scarlets - have again confirmed their commitment to the English proposed Rugby Champions Cup.
George North marked his return to Wales in Northampton colours by scoring a brilliant breakaway try, but Saints' Heineken Cup quarter-final hopes were still dealt a major blow.
Former Cardiff Coach Dai Young believes that the Welsh Rugby Chiefs and the four regional teams will put politics aside and broker a resolution to their bitter feud.
Wales lock Ian Evans scored the only try of an intriguing west Wales derby at Par y Scarlets as the Ospreys rose to second in the RaboDirect PRO12 table.
After this weekend there is a strong 14 points that separates Leinster at the top of the leader board from Welsh side Ospreys who narrowly beat Edinburgh this weekend.
During a busy Six Nations, the Celtic and Italian sides are in action this weekend, with squads being stretched due to the unavailablity of international stars.
One of the most exciting rugby games I have watched in a while, Dragons had momentum, then Ospreys found their momentum and their way back into the game