Ospreys’ last ten matches in all competitions have all been won by the home side on the day, whilst they have been victorious in their last seven games at Liberty Stadium since Glasgow won there on 14 September. Ospreys have won their last five clashes with fellow Welsh regions. Scarlets have lost only one of their last six RaboDirect PRO12 fixtures: 12-19 at home to runaway leaders Ulster on 2 December. Scarlets’ solo away loss in the competition this season was 20-22 at Treviso on 29 September. Scarlets have won eight of their last nine encounters with fellow Welsh regions. The West Walians have beaten Ospreys only once since 2007: 22-14 at Parc y Scarlets exactly twelve months ago. At Liberty Stadium , 5.30pm. Referee: Nigel Owens (WRU, 87th competition game) Assistant Referees: Gwyn Morris, Jon Mason (both WRU) Citing Commissioner: Ray Wilton (WRU) TMO: Derek Bevan (WRU) Live on S4C