Ospreys have lost their last two games in the Magners League, but are unbeaten at home in any competition since Dragons visited Liberty Stadium in the Magners League on 30 October and won 21-16.

Ulster have won their last three matches in all competitions since their 10-35 defeat at Munster in the Magners League on New Year's Day. This reversal represents the Ulstermen's only loss on the road in their last five trips.

Referee: Neil Paterson (SRU, 30th League game)
Assistant Referees: David Jones, Greg Morgan (both WRU).
TMO: Huw Lewis (WRU).

Live on S4/C