Watch all the highlights of this weekend's Guinness PRO12 action.
Dan Biggar stole the show as the Ospreys sent Cardiff Blues crashing to a 31-23 defeat at the Millennium Stadium.
Wales international Gethin Jenkins is back to skipper the Cardiff Blues in their PRO12 derby at the Millennium Stadium.
Wales centre Owen Williams will be discharged from hospital, 10 months after suffering a life-changing injury.
Glasgow Warriors remain on course for a home semi-final in the Guinness PRO12 after a 36-17 victory over Cardiff Blues.
PRO12 leaders Glasgow host strugglers Cardiff Blues hoping to tighten their grip on top spot on Friday evening.
Newport Gwent Dragons got the better of Welsh rivals Cardiff Blues to reach the semi-finals of the European Challenge Cup.
Ulster’s Nick Williams has been banned for eight weeks after being cited for striking Cardiff Blues back Rhys Patchell
More of the games that matter on Sky Sports
Watch the action with a Day or Week Pass
Buy tickets for Sale and Barbarians v Argentina.
For all the latest news, features and videos
We've a host of top class rugby union action