Cardiff's winning streak come to a shock end in Italy as rock-bottom Benetton Treviso claimed a 13-7 victory.
Aled Thomas kicked a contentious late penalty to snatch a 22-21 victory for the Scarlets over Edinburgh.
Leinster maintained their push for a play-off spot by running in eight tries during their 52-0 demolition of Zebre.
Ulster overcame Glasgow Warriors 13-10 in Belfast to claim their third successive Guinness PRO12 victory.
Connacht returned to the top of the Guinness PRO12 as they came from behind to claim a 26-21 win at Newport Gwent Dragons.
Springbok JJ Engelbrecht makes his first start for Ospreys as they travel to Cork to take on Munster in the PRO12.
South Africa international Marcell Coetzee will join Ulster at the end of the season on a three-year contract.
Cardiff Blues welcome back Cory Allen and Kristian Dacey for Saturday's Guinness PRO12 clash against Treviso.
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Alex Payne is tipping England to cruise to victory in their Six Nations clash against Italy in Rome.
Former Wales winger Ieuan Evans joins Alex Payne to discuss all the action from the Six Nations.
Alan Quinlan has paid tribute to former Munster and Ireland team-mate Paul O'Connell, who earned the nicknamed 'Psycho'.
Ireland and Wales each have four players included in a Six Nations-dominated team of the week.
Barbarians v South Africa
5th November 2016
Jonathan Davies discusses Wales' draw with Ireland and looks ahead to the clash with Scotland this weekend.
The opening round of the Six Nations revealed how much work is needed between now and the 2019 World Cup, says Stuart Barnes.
Will Greenwood rates England's win over Scotland and says Wales will feel aggrieved with their draw against Ireland.
Will Greenwood says Dylan Hartley's slate is now clean as he starts his tenure as England captain under Eddie Jones.