Munster held off a second-half comeback from Ospreys to register their third straight Guinness PRO14 victory in torrential rain at the Liberty Stadium.
Glasgow made it two wins from two with a 31-10 success against Ospreys as new coach Dave Rennie enjoyed a positive first home match at the helm.
Ospreys claimed their first win in Conference A of the expanded Guinness PRO14, but it was far from convincing against Zebre at the Liberty Stadium.
Bath back row Guy Mercer has joined the Ospreys on loan until the end of the season.
Ospreys head coach Steve Tandy will remain with the region until at least 2020, his bosses have confirmed.
Former Wales international James Hook will make his first Ospreys appearance in six years when the Welsh region faces Leicester Tigers on Friday night.
South African franchise the Cheetahs will get their first taste of PRO14 action on Friday, Sept. 1 as they take on Ulster at Kingspan Stadium.
It is not difficult to see why Celtic Rugby would jump at the chance to breath new life into the rebranded PRO14. But the organisers face issues as they attempt to make the expansion work.
Tuesday brought official confirmation that South African sides the Cheetahs and Southern Kings would, as expected, join an expanded PRO14 competition. But what will the new championship look like?
Sam Davies is ready to take his chance at fly-half for Wales when they face Tonga on Friday.
Eddie Jones has admitted Sam Underhill could be England's missing link -- the natural-born openside flanker he feared the nation lacked.
Table toppers Munster booked their place in next Saturday's PRO12 final with a runaway 23-3 victory over Ospreys at Thomond Park.
British & Irish Lions second-row Alun Wyn Jones returns for the Ospreys to start against Munster in the PRO12 semifinal at Thomond Park.
Wales captain and British & Irish Lions lock Alun Wyn Jones is set to make his return from injury in Ospreys' PRO12 semifinal at Munster this weekend.
The Ospreys ended a run of four straight defeats to put themselves in a good position to reach the Guinness PRO12 semi-finals at the expense of fellow play-off contenders Ulster.
Former Wales and British & Irish Lions second row Ian Evans has retired from rugby due to a knee injury.
Cardiff Blues ran riot in a 35-17 demolition of the Ospreys at the Principality Stadium. Danny Wilson's side derailed Ospreys' title challenge with first-half tries from Kristian Dacey, Lloyd Wil
On his 200th Ospreys appearance fly-half Dan Biggar missed a dramatic injury-time penalty as Guinness Pro12 Pro leaders Leinster held on to win at the Liberty Stadium.
Stade Francais secured a European Challenge Cup semi-final against Bath in Paris after grounding Ospreys in a 25-21 win at the Principality Stadium.
The Ospreys lost ground on the top two in the Guinness PRO12 with a surprise 13-5 defeat to Treviso in Italy.
Wales fly-half Sam Davies has been released from their training camp to make him available for Ospreys duty on Friday evening.
Elli Norkett, a 20-year-old Welsh rugby international, sustained fatal injuries in a collision in Neath Port Talbot, south Wales, on Saturday.
Keelan Giles scored his 12th try of the season as Ospreys moved to second in the Pro 12 standings with a 26-15 win over Glasgow Warriors.
Brothers Josh and Joel Matavesi have signed for Newcastle Falcons for next season.
Munster snatched a Guinness PRO12 victory from the jaws of defeat as Dave Kilcoyne's late try saw them secure a 25-23 success over the Ospreys at the Liberty Stadium.