European Rugby Champions Cup
Ospreys were easily beaten 37-14 at Zebre, paying the expected price for making 13 changes in their PRO14 clash.
A Jacob Stockdale try in injury time helped Ulster to a 8-0 victory over Ospreys at Kingspan Stadium, after the Irish Province led for 3-0 for 73 minutes of the game.
Ospreys kept their slim hopes of an automatic Champions Cup qualification place alive as they ran riot in a bonus-point 39-10 win over Connacht in the PRO14.
Full-back Dan Evans scored twice as the improving Ospreys celebrated a 32-18 PRO14 bonus-point victory over Leinster at the Liberty Stadium.
Ospreys scrum-half Rhys Webb has played his last game for the club after being ruled out for the rest of the season with a knee injury.
Wales have received a boost ahead of their final Six Nations match following confirmation that captain Alun Wyn Jones has re-signed a national dual contract with the Welsh Rugby Union and Ospreys.
Wales international wing Eli Walker has announced his retirement from rugby at the age of 25.
Sam Davies held his nerve to hammer home a 79th minute conversion of replacement hooker Ifan Phillips' try to snatch PRO14 victory from the jaws of defeat for the Ospreys against the Cheetahs.
Allen Clarke's first PRO14 game in charge of the Ospreys ended in a 26-15 defeat to Conference A rivals Connacht at the Sportsground.
Ospreys and Wales hooker Scott Baldwin is set to miss the rest of the season after suffering a foot injury.
Gloucester moved to the top of Pool One in the Anglo-Welsh Cup with a bonus-point 43-20 win over Ospreys at Kingsholm.
Rhys Webb is a major doubt for the Six Nations after being withdrawn from Wales' squad with a knee injury that will "restrict his involvement in the campaign".
Dan Biggar is likely to miss the first three matches of Wales' 2018 Six Nations campaign with a shoulder injury.
Ospreys head coach Steve Tandy has paid the price for poor results as the Welsh region confirmed the former PRO12 winning coach will leave the region with immediate effect as their search for a "world-class" replacement begins.
Clermont are through to the quarter-finals of the Champions Cup as winners of Pool 2 thanks to a 24-7 victory over Ospreys - and bagged a home game in the knock-out stage.
Ireland and British & Irish Lions wing Tommy Bowe has revealed he will bow out of professional rugby at the end of the campaign.
Billy Vunipola provided England with an injury scare as holders Saracens' European Champions Cup quarterfinal hopes were left hanging by a thread.
Wales scrum-half Rhys Webb scored two tries as Ospreys held on to seal a 29-28 bonus-point victory over Cardiff in the Guinness PRO14 at the Liberty Stadium.
Warren Gatland has suffered a potential blow ahead of the 2018 Six Nations, with Wales and Ospreys backrow Dan Lydiate now a major doubt due bicep injury.
The Ospreys ended their PRO14 drought with victory over the Dragons at Rodney Parade as the last rugby match of 2017 in the UK dribbled to a lacklustre conclusion.
A stoppage-time try by replacement Josh Macleod saw 14-man Scarlets edge Ospreys 12-9 in a dramatic Guinness PRO14 derby at a rain-drenched Parc y Scarlets.
Replacement scrum-half Rhys Webb scored twice as Ospreys completed a European Champions Cup double over struggling Northampton with a 32-15 bonus-point victory at a wet Liberty Stadium.
Northampton pushed hard in a second-half fightback but couldn't overcome Ospreys as they fell to a 43-32 Champions Cup defeat at Franklin's Gardens.
Munster's new head coach Johann van Graan enjoyed a winning home debut at Irish Independent Park where the under-strength Ospreys were beaten 36-10.
Wales centre Scott Williams is to leave Scarlets at the end of the season and join their Welsh regional rivals Ospreys.