Rugby and the Ospreys went top of the Pro 12 table with a bonus point win over Connacht.
The Welsh side scored two tries in each half to beat the defending champions 29-7, but left it late to notch up their ninth bonus point of the season.
Steve Tandy's men - who saw off the Scarlets and Dragons over the Christmas period - had the better of the opening exchanges, No.8 Dan Baker crossing on 11 minutes.
Just minutes later Baker's back row colleague Ollie Cracknell got in on the scoring act, taking a flat pass from fly half Sam Davies to sprint home.
Davies - starting ahead of fellow Welsh international Dan Biggar - struck a penalty to extend the lead, before the Ospreys once again demonstrated their forward power, prop Nicky Smith burrowing over from short range.
Connacht finally got on the scoresheet, Sean O'Brien gathering when the ball went loose from a ruck. But Ashley Beck's last gasp try completed a fruitful afternoon for the home side.
Ospreys have beaten Dragons in the second Welsh derby of the day.
After a mostly scoreless second half, a Dan Biggar penalty extended the visitors' lead jut after 70 minutes. Despite efforts from the Dragons in the closing minutes of the game, it wasn't enough.
Final score: Dragons 0-10 Ospreys.
Newport Gwent Dragons are hosting Ospreys at a very muddy Rodney Parade in today's second Welsh derby.
The game was in doubt due to the condition of the pitch, but after three pitch inspections, it was deemed fit for play.
Jason Tipuric broke out to make it over the line to get the Ospreys their first try of the game, with the extra two points provided by a Dan Biggar conversion. Ospreys's Tom Habberfield was sent to the sin bin for tackling without arms, but it made no difference to the score.
Half time: Dragons 0-7 Ospreys.
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Scarlets tighthead prop Rhodri Jones will leave the region at the end of the season to join the Ospreys.
24-year-old Jones, from Machynlleth, made his Scarlets debut as a replacement in the Heineken Cup match against Leicester Tigers in October 2010.
He went on to make 16 appearances in his first season with the region. He made his 100th regional appearance in Friday evening’s victory over Edinburgh Rugby.
His Wales debut came in June 2012, against the Barbarians, at the Millennium Stadium.
It was an honour to have played my 100th game for the Scarlets last weekend and I will give my all to the region as we challenge for a PRO12 play-off position from now until the end of the season.
I’ve enjoyed my time at the Scarlets and would like to thank everyone for their help and support during my time here.
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The Ospreys have finished with a comfortable win over hosts Zebre in the Pro 12.
Two tries from Justin Tipuric helped their case, along with others from Jeff Hassler, Eli Walker and Jonathan Spratt.
The final score was Zebre 22, Ospreys 39.