Josh Thomas kicks it dead and the hosts secure the narrow victory in Swansea. 18-14 #URC
Morgan has been promising with ball in hand in the wide channels, but Cardiff still in the hunt for a late score here. 18-14 #URC
Matthew Morgan is on for his first appearance of the season, with Hallam Amos departing. 18-14 #URC
A late addition to the 23 this evening, Kristian Dacey replaces Kirby Myhill with just over 10 minutes remaining. 18-14 #URC
Will Boyde with a crucial turnover after Elvis Taione makes a dangerous dart down the blind. 18-14 #URC
Seb Davies and Willis Halaholo make way for Rory Thornton and the returning Ben Thomas. 18-14 #URC
Ospreys stretch their lead to four with their sixth penalty of the evening. 18-14 #URC
Double replacement for Cardiff - Lloyd Williams and Will Boyde replace Tomos Williams and Ellis Jenkins respectively. 15-14 #URC
We're into the final quarter as Ospreys power over the line after going through the phases deep in the 22. But Morgan Morris loses his grasp on possession as he looked to touch down. 15-14 #URC
All change at prop as Corey Domachowski and Dmitri Arhip are introduced, with Rhys Carre and Dillon Lewis making way. 15-14 #URC
Opportunity in the Ospreys 22 for the visitors here, with Halaholo trucking it up. He's followed by Ratti, Turnbull and Lane but the home side holding out here. 15-14 #URC
And now it's the hosts who are back ahead. Anscombe adds his fifth penalty of the evening. 15-14 #URC
The attack continues deep in Ospreys territory and the hard graft of the forwards pays off. Quick hands from Carre draws the defenders and sends Lane on his way in the corner. Priestland nails a stunning conversion from out wide as Cardiff regain the lead. 12-14 #URC
Rhys Carre earns an early penalty at scrum time, with Priestland putting us in the corner. Powerful carry from Josh Adams on the first phase puts us on the front foot. 12-7 #URC
A frantic, end-to-end period of play to finish the half. Lee-Lo, Carre, Seb Davies, Amos and Adams all carry well but ultimately it comes to nothing as the ref blows for half time. 12-7 #URC
The scrum is penalised and it's an easy three for Anscombe. Ospreys now lead by five. Tomos Williams returns to the field of play. 12-7 #URC
Ospreys are now reduced to 14 men as Michael Collins is shown a yellow card for a deliberate knock-on. 9-7 #URC
A third penalty of the evening for Anscombe sees the hosts back ahead here as we approach the half hour mark. 9-7 #URC
We go upstairs to the TMO for a look on Tomos Williams' hit on Luke Morgan. The scrum half is sent to the sin bin for a no-arm tackle. 6-7 #URC
Ball shoots out of the ruck and Tomos Williams is caught by a host of Ospreys forwards, but a massive clear-out from Carre manages to ensure possession is retained. 6-7 #URC
Huge defence at the line-out from the pack sees the ball trapped in the maul, resulting in a turnover. 6-7 #URC
A series of maul penalties sees Ospreys in dangerous territory here, with Anscombe opting for the corner. 6-7 #URC
Josh Adams marks his return to the Blue and Black, capitalising as Rhys Priestland strikes the upright from a penalty attempt. Ospreys defence caught napping, and the wing on red alert to pounce. Priestland adds the extras to push us ahead. 6-7 #URC
Trademark up-and-under from Amos, who regathers in the air in Ospreys' half. His good work allows a half dent from Lane down the right followed by a powerful burst from Lee-Lo. 3-0 #URC
Seb Davies is penalised for an early hit on Watkin and Anscombe steps up to double his side's advantage. 6-0 #URC
Nagy spills the high ball and Seb Davies is on the scene to pick up the scraps. Good work in midfield from Priestland to adapt to Ospreys' press and find Halaholo on his outside. We initially makes some good yards through an Adams carry but there is a spill in midfield. 3-0
An absolutely thunderous hit in midfield as Ellis Jenkins re-introduces himself to Gareth Anscombe. 3-0 #URC
Anscombe opens the scoring with two minutes on the clock with a penalty from the halfway line. 3-0 #URC
Gareth Anscombe gets us underway in Swansea, with James Ratti receiving and running back before Tomos Williams' clearance brings play back up to halfway. 0-0 #URC