Thanks for your company. Enjoy the rest of your weekend and look forward to what lies ahead in the rest of Welsh rugby's festive derbies.

Cardiff Blues overcame ill-discipline to heap further misery on Ospreys with victory in a low quality Welsh derby in Swansea.

The visitors had three players yellow-carded - Filo Paulo, Tomos Williams and Josh Adams.

A second-half try from Cardiff Blues fly-half Jarrod Evans proved crucial before a late Jason Tovey penalty sealed the win.

Lacklustre Ospreys managed only a penalty try and three penalties from Marty McKenzie.

Apologies to those listening, but we're having techinical difficulties with our English language live commentary from Phil Steele and Dafydd James, but you can carry on reading all about it or listen to our Welsh language offering

The Ospreys say the attendance is 6,664 for this Welsh derby.

Cardiff Blues fail to score a second try when Olly Robinson drops the ball with the line beckoning.

But Blues win a scrum penalty and Jason Tovey slots over the penalty to give the visitors the lead again with seven minutes remaining.

Ospreys immediately level the game with another Marty McKenzie penalty after Cardiff Blues are penalised for a ruck offence.

Who will prevail in the last 15 minutes?

Dafydd James
Former Lions and Wales back on BBC Radio Wales

I think the longer the Ospreys don't put points on the board, the more opportunities Cardiff Blues will have.

They should have taken full advantage when Blues were down to 13 men, but they seemed to bizarrely slow down the game.

Cardiff Blues captain Will Boyde forces a turnover penalty and replacement Jason Tovey slots over a penalty to reduce the deficit to four points.

Is the comeback on now the Cardiff Blues are back with 15 men on the field?

Ospreys have failed to capitalise on the numerical advantage as wing Dirksen missed a score in the right-hand corner and there was a knock forward on the Cardiff Blues line.

They had to be content with a penalty from McKenzie after a high tackle from Will Boyde on Aled Davies.

Cardiff Blues have just had 14 men back on the field but have been reduced to 13 men temporarily again after Wales wing Josh Adams is sin-binned for a professional foul five metres from his own line.

Tomos Williams then returns for 14 men for the Blues. Hard to keep count.

The second-half kicks off with the Cardiff Blues soon to be restored to 15 men.

Can Ospreys take advantage in early stages?

Well a more eventful end to a drab first-half with Cardiff Blues losing Filo Paulo and Tomos Williams to yellow-cards and finishing with 13 men.

Ospreys have managed a penalty try and penalty from Marty McKenzie to two kicks from Jarrod Evans for Cardiff Blues.

Let us hope it livens up in the second-half.

Image source, Huw Evans Agency

Phil Steele
on BBC Sport Wales online

It's one of those tackles they call a seatbelt tackle, it gets you around the chest but sort of slides round to the neck.

It's a penalty try by the letter of the law.

It's 0.001 on the malice meter from Tomos Williams.

Cardiff Blues are down to 13 men after Wales scrum-half Tomos Williams is penalised for a high tackle on Ospreys flanker Dan Lydiate.

Williams is given a yellow card while Ospreys are awarded a penalty try because the tackle was done in the act of Lydiate attempting to score in the right corner.

Ospreys lead by four points and have two men extra on the field.

Image source, Huw Evans Agency

A needless yellow card for Cardiff Blues' Samoan second-row Filo Paulo who charged Ospreys wing Hanno Dirksen off the ball.

It was a pointless penalty conceded by the lock who is in his second spell with the Blues region.

Now it is the turn of Cardiff Blues to concede a penalty in what is becoming a tit-for-tat half.

Ospreys outside-half Marty McKenzie misses the simple penalty to level the scores with the ball hitting the post.

A poor miss from the New Zealander.

Some invention at last after a drab opening quarter and it comes from Cardiff Blues with young centre Ben Thomas and wing Owen Lane at the heart of the promising attacking move.

Wales scrum-half Aled Davies is penalised for a side entry at a ruck and Jarrod Evans slots over a second penalty.

Dafydd James
Former Lions and Wales back on BBC Radio Wales

It seems very lethargic from both teams at the moment. They need to up the tempo if they're going to get the crowd on their side.

Cardiff Blues have recovered and levelled the scores after a couple of penalties from Ospreys forwards.

Wales lock Adam Beard was penalised for a ruck offence while the hosts were then adjudged to have collapsed a maul.

Jarrod Evans slots over the penalty and we are all square at the Liberty Stadium after the first quarter.

Ospreys have a clear tactic here tonight in Swansea with a series of high kicks from Marty McKenzie already going up in the night sky.

They have been successful so far at this early stage and alongside scrum dominance it almost led to the opening try.

But the Ospreys outside backs were not able to capitalise on Scott Williams grubber kick with the ball being spilled forward over the Cardiff Blues line.