Postpublished at 22:23 Greenwich Mean Time 22 March
Blachowicz v Ulberg
UFC welterweight Gilbert Burns on X: "Polish power? Or Ulberg step up as a new contender?"
Briton Leon Edwards suffers defeat to American Sean Brady in London
Edwards slumps to second loss in a row for the first time in MMA career
Liverpudlian Molly McCann retires after submission loss to Alexia Thainara
Chris Duncan submits England's Jordan Vucenic in big win for Scot
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Bobbie Jackson & Charlotte Coates
Blachowicz v Ulberg
UFC welterweight Gilbert Burns on X: "Polish power? Or Ulberg step up as a new contender?"
Blachowicz v Ulberg
Edwards v Brady
There is still time to have your say on who wins tonight's main event.
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Blachowicz v Ulberg
Carlos Ulberg is starting to make waves in the UFC, having won his last seven fights to rise to number six in the light-heavyweight division, but his life could have ended up on a very different path.
New Zealand's Ulberg has a background in modelling and appeared on reality TV show 'Game of Bros' in 2018.
He has also twice turned down the opportunity to be on New Zealand's version of 'the Bachelor' - a series that follows a single bachelor who is given a list of romantic interests from which he must choose a fiancee.
Instead, Ulberg opted to get in a cage and fight for his living.
Blachowicz v Ulberg
Jan Blachowicz returns from a 20-month hiatus to face New Zealand's Carlos Ulberg in a light-heavyweight contest next.
Poland's Blachowicz last fought when in July 2023 when he lost against Alex Pereira at UFC 291.
The 42-year-old has since undergone double shoulder surgery and battled through a difficult rehabilitation period.
Many athletes in their twilight of their career like Blachowicz would likely have considered retirement, but the former light-heavyweight champion was keen to get back to what he loves.
"I miss the feelings that happen in fight week, the emotions," Blachowicz said.
"I like fighting. I don't have to do it, I can stop right now because I have a lot of things I could do. But I want to do it - I love to do it."
BBC Sport's Paul Battison is at the O2 Arena tonight and he's been tapping away on his laptop following Molly McCann's defeat and subsequent decision to retire.
Right, that's 11 fights down and just two left to go.
It's the co-main event up next with light-heavyweight rivals Jan Blachowicz facing Carlos Ulberg and then we're on to Leon Edwards v Sean Brady.
Holland beats Nelson by unanimous decision
Kevin Holland gets the win and he sure needed that after losing four of his last five.
That was a fun fight - it always is when Holland is involved.
Great to see some respect between the pair in the aftermath.
McCann retires after Thainara loss
Molly McCann's time in the UFC is over but what a ride it's been! Time to take a look at some highlights from the Meatball's career...
First up is McCann's first win. It came in her second contest with a unanimous decision victory over Priscila Cachoeira in March 2019.
Up next is the first of two performance of the night bonuses on the trot.
McCann beat Luana Carolina in March 2022 after a stunning spinning back elbow in round three.
A £50,000 bonus secured!
Four months later came another performance of the night and another £50,000 for McCann.
This time she knocked out Hannah Goldy in the first round with another spinning back elbow.
The £100,000 elbow!
Nelson v Holland
UFC welterweight Stephen 'Wonderboy' Thompson on X: "I think Gunni needs a finish! Kevin looks serious out there."
Former two-weight UFC champion Henry Cejudo on X: "20-18 Holland. Don’t see this one making it to the scorecards."
Nelson v Holland
Gunnar Nelson just about hangs on and is saved by the buzzer at the end of round one following a clean right and some ground and pound from Kevin Holland.
Earlier in the round it was Holland hanging on - quite literally - as the American attempted a flying omoplata submission.
Nelson initially looked concerned before realising he wasn't in too much danger.
McCann retires after Thainara loss
Molly McCann is an icon.
Edwards v Brady
Leon Edwards' victory over Kamaru Usman to win the welterweight title in 2022 has already gone done in UFC folklore.
Behind on the scorecards and with just a minute remaining of the final round, Edwards landed a kick cleanly on the chin of Usman to record a knockout win against the odds.
Edwards spent some time with BBC Sport back in 2023 to watch back that fight and react to how it all unfolded.
Plenty more reaction to come following Molly McCann's decision to retire.
But the show must go on.
Kevin Holland and Gunnar Nelson are next up in a welterweight contest.
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We have to keep the Molly McCann content coming now!
This was already in the locker but now seems the perfect time to send it your way.
McCann and interim heavyweight champion Tom Aspinal team up to pick their 'ultimate fighter'.
Enjoy as Aspinall and McCann team up to pick their 'ultimate fighter'.
Thainara beats McCann by submission
Molly McCann speaking to TNT Sports: "UFC and Dana [White], I started this sport at 24 and I have given you all my heart and soul. Tonight, with that performance on a week's notice, it's not good enough. The UFC deserves more.
"From a little girl from Norris Green fighting in arenas, look at me, look at what I've managed to do. Dana if you ever need an ambassador to fly around Europe, I can chat anyone up."
Thainara beats McCann by submission
Molly McCann picks up her gloves, kisses them, raises them to the air and the places them down in the centre of the octagon.
With four defeats from her last five fights it seems like the right call but we won't forget the incredible moments McCann has delivered.
Back-to-back spinning elbow knockout victories anyone?
Thainara beats McCann by submission
Alexia Thainara speaking to TNT Sports: "The UFC has the best matchmakers. They called me, and I came and delivered.
"She said I had bad breath but I smell really good."
Thainara beats McCann by submission
Molly McCann is now on the mic. We don't normally hear from a losing fighter so I think we know where this is going.
"I deserve more and you deserve more," McCann says.
McCann calls time on her UFC career.
Team-mate Paddy Pimblett is watching on from octagon-side and I think I can see a tear.