Anthony Joshua reclaims WBA, IBF and WBO heavyweight world titles
Joshua beats Mexican Andy Ruiz Jr by unanimous decision in rematch in Saudi Arabia
'I knew I'd correct my wrongs' says Joshua after avenging defeat in June
Briton dominated throughout thanks to composed, tactical performance
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Sid Sidowski: AJ to sort this out quick and neat. If he's got his head straight he'll take this out early.
Mrclaretandblue1981: Anthony loses tonight he is finished hope he don't take Ruiz lightly again.
Jezz, Brighton: Looking forward to all the AJ haters coming back and admitting they were wrong in about 40 minutes time! ;-)
Joshua v Ruiz
It's time for the national anthems.
First, the challenger. AJ beats his chest, pure focus on his face as a man waves a Union Jack in the crowd.
And then the champion.
Andy Ruiz Jr - the American anthem ringing out, a Mexican flag held up by his corner - rocks slowly back and forth.
Joshua v Ruiz
Image source, BBC Sport#bbcboxing
Okeke Uchenna Vieira: All the teams I supported today lost, which is why I smell a defeat for Joshua. A knockout is on the cards.
G Dog: AJ will need to be cautious tonight! He’d be well advised to keep Ruiz at arms length and keep the jab going! If he gets inside and hits him with 21 stone he’ll rock him! AJ to knock him out/stop him in the later rounds!
DWBee: People saying Ruiz unprepared but he had minimal camp last time out too...
Image source, Getty ImagesJoshua v Ruiz
Richie Woodhall
Former world champion at Diriyah Arena for BBC Radio 5 Live
This is the first time Andy Ruiz has walked out as world champion. The pressure is on.
Joshua v Ruiz
Green and red lasers for the champion - he comes bounding through like Mission Impossible, he's already pulled that off once...
Ruiz, donned in gold with a green bandana, bounces into the ring. He looks buzzing for this one.
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Mike Phillips: Can't understand the pundits calling it for Joshua. Three stones lighter, and he got beaten up last time. Ruiz to win... of course.
Kev Baron: Joshua to win Round 9!
Jed Taylor: seeing so much hype for AJ again. Still don't think he can do it. Ruiz Jr late KO or unanimous decision imo.
Joshua v Ruiz
Steve Bunce
BBC Radio 5 Live boxing pundit at Diriyah Arena
AJ looks on edge and he looks like a man that knows this is the most important single fight of his career.
Some people might think he looks petrified. No he doesn't. He looks mean.
Joshua v Ruiz
Anthony Joshua has plastic covers on his boots after the rain earlier in Saudi Arabia.
The chants ring out again for AJ, before Andy Ruiz Jr, the IBF, WBA and WBO heavyweight champion of the world, is announced.
Joshua v Ruiz
Richie Woodhall
Former world champion at Diriyah Arena for BBC Radio 5 Live
He does a look a little bit tense. He is wearing a really nice white robe and he is walking calmly to the ring.
Joshua v Ruiz
And here comes AJ.
White robe, red trim. No entourage, just the challenger himself.
Red, white and blue lasers beam out around the Briton as he strolls into the arena.
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Yousuf Ali: Joshua to win this easy. Ruiz has spent the last 6 months celebrating. Completely unprepared for this one.
GeoDev: Sad to see it is still that same arrogance floating around of "Ruiz only got lucky", that exact arrogance is what will cloud Joshua's judgement...again. soon AJ can tell you all how Saudi sand tastes.
Jordan Fleming: if AJ has the patience and plan he should be able to use his reach. But one punch can end a hw fight
Joshua v Ruiz
"Oooh, Anthony Joshua .." chant the Riyadh crowd.
Michael Buffer, channeling Will.I.Am, declares the party started.
Image source, Getty ImagesJoshua v Ruiz
Image source, Getty ImagesAJ does not want to be seeing this image again tonight...
Joshua v Ruiz
Mike Costello
BBC Sport boxing correspondent on Radio 5 Live
If AJ keeps Andy Ruiz at long range and hits him hard enough and often enough, I think he will win.
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Ray Brilliant: Joshua to win by KO by round 6.
David Cannon: I’m thinking I should have gone to Riyadh to watch AJ Knock out Ruiz in the 7th!!
Paul Tabram: Joshua wont make the same mistakes again. 3rd round knockout!
Joshua v Ruiz
Richie Woodhall
Former world champion at Diriyah Arena for BBC Radio 5 Live
I think this is a night where AJ can shine. I don't think he will make the same mistakes and I think he will catch him and win by round five or six with a stoppage.
Joshua v Ruiz
Here we go.
It's Sweet Caroline....
Image source, PA MediaJoshua v Ruiz
Image source, @TheSlyStalloneSo what does the real Rocky make of the chances of the 'Mexican Rocky', as Andy Ruiz Jr has been dubbed by his dad...
Sylvester Stallone is calling a Ruiz victory.
“Nothing against Anthony Joshua because I think he is excellent, I have to go with the underdog. That’s my life," he said.
Joshua v Ruiz
BBC Radio 5 Live
If you haven't already, get 5 Live on now... the fight talk is hotting up as Mike Costello takes the microphone.