Get Involvedpublished at 23:10 BST 4 April
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A lot of sentiment clouding predictions tonight. Chisora hasn't beaten anyone of note in his career. He's not beating Wilder now.
Gary, London
Derek Chisora loses wild fight to Deontay Wilder in London
Wilder drops Chisora in round eight but then deducated point in hectic fight
Chisora retires set to retire after 50th professional heavyweight bout
In Cardiff, Lauren Price retains welterweight world titles against Stephanie Pineiro
Price suffers bad cut in round five, but gets points win
Welshwoman faces off with Claressa Shields
Bobbie Jackson, Esha Nayar and Kal Sajad
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A lot of sentiment clouding predictions tonight. Chisora hasn't beaten anyone of note in his career. He's not beating Wilder now.
Gary, London
Chisora v Wilder
Richie Woodhall
Former boxing world champion on BBC Radio 5 Live
That's the risk Chisora is taking here, he knows he needs to get Wilder in the chest, he's just taking the hits.
He has to work Wilder's body here.
Chisora v Wilder
Image source, Getty ImagesChisora v Wilder
Steve Bunce
Boxing expert on BBC Radio 5 Live
Del Boy is complaining about something to do with his eye. Derek is really distressed in the corner, he's very angry with something.
Chisora v Wilder
Wilder backs Chisora on to the ropes again and then seems to be speaking to someone in the crowd, possibly one of the boxing pundits, as they tie up.
It's being fought at a pretty decent pace but there's a real lack of technical ability.
Wilder cracks Chisora with a right hook and Chisora looks hurt as he turns his back away. The referee wants them to keep fighting but Chisora is complaining about something - possibly his eyes?
The bell rings and it's another strange end to the round.
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Chisora won't keep this up! Wilder will have him out by the end of round 4 at this rate!
Josh
Chisora v Wilder
Richie Woodhall
Former boxing world champion on BBC Radio 5 Live
Derek needs to bring his hands up higher.
Chisora v Wilder
"Get back to your boxing and get that jab working," is the message from Chisora's corner between rounds.
I'm not sure Chisora has used the jab a great deal yet.
Chisora v Wilder
Steve Bunce
Boxing expert on BBC Radio 5 Live
I think Derek was really hurt in that round. He's been caught and looks a little bit dazed.
This is brutal. It's almost like he's trying too hard, he's being a really reckless Del Boy. Wilder looks sharper than he's been in a while.
Chisora v Wilder
Richie Woodhall
Former boxing world champion on BBC Radio 5 Live
We said that Chisora has to keep moving his head if he's moving forward. He just walked onto a big couple of right hands and an uppercut, he needs to keep moving his head. Wilder keeps finding him with that right hand.
Chisora v Wilder
Wilder comes out strong strong and Chisora is taking some serious damage.
Chisora's head movement is far too slow and Wilder catches him with several heavy right hands.
Chisora looks hurt as the ropes keep him standing. His eyes widen but he stays on his feet. Credit to Chisora as he reverses the roles and attacks Wilder's body.
Chisora ends up on the canvas but it's rightly deemed a slip.
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I think Chisora will be hard to break down. Wilder has been more gun-shy and vulnerable since he’s had the losses in his later career. I just think Chisora will grind him down and get the win in the later rounds.
Jon, Milton Keynes
Chisora v Wilder
Steve Bunce
Boxing expert on BBC Radio 5 Live
Extraordinary doesn't even come close. Derek Delboy Chisora just took an uppercut that nobody else than Wilder has faced has taken before.
Carnage, chaos, 20,000 people. This is a fight.
Chisora v Wilder
Oh!
They tangle up on the ropes and are told to break by the referee but both fighters ignore the command and continue to throw punches.
Wilder was leaning heavily on Chisora and almost forced him over the top rope.
Eventually the referee gets them into a standing position but one of Chisora's cornermen runs into the ring.
That was a very strange sequence of events.
Image source, Getty Images
Image source, PA MediaChisora v Wilder
A huge roar rings around the O2 Arena as the first bell rings.
Chisora is walking forward with his head ducked down low and swinging his arms recklessly over the top.
Wilder is prepared and primed to fire, though. The American stands with a wide base and looks to catch Chisora coming in with his devastating right.
This gameplan appears to be very risky from Chisora.
Chisora v Wilder
Richie Woodhall
Former boxing world champion on BBC Radio 5 Live
It's really important that Chisora moves his head when he's coming forward because that's when Wilder is really dangerous.
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This crowd will be Chisora biggest weapon, he gets this done in round six.
Joe, London
Chisora v Wilder
Image source, bbcChisora v Wilder
Final instructions for the two fighters and a touch of gloves means we're just seconds away.
Chisora v Wilder
