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Summary

  1. BBC Radio 5 live commentary of the fight from 03:30 BST on Sunday, 27 August
  2. Weight limit for the fight is set at 154lbs (11 stone)
  3. Mayweather has won all 49 of his professional bouts
  4. McGregor, a two-weight world champion in UFC, has never boxed professionally
  5. McGregor weighs in at 10st 13lbs, Mayweather at 10st 9lbs 8oz

Live Reporting

By Michael Emons

All times stated are UK

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Until tomorrow

BBC Radio 5 live

So, that is a pretty tasty warm-up to the big event tomorrow.

Our live page will be up and running from 21:00 BST on Saturday, with live radio commentary on BBC Radio 5 live from 03:30 BST on Sunday, before the fight starts at approximately 04:00 BST.

We will leave this page there and we will see you all tomorrow for what is going to be an unforgettable occasion. Until then, bye for now.

Mayweather v McGregor
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Calm v screaming

So, what just happened?

This picture sums it up very, very well.

Weigh in
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Both fighters make the weight, and McGregor was the one doing all the screaming and shouting, while Mayweather just watched on and then laughed.

The final face-off

And here is how the stare-down went on, courtesy of BBC Sport's Richard Conway.

BBC Sport app users may need to click on the link to see the video.

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'Weight doesn't win fights, fighting wins fights'

Now some quotes from Floyd Mayweather, who says: "I have been here before, I know what it takes, tomorrow it comes down to the fighters.

"Weight doesn't win fights, fighting wins fights. It will not go the distance, mark my words. I just want to thank the fans, this will be Conor McGregor's last fight as well.

"The fans can't fight for you it comes down to the two competitors. Forty-nine times I have been out there and it is one-on-one."

'I see a man afraid'

Conor McGregor says: "I'm going to breeze through him. I'm a professional, I make weight, it is sacrifice but I make it, I'm ready.

"I will be a lot bigger, a lot bigger than him, close to 170lbs. There is a saying you will never beat the Irish, Las Vegas is Ireland now. I'll stomp my foot right in the centre of the ring. I see a man afraid and you will see that tomorrow."

McGregor is the one doing all the talking, he looks fierce and ready to go. He is trying to provoke Mayweather, who remains ice cold. The American just laughs in his face.

And now the head-to-head.

BreakingBoth fighters make the weight

McGregor weighs in at 153lbs (10st 13lbs), one lb under the 154lb limit. Now Mayweather, and he weighs in at 149.5lbs (10st 9lbs 8oz), well inside the weight limit.

Here comes Mayweather

McGregor's fans are outnumbering Mayweather's with boos ringing around the arena as the American makes his way to the ring.

Mayweather is flanked by his huge bodyguards that have not left his side while in Vegas, as part of an entourage of about 100. Incredible.

It is a slow, slow walk to the stage, accompanied by the sounds of the Phil Collins' hit 'In The Air Tonight'.

Anyone have Mayweather down as a Phil Collins fan? Nope, me neither.

Fines if you don't make the weight

There has been an issue of whether McGregor would make the 154lbs limit, with Mayweather saying the Irishman 'looked 10lbs over' earlier in the week.

If that does happen, the fight will almost certainly still go ahead, but 'a heavy fine' would be placed on him, well, according to Mayweather.

Here comes Conor

Conor McGregor, with an Ireland flag wrapped around his shoulders, is waiting to be called to the stage.

He bounces around on his toes, a bit of nervous tension, and here he comes, with thousands and thousands of fans desperately trying to record the action on their phones. It is an event they will never forget and never want to forget.

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Martyn Waugh: I can see McGregor outboxing Mayweather. Mayweather isn't nearly as skilled as McGregor when it comes to pure boxing. I think McGregor will pick him apart with his famous jab and win on the scorecards unanimously.

Cleverly makes the weight for title defence

Earlier on, Wales' Nathan Cleverly, who defends his WBA World Light-Heavyweight title against Sweden's Badou Jack on the undercard, successfully made the weight.

We will have full text coverage of Cleverly v Jack in our live page tomorrow.

BBC Sport app users may need to click on the link to see the tweet.

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The camera goes backstage and shows Conor McGregor looking super relaxed, playing with his toddler son looking like he hasn't got a care in the world.

He will change his appearance from Family Man to Focused Man very soon.

'Monnnneeeeeyyyyy'

Luke Reddy

BBC Sport boxing reporter in Las Vegas

Stage
.

This is where the two biggest names in sport this weekend will walk out. One great bit of news is Jimmy Lennon Jr is doing the MC work tonight.

I do love the way he drags the Mayweather name out. "Floyd Monnnnnnnneeeeyyyy Mayweather".

Irish fans in good voice

Some colour from BBC Sport's Richard Conway, who is also inside the T-Mobile Arena.

Click on the link to see the tweet.

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'McGregor will give it everything he has got'

Another clip now courtesy of BBC Radio 5 live's Steve Bunce, who says Conor McGregor will give it everything he has got to beat Floyd Mayweather.

BBC Sport app users may need to click on the link below to see the video, and the joy of Steve's shirt.

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Inside the arena

And this was the scene inside the T-Mobile Arena not too long ago.

BBC Sport app users may need to click on the link to see the video.

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A venue fit for a combat king!

Luke Reddy

BBC Sport boxing reporter in Las Vegas

Arena
.

If you've not been to the T-Mobile Arena, let me tell you it's impressive.

Huge escalators inside hit home to the sheer size, you barely walk 50ft before hitting the next bar on the concourse and when you elect to take a seat it's a beautiful mix of strobe lights, banner lights circling the bowl-shaped arena and as always with boxing, the ring is like a magnet to the eyes.

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Gary Thornton: Hopefully neither will make the weight.

Tony Lacey: Mayweather surely has to win?

The Cookhouse Cafe‏: As a friend said, it's a fight between a shark and a lion unfortunately for the lion its in the ocean of Vegas.

McGregor v Malignaggi next?

What Mike is referring to is what has been a bizarre sideshow in an already bizarre event.

American boxer Paulie Malignaggi, a two-weight world champion, was helping Conor McGregor by sparring with him. That was until pictures appeared on social media of Malignaggi seemingly being floored by the Irishman.

Malignaggi claimed he had only been pushed to the canvas, then the UFC's Dana White produced this video of the pair boxing together.

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Malignaggi was not exactly impressed with that and now says he wants to fight McGregor on St Patrick's Day - Saturday, 17 March, 2018.

Could it happen? The fact McGregor put up a good show against Mayweather has probably increased the chances significantly.

'I wish to fight Conor'

Luke Reddy

BBC Sport boxing reporter in Las Vegas

Zoltar
.

Anyone remember the Zoltar machine on the Tom Hanks classic 'Big'? You know the one, the kid who goes to the machine, wishes to be big and wakes up a fully grown man.

There's a Zoltar machine in a walkway on the way to the T-Mobile Arena. Any minute now Paulie Malignaggi will turn up and start wishing for a chance to fight McGregor. 'The Magic Man' is trying everything he can to make it happen.

Tickets, who wants tickets

Crazy as it seems, £1,800 for the tickets is not as bad as it could have been.

Tickets on Stubhub yesterday were going for $68,170 (£52,940).

They aren't there now so someone has snapped them up, instead of choosing a really, really nice car, or paying off a huge slab off the mortgage.

There may be some empty seats in the T-Mobile Arena tonight with tickets on Stubhub still going for up to $19,700 (£15,290).

Conor McGregor
Getty Images

McGregor feeling the pressure?

BBC boxing expert Steve Bunce feels there has been a change in the mentality of Conor McGregor, and he is starting to feel the pressure.

Click on the link to listen to the clip.

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bbc-coverageBBC coverage

There will be live commentary of the fight on BBC Radio 5 live from 03:30 BST on Sunday morning so make sure you join Mike Costello, Steve Bunce and the rest of the team for all the action.

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'A beautiful skull and a beautiful belt'

Conor McGregor is keen to take the belt. And 'another skull'.

BBC Sport app users may need to click on the link to see the tweet.

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The Money Belt

It is a huge boxing fight so there must be some belts on the line then? Well, not officially as Mayweather has not fought in two years and McGregor has not boxed professionally. Ever.

So the World Boxing Council decided to make up this 'Money Belt'. It is an incredible piece of work as well. The belt is made of crocodile leather, has 1.5kg of 24 kt gold, 3,360 diamonds, 600 sapphires and 160 emeralds.

Snazzy.

WBC
WBC

Bring on the mayhem!

Luke Reddy

BBC Sport boxing reporter in Las Vegas

Las vegas
.

I can say with some certainty that the crowds have flowed into Las Vegas now. Last night, the sidewalk (I've adopted that over pavement) felt like a game of British Bulldogs. The crowds in casinos are deeper, it's noisier and you hear people talking about the fight relentlessly.

American TV networks have set up studio points in resorts to broadcast from the strip. I watched some of it yesterday, trainer and broadcaster Teddy Atlas called Floyd Mayweather "Michaelangelo" while insisting Conor McGregor's fight style would be "paint by numbers."

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Your thoughts on the action

Let us know what you make of all the action from Las Vegas. Tweet us using the hashtag #bbcboxing and we will put you on this page.

'A nauseating race as each man tried to find fresh insults'

Richard Conway

BBC Radio 5 live sports news correspondent in Las Vegas

The fight between Conor McGregor and Floyd Mayweather will dominate the sporting landscape this weekend. Thus far it has engendered a mix of intrigue and revulsion from observers. Whether you like it or not, this is a sporting event that cannot be ignored.

Mayweather v McGregor, with its unabashed glorification of money, image and bravado, fits perfectly within the daily excesses of the world's gambling capital.

The smell of money permeates the Las Vegas strip at the best of times. This week, the stench is inescapable. Both fighters and their camps have been candid in admitting the contest is all about the cash. However, the language they have used to boost their mega pay day has been disgraceful.

A five-city publicity tour in July became a nauseating race to the bottom as each man tried to find fresh insults to hurl at one another. Homophobic put-downs, and racially motivated slurs and stereotypes have soured the build-up to this contest.

Read more of Richard Conway's feature here.

Mayweather v McGregor
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The tour of insults

It has been the promotional tour to end all promotional tours.

Mayweather and McGregor have certainly grafted in an attempt to sell tickets and pay-per-view buys.

It seems like there is nothing they will not say, nothing they will not do in an attempt to hype up this fight.

They have traded insults in Los Angeles, Toronto, New York and London and you can see some of those moments here.

Mayweather v McGregor: Kings of trash talk

Hello and welcome to BBC Sport's live text commentary of the weigh-in between Floyd Mayweather and Conor McGregor.

We expect the fighters to be on the scales some time after 23:00 BST.

Welcome to the circus

It has been feisty, it has been controversial and it has been hyped up beyond all belief.

But you just can't take your eyes off of it.

Mayweather v McGregor
Getty Images

On Saturday night in Las Vegas, Floyd Mayweather, the best boxer of a generation, takes on UFC two-weight world champion Conor McGregor in the most talked about fight of the year.

But first comes the weigh-in where the pair will go head-to-head for one last time. What will happen? Who knows?

Stay tuned.