Floyd Mayweather beat Conor McGregor in the 10th round at T-Mobile ArenaCredit: Getty Images
Conor McGregor was stopped in the 10th round by referee Robert ByrdCredit: Getty Images
Floyd Mayweather rushes off to celebrate his 50th professional winCredit: Getty
Floyd Mayweather celebrates his victory after Conor McGregor was stopped at T-Mobile ArenaCredit: USA Today Sports
Floyd Mayweather and Conor McGregor embrace after their much anticipated fightCredit: AP:Associated Press
Floyd Mayweather rushes off to celebrate his win at T-Mobile ArenaCredit: Getty Images
Conor McGregor gave his all in his first ever boxing fight but was out of his depthCredit: AP:Associated Press
Floyd Mayweather celebrates after taking his record to a spotless 50-0Credit: AP:Associated Press
With the blows raining down on McGregor he should have taken an eight count and perhaps prolonged Mayweather's 50th bout.
But he courageously refused to meet the canvas and was instead rescued by referee Robert Byrd before he was seriously hurt.
Mayweather was roundly booed during his lengthy introduction. The boxing icon looked nonchalant as Byrd gave his final instructions.
The Irishman maintained a steely gaze but Mayweather was almost pulling faces like a naughty child.
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McGregor went straight to work, firing that long left hand into the Money Man but only pounding away at his arms.
The Irishman’s movement was nothing extraordinary and he needed just 90 seconds to mock the unbeaten icon by folding his hands behind his back and offering up his luxuriously-bearded chin.
Conor McGregor and Floyd Mayweather grapple during their boxing fightCredit: Getty Images - Getty
Conor McGregor is caught in the face by Floyd Mayweather on his boxing debutCredit: Getty
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Conor McGregor's unorthodox stance did not trouble Floyd MayweatherCredit: Reuters
Floyd Mayweather had the upper hand after the first few rounds against Conor McGregorCredit: Getty - Contributor
Conor McGregor held his own for ten rounds against boxing legend Floyd MayweatherCredit: Getty - Contributor
Floyd Mayweather stopped Conor McGregor in the tenth round in Las VegasCredit: Getty Images
Floyd Mayweather took over and dominated the fight in Las VegasCredit: Getty Images
Floyd Mayweather proved far too good for Conor McGregor in Las VegasCredit: USA Today Sports
Conor McGregor couldn't keep Floyd Mayweather at bay once the American took overCredit: USA Today Sports
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Floyd Mayweather took over after the third round and broke Conor McGregor downCredit: Reuters
Floyd Mayweather took command and forced a late stoppage at T-Mobile ArenaCredit: Getty - Contributor
Conor McGregor made a fast start as Floyd Mayweather took his time to size his opponent upCredit: Reuters
Floyd Mayweather proved as elusive as ever as Conor McGregor struggled to landCredit: Getty Images - Getty
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Floyd Mayweather stayed out of trouble in the early part of the fight before taking overCredit: Reuters
Conor McGregor proved awkward for Floyd Mayweather for a couple rounds at T-Mobile ArenaCredit: Reuters
Floyd Mayweather ducks out of the way of a Conor McGregor left handCredit: Getty - Contributor
Floyd Mayweather dances his way round the ring at T-Mobile ArenaCredit: USA Today Sports
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Floyd Mayweather turns his back on Conor McGregor during the fightCredit: Getty Images
The referee checks on Conor McGregor after he takes a heavy beating from Floyd MayweatherCredit: Getty Images
Conor McGregor loses his balance and stumbles into the ropesCredit: Reuters
Conor McGregor's team assess the UFC star's condition in his cornerCredit: AP:Associated Press
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The referee calls a stop to the fight after Conor McGregor receives a flurry of punchesCredit: Getty Images - Getty
McGregor was looking for a big body shot early on, to test the abs on the 40-year-old.
The UFC hero was warned at the start of the second for rabbit punches to the back of the head, the same illegal shots he peppered ex-sparring partner Paulie Malignaggi with.
Three times in the second round the pair clashed in the clinch but there were no signs of any roughhouse tactics from the MMA hero.
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The Dubliner was expected to use the close encounters to target Mayweather’s elbows and shoulders but there was no wrestling or armbars used.
McGregor tried switch hitting in the third, swapping lead leg in an effort to unsettle Pretty Boy but it didn’t work as he settled in for the night.
In round four there was a couple of rare meaningful punches thrown by both men, their chins held up under scrutiny.
Mayweather lost his cool at the end of the fifth round after another slow round.
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Floyd Mayweather and Conor McGregor pose together after their blockbuster boutCredit: AP:Associated Press
Conor McGregor holds up his Notorious whiskey while speaking to the press after the fightCredit: Getty Images - Getty
Floyd Mayweather was full of praise for Conor McGregor after their fightCredit: AP:Associated Press
Conor McGregor is not fretting over his defeat as he raises a glass of whiskeyCredit: Getty Images - Getty
The stage was set at T-Mobile Arena for one of the biggest fights in historyCredit: EPA
Conor McGregor is introduced to the crowd at T-Mobile ArenaCredit: AP:Associated Press
Floyd Mayweather looked relaxed as he entered the ringCredit: AP:Associated Press
Conor McGregor came to the ring holding his two UFC beltsCredit: Getty
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Floyd Mayweather rocked an old style iPod Classic as he walked into T-Mobile ArenaCredit: Getty
Conor McGregor turned up in a white Rolls Royce Phantom for the biggest fight of his lifeCredit: Getty Images
Conor McGregor looked focussed and in the zone as he arrived at the arenaCredit: Getty Images
Conor McGregor's partner Dee Devlin arrives with their son Conor JrCredit: Getty Images
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Dee Devlin and Conor Jr leave the dressing room as Conor McGregor prepares for the fightCredit: Getty
Conor McGregor loosens up for the big fight against Floyd Mayweather in his dressing roomCredit: Getty
The boxer shoved McGregor in the chest well after the bell and was warned by referee Byrd who was busy again in the sixth when McGregor was warned again for illegal punches.
The 29-year-old was caught with a barrage of right hands from Mayweather and the younger man seemed to be breathing heavily and his face was begining to mark from the punishment he was suffering.
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And the seventh offered him no respite with Mayweather thoroughly out of his two-year retirement and throwing bombs.
McGregor answered any questions about his chin with a Spartan resilience.
But the ninth was McGregor’s nadir, he was swatted all over the ring by his rival, beaten from corner to corner, he clung on for the dear life, wrapping his long arms around the 49-0 star and somehow remaining vertical.
But in round 10 the Money Man cashed in by battering the brave martial artist senseless until Byrd flew in.
Mayweather protege Gervonta Davis, meanwhile, beat Francisco Fonseca in the eighth round in a bout that was supposed to be for a world title before Davis missed the weight.
Conor McGregor enjoyed the majority of the support from his partisan Irish followingCredit: AP:Associated Press
Singer Demi Lovato arrives at T-Mobile Arena for the big fightCredit: Getty Images
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Demi Lovato sings the US national anthem before the fightCredit: Getty Images
Jennifer Lopez and former baseball player Alex Rodriguez were among the stars in attendanceCredit: Getty Images
Basketball superstar LeBron James takes his seat at ringsideCredit: AP:Associated Press
LeBron James' new team-mate Isaiah Thomas was also in attendanceCredit: Reuters
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Mike Tyson was among the stars in the attendance at T-Mobile ArenaCredit: AP:Associated Press
Actress Charlize Theron in the crowd for the fight at T-Mobile ArenaCredit: Getty Images
Mayweather said: "I told you the fight would be blood, sweat and tears and that's what I gave you.
"I owed the fans for the Pacquiao fight. I cam straight ahead and gave the fans a show.
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"Hes a lot better than I thought he was. He's a tough competitor but I was the better man tonight.
"Our game-plan was to take our time and take him down the stretch. We wanted him to shoot heavy shots in the beginning. In the MMA he fights 25 mins really hard but then starts to slow down.
"This was my last fight tonight. I chose the right dance partner to dance with. Conor McGregor is a great champion."
Music mogul P Diddy pictured at the fight in Las Vegas on Saturday nightCredit: Reuters
Boxing legend Sugar Ray Leonard takes his seat and ringsideCredit: Reuters
Rapper Akon was another music star at T-Mobile Arena for the big fightCredit: Rex Features
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Music star Jamie Foxx was in attendance for the big fight at T-Mobile ArenaCredit: Rex Features
Ozzy and Sharon Osborne with son Jack in the stands at T-Mobile ArenaCredit: Getty Images
Bruce Willis on the red carpet in Las Vegas ahead of the fightCredit: Rex Features
A beaten McGregor said: "He's not that fast or powerful but boy he's composed in there. I have to give him respect for the great career hes had. F**k it I had a bit of fun over here.
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"Early on I felt handy enough but he was composed in there and fair play to him. That's what 50 pro fights does for you.
"There's a lot on the line here. The ref should've let me keep going. I was just a little fatigued.
"I get a bit wobbly when I'm fatigued, that's why I thought the ref could've just let me go on and let me go down.
"In the final two rounds you got to let me go back to the corner and wobble it out."