Floyd Mayweather vs. Conor McGregor was a professional boxing match held on August 26, 2017 at the T-Mobile Arena in Paradise, Nevada. It was Conor McGregor's first professional boxing match. Despite his mixed martial arts record, McGregor held no noteworthy amateur boxing wins and his amateur boxing record was never released to the media. The bout was sanctioned by the Nevada Athletic Commission and it was one of the most financially successful boxing matches of all time.^[39]

The fight was called "The money Fight" and "The Biggest Fight in Combat Sports History. "It was a professional boxing match between undefeated former boxing world champion and 1996 Olympic silver medalist Floyd Mayweather and two-division mixed martial arts (MMA) world champion and, Ultimate Fighting Championship lightweight champion Conor McGregor. It was contested at the 154 pound weight limit which is referred to as the junior middleweight weight division. The bout was scheduled for twelve rounds and recorded the second highest pay-per-view buy rate in history.

On May 18,2017,Conor McGregor signed his half of the contract,agreeing to fight Floyd Mayweather. Conor agreed to compete in boxingrather than mixed martial arts. On August 2, 2017, Floyd agreed to fight in 8 ounce gloves, rather than the traditional 10 ounce gloves that their weight class would have fought in. Conor usually fights in 4 ounce gloves that are used for MMA.

Floyd Mayweather stated that he is a "there's only one fight that makes business sense" and that he came out of retirement because he's "a businessman and wants to give the world what they want to see."The decorated boxer went on to say "McGregor's a fighter I'm a fighter.This is what the fight fans and MMA fans want to see."

Floyd Mayweather went into the match with a 49-0 record, hoping to land his 50th consecutive victory against McGregor.This

would be McGregor's first professional boxing match. McGregor

hails from Crumlin, which is a suburb of Dublin, Ireland. Floyd Mayweather grew up in Grand Rapids,Michigan.

McGregor has a long history of taunting Floyd Mayweather.He once said:

Experts expected that more money would be bet on the fight than any other boxing match in history; estimates ranged up to $85 million in bets.

There were six separate $1 million bets on Mayweather in Las Vegas sportsbooks, but a large majority of bets overall were on the underdog McGregor.^[20]

Nevada Athletic Commission announced the live gate for the event was $55,414,865.79 from 13,094 tickets sold and 137 complimentary tickets given out. This was far less than the Mayweather vs. Pacquiao fight which grossed $72,198,500 from a paid attendance of 16,219 in 2015, despite claims from Ellerbe and Mayweather that it did more than $80 million.

Showtime executive Stephen Espinoza told the Los Angeles Times that the fight was expected to generate around 4.4 million domestic buys, which would fall just short of the 4.6 million record which was set by Mayweather-Pacquiao. On December 14, 2017,Showtime officially announced 4.3 million domestic buys, making it the 2nd highest buy rate in pay-per-view history.

Sky Sports initially estimated the fight garnered over a million PPV buys in the UK and grossed in excess of £20 million, which would've surpassed the record set in April 2017 when Anthony Joshua defeated Wladimir Klitschko in front of 90,000 at the Wembley Stadium. This would've also meant the fight generated more buys in the UK than Mayweather-Pacquiao which took place in 2015. Figures later revealed by the Broadcasters' Audience Research Board showed the Mayweather–McGregor fight drew 874,000 PPV buys in the United Kingdom.

At the weigh-in, Mayweather tipped the scales at 149.5 lbs, with McGregor at 153 lbs.

On the night of the fight, McGregor weighed nearly 20 lbs heavier than Mayweather.

Mayweather and McGregor entered the ring following the Irish and American national anthems; the Irish singer, songwriter and multi-instrumentalist Imelda May performed on behalf of Conor McGregor, followed by the American singer-songwriter and actress Demi Lovato, who was personally chosen by Mayweather.

Mayweather was expected to dominate the fight early but McGregor started strong and was ahead on one judge's card cards for the first few rounds, due in part to Mayweather using the rope-a-dope technique in the early stages.

Because of this the fight looked closer than it actually was due to Mayweather abandoning his usual stick-and-move style in order to knock McGregor out.

As the fight progressed, McGregor began to fatigue slightly.As

the fight reached the 25-minute mark, when MMA fights end (five rounds of five minutes),Mayweather began to attack. In

round nine, Mayweather landed a series of punches to McGregor's face. He

pummelled McGregor in the 10th,landing numerous shots and chasing McGregor around the ring until referee Robert Byrd saved McGregor and stopped the fight in favor of Mayweather.

After the match, Mayweather stated that he had expected McGregor to be a fast starter and had allowed him to deliver his heavy blows early.

McGregor on the other hand was disappointed by what he saw as an early stoppage, but respected the referee's decision.

Former boxers such as George Foreman and Evander Holyfield expressed their impression regarding McGregor's boxing skills and the competitiveness of the fight, with Foreman claiming that experts who criticized the fight "should apologize.

It was competitive".

Mike Tyson gave McGregor an "A grade" for his performance, stating he was impressed. The fight was lauded for its entertaining and exciting nature, especially when compared to Mayweather's most recent bouts.

McGregor put his hands on his hips immediately after the stoppage and told the referee that the fight was stopped too early.

Boxing journalist Matthew E. O'Neil stated, "Mayweather has had a history of hand problems and that may have been McGregor;s best chance to win the match,by letting Mayweather run out of energy. Some people think that McGregor was winning the majority of the rounds up until the time of the stoppage."

Mayweather announced in his post-fight interview that he had fought his final boxing match and would officially retire from the sport.Mayweather

stated "Any guy that's calling me out? Forget

it," putting an end to his boxing career. McGregor

said in his post-fight interview that he would be willing to box again and that he would return to mixed martial arts and the UFC.^[21]

According to contract details from the Nevada State Athletic Commission, Mayweather earned a disclosed purse of $100 million while McGregor brought home $30 million, according to ESPN. It is the same disclosed purse Mayweather received for his fight against Manny Pacquiao in 2015. Meanwhile, McGregor made a minimum of $30 million. That was 10 times what he made from his last UFC against Eddie Alvarez at UFC 205, his last previous high salary.

As of 2020, Conor McGregor's professional boxing record is zero wins and one loss.^[23] McGregor does not have any noteworthy amateur boxing wins on his record.

Everipedia editor Matthew E. O'Neil contacted noted matchmaker Eric Bottjer by telephone in 2018. Bottjer stated that McGregor did have boxing experience. However, outside of sparring O'Neil did not find an amateur boxing record for McGregor. If Irish boxing authorities have an sanctioned amateur boxing record for McGregor it can not be found on the Internet. O'Neil was on a February 2020 episode of The Grueling Truth where he told the shows host Mike Goodpaster that Conor McGregor had no noteworthy amateur boxing wins. O'Neil was on AkHi TV in 2020.

McGregor was arrested in 2018 for attacking a bus full of UFC fighters in New York City by throwing a guardrail against a bus they were sitting in. In 2019 McGregor was summoned to go to court in the Republic of Ireland for allegedly punching a man at a bar. He was charged in 2019 for slapping a cell phone out of a man's hand outside of a Miami hotel but the charges were dismissed. McGregor's case In Ireland was settled with a $1,000 fine.