Conor Anthony McGregor (Irish: Conch??r Ant??in Mac Gr??ag??ir; born 14 July 1988) is an Irish professional mixed martial artist and fighter. He is the former Ultimate Fighting Championship (UFC) featherweight and lightweight winner. As of 1 July 2019, he is ranked #3 in the official UFC lightweight positions and #9 from the official UFC pound-for-pound rankings.
McGregor started his MMA career in 2008 and, in 2012, he won both the Cage Warriors Featherweight and Lightweight Championships, holding both titles concurrently before vacating them to signal with the UFC. In 2015, at UFC 194, he defeated Jos?? Aldo for the UFC Featherweight Championship via knockout 13 seconds into the first round, that’s the quickest victory in UFC title history. Upon beating Eddie Alvarez for the UFC Lightweight Championship in UFC 205, McGregor became the first fighter in UFC history to maintain titles in two weight divisions simultaneously.
McGregor started his professional boxing career in 2017. In his introduction boxing match, he had been conquered by Floyd Mayweather Jr.He is the largest pay-per-view (PPV) draw MMA history, with headlined five out of the six highest-selling UFC pay-per-view events. His headline bout with Khabib Nurmagomedov at UFC 229 drew 2.4 million PPV buys, the most ever for an MMA event. His boxing match with Mayweather attracted 4.3 million PPV purchases in North America, the next most in history.On 9 March 2008, McGregor had his first pro MMA bout, as a lightweight, beating Gary Morris using a second-round TKO. Following McGregor won his next battle against Mo Taylor, he made his featherweight introduction in a reduction via submission against Artemij Sitenkov. After a victory at featherweight in his next bout against Stephen Bailey, McGregor considered a different career path prior to his mother contacted his trainer John Kavanagh and reinvigorated him to continue pursuing mixed martial arts. 
McGregor then won his second battle, too at featherweight, against Connor Dillon, before going back to lightweight for a fight against Joseph Duffy, where he obtained his second professional loss after submitting to an arm-triangle choke. Following this, throughout 2011 and 2012, McGregor went on an eight-fight winning series, during which he won both the CWFC Featherweight and Lightweight championships, making him the first European professional mixed martial artist to hold titles in two divisions simultaneously. In February 2013, UFC president Dana White chose to Dublin, Ireland to receive a Gold Medal of Honorary Patronage in Trinity College and was inundated with requests to signal McGregor into the UFC. After a meeting with McGregor, and speaking with UFC CEO Lorenzo Fertitta, White offered him a contract days later.
Ultimate Fighting Championship (2013–gift )
UFC introduction In February 2013, the Ultimate Fighting Championship (UFC) declared that they had signed McGregor into some multi-fight contract.  In joining, McGregor became just the second fighter from Ireland to compete to the company, after fellow SBG team member Tom Egan.
On 6 April 2013, McGregor made his UFC debut against Marcus Brimage on the first card card of UFC on Fuel TV: Mousasi vs. Latifi.  Brimage began the battle aggressively, meeting McGregor in the middle of the octagon before launching a flurry of strikes to push him back. McGregor, repeatedly throwing a counter left hand, seen little success with his initial striking. After ascertaining that Brimage was vulnerable to some snap kick directed in his chest and chin, McGregor started to apply a looping left hand uppercut, throwing each time Brimage would move forwards into striking variety. These uppercuts grounded Brimage shortly after McGregor began to utilize them. The bout was stopped 1:07 to the first round.  The win also earned McGregor his initial”Knockout of the Night” award. 
McGregor was anticipated to confront Andy Ogle on 17 August 2013 at UFC Fight Night 26, but Ogle pulled from the bout citing an injury and has been replaced by Max Holloway.  McGregor bewildered Holloway together with his unusual boxing strategy, and his incorporation of a wide variety of taekwondo kicks, a lot of which aren’t utilized in MMA to a significant level. McGregor managed to control the striking range using long, non-committal low side kicks to Holloway’s knee and shin, and initiate combinations by leaping with bike and switch kicks. After the battle was brought into the floor, McGregor maintained high hands, performing different positional improvements, and mitigating his opponent’s offence on the floor.  McGregor won the fight by unanimous decision (30–27, 30–27, and 30–26). Following the bout with Holloway, an MRI study revealed that McGregor had torn his anterior cruciate ligament (ACL) during the bout and would require operation, keeping him out of action for up to ten weeks. 
Return after injury McGregor was expected to face Cole Miller on 19 July 2014 in UFC Fight Night 46 in his comeback bout after recovering from his ACL injury.  However, Miller pulled from the bout citing a thumb injury and has been replaced by Diego Brand??o.  McGregor battled Brand??o in front of a loud, rowdy crowd of 9,500 at The O2 in his hometown of Dublin, Ireland. McGregor began the struggle with a signature turning side kick, before finding his range and successfully landing various taekwondo kicks, and left counters. Brand??o, a Brazilian Jiu-Jitsu black belt, tried to instigate two takedowns, so that he could make use of his grappling pedigree, but both attempts were avoided by McGregor. Nonetheless, much of the fight was spent on the ground, as McGregor attained a takedown 1:20 to the bout. After the battle returned to the toes in the next minute, McGregor started to employ his left hand crossover, and started to cut the cage. Brand??o, trapped between the octagon and McGregor, fell to his side after being struck with the other left hand crossover as the fight went to its fourth second.  The battle was formally halted by Faith Leon Roberts at 4:05 of the first round. The triumph earned McGregor his initial”Performance of the Night” award. 
Before his next bout, McGregor met with Lorenzo Fertitta and signed up a new multi-fight contract with the UFC. McGregor next confronted Dustin Poirier on 27 September 2014 at UFC 178.  The bout was among the most anticipated fights on the UFC 178 card, with McGregor and Poirier two of only four men involved in the pre-fight press conference, together with the initially scheduled headliners Jon Jones and Daniel Cormier.  Part of the expectancy stemmed in the challenge that the match-up introduced: Poirier was McGregor’s first opponent ranked in the UFC’s top ten featherweights.  Regardless of McGregor landing 9 significant strikes to Poirier’s 10, he was able to secure a success early in the first round, by pushing Poirier onto his rear foot, before bursting with a left hook supporting Poirier’s ear, forcing referee Herb Dean to measure in. The end officially came at 1:46 into the first round.  This marked Poirier’s initial UFC loss via KO/TKO, and earned McGregor his second straight”Performance of the Night” award.  In the post-fight interview with commentator Joe Rogan, McGregor cited the UFC Featherweight Championship as his second target from the organisation, saying that”If [the UFC] desire, I will eliminate Chad Mendes and step into and give the fans what they want; Aldo vs. McGregor.”
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