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 at the official UFC lightweight rankings and #9 from the official UFC pound-for-pound ranks.
McGregor began his MMA career in 2008 and, in 2012, he won both the Cage Warriors Featherweight and Lightweight Championships, holding both titles simultaneously before vacating them to sign together with the UFC. In 2015, at UFC 194, he defeated Jos?? Aldo to the UFC Featherweight Championship via knockout 13 seconds into the first round, which is the fastest victory in UFC title fight history. Upon beating Eddie Alvarez for the UFC Lightweight Championship at UFC 205, McGregor became the first fighter in UFC history to hold titles in two weight divisions simultaneously.
McGregor began his professional boxing career in 2017. In his debut boxing game, he was conquered by Floyd Mayweather Jr.He is the largest pay-per-view (PPV) draw in MMA history, with headlined five out of those six highest-selling UFC pay-per-view occasions. His headline bout with Khabib Nurmagomedov at UFC 229 attracted 2.4 million PPV buys, the most ever for an MMA event. His boxing game with Mayweather attracted 4.3 million PPV purchases in North America, the second 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 second fight against Mo Taylor, he made his featherweight debut in a loss via submission against Artemij Sitenkov. Following a success at featherweight in his next bout against Stephen Bailey, McGregor contemplated another career path before his mum contacted his trainer John Kavanagh and reinvigorated him to continue pursuing combined martial arts. 
McGregor then won his second battle, also at featherweight, against Connor Dillon, before moving back to lightweight for a fight against Joseph Duffy, where he received his next expert reduction after submitting to an arm-triangle choke. After this, during 2011 and 2012, McGregor went to an eight-fight winning series, through which he won both the CWFC Featherweight and Lightweight championships, making him the first European professional mixed martial artist to hold names in two branches simultaneously. Back in February 2013, UFC president Dana White made a trip to Dublin, Ireland to Be Given a Gold Medal of Honorary Patronage in Trinity College and has been inundated with requests to signal McGregor into the UFC. Following a meeting McGregor, and talking with UFC CEO Lorenzo Fertitta, White offered him a contract later.
Ultimate Fighting Championship (2013–gift )
UFC introduction In February 2013, the Ultimate Fighting Championship (UFC) declared that they had signed McGregor into a multi-fight contract.  In linking, McGregor became only the second fighter out of Ireland to compete to the firm, following fellow SBG team member Tom Egan.
On 6 April 2013, McGregor made his UFC debut against Marcus Brimage about the preliminary card of UFC on Fuel TV: Mousasi vs. Latifi.  Brimage began the battle aggressively, meeting McGregor at the middle of the octagon before launching a flurry of strikes to push him . McGregor, repeatedly throwing a counter left hand, found little success with his initial striking. After ascertaining that Brimage was susceptible to some snap kick directed in his chest and torso, McGregor started to employ a looping left hand uppercut, throwing each time Brimage would proceed forward 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 expected to confront Andy Ogle on 17 August 2013 in UFC Fight Night 26, but Ogle pulled from the bout citing an injury and was replaced by Max Holloway.  McGregor bewildered Holloway together with his unusual boxing strategy, and his incorporation of a wide array of taekwondo kicks, a lot of which aren’t utilized in MMA to some significant level. McGregor was able to control the striking range by using extended, non-committal low side kicks to Holloway’s knee and knee, and initiate mixes by leaping with bike and switch kicks. After the battle was brought into the floor, McGregor maintained top control, performing various 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 scan revealed that McGregor had torn his anterior cruciate ligament (ACL) during the bout and would require surgery, keeping him out of action for up to ten months. 
Return after injury McGregor was anticipated to confront Cole Miller on 19 July 2014 in UFC Fight Night 46 in his comeback bout after recovering from his ACL injury.  But, Miller pulled out of the bout citing a thumb injury and was replaced by Diego Brand??o.  McGregor fought 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 assorted taekwondo kicks, and left counters. Brand??o, a Brazilian Jiu-Jitsu black belt, attempted to instigate two takedowns, so that he could make use of his grappling pedigree, but both attempts were avoided by McGregor. Nonetheless, a lot of the struggle was spent on the ground, as McGregor attained a takedown 1:20 into the bout. When the battle returned to the feet in the next minute, McGregor started to use his left hand cross, and began to cut off the cage. Brand??o, trapped between the octagon and McGregor, dropped to his side after being hit with another left hand cross as the fight went to its fourth minute.  The battle has been formally halted by Faith Leon Roberts at 4:05 of the very first round. The win earned McGregor his initial”Performance of the Night” award. 
Before his next bout, McGregor met with Lorenzo Fertitta and signed up a fresh multi-fight contract with the UFC. McGregor next confronted Dustin Poirier on 27 September 2014 in UFC 178.  The bout was one of the most anticipated fights on the UFC 178 card, with McGregor and Poirier two of only four men involved in the pre-fight media conference, together with the initially scheduled headliners Jon Jones and Daniel Cormier.  Part of this anticipation stemmed from the challenge the match-up posed: Poirier was McGregor’s first competitor ranked in the UFC’s top ten featherweights.  Regardless of McGregor landing 9 significant strikes on Poirier’s 10, he managed to secure a success early on in the first round, by pushing Poirier on his back foot, before exploding with a left hook behind Poirier’s ear, forcing referee Herb Dean to step in. The finish officially came at 1:46 to the first round.  This marked Poirier’s first UFC reduction via KO/TKO, also got McGregor his second straight”Performance of the Night” award.  In the post-fight interview with commentator Joe Rogan, McGregor mentioned the UFC Featherweight Championship as his next target in the organisation, stating that”If [the UFC] desire, I’ll remove Chad Mendes and step in and give the fans what they need; Aldo vs. McGregor.”
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