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’s 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 rankings.
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 conquered Jos?? Aldo for the UFC Featherweight Championship via knockout 13 minutes to the first round, that’s the fastest success in UFC title history. Upon defeating Eddie Alvarez for the UFC Lightweight Championship at UFC 205, McGregor became the first fighter in UFC history to maintain titles in two weight divisions simultaneously.
McGregor began his professional boxing career in 2017. In his introduction boxing match, he was defeated by Floyd Mayweather Jr.He is the largest pay-per-view (PPV) draw MMA history, having headlined five from the six highest-selling UFC pay-per-view occasions. His headline bout with Khabib Nurmagomedov at UFC 229 drew 2.4 million PPV purchases, the most ever for an MMA event. His boxing match with Mayweather drew 4.3 million PPV buys in North America, the second most from history.On 9 March 2008, McGregor had his first pro MMA bout, as a lightweight, beating Gary Morris using a second-round TKO. After McGregor won his next fight against Mo Taylor, he left his featherweight introduction in a loss via submission against Artemij Sitenkov. After a victory at featherweight in his next bout against Stephen Bailey, McGregor contemplated a different career path prior to his mum contacted his coach John Kavanagh and reinvigorated him to continue pursuing mixed martial arts. 
McGregor then won his next fight, too at featherweight, against Connor Dillon, before going back to lightweight to get a fight against Joseph Duffy, where he received his second professional loss after submitting to an arm-triangle choke. Following this, during 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 carry names in two divisions simultaneously. Back 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 to 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–present)
UFC debut In February 2013, the Ultimate Fighting Championship (UFC) declared that they had signed McGregor to a multi-fight contract.  In linking, McGregor became only the second fighter out of 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 about the preliminary card of UFC on Fuel TV: Mousasi vs. Latifi.  Brimage started the battle aggressively, meeting McGregor in 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 first striking. After ascertaining that Brimage was vulnerable to some snap kick directed at his chest and torso, McGregor began to apply a looping left hand uppercut, throwing each time Brimage would move forwards into striking variety. All these uppercuts grounded Brimage soon after McGregor began to utilize them. The bout was stopped 1:07 to the first round.  The win also earned McGregor his first”Knockout of the Night” award. 
McGregor was anticipated to confront Andy Ogle on 17 August 2013 at UFC Fight Night 26, but Ogle pulled out of this bout citing an injury and was replaced by Max Holloway.  McGregor bewildered Holloway with his unusual boxing strategy, and his incorporation of a huge array of taekwondo kicks, many of which aren’t utilized in MMA to some substantial level. McGregor managed to restrain the striking range by using long, non-committal low side kicks to Holloway’s knee and shin, and initiate mixes by jumping with bike and switch kicks. When the battle was brought into the ground, McGregor maintained top control, performing various positional improvements, and mitigating his competitor’s exemptions 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 showed 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 trauma 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 out of this bout citing a thumb injury and has been replaced by Diego Brand??o.  McGregor fought Brand??o facing a loud, rowdy crowd of 9,500 in The O2 in his hometown of Dublin, Ireland. McGregor began the fight with a touch spinning side kick, before finding his range and successfully landing assorted taekwondo kicks, and left hand counters. Brand??o, a Brazilian Jiu-Jitsu black buckle, tried to instigate two takedowns, so he could make use of his grappling pedigree, but both attempts were averted by McGregor. Nonetheless, a lot of the struggle was spent on ground, as McGregor attained a takedown 1:20 into the bout. After the fight returned to the feet in the next minute, McGregor began to use his left hand crossover, and began to cut 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 officially halted by Faith Leon Roberts at 4:05 of the very first round. The win earned McGregor his first”Performance of the Night” award. 
Prior to his next bout, McGregor met with Lorenzo Fertitta and signed a new multi-fight contract with the UFC. McGregor next confronted Dustin Poirier on 27 September 2014 at 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 with the pre-fight press conference, alongside the initially scheduled headliners Jon Jones and Daniel Cormier.  Part of the expectancy stemmed from the challenge that the match-up posed: Poirier was McGregor’s first competitor ranked in the UFC’s top ten featherweights.  Despite McGregor landing 9 significant strikes to Poirier’s 10, he was able to secure a success early in the first round, by pushing Poirier on his back foot, before bursting with a left hook supporting Poirier’s ear, forcing referee Herb Dean to measure in. The finish officially came at 1:46 to the first round.  This marked Poirier’s first UFC reduction via KO/TKO, also earned McGregor his second straight”Performance of the Night” award.  From the post-fight interview with commentator Joe Rogan, McGregor cited the UFC Featherweight Championship as his next target in the organisation, stating 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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