Dustin Poirier

At 35 years old, Dustin Poirier has this physical status:

Poirier turned professional in 2009, quickly compiled a record of 7–0, competing mostly in regional promotions across his native Louisiana and the Southern United States. Glimpses of Poirier's early MMA career in Louisiana is depicted in the documentary Fightville.

Poirier lost a unanimous decision to Danny Castillo in his WEC debut on August 18, 2010, at WEC 50.

Poirier defeated Zach Micklewright via first-round TKO on November 11, 2010, at WEC 52.

In October 2010, World Extreme Cagefighting merged with the Ultimate Fighting Championship. As part of the merger, all WEC fighters were transferred to the UFC.

After the UFC/WEC merger, newly crowned UFC Featherweight Champion José Aldo was set to make his first defense against No. 1 contender Josh Grispi at UFC 125. Aldo then had to withdraw from the bout due to a back injury on November 23, 2010. Poirier agreed to step in and face Grispi at the event on January 1, 2011. Poirier won the fight by unanimous decision.

Poirier was expected to face Rani Yahya on June 11, 2011, at UFC 131. However, Yahya was forced from the bout with an injury, and he was replaced by promotional newcomer, Jason Young. Poirier defeated Young via unanimous decision after three rounds.

Poirier faced Pablo Garza on November 12, 2011, at UFC on Fox 1. Poirier defeated Garza via second round D'arce choke.

Poirier was expected to face Erik Koch on February 4, 2012, at UFC 143. However, Koch pulled out of the bout, citing an injury, and he was replaced by Ricardo Lamas. Then, just two weeks later, Lamas had to withdraw from the fight with an injury, leaving Poirier again without an opponent. A week later, Max Holloway agreed to step in to fight Poirier. Poirier defeated Holloway in the first round, with a triangle-armbar from the mount position, earning a Submission of the Night bonus.

Poirier faced Chan Sung Jung on May 15, 2012, in the main event at UFC on Fuel TV: Korean Zombie vs. Poirier. This was the first time Poirier has been put on the main event. Jung defeated Poirier via submission (D'arce Choke) in the fourth round. The performance earned both participants Fight of the Night honors. The bout was honored as Fight of the Year by several publications at the conclusion of 2012.

Poirier defeated Jonathan Brookins on December 15, 2012, at The Ultimate Fighter 16 Finale via D'arce Choke.

Poirier quickly returned to action, taking his second fight within 63 days as he stepped in as a replacement for an injured Dennis Siver. Poirier faced Cub Swanson in the co-main event on February 16, 2013, at UFC on Fuel TV: Barão vs. McDonald. During the fight, both fighters landed punches which appeared to hurt the other. Poirier scored leg kicks and double leg takedowns. Swanson retaliated with head kicks and submission attempts. Poirier lost the fight via unanimous decision (29-28, 30–27, 30–27).

Poirier faced Erik Koch on August 31, 2013, at UFC 164. Poirier hurt Koch with punches throughout the fight, knocking him down with a punch near the end of round 1 and nearly finishing the fight, he ended up winning the bout via unanimous decision. After the win, Poirier wanted a rematch with Cub Swanson. He told reporter Ariel Helwani that Swanson must "be a man".

Poirier faced Diego Brandão on December 28, 2013, at UFC 168. He won the fight via knockout in the first round.

Poirier faced Akira Corassani at The Ultimate Fighter Nations Finale. He won the fight via TKO in the second round. The win also earned Poirier his second Fight of the Night bonus award.

Poirier faced Conor McGregor on September 27, 2014, at UFC 178. He lost the fight by TKO in the first round. This was the first time Poirier was stopped by strikes. After the match, Poirier said "I always saw it as a plus but the Conor McGregor fight was the turning point. I remember I was backstage getting ready to walk out and I saw him and he threw this smile and pointed at me. I don’t know why but it really got to me, man. It really messed with my head."

After the loss, Poirier transferred up a weight class to the Lightweight division. Poirier said that it was because weight cuts are distracting him from training. He also claimed that he would never go back to featherweight nor move up to welterweight. "This is the division (lightweight) I'm going to win the belt at," said Poirier in an interview.

Poirier faced Carlos Diego Ferreira in a lightweight bout on April 4, 2015, at UFC Fight Night 63. He won the fight via knockout in the first round. The win also earned Poirier his first Performance of the Night bonus award and a disclosed pay of $118,000, the highest disclosed pay received by Poirier at the time.

Poirier faced Yancy Medeiros on June 6, 2015, at UFC Fight Night 68. He won the fight via TKO in the first round, after dropping Medeiros twice with punches. The win also earned Poirier his second Performance of the Night bonus award.

Poirier was expected to face Joseph Duffy on October 24, 2015, at UFC Fight Night 76. However, Duffy pulled out of the fight on October 21, three days prior to the event, after sustaining a concussion during a sparring session. In turn, the pairing was rescheduled and took place on January 2, 2016, at UFC 195. Poirier won the fight by unanimous decision. After the bout, Poirier was hospitalized for a broken nose. He had a lay off for six weeks due to the injury.

Poirier next faced Bobby Green on June 4, 2016, at UFC 199. He won the fight via knockout in the first round. Poirier received a disclosed pay of $110,000, the second highest disclosed pay received by Poirier in his career at that point.

Poirier faced Michael Johnson in his second main-event bout on September 17, 2016, at UFC Fight Night 94. Poirier lost the fight via first-round knockout.

Poirier challenged Jim Miller on February 11, 2017, at UFC 208. Poirier punched Miller against the fence, which appeared to hurt Miller. In return, Miller repeatedly kicked Poirier's legs. Later on, Miller swept Poirier onto the mat and failed a kimura attempt. Poirier won the back-and-forth fight via majority decision. The win also earned Poirier $50,000 and his third Fight of the Night bonus award. Due to injuries sustained during the fight, Poirier was suspended indefinitely.

After the suspension, Poirier fought Eddie Alvarez on May 13, 2017, at UFC 211. Poirier rocked Alvarez in the second round but was subsequently dropped when Alvarez landed two illegal knees while Poirier was against the fence. With the Texas commission not operating under the new unified rules, referee Herb Dean declared the fight a No Contest as he did not believe Alvarez knew Poirier was a grounded opponent at the time.

Poirier faced Anthony Pettis on November 11, 2017, at UFC Fight Night 120. He won the fight via TKO after Pettis tapped out due to a broken rib when Poirier applied a body triangle in the third round. This fight also won him the Fight of the Night bonus award.

After the Pettis fight, Poirier signed a new contract with UFC although he had three fights remaining in his previous contract. Poirier faced Justin Gaethje on April 14, 2018, at UFC on Fox 29. He won the fight via TKO in the fourth round. This fight earned him the Fight of the Night bonus award.

Poirier faced Eddie Alvarez in a rematch on July 28, 2018, in the main event at UFC on Fox 30. He won the fight via TKO in the second round. This win earned him the Performance of the Night award.

On August 3, 2018, it was announced that Poirier had agreed to fight Nate Diaz on November 3, 2018, in Madison Square Garden. The bout was expected to be the co-headliner of UFC 230. However, on October 10, 2018, it was announced that Poirier pulled out due to a hip injury and as a result the bout was cancelled.

Poirier faced UFC Featherweight Champion Max Holloway for the Interim UFC Lightweight Championship on April 13, 2019, at UFC 236. He won the back-and-forth fight by unanimous decision to earn the title and breaking Holloway's thirteen fight win-streak. This fight earned him the Fight of the Night award, his fourth consecutive performance bonus.

Poirier faced the undefeated and undisputed UFC Lightweight Champion Khabib Nurmagomedov on September 7, 2019, in a title unification bout at UFC 242. He lost the bout via rear-naked choke submission in the third round.

Poirier faced Dan Hooker on June 27, 2020, at UFC on ESPN: Poirier vs. Hooker. He won the exciting back-and-forth fight by unanimous decision. This fight earned him his seventh Fight of the Night award. The bout was widely considered one of the greatest fights of the year and was a contender for multiple awards.

As the first bout of his new contract, Poirier faced Conor McGregor in a rematch of their 2014 bout at UFC 257 on January 24, 2021. He won the fight via technical knockout in the second round, becoming the first person to defeat McGregor by knockout. This win earned him the Performance of the Night award.

Poirier faced McGregor for the third time on July 10, 2021, at UFC 264. Poirier won the fight in round one via technical knockout after the ringside doctor stopped the bout due to McGregor suffering a broken tibia, rendering him unable to continue.

Poirier faced Charles Oliveira for the UFC Lightweight Championship on December 11, 2021 at UFC 269. He lost the fight via a standing rear-naked choke submission in the third round.

Poirier is scheduled to face Michael Chandler on November 12, 2022, at at UFC 281.

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