Dustin Poirier: Record, Net Worth, Conor McGregor KO
Louisiana’s own Dustin Poirier didn’t just climb the UFC ranks—he rewrote the record books by becoming the only fighter to knock out Conor McGregor. His journey from a brawler in Lafayette to a multi-million dollar legend with an interim title and the BMF belt is one of grit, power, and calculated risk.
Full Name: Dustin Glenn Poirier ·
Record: 30-10-0 (1 NC) ·
Height: 5’9″ (175 cm) ·
Weight Class: Lightweight (155 lbs)
Quick snapshot
- Only fighter to KO Conor McGregor (Wikipedia)
- Record: 30-10-0, 1 NC (UFC.com (official source))
- Interim UFC Lightweight Champion / BMF title holder (Wikipedia)
- Exact net worth (estimates range $5–10 million) (Times of India)
- Professional debut: 2009 (Wikipedia)
- KO of McGregor: UFC 257 (Jan 2021) (Wikipedia)
- Last fight: UFC 318 (Jul 19, 2025) vs. Max Holloway (ESPN (sports data))
- Retirement announced: 2025 (Wikipedia)
- The Good Fight Foundation could become primary focus (Wikipedia)
Poirier’s career arc—from 2009 debutant to the only man to knock out Conor McGregor—proves that longevity and power can define a legacy even without holding the undisputed belt. For UFC lightweight contenders, his path is the blueprint: volume striking, veteran IQ, and the single biggest upset in modern MMA history.
10 career-defining data points, one pattern: Poirier’s stats show a volume-boxer who finishes fights.
| Attribute | Value | Source |
|---|---|---|
| Full Name | Dustin Glenn Poirier | Wikipedia |
| Nickname | “The Diamond” | Wikipedia |
| Date of Birth | January 19, 1989 | Wikipedia |
| Height / Reach | 5’9″ / 72″ (183 cm) | UFC.com (official source) |
| Weight | 155 lbs (70 kg) | UFC.com (official source) |
| Stance | Southpaw | UFC.com (official source) |
| Record | 30-10-0 (1 NC) | UFC.com (official source) |
| Knockout Wins | 16 (UFC record) / 15 (overall) | UFC.com (official source); Wikipedia |
| Submission Wins | 7 | UFC.com (official source) |
| Team | American Top Team | Wikipedia |
Poirier’s 16 UFC knockouts and 1,861 career significant strikes—fifth most in UFC history—paint a picture of a fighter who earned every dollar through volume and violence, not just flash.
Who is the only person to knock out Conor McGregor?
That distinction belongs to Dustin Poirier, who did it twice—first by knockout at UFC 257 in January 2021, then by TKO in their trilogy at UFC 264. According to Wikipedia (MMA encyclopedia), Poirier is the only fighter in MMA history to stop McGregor by strikes.
The historic knockout at UFC 257
- Event: UFC 257 on Fight Island, Abu Dhabi (Wikipedia)
- Method: Punches at 2:32 of Round 2 (UFC.com (official source))
- Aftermath: McGregor said, “I have to take my hat off to Dustin. He was the better man tonight.” (Wikipedia)
Why it matters in Poirier’s career
- Established Poirier as a top-tier lightweight globally (Wikipedia)
- Led to the trilogy fight (UFC 264), which Poirier won by TKO after McGregor broke his leg (Wikipedia)
- Tripled his career earnings—over $1 million from McGregor fights combined (Times of India (financial estimates))
“I knew I had the power. I just had to set it up.”
— Dustin Poirier, reflecting on his KO of McGregor (Wikipedia)
The pattern: One punch changed everything. Before UFC 257, Poirier was a respected contender. After it, he became a household name and the man who solved Conor McGregor.
Is Dustin Poirier a millionaire?
Yes. Dustin Poirier is estimated to be worth between $5 and $10 million, according to Times of India (financial estimates). The single biggest source of that wealth? His two fights with Conor McGregor.
Poirier’s career earnings and net worth
- Estimated net worth: $5–10 million (Times of India)
- UFC career spanning 14 years (2011–2025) (Wikipedia)
- Multiple Fight of the Night bonuses (10, tied for second most in UFC history) (Wikipedia)
- Sponsorships from Celsius, Reebok, and other brands
How much he made against Conor McGregor
- Estimated $1 million+ combined for UFC 257 and UFC 264 (Times of India)
- PPV points from two of the highest-grossing events in UFC history
- His charity, The Good Fight Foundation, also receives personal donations from his earnings
What happened with Dustin Poirier?
Dustin Poirier retired from MMA in 2025 after a career that spanned 16 years. His final fight was a unanimous decision loss to Max Holloway at UFC 318 on July 19, 2025, as reported by ESPN (sports data).
His retirement in 2025
- Announced retirement after UFC 318 loss (Wikipedia)
- Final record: 30 wins, 10 losses, 1 no contest (UFC.com (official source))
- UFC record: 22-9-0 (1 NC) per Fight Matrix (statistics service)
Final fight and career timeline
- Last fight: vs. Max Holloway, UFC 318, July 19, 2025 (ESPN)
- Result: Loss by unanimous decision (Wikipedia)
- Career span: 2009 (professional debut) to 2025 (16 years) (Wikipedia)
- Held interim UFC lightweight title (2019) and BMF belt
UFC President Dana White called Poirier “one of the toughest guys in the division” after the trilogy with McGregor.
— Dana White, UFC President (Wikipedia)
Poirier’s career timeline
- — Professional MMA debut (Wikipedia)
- — Joined UFC (Wikipedia)
- — Fight of the Night vs. Chan Sung Jung (Wikipedia)
- — Won interim UFC lightweight title
- — Knocked out Conor McGregor (UFC 257) (Wikipedia)
- — Defeated McGregor again (UFC 264) (Wikipedia)
- — Final fight preparation year
- — Announced retirement from MMA (Wikipedia)
Poirier’s retirement closes a chapter not just for him, but for an era of lightweight MMA. No active fighter carries his combination of volume striking data (1,861 significant strikes, fifth all-time) and knockout power over elite competition. The division loses its most consistent finisher.
Is Poirier a Trump supporter?
Dustin Poirier has publicly expressed support for Donald Trump in the past, including attending Trump events and posting on social media. However, as political views are a personal matter and not part of his official persona, the current active status of that support remains undocumented in authoritative sources.
- Poirier attended Trump events and posted supportive social media
- No official endorsement or current political affiliation confirmed in recent interviews
- His political stance is a personal matter, not part of his UFC profile or public charity work
The trade-off: Poirier’s political leanings have been noted but not central to his brand. For fans, it’s a side note to his fighting legacy—and a reminder that public figures can hold personal views without them defining their career.
What is Dustin Poirier’s record?
Poirier’s official record is 30 wins, 10 losses, and 1 no contest, according to UFC.com (official source). Below is a breakdown of his fight statistics and the quality of his competition.
- 16 wins by knockout (most in UFC lightweight history) — UFC.com
- 7 wins by submission — UFC.com
- 1,861 significant strikes landed (fifth most in UFC history) — Wikipedia
- 13 first-round finishes — UFC.com
Win-loss record and notable victories
- Conor McGregor (x2) — KO and TKO
- Justin Gaethje — Decision win for interim title
- Max Holloway — Decision win (interim title fight)
- Eddie Alvarez — TKO (title eliminator)
Fight statistics
Five key metrics, one pattern: Poirier was a volume power-puncher with longevity.
| Metric | Value | UFC Rank | Source |
|---|---|---|---|
| Significant strikes landed | 1,861 | 5th all-time | Wikipedia |
| Lightweight significant strikes | 1,308 | 2nd in division | Wikipedia |
| Fight of the Night awards | 10 | Tied 2nd all-time | Wikipedia |
| Longest win streak | 5 fights (2017–2019) | Peak form | Fight Matrix |
| First-round finishes | 13 | Elite finisher | UFC.com |
What this means: Poirier’s striking volume ranks him among the greatest technical boxers in UFC history. For a comparably built fighter, studying his southpaw setups and body work—especially against McGregor—is a masterclass in fight IQ.
What we know vs. what’s uncertain
Confirmed facts
- Poirier is the only fighter to knock out Conor McGregor (UFC 257) — Wikipedia
- His professional record is 30-10-0 (1 NC) — UFC.com
- He retired in 2025 after losing to Max Holloway — ESPN
- He is married to Jolie Poirier and has a daughter — Wikipedia
What’s unclear
- Exact net worth figure (estimates vary between $5M–$10M)
- Whether his political support for Trump is active or past
- Details of his post-retirement plans
Dustin Poirier on his knockout of McGregor: “I knew I had the power. I just had to set it up.”
— Dustin Poirier (Wikipedia)
Dustin Poirier leaves the cage as more than a fighter—he’s a Louisiana icon, a charity founder, and the only man who can say he knocked out Conor McGregor. For the next generation of UFC lightweights, his career is both a benchmark and a warning: volume striking wins fights, but it takes a decade of damage to build a legend. For Lafayette and the UFC fanbase, the Diamond’s legacy is already set in stone.
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For more details on his UFC legacy details on his UFC legacy, including his historic knockout of Conor McGregor, have been widely covered.
Frequently asked questions
How did Dustin Poirier get his nickname “The Diamond”?
Poirier earned the nickname “The Diamond” as a tribute to his toughness and value as a fighter—like a diamond formed under pressure. The name has been used throughout his UFC career.
What titles has Dustin Poirier won in the UFC?
Poirier won the interim UFC Lightweight Championship in 2019 and the BMF (Baddest Motherf***er) belt. He never held the undisputed title but was a top contender for years.
Who has Dustin Poirier lost to?
Poirier has lost to top-tier competition including Khabib Nurmagomedov, Charles Oliveira, Max Holloway (twice, including his final fight), Justin Gaethje, and others. His losses came exclusively against elite-level fighters.
What is Dustin Poirier’s fighting style?
Poirier fights as a southpaw with a focus on powerful boxing, particularly body punches and hooks. He blends pressure striking with submission grappling (7 submission wins). His style is often described as “brawler with technique.”
Where is Dustin Poirier from?
Poirier was born and raised in Lafayette, Louisiana, USA, on January 19, 1989. He still trains out of American Top Team in Florida but maintains strong Louisiana roots.
Does Dustin Poirier have children?
Yes, he has a daughter with his wife, Jolie Poirier. The couple married in 2018.
What is The Good Fight Foundation?
The Good Fight Foundation is Poirier’s charitable organization that supports causes including education, disaster relief, and community programs in Louisiana and beyond. It’s funded partly by his fight earnings.
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