# What is Conor McGregor's most iconic UFC fight?

> Lightning-fast knockouts, brutal wars that went the distance, stunning upsets, and crossover spectacles — his career contains some of combat sports' most unforgettable moments. Which fight defined him most?

*By YPB Team · Published May 22, 2026 · https://youpick.best/ranking/what-is-conor-mcgregors-most-iconic-ufc-fight*

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## Current results (no votes yet)

1. **vs. Jose Aldo**
   McGregor ended Aldo's legendary 10-year unbeaten run in just 13 seconds at UFC 194, the fastest finish in UFC title fight history.
2. **vs. Khabib Nurmagomedov**
   The highest-selling UFC PPV ever at UFC 229 with 2.4 million buys, ending in McGregor's submission loss and a historic post-fight brawl.
3. **vs. Nate Diaz II**
   An epic rematch at UFC 202 where McGregor avenged his first career loss in a bloody five-round war that became the highest-grossing PPV of that era.
4. **vs. Eddie Alvarez**
   McGregor made history at UFC 205 in Madison Square Garden by becoming the first simultaneous two-division UFC champion with a dominant second-round TKO.
5. **vs. Floyd Mayweather**
   The combat sports crossover event of the decade in 2017, where McGregor entered a boxing ring against the undefeated legend and lasted 10 rounds before a TKO loss.
6. **vs. Nate Diaz I**
   A shocking upset at UFC 196 where Diaz submitted McGregor in round two, marking the first UFC loss of his career in a welterweight bout.
7. **vs. Donald Cerrone**
   A dominant 40-second TKO return at UFC 246 in 2020, where McGregor showcased his full striking arsenal in one of his most explosive performances.
8. **vs. Chad Mendes**
   McGregor overcame adversity against a late-notice wrestling specialist at UFC 189 to claim the interim featherweight title with a second-round TKO.
9. **vs. Dustin Poirier I**
   A devastating first-round KO at 1:46 in 2014 showcased McGregor's elite left hand and precision striking power at featherweight.
10. **vs. Dustin Poirier II**
   A stunning upset at UFC 257 in 2021 where Poirier knocked McGregor out in the second round, reversing the result of their 2014 meeting.
11. **vs. Max Holloway (2013)**
   McGregor's composed dominant decision victory over the future featherweight champion in only his second UFC fight, hinting at elite potential.
12. **vs. Marcus Brimage**
   McGregor's explosive UFC debut in 2013 saw him finish Brimage in just 67 seconds with a stunning display of striking power and precision.

Tags: sports, ufc, fighting, mma, conor mcgregor