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?

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.