Who wins?

Interim title vs Chad Mendes (2015) vs 13-second KO of José Aldo (2015)

13-second KO of José Aldo (2015) wins 88% to 12%. 27 more put them in the same row. From Conor McGregor's Greatest Moments Tier List. Pick a side.

liz.k3729 on Interim title vs Chad Mendes (2015): most electric card in UFC history

ryan_s389 on 13-second KO of José Aldo (2015): Two years of build up, one left hand. Aldo was unbeaten in a decade and it was over before i sat down.

Conor McGregor's Greatest Moments Tier List: the full ranking

More matchups

• Interim title vs Chad Mendes (2015) vs Snatching Aldo's belt in Dublin (2015)
• Interim title vs Chad Mendes (2015) vs Beating Nate Diaz in the rematch (2016)
• Interim title vs Chad Mendes (2015) vs Fighting Floyd Mayweather (2017)
• 13-second KO of José Aldo (2015) vs Becoming double champ vs Eddie Alvarez (2016)
• 13-second KO of José Aldo (2015) vs Snatching Aldo's belt in Dublin (2015)