How many first-round knockouts does Conor McGregor have in MMA?

UFC megastar Conor McGregor is known as one of MMA's finest knockout artists. Fans and fellow professionals see the Irishman as an explosive fighter who has better odds at victory early in the fight.

Unsurprisingly, 'Notorious' holds an unreal 14 first-round knockouts in his illustrious mixed martial arts resume. Furthermore, two of the four MMA championship wins for the Dubliner have come via first-round knockout finishes.

Additionally, the 34-year-old once racked up three back-to-back first-round finishes in 2011. In his 2011 Immortal Fighting Championship 4 fight, it took the Irishman just four seconds to put his opponent Paddy Doherty's lights out.

Conor McGregor also holds five first-round knockouts in his UFC career. In his UFC 194 featherweight title fight against former pound-for-pound No.1 fighter Jose Aldo, it took 'Notorious' just 13 seconds to knock out the legendary Brazilian.

Watch McGregor's 13-second knockout of Jose Aldo below:

The Irish fighter is also the UFC's first-ever simultaneous two-division champion, having once held the featherweight and lightweight titles.

McGregor currently holds a pro-mixed martial arts record of 22 wins and six losses. He has been out of action since sustaining a leg injury during his trilogy fight against Dustin Poirier at UFC 264 in 2021.

'Notorious' is expected to make his highly anticipated UFC return sometime in 2023.

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Has Conor McGregor suffered a first-round knockout loss?

Conor McGregor does have a first-round TKO loss on his resume. However, the fighter was not knocked out, at least not conventionally, during this particular loss.

The Irishman broke his lower left tibia, commonly known as the shin bone, at the end of the first round of his trilogy fight against arch-rival Dustin Poirier at UFC 264.

Watch how McGregor broke his leg below:

Since McGregor was unable to continue the fight, the bout was ultimately declared a first-round TKO win for 'The Diamond'.

Poirier was also the one to give the Dubliner the first knockout loss of his career when he stopped McGregor in the second round of their UFC 257 fight.

The majority of the Irishman's MMA losses have come via submission. The 34-year-old has been submitted four times in his mixed martial arts career.