Conor McGregor has six losses against five opponents on his MMA record. For a list of McGregor's best fights, refer to "Best fights of Conor McGregor".
On July 10, 2021 Conor McGregor faced off against Dustin Poirier in a welterweight bout at age 32. He was coming in with a record of 22-6 (20), and Poirier was 32 years old and with a record of 27-6 (20). McGregor lost the fight via 1st-round TKO.
On January 24, 2021 Conor McGregor faced off against Dustin Poirier in a welterweight bout at age 32. He was coming in with a record of 22-5 (20), and Poirier was 32 years old and with a record of 26-6 (19). McGregor lost the fight via 2nd-round TKO.
On October 6, 2018 Conor McGregor fought Khabib Nurmagomedov in a lightweight title fight for Nurmagomedov's UFC Championship title. McGregor was 30 years old and with a record of 21-4 (19), and Nurmagomedov was 30 years old and with a record of 26-0 (16). McGregor lost the fight via 4th-round submission.
On March 5, 2016 Conor McGregor faced off against Nate Diaz in a welterweight bout at age 27. He was coming in with a record of 19-3 (18), and Diaz was 30 years old and with a record of 18-10 (14). McGregor lost the fight via 2nd-round submission.
On November 27, 2010 Conor McGregor faced off against Joseph Duffy in a featherweight bout at age 22. He was coming in with a record of 4-2 (4), and Duffy was 22 years old and with a record of 6-0 (6). McGregor lost the fight via 1st-round submission.
On June 28, 2008 Conor McGregor faced off against Artemij Sitenkov in a featherweight bout at age 19. He was coming in with a record of 2-1 (2). McGregor lost the fight via 1st-round submission.
